From d3c2044dda56f353b5a9fe6ba20ba1c6722ddbcb Mon Sep 17 00:00:00 2001
From: burak <busul@gams.com>
Date: Mon, 11 Sep 2023 23:31:17 +0200
Subject: [PATCH 1/3] introduce strict mode

---
 streaming_form_data/_parser.c   | 2366 ++++++++++++++++++-------------
 streaming_form_data/_parser.pyx |   19 +-
 streaming_form_data/parser.py   |   15 +-
 3 files changed, 1395 insertions(+), 1005 deletions(-)

diff --git a/streaming_form_data/_parser.c b/streaming_form_data/_parser.c
index 57721446..beae94fc 100644
--- a/streaming_form_data/_parser.c
+++ b/streaming_form_data/_parser.c
@@ -982,9 +982,9 @@ enum __pyx_t_19streaming_form_data_7_parser_FinderState {
   __pyx_e_19streaming_form_data_7_parser_FS_END
 };
 
-/* "streaming_form_data/_parser.pyx":27
- * # 200..299: problems with delimiting multipart stream into parts
+/* "streaming_form_data/_parser.pyx":28
  * # 300..399: problems with parsing particular part headers
+ * # 400..499: problems with unregistered parts
  * cpdef enum ErrorGroup:             # <<<<<<<<<<<<<<
  *     Internal = 100
  *     Delimiting = 200
@@ -992,10 +992,11 @@ enum __pyx_t_19streaming_form_data_7_parser_FinderState {
 enum __pyx_t_19streaming_form_data_7_parser_ErrorGroup {
   __pyx_e_19streaming_form_data_7_parser_Internal = 0x64,
   __pyx_e_19streaming_form_data_7_parser_Delimiting = 0xC8,
-  __pyx_e_19streaming_form_data_7_parser_PartHeaders = 0x12C
+  __pyx_e_19streaming_form_data_7_parser_PartHeaders = 0x12C,
+  __pyx_e_19streaming_form_data_7_parser_UnregisteredPart = 0x190
 };
 
-/* "streaming_form_data/_parser.pyx":125
+/* "streaming_form_data/_parser.pyx":127
  * 
  * 
  * cdef enum ParserState:             # <<<<<<<<<<<<<<
@@ -1017,7 +1018,7 @@ enum __pyx_t_19streaming_form_data_7_parser_ParserState {
   __pyx_e_19streaming_form_data_7_parser_PS_ERROR
 };
 
-/* "streaming_form_data/_parser.pyx":33
+/* "streaming_form_data/_parser.pyx":35
  * 
  * 
  * cdef class Finder:             # <<<<<<<<<<<<<<
@@ -1035,7 +1036,7 @@ struct __pyx_obj_19streaming_form_data_7_parser_Finder {
 };
 
 
-/* "streaming_form_data/_parser.pyx":90
+/* "streaming_form_data/_parser.pyx":92
  * 
  * 
  * cdef class Part:             # <<<<<<<<<<<<<<
@@ -1049,7 +1050,7 @@ struct __pyx_obj_19streaming_form_data_7_parser_Part {
 };
 
 
-/* "streaming_form_data/_parser.pyx":145
+/* "streaming_form_data/_parser.pyx":147
  * 
  * 
  * cdef class _Parser:             # <<<<<<<<<<<<<<
@@ -1068,6 +1069,8 @@ struct __pyx_obj_19streaming_form_data_7_parser__Parser {
   PyObject *active_part;
   PyObject *default_part;
   PyObject *_leftover_buffer;
+  int strict;
+  PyObject *unknown_part;
 };
 
 
@@ -1084,7 +1087,7 @@ struct __pyx_obj___Pyx_EnumMeta {
 
 
 
-/* "streaming_form_data/_parser.pyx":33
+/* "streaming_form_data/_parser.pyx":35
  * 
  * 
  * cdef class Finder:             # <<<<<<<<<<<<<<
@@ -1103,7 +1106,7 @@ struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder {
 static struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *__pyx_vtabptr_19streaming_form_data_7_parser_Finder;
 
 
-/* "streaming_form_data/_parser.pyx":145
+/* "streaming_form_data/_parser.pyx":147
  * 
  * 
  * cdef class _Parser:             # <<<<<<<<<<<<<<
@@ -1759,7 +1762,8 @@ int __pyx_module_is_main_streaming_form_data___parser = 0;
 /* Implementation of 'streaming_form_data._parser' */
 static PyObject *__pyx_builtin_ValueError;
 static const char __pyx_k_v[] = "v";
-static const char __pyx_k__2[] = "\r\n";
+static const char __pyx_k__2[] = "";
+static const char __pyx_k__3[] = "\r\n";
 static const char __pyx_k_cls[] = "cls";
 static const char __pyx_k_dct[] = "dct";
 static const char __pyx_k_doc[] = "__doc__";
@@ -1801,6 +1805,7 @@ static const char __pyx_k_params[] = "params";
 static const char __pyx_k_pickle[] = "pickle";
 static const char __pyx_k_policy[] = "policy";
 static const char __pyx_k_reduce[] = "__reduce__";
+static const char __pyx_k_strict[] = "strict";
 static const char __pyx_k_target[] = "target";
 static const char __pyx_k_update[] = "update";
 static const char __pyx_k_values[] = "values";
@@ -1848,6 +1853,7 @@ static const char __pyx_k_reduce_cython[] = "__reduce_cython__";
 static const char __pyx_k_pyx_PickleError[] = "__pyx_PickleError";
 static const char __pyx_k_set_active_part[] = "set_active_part";
 static const char __pyx_k_setstate_cython[] = "__setstate_cython__";
+static const char __pyx_k_UnregisteredPart[] = "UnregisteredPart";
 static const char __pyx_k_get_content_type[] = "get_content_type";
 static const char __pyx_k_pyx_unpickle_Part[] = "__pyx_unpickle_Part";
 static const char __pyx_k_unset_active_part[] = "unset_active_part";
@@ -1870,7 +1876,7 @@ static const char __pyx_k_streaming_form_data__parser[] = "streaming_form_data._
 static const char __pyx_k_streaming_form_data_targets[] = "streaming_form_data.targets";
 static const char __pyx_k_Incompatible_checksums_0x_x_vs_0[] = "Incompatible checksums (0x%x vs (0x0cd0b9a, 0x0855a7d, 0x0c6065b) = (index, state, target, target_len, target_ptr))";
 static const char __pyx_k_Incompatible_checksums_0x_x_vs_0_2[] = "Incompatible checksums (0x%x vs (0xec97593, 0x73c2615, 0x0c26682) = (name, targets))";
-static const char __pyx_k_Incompatible_checksums_0x_x_vs_0_3[] = "Incompatible checksums (0x%x vs (0xd909166, 0x83155f2, 0x0cb8e23) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state))";
+static const char __pyx_k_Incompatible_checksums_0x_x_vs_0_3[] = "Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))";
 static const char __pyx_k_Incompatible_checksums_0x_x_vs_0_4[] = "Incompatible checksums (0x%x vs (0xd41d8cd, 0xe3b0c44, 0xda39a3e) = ())";
 static PyObject *__pyx_n_s_Delimiting;
 static PyObject *__pyx_kp_u_Empty_values_not_allowed;
@@ -1897,8 +1903,10 @@ static PyObject *__pyx_n_s_Pyx_EnumBase___new;
 static PyObject *__pyx_n_s_Pyx_EnumBase___repr;
 static PyObject *__pyx_n_s_Pyx_EnumBase___str;
 static PyObject *__pyx_kp_s_Unknown_enum_value_s;
+static PyObject *__pyx_n_s_UnregisteredPart;
 static PyObject *__pyx_n_s_ValueError;
-static PyObject *__pyx_kp_b__2;
+static PyObject *__pyx_kp_u__2;
+static PyObject *__pyx_kp_b__3;
 static PyObject *__pyx_n_s_active;
 static PyObject *__pyx_n_s_add_target;
 static PyObject *__pyx_n_s_append;
@@ -1980,6 +1988,7 @@ static PyObject *__pyx_n_s_start;
 static PyObject *__pyx_n_s_str;
 static PyObject *__pyx_n_s_streaming_form_data__parser;
 static PyObject *__pyx_n_s_streaming_form_data_targets;
+static PyObject *__pyx_n_s_strict;
 static PyObject *__pyx_kp_s_stringsource;
 static PyObject *__pyx_n_s_target;
 static PyObject *__pyx_n_s_test;
@@ -2008,13 +2017,16 @@ static int __pyx_pf_19streaming_form_data_7_parser_4Part_4name_2__set__(struct _
 static int __pyx_pf_19streaming_form_data_7_parser_4Part_4name_4__del__(struct __pyx_obj_19streaming_form_data_7_parser_Part *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_4Part_14__reduce_cython__(struct __pyx_obj_19streaming_form_data_7_parser_Part *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_4Part_16__setstate_cython__(struct __pyx_obj_19streaming_form_data_7_parser_Part *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */
-static int __pyx_pf_19streaming_form_data_7_parser_7_Parser___init__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_delimiter, PyObject *__pyx_v_ender); /* proto */
+static int __pyx_pf_19streaming_form_data_7_parser_7_Parser___init__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_delimiter, PyObject *__pyx_v_ender, int __pyx_v_strict); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_2register(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_name, PyObject *__pyx_v_target); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_4set_active_part(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_part, PyObject *__pyx_v_filename); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_6unset_active_part(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_8on_body(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_10data_received(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_data); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_chunk, size_t __pyx_v_index); /* proto */
+static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12unknown_part___get__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self); /* proto */
+static int __pyx_pf_19streaming_form_data_7_parser_7_Parser_12unknown_part_2__set__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_19streaming_form_data_7_parser_7_Parser_12unknown_part_4__del__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_14__reduce_cython__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_16__setstate_cython__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser___pyx_unpickle_Finder(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state); /* proto */
@@ -2037,38 +2049,38 @@ static PyObject *__pyx_int_0;
 static PyObject *__pyx_int_8739453;
 static PyObject *__pyx_int_12740226;
 static PyObject *__pyx_int_12977755;
-static PyObject *__pyx_int_13340195;
 static PyObject *__pyx_int_13437850;
+static PyObject *__pyx_int_65286094;
 static PyObject *__pyx_int_121382421;
-static PyObject *__pyx_int_137450994;
+static PyObject *__pyx_int_132205208;
+static PyObject *__pyx_int_213341515;
 static PyObject *__pyx_int_222419149;
-static PyObject *__pyx_int_227578214;
 static PyObject *__pyx_int_228825662;
 static PyObject *__pyx_int_238750788;
 static PyObject *__pyx_int_248083859;
 static PyObject *__pyx_tuple_;
-static PyObject *__pyx_tuple__3;
 static PyObject *__pyx_tuple__4;
 static PyObject *__pyx_tuple__5;
 static PyObject *__pyx_tuple__6;
 static PyObject *__pyx_tuple__7;
-static PyObject *__pyx_tuple__9;
-static PyObject *__pyx_tuple__11;
-static PyObject *__pyx_tuple__13;
-static PyObject *__pyx_tuple__15;
+static PyObject *__pyx_tuple__8;
+static PyObject *__pyx_tuple__10;
+static PyObject *__pyx_tuple__12;
+static PyObject *__pyx_tuple__14;
 static PyObject *__pyx_tuple__16;
-static PyObject *__pyx_tuple__18;
-static PyObject *__pyx_tuple__20;
-static PyObject *__pyx_codeobj__8;
-static PyObject *__pyx_codeobj__10;
-static PyObject *__pyx_codeobj__12;
-static PyObject *__pyx_codeobj__14;
-static PyObject *__pyx_codeobj__17;
-static PyObject *__pyx_codeobj__19;
-static PyObject *__pyx_codeobj__21;
+static PyObject *__pyx_tuple__17;
+static PyObject *__pyx_tuple__19;
+static PyObject *__pyx_tuple__21;
+static PyObject *__pyx_codeobj__9;
+static PyObject *__pyx_codeobj__11;
+static PyObject *__pyx_codeobj__13;
+static PyObject *__pyx_codeobj__15;
+static PyObject *__pyx_codeobj__18;
+static PyObject *__pyx_codeobj__20;
+static PyObject *__pyx_codeobj__22;
 /* Late includes */
 
-/* "streaming_form_data/_parser.pyx":39
+/* "streaming_form_data/_parser.pyx":41
  *     cdef FinderState state
  * 
  *     def __init__(self, target):             # <<<<<<<<<<<<<<
@@ -2105,7 +2117,7 @@ static int __pyx_pw_19streaming_form_data_7_parser_6Finder_1__init__(PyObject *_
         else goto __pyx_L5_argtuple_error;
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__init__") < 0)) __PYX_ERR(0, 39, __pyx_L3_error)
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__init__") < 0)) __PYX_ERR(0, 41, __pyx_L3_error)
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 1) {
       goto __pyx_L5_argtuple_error;
@@ -2116,7 +2128,7 @@ static int __pyx_pw_19streaming_form_data_7_parser_6Finder_1__init__(PyObject *_
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__init__", 1, 1, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 39, __pyx_L3_error)
+  __Pyx_RaiseArgtupleInvalid("__init__", 1, 1, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 41, __pyx_L3_error)
   __pyx_L3_error:;
   __Pyx_AddTraceback("streaming_form_data._parser.Finder.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
@@ -2141,31 +2153,31 @@ static int __pyx_pf_19streaming_form_data_7_parser_6Finder___init__(struct __pyx
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__init__", 0);
 
-  /* "streaming_form_data/_parser.pyx":40
+  /* "streaming_form_data/_parser.pyx":42
  * 
  *     def __init__(self, target):
  *         if len(target) < 1:             # <<<<<<<<<<<<<<
  *             raise ValueError('Empty values not allowed')
  * 
  */
-  __pyx_t_1 = PyObject_Length(__pyx_v_target); if (unlikely(__pyx_t_1 == ((Py_ssize_t)-1))) __PYX_ERR(0, 40, __pyx_L1_error)
+  __pyx_t_1 = PyObject_Length(__pyx_v_target); if (unlikely(__pyx_t_1 == ((Py_ssize_t)-1))) __PYX_ERR(0, 42, __pyx_L1_error)
   __pyx_t_2 = ((__pyx_t_1 < 1) != 0);
   if (unlikely(__pyx_t_2)) {
 
-    /* "streaming_form_data/_parser.pyx":41
+    /* "streaming_form_data/_parser.pyx":43
  *     def __init__(self, target):
  *         if len(target) < 1:
  *             raise ValueError('Empty values not allowed')             # <<<<<<<<<<<<<<
  * 
  *         self.target = target
  */
-    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple_, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 41, __pyx_L1_error)
+    __pyx_t_3 = __Pyx_PyObject_Call(__pyx_builtin_ValueError, __pyx_tuple_, NULL); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 43, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_3);
     __Pyx_Raise(__pyx_t_3, 0, 0, 0);
     __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
-    __PYX_ERR(0, 41, __pyx_L1_error)
+    __PYX_ERR(0, 43, __pyx_L1_error)
 
-    /* "streaming_form_data/_parser.pyx":40
+    /* "streaming_form_data/_parser.pyx":42
  * 
  *     def __init__(self, target):
  *         if len(target) < 1:             # <<<<<<<<<<<<<<
@@ -2174,14 +2186,14 @@ static int __pyx_pf_19streaming_form_data_7_parser_6Finder___init__(struct __pyx
  */
   }
 
-  /* "streaming_form_data/_parser.pyx":43
+  /* "streaming_form_data/_parser.pyx":45
  *             raise ValueError('Empty values not allowed')
  * 
  *         self.target = target             # <<<<<<<<<<<<<<
  *         self.target_ptr = self.target
  *         self.target_len = len(self.target)
  */
-  if (!(likely(PyBytes_CheckExact(__pyx_v_target))||((__pyx_v_target) == Py_None)||((void)PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "bytes", Py_TYPE(__pyx_v_target)->tp_name), 0))) __PYX_ERR(0, 43, __pyx_L1_error)
+  if (!(likely(PyBytes_CheckExact(__pyx_v_target))||((__pyx_v_target) == Py_None)||((void)PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "bytes", Py_TYPE(__pyx_v_target)->tp_name), 0))) __PYX_ERR(0, 45, __pyx_L1_error)
   __pyx_t_3 = __pyx_v_target;
   __Pyx_INCREF(__pyx_t_3);
   __Pyx_GIVEREF(__pyx_t_3);
@@ -2190,7 +2202,7 @@ static int __pyx_pf_19streaming_form_data_7_parser_6Finder___init__(struct __pyx
   __pyx_v_self->target = ((PyObject*)__pyx_t_3);
   __pyx_t_3 = 0;
 
-  /* "streaming_form_data/_parser.pyx":44
+  /* "streaming_form_data/_parser.pyx":46
  * 
  *         self.target = target
  *         self.target_ptr = self.target             # <<<<<<<<<<<<<<
@@ -2199,12 +2211,12 @@ static int __pyx_pf_19streaming_form_data_7_parser_6Finder___init__(struct __pyx
  */
   if (unlikely(__pyx_v_self->target == Py_None)) {
     PyErr_SetString(PyExc_TypeError, "expected bytes, NoneType found");
-    __PYX_ERR(0, 44, __pyx_L1_error)
+    __PYX_ERR(0, 46, __pyx_L1_error)
   }
-  __pyx_t_4 = __Pyx_PyBytes_AsUString(__pyx_v_self->target); if (unlikely((!__pyx_t_4) && PyErr_Occurred())) __PYX_ERR(0, 44, __pyx_L1_error)
+  __pyx_t_4 = __Pyx_PyBytes_AsUString(__pyx_v_self->target); if (unlikely((!__pyx_t_4) && PyErr_Occurred())) __PYX_ERR(0, 46, __pyx_L1_error)
   __pyx_v_self->target_ptr = __pyx_t_4;
 
-  /* "streaming_form_data/_parser.pyx":45
+  /* "streaming_form_data/_parser.pyx":47
  *         self.target = target
  *         self.target_ptr = self.target
  *         self.target_len = len(self.target)             # <<<<<<<<<<<<<<
@@ -2215,13 +2227,13 @@ static int __pyx_pf_19streaming_form_data_7_parser_6Finder___init__(struct __pyx
   __Pyx_INCREF(__pyx_t_3);
   if (unlikely(__pyx_t_3 == Py_None)) {
     PyErr_SetString(PyExc_TypeError, "object of type 'NoneType' has no len()");
-    __PYX_ERR(0, 45, __pyx_L1_error)
+    __PYX_ERR(0, 47, __pyx_L1_error)
   }
-  __pyx_t_1 = PyBytes_GET_SIZE(__pyx_t_3); if (unlikely(__pyx_t_1 == ((Py_ssize_t)-1))) __PYX_ERR(0, 45, __pyx_L1_error)
+  __pyx_t_1 = PyBytes_GET_SIZE(__pyx_t_3); if (unlikely(__pyx_t_1 == ((Py_ssize_t)-1))) __PYX_ERR(0, 47, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
   __pyx_v_self->target_len = __pyx_t_1;
 
-  /* "streaming_form_data/_parser.pyx":46
+  /* "streaming_form_data/_parser.pyx":48
  *         self.target_ptr = self.target
  *         self.target_len = len(self.target)
  *         self.index = 0             # <<<<<<<<<<<<<<
@@ -2230,7 +2242,7 @@ static int __pyx_pf_19streaming_form_data_7_parser_6Finder___init__(struct __pyx
  */
   __pyx_v_self->index = 0;
 
-  /* "streaming_form_data/_parser.pyx":47
+  /* "streaming_form_data/_parser.pyx":49
  *         self.target_len = len(self.target)
  *         self.index = 0
  *         self.state = FinderState.FS_START             # <<<<<<<<<<<<<<
@@ -2239,7 +2251,7 @@ static int __pyx_pf_19streaming_form_data_7_parser_6Finder___init__(struct __pyx
  */
   __pyx_v_self->state = __pyx_e_19streaming_form_data_7_parser_FS_START;
 
-  /* "streaming_form_data/_parser.pyx":39
+  /* "streaming_form_data/_parser.pyx":41
  *     cdef FinderState state
  * 
  *     def __init__(self, target):             # <<<<<<<<<<<<<<
@@ -2259,7 +2271,7 @@ static int __pyx_pf_19streaming_form_data_7_parser_6Finder___init__(struct __pyx
   return __pyx_r;
 }
 
-/* "streaming_form_data/_parser.pyx":49
+/* "streaming_form_data/_parser.pyx":51
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  * 
  *     cpdef feed(self, Byte byte):             # <<<<<<<<<<<<<<
@@ -2290,11 +2302,11 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
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+      __pyx_t_1 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_feed); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 51, __pyx_L1_error)
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+        __pyx_t_3 = __Pyx_PyInt_From_unsigned_char(__pyx_v_byte); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 51, __pyx_L1_error)
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@@ -2310,7 +2322,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
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-        if (unlikely(!__pyx_t_2)) __PYX_ERR(0, 49, __pyx_L1_error)
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@@ -2331,7 +2343,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
     #endif
   }
 
-  /* "streaming_form_data/_parser.pyx":50
+  /* "streaming_form_data/_parser.pyx":52
  * 
  *     cpdef feed(self, Byte byte):
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@@ -2341,7 +2353,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
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   if (__pyx_t_6) {
 
-    /* "streaming_form_data/_parser.pyx":51
+    /* "streaming_form_data/_parser.pyx":53
  *     cpdef feed(self, Byte byte):
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@@ -2351,7 +2363,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
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-      /* "streaming_form_data/_parser.pyx":52
+      /* "streaming_form_data/_parser.pyx":54
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-      /* "streaming_form_data/_parser.pyx":53
+      /* "streaming_form_data/_parser.pyx":55
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       __pyx_v_self->index = 0;
 
-      /* "streaming_form_data/_parser.pyx":59
+      /* "streaming_form_data/_parser.pyx":61
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  *                 if byte == self.target_ptr[0]:             # <<<<<<<<<<<<<<
@@ -2379,7 +2391,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
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       if (__pyx_t_6) {
 
-        /* "streaming_form_data/_parser.pyx":60
+        /* "streaming_form_data/_parser.pyx":62
  *                 # has no \r\n in the middle)
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@@ -2388,7 +2400,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
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         __pyx_v_self->state = __pyx_e_19streaming_form_data_7_parser_FS_WORKING;
 
-        /* "streaming_form_data/_parser.pyx":61
+        /* "streaming_form_data/_parser.pyx":63
  *                 if byte == self.target_ptr[0]:
  *                     self.state = FinderState.FS_WORKING
  *                     self.index = 1             # <<<<<<<<<<<<<<
@@ -2397,7 +2409,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
  */
         __pyx_v_self->index = 1;
 
-        /* "streaming_form_data/_parser.pyx":59
+        /* "streaming_form_data/_parser.pyx":61
  *                 # delimiters (length at least 5 bytes, starting with \r\n and
  *                 # has no \r\n in the middle)
  *                 if byte == self.target_ptr[0]:             # <<<<<<<<<<<<<<
@@ -2406,7 +2418,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
  */
       }
 
-      /* "streaming_form_data/_parser.pyx":51
+      /* "streaming_form_data/_parser.pyx":53
  *     cpdef feed(self, Byte byte):
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@@ -2415,7 +2427,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
  */
     }
 
-    /* "streaming_form_data/_parser.pyx":50
+    /* "streaming_form_data/_parser.pyx":52
  * 
  *     cpdef feed(self, Byte byte):
  *         if byte != self.target_ptr[self.index]:             # <<<<<<<<<<<<<<
@@ -2425,7 +2437,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
     goto __pyx_L3;
   }
 
-  /* "streaming_form_data/_parser.pyx":63
+  /* "streaming_form_data/_parser.pyx":65
  *                     self.index = 1
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  *             self.state = FinderState.FS_WORKING             # <<<<<<<<<<<<<<
@@ -2435,7 +2447,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
   /*else*/ {
     __pyx_v_self->state = __pyx_e_19streaming_form_data_7_parser_FS_WORKING;
 
-    /* "streaming_form_data/_parser.pyx":64
+    /* "streaming_form_data/_parser.pyx":66
  *         else:
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  *             self.index += 1             # <<<<<<<<<<<<<<
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-    /* "streaming_form_data/_parser.pyx":66
+    /* "streaming_form_data/_parser.pyx":68
  *             self.index += 1
  * 
  *             if self.index == self.target_len:             # <<<<<<<<<<<<<<
@@ -2454,7 +2466,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
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     if (__pyx_t_6) {
 
-      /* "streaming_form_data/_parser.pyx":67
+      /* "streaming_form_data/_parser.pyx":69
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  *             if self.index == self.target_len:
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-      /* "streaming_form_data/_parser.pyx":66
+      /* "streaming_form_data/_parser.pyx":68
  *             self.index += 1
  * 
  *             if self.index == self.target_len:             # <<<<<<<<<<<<<<
@@ -2474,7 +2486,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser_6Finder_feed(struct __py
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-  /* "streaming_form_data/_parser.pyx":49
+  /* "streaming_form_data/_parser.pyx":51
  *         self.state = FinderState.FS_START
  * 
  *     cpdef feed(self, Byte byte):             # <<<<<<<<<<<<<<
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+  __pyx_t_1 = __pyx_f_19streaming_form_data_7_parser_6Finder_feed(__pyx_v_self, __pyx_v_byte, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(0, 51, __pyx_L1_error)
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@@ -2551,7 +2563,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_6Finder_2feed(struct __
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 }
 
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+/* "streaming_form_data/_parser.pyx":71
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-  /* "streaming_form_data/_parser.pyx":70
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-  /* "streaming_form_data/_parser.pyx":71
+  /* "streaming_form_data/_parser.pyx":73
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   __pyx_v_self->index = 0;
 
-  /* "streaming_form_data/_parser.pyx":69
+  /* "streaming_form_data/_parser.pyx":71
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  *     cdef reset(self):             # <<<<<<<<<<<<<<
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-  /* "streaming_form_data/_parser.pyx":75
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@@ -2635,7 +2647,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_6Finder_6target___get__
   __pyx_r = __pyx_v_self->target;
   goto __pyx_L0;
 
-  /* "streaming_form_data/_parser.pyx":74
+  /* "streaming_form_data/_parser.pyx":76
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  *     @property
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   return __pyx_r;
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+/* "streaming_form_data/_parser.pyx":79
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  *     cpdef bint inactive(self):             # <<<<<<<<<<<<<<
@@ -2680,7 +2692,7 @@ static int __pyx_f_19streaming_form_data_7_parser_6Finder_inactive(struct __pyx_
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@@ -2718,7 +2730,7 @@ static int __pyx_f_19streaming_form_data_7_parser_6Finder_inactive(struct __pyx_
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@@ -2856,7 +2868,7 @@ static int __pyx_f_19streaming_form_data_7_parser_6Finder_active(struct __pyx_ob
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     __pyx_v_byte = (__pyx_v_chunk_ptr[__pyx_v_idx]);
 
-    /* "streaming_form_data/_parser.pyx":230
+    /* "streaming_form_data/_parser.pyx":238
  *             byte = chunk_ptr[idx]
  * 
  *             if self.state == ParserState.PS_START:             # <<<<<<<<<<<<<<
@@ -6061,7 +6106,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
     switch (__pyx_v_self->state) {
       case __pyx_e_19streaming_form_data_7_parser_PS_START:
 
-      /* "streaming_form_data/_parser.pyx":231
+      /* "streaming_form_data/_parser.pyx":239
  * 
  *             if self.state == ParserState.PS_START:
  *                 if byte == c_hyphen:             # <<<<<<<<<<<<<<
@@ -6071,7 +6116,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       __pyx_t_3 = ((__pyx_v_byte == __pyx_v_19streaming_form_data_7_parser_c_hyphen) != 0);
       if (__pyx_t_3) {
 
-        /* "streaming_form_data/_parser.pyx":232
+        /* "streaming_form_data/_parser.pyx":240
  *             if self.state == ParserState.PS_START:
  *                 if byte == c_hyphen:
  *                     buffer_start = idx             # <<<<<<<<<<<<<<
@@ -6080,7 +6125,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
         __pyx_v_buffer_start = __pyx_v_idx;
 
-        /* "streaming_form_data/_parser.pyx":233
+        /* "streaming_form_data/_parser.pyx":241
  *                 if byte == c_hyphen:
  *                     buffer_start = idx
  *                     self.state = ParserState.PS_STARTING_BOUNDARY             # <<<<<<<<<<<<<<
@@ -6089,7 +6134,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
         __pyx_v_self->state = __pyx_e_19streaming_form_data_7_parser_PS_STARTING_BOUNDARY;
 
-        /* "streaming_form_data/_parser.pyx":231
+        /* "streaming_form_data/_parser.pyx":239
  * 
  *             if self.state == ParserState.PS_START:
  *                 if byte == c_hyphen:             # <<<<<<<<<<<<<<
@@ -6099,7 +6144,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
         goto __pyx_L5;
       }
 
-      /* "streaming_form_data/_parser.pyx":234
+      /* "streaming_form_data/_parser.pyx":242
  *                     buffer_start = idx
  *                     self.state = ParserState.PS_STARTING_BOUNDARY
  *                 elif byte == c_cr:             # <<<<<<<<<<<<<<
@@ -6109,7 +6154,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       __pyx_t_3 = ((__pyx_v_byte == __pyx_v_19streaming_form_data_7_parser_c_cr) != 0);
       if (__pyx_t_3) {
 
-        /* "streaming_form_data/_parser.pyx":235
+        /* "streaming_form_data/_parser.pyx":243
  *                     self.state = ParserState.PS_STARTING_BOUNDARY
  *                 elif byte == c_cr:
  *                     self.state = ParserState.PS_START_CR             # <<<<<<<<<<<<<<
@@ -6118,7 +6163,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
         __pyx_v_self->state = __pyx_e_19streaming_form_data_7_parser_PS_START_CR;
 
-        /* "streaming_form_data/_parser.pyx":234
+        /* "streaming_form_data/_parser.pyx":242
  *                     buffer_start = idx
  *                     self.state = ParserState.PS_STARTING_BOUNDARY
  *                 elif byte == c_cr:             # <<<<<<<<<<<<<<
@@ -6128,7 +6173,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
         goto __pyx_L5;
       }
 
-      /* "streaming_form_data/_parser.pyx":237
+      /* "streaming_form_data/_parser.pyx":245
  *                     self.state = ParserState.PS_START_CR
  *                 else:
  *                     self.mark_error()             # <<<<<<<<<<<<<<
@@ -6136,11 +6181,11 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  * 
  */
       /*else*/ {
-        __pyx_t_4 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 237, __pyx_L1_error)
+        __pyx_t_4 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 245, __pyx_L1_error)
         __Pyx_GOTREF(__pyx_t_4);
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-        /* "streaming_form_data/_parser.pyx":238
+        /* "streaming_form_data/_parser.pyx":246
  *                 else:
  *                     self.mark_error()
  *                     return ErrorGroup.Delimiting + 1             # <<<<<<<<<<<<<<
@@ -6148,7 +6193,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  *             elif self.state == ParserState.PS_START_CR:
  */
         __Pyx_XDECREF(__pyx_r);
-        __pyx_t_4 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Delimiting + 1)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 238, __pyx_L1_error)
+        __pyx_t_4 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Delimiting + 1)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 246, __pyx_L1_error)
         __Pyx_GOTREF(__pyx_t_4);
         __pyx_r = __pyx_t_4;
         __pyx_t_4 = 0;
@@ -6156,7 +6201,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       }
       __pyx_L5:;
 
-      /* "streaming_form_data/_parser.pyx":230
+      /* "streaming_form_data/_parser.pyx":238
  *             byte = chunk_ptr[idx]
  * 
  *             if self.state == ParserState.PS_START:             # <<<<<<<<<<<<<<
@@ -6166,7 +6211,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       break;
       case __pyx_e_19streaming_form_data_7_parser_PS_START_CR:
 
-      /* "streaming_form_data/_parser.pyx":241
+      /* "streaming_form_data/_parser.pyx":249
  * 
  *             elif self.state == ParserState.PS_START_CR:
  *                 if byte == c_lf:             # <<<<<<<<<<<<<<
@@ -6176,7 +6221,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       __pyx_t_3 = ((__pyx_v_byte == __pyx_v_19streaming_form_data_7_parser_c_lf) != 0);
       if (__pyx_t_3) {
 
-        /* "streaming_form_data/_parser.pyx":242
+        /* "streaming_form_data/_parser.pyx":250
  *             elif self.state == ParserState.PS_START_CR:
  *                 if byte == c_lf:
  *                     self.state = ParserState.PS_START             # <<<<<<<<<<<<<<
@@ -6185,7 +6230,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
         __pyx_v_self->state = __pyx_e_19streaming_form_data_7_parser_PS_START;
 
-        /* "streaming_form_data/_parser.pyx":241
+        /* "streaming_form_data/_parser.pyx":249
  * 
  *             elif self.state == ParserState.PS_START_CR:
  *                 if byte == c_lf:             # <<<<<<<<<<<<<<
@@ -6195,7 +6240,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
         goto __pyx_L6;
       }
 
-      /* "streaming_form_data/_parser.pyx":244
+      /* "streaming_form_data/_parser.pyx":252
  *                     self.state = ParserState.PS_START
  *                 else:
  *                     self.mark_error()             # <<<<<<<<<<<<<<
@@ -6203,11 +6248,11 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  * 
  */
       /*else*/ {
-        __pyx_t_4 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 244, __pyx_L1_error)
+        __pyx_t_4 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 252, __pyx_L1_error)
         __Pyx_GOTREF(__pyx_t_4);
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-        /* "streaming_form_data/_parser.pyx":245
+        /* "streaming_form_data/_parser.pyx":253
  *                 else:
  *                     self.mark_error()
  *                     return ErrorGroup.Delimiting + 4             # <<<<<<<<<<<<<<
@@ -6215,7 +6260,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  *             elif self.state == ParserState.PS_STARTING_BOUNDARY:
  */
         __Pyx_XDECREF(__pyx_r);
-        __pyx_t_4 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Delimiting + 4)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 245, __pyx_L1_error)
+        __pyx_t_4 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Delimiting + 4)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 253, __pyx_L1_error)
         __Pyx_GOTREF(__pyx_t_4);
         __pyx_r = __pyx_t_4;
         __pyx_t_4 = 0;
@@ -6223,7 +6268,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       }
       __pyx_L6:;
 
-      /* "streaming_form_data/_parser.pyx":240
+      /* "streaming_form_data/_parser.pyx":248
  *                     return ErrorGroup.Delimiting + 1
  * 
  *             elif self.state == ParserState.PS_START_CR:             # <<<<<<<<<<<<<<
@@ -6233,7 +6278,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       break;
       case __pyx_e_19streaming_form_data_7_parser_PS_STARTING_BOUNDARY:
 
-      /* "streaming_form_data/_parser.pyx":248
+      /* "streaming_form_data/_parser.pyx":256
  * 
  *             elif self.state == ParserState.PS_STARTING_BOUNDARY:
  *                 if byte != c_hyphen:             # <<<<<<<<<<<<<<
@@ -6243,18 +6288,18 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       __pyx_t_3 = ((__pyx_v_byte != __pyx_v_19streaming_form_data_7_parser_c_hyphen) != 0);
       if (__pyx_t_3) {
 
-        /* "streaming_form_data/_parser.pyx":249
+        /* "streaming_form_data/_parser.pyx":257
  *             elif self.state == ParserState.PS_STARTING_BOUNDARY:
  *                 if byte != c_hyphen:
  *                     self.mark_error()             # <<<<<<<<<<<<<<
  *                     return ErrorGroup.Delimiting + 2
  * 
  */
-        __pyx_t_4 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 249, __pyx_L1_error)
+        __pyx_t_4 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 257, __pyx_L1_error)
         __Pyx_GOTREF(__pyx_t_4);
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-        /* "streaming_form_data/_parser.pyx":250
+        /* "streaming_form_data/_parser.pyx":258
  *                 if byte != c_hyphen:
  *                     self.mark_error()
  *                     return ErrorGroup.Delimiting + 2             # <<<<<<<<<<<<<<
@@ -6262,13 +6307,13 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  *                 self.state = ParserState.PS_READING_BOUNDARY
  */
         __Pyx_XDECREF(__pyx_r);
-        __pyx_t_4 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Delimiting + 2)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 250, __pyx_L1_error)
+        __pyx_t_4 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Delimiting + 2)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 258, __pyx_L1_error)
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         __pyx_r = __pyx_t_4;
         __pyx_t_4 = 0;
         goto __pyx_L0;
 
-        /* "streaming_form_data/_parser.pyx":248
+        /* "streaming_form_data/_parser.pyx":256
  * 
  *             elif self.state == ParserState.PS_STARTING_BOUNDARY:
  *                 if byte != c_hyphen:             # <<<<<<<<<<<<<<
@@ -6277,7 +6322,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
       }
 
-      /* "streaming_form_data/_parser.pyx":252
+      /* "streaming_form_data/_parser.pyx":260
  *                     return ErrorGroup.Delimiting + 2
  * 
  *                 self.state = ParserState.PS_READING_BOUNDARY             # <<<<<<<<<<<<<<
@@ -6286,7 +6331,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
       __pyx_v_self->state = __pyx_e_19streaming_form_data_7_parser_PS_READING_BOUNDARY;
 
-      /* "streaming_form_data/_parser.pyx":247
+      /* "streaming_form_data/_parser.pyx":255
  *                     return ErrorGroup.Delimiting + 4
  * 
  *             elif self.state == ParserState.PS_STARTING_BOUNDARY:             # <<<<<<<<<<<<<<
@@ -6296,7 +6341,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       break;
       case __pyx_e_19streaming_form_data_7_parser_PS_READING_BOUNDARY:
 
-      /* "streaming_form_data/_parser.pyx":254
+      /* "streaming_form_data/_parser.pyx":262
  *                 self.state = ParserState.PS_READING_BOUNDARY
  *             elif self.state == ParserState.PS_READING_BOUNDARY:
  *                 if byte == c_cr:             # <<<<<<<<<<<<<<
@@ -6306,7 +6351,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       __pyx_t_3 = ((__pyx_v_byte == __pyx_v_19streaming_form_data_7_parser_c_cr) != 0);
       if (__pyx_t_3) {
 
-        /* "streaming_form_data/_parser.pyx":255
+        /* "streaming_form_data/_parser.pyx":263
  *             elif self.state == ParserState.PS_READING_BOUNDARY:
  *                 if byte == c_cr:
  *                     self.state = ParserState.PS_ENDING_BOUNDARY             # <<<<<<<<<<<<<<
@@ -6315,7 +6360,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
         __pyx_v_self->state = __pyx_e_19streaming_form_data_7_parser_PS_ENDING_BOUNDARY;
 
-        /* "streaming_form_data/_parser.pyx":254
+        /* "streaming_form_data/_parser.pyx":262
  *                 self.state = ParserState.PS_READING_BOUNDARY
  *             elif self.state == ParserState.PS_READING_BOUNDARY:
  *                 if byte == c_cr:             # <<<<<<<<<<<<<<
@@ -6324,7 +6369,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
       }
 
-      /* "streaming_form_data/_parser.pyx":253
+      /* "streaming_form_data/_parser.pyx":261
  * 
  *                 self.state = ParserState.PS_READING_BOUNDARY
  *             elif self.state == ParserState.PS_READING_BOUNDARY:             # <<<<<<<<<<<<<<
@@ -6334,7 +6379,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       break;
       case __pyx_e_19streaming_form_data_7_parser_PS_ENDING_BOUNDARY:
 
-      /* "streaming_form_data/_parser.pyx":258
+      /* "streaming_form_data/_parser.pyx":266
  * 
  *             elif self.state == ParserState.PS_ENDING_BOUNDARY:
  *                 if byte != c_lf:             # <<<<<<<<<<<<<<
@@ -6344,18 +6389,18 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       __pyx_t_3 = ((__pyx_v_byte != __pyx_v_19streaming_form_data_7_parser_c_lf) != 0);
       if (__pyx_t_3) {
 
-        /* "streaming_form_data/_parser.pyx":259
+        /* "streaming_form_data/_parser.pyx":267
  *             elif self.state == ParserState.PS_ENDING_BOUNDARY:
  *                 if byte != c_lf:
  *                     self.mark_error()             # <<<<<<<<<<<<<<
  *                     return ErrorGroup.Delimiting + 3
  * 
  */
-        __pyx_t_4 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 259, __pyx_L1_error)
+        __pyx_t_4 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 267, __pyx_L1_error)
         __Pyx_GOTREF(__pyx_t_4);
         __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
-        /* "streaming_form_data/_parser.pyx":260
+        /* "streaming_form_data/_parser.pyx":268
  *                 if byte != c_lf:
  *                     self.mark_error()
  *                     return ErrorGroup.Delimiting + 3             # <<<<<<<<<<<<<<
@@ -6363,13 +6408,13 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  *                 # ensure we have read correct starting delimiter
  */
         __Pyx_XDECREF(__pyx_r);
-        __pyx_t_4 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Delimiting + 3)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 260, __pyx_L1_error)
+        __pyx_t_4 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Delimiting + 3)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 268, __pyx_L1_error)
         __Pyx_GOTREF(__pyx_t_4);
         __pyx_r = __pyx_t_4;
         __pyx_t_4 = 0;
         goto __pyx_L0;
 
-        /* "streaming_form_data/_parser.pyx":258
+        /* "streaming_form_data/_parser.pyx":266
  * 
  *             elif self.state == ParserState.PS_ENDING_BOUNDARY:
  *                 if byte != c_lf:             # <<<<<<<<<<<<<<
@@ -6378,7 +6423,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
       }
 
-      /* "streaming_form_data/_parser.pyx":263
+      /* "streaming_form_data/_parser.pyx":271
  * 
  *                 # ensure we have read correct starting delimiter
  *                 if b'\r\n' + chunk[buffer_start: idx + 1] != \             # <<<<<<<<<<<<<<
@@ -6387,25 +6432,25 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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       if (unlikely(__pyx_v_chunk == Py_None)) {
         PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
-        __PYX_ERR(0, 263, __pyx_L1_error)
+        __PYX_ERR(0, 271, __pyx_L1_error)
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-      __pyx_t_4 = PySequence_GetSlice(__pyx_v_chunk, __pyx_v_buffer_start, (__pyx_v_idx + 1)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 263, __pyx_L1_error)
+      __pyx_t_4 = PySequence_GetSlice(__pyx_v_chunk, __pyx_v_buffer_start, (__pyx_v_idx + 1)); if (unlikely(!__pyx_t_4)) __PYX_ERR(0, 271, __pyx_L1_error)
       __Pyx_GOTREF(__pyx_t_4);
-      __pyx_t_5 = PyNumber_Add(__pyx_kp_b__2, __pyx_t_4); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 263, __pyx_L1_error)
+      __pyx_t_5 = PyNumber_Add(__pyx_kp_b__3, __pyx_t_4); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 271, __pyx_L1_error)
       __Pyx_GOTREF(__pyx_t_5);
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-      /* "streaming_form_data/_parser.pyx":264
+      /* "streaming_form_data/_parser.pyx":272
  *                 # ensure we have read correct starting delimiter
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  *                     self.mark_error()
  *                     return ErrorGroup.Delimiting + 5
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-      __pyx_t_3 = (__Pyx_PyBytes_Equals(__pyx_t_5, __pyx_v_self->delimiter_finder->target, Py_NE)); if (unlikely(__pyx_t_3 < 0)) __PYX_ERR(0, 263, __pyx_L1_error)
+      __pyx_t_3 = (__Pyx_PyBytes_Equals(__pyx_t_5, __pyx_v_self->delimiter_finder->target, Py_NE)); if (unlikely(__pyx_t_3 < 0)) __PYX_ERR(0, 271, __pyx_L1_error)
       __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
 
-      /* "streaming_form_data/_parser.pyx":263
+      /* "streaming_form_data/_parser.pyx":271
  * 
  *                 # ensure we have read correct starting delimiter
  *                 if b'\r\n' + chunk[buffer_start: idx + 1] != \             # <<<<<<<<<<<<<<
@@ -6415,18 +6460,18 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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@@ -6600,31 +6645,31 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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-      /* "streaming_form_data/_parser.pyx":282
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-        /* "streaming_form_data/_parser.pyx":283
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@@ -6638,26 +6683,26 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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-        /* "streaming_form_data/_parser.pyx":288
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+        /* "streaming_form_data/_parser.pyx":319
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@@ -6990,7 +7115,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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         __pyx_v_self->state = __pyx_e_19streaming_form_data_7_parser_PS_ENDING_ALL_HEADERS;
 
-        /* "streaming_form_data/_parser.pyx":303
+        /* "streaming_form_data/_parser.pyx":318
  *                 self.state = ParserState.PS_ENDED_HEADER
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  *                 if byte == c_cr:             # <<<<<<<<<<<<<<
@@ -7000,7 +7125,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
         goto __pyx_L19;
       }
 
-      /* "streaming_form_data/_parser.pyx":306
+      /* "streaming_form_data/_parser.pyx":321
  *                     self.state = ParserState.PS_ENDING_ALL_HEADERS
  *                 else:
  *                     self.state = ParserState.PS_READING_HEADER             # <<<<<<<<<<<<<<
@@ -7012,7 +7137,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       }
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-      /* "streaming_form_data/_parser.pyx":302
+      /* "streaming_form_data/_parser.pyx":317
  * 
  *                 self.state = ParserState.PS_ENDED_HEADER
  *             elif self.state == ParserState.PS_ENDED_HEADER:             # <<<<<<<<<<<<<<
@@ -7022,28 +7147,28 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       break;
       case __pyx_e_19streaming_form_data_7_parser_PS_ENDING_ALL_HEADERS:
 
-      /* "streaming_form_data/_parser.pyx":309
+      /* "streaming_form_data/_parser.pyx":324
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  *             elif self.state == ParserState.PS_ENDING_ALL_HEADERS:
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-      __pyx_t_3 = ((__pyx_v_byte != __pyx_v_19streaming_form_data_7_parser_c_lf) != 0);
-      if (__pyx_t_3) {
+      __pyx_t_6 = ((__pyx_v_byte != __pyx_v_19streaming_form_data_7_parser_c_lf) != 0);
+      if (__pyx_t_6) {
 
-        /* "streaming_form_data/_parser.pyx":310
+        /* "streaming_form_data/_parser.pyx":325
  *             elif self.state == ParserState.PS_ENDING_ALL_HEADERS:
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  *                     self.mark_error()             # <<<<<<<<<<<<<<
  *                     return ErrorGroup.PartHeaders + 2
  * 
  */
-        __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 310, __pyx_L1_error)
+        __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 325, __pyx_L1_error)
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-        /* "streaming_form_data/_parser.pyx":311
+        /* "streaming_form_data/_parser.pyx":326
  *                 if byte != c_lf:
  *                     self.mark_error()
  *                     return ErrorGroup.PartHeaders + 2             # <<<<<<<<<<<<<<
@@ -7051,13 +7176,13 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  *                 buffer_start = idx + 1
  */
         __Pyx_XDECREF(__pyx_r);
-        __pyx_t_7 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_PartHeaders + 2)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 311, __pyx_L1_error)
+        __pyx_t_7 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_PartHeaders + 2)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 326, __pyx_L1_error)
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         __pyx_r = __pyx_t_7;
         __pyx_t_7 = 0;
         goto __pyx_L0;
 
-        /* "streaming_form_data/_parser.pyx":309
+        /* "streaming_form_data/_parser.pyx":324
  * 
  *             elif self.state == ParserState.PS_ENDING_ALL_HEADERS:
  *                 if byte != c_lf:             # <<<<<<<<<<<<<<
@@ -7066,7 +7191,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
       }
 
-      /* "streaming_form_data/_parser.pyx":313
+      /* "streaming_form_data/_parser.pyx":328
  *                     return ErrorGroup.PartHeaders + 2
  * 
  *                 buffer_start = idx + 1             # <<<<<<<<<<<<<<
@@ -7075,7 +7200,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
       __pyx_v_buffer_start = (__pyx_v_idx + 1);
 
-      /* "streaming_form_data/_parser.pyx":315
+      /* "streaming_form_data/_parser.pyx":330
  *                 buffer_start = idx + 1
  * 
  *                 self.state = ParserState.PS_READING_BODY             # <<<<<<<<<<<<<<
@@ -7084,7 +7209,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
       __pyx_v_self->state = __pyx_e_19streaming_form_data_7_parser_PS_READING_BODY;
 
-      /* "streaming_form_data/_parser.pyx":308
+      /* "streaming_form_data/_parser.pyx":323
  *                     self.state = ParserState.PS_READING_HEADER
  * 
  *             elif self.state == ParserState.PS_ENDING_ALL_HEADERS:             # <<<<<<<<<<<<<<
@@ -7094,39 +7219,39 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       break;
       case __pyx_e_19streaming_form_data_7_parser_PS_READING_BODY:
 
-      /* "streaming_form_data/_parser.pyx":317
+      /* "streaming_form_data/_parser.pyx":332
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  *                 self.ender_finder.feed(byte)
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-      __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->feed(__pyx_v_self->delimiter_finder, __pyx_v_byte, 0); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 317, __pyx_L1_error)
+      __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->feed(__pyx_v_self->delimiter_finder, __pyx_v_byte, 0); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 332, __pyx_L1_error)
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-      /* "streaming_form_data/_parser.pyx":318
+      /* "streaming_form_data/_parser.pyx":333
  *             elif self.state == ParserState.PS_READING_BODY:
  *                 self.delimiter_finder.feed(byte)
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+      __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->ender_finder->__pyx_vtab)->feed(__pyx_v_self->ender_finder, __pyx_v_byte, 0); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 333, __pyx_L1_error)
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-      /* "streaming_form_data/_parser.pyx":320
+      /* "streaming_form_data/_parser.pyx":335
  *                 self.ender_finder.feed(byte)
  * 
  *                 if self.delimiter_finder.found():             # <<<<<<<<<<<<<<
  *                     self.state = ParserState.PS_READING_HEADER
  * 
  */
-      __pyx_t_3 = (((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->found(__pyx_v_self->delimiter_finder, 0) != 0);
-      if (__pyx_t_3) {
+      __pyx_t_6 = (((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->found(__pyx_v_self->delimiter_finder, 0) != 0);
+      if (__pyx_t_6) {
 
-        /* "streaming_form_data/_parser.pyx":321
+        /* "streaming_form_data/_parser.pyx":336
  * 
  *                 if self.delimiter_finder.found():
  *                     self.state = ParserState.PS_READING_HEADER             # <<<<<<<<<<<<<<
@@ -7135,28 +7260,28 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
         __pyx_v_self->state = __pyx_e_19streaming_form_data_7_parser_PS_READING_HEADER;
 
-        /* "streaming_form_data/_parser.pyx":323
+        /* "streaming_form_data/_parser.pyx":338
  *                     self.state = ParserState.PS_READING_HEADER
  * 
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  *                         self.mark_error()
  *                         return ErrorGroup.Internal + 1
  */
-        __pyx_t_3 = (((__pyx_v_idx + 1) < __pyx_v_self->delimiter_length) != 0);
-        if (__pyx_t_3) {
+        __pyx_t_6 = (((__pyx_v_idx + 1) < __pyx_v_self->delimiter_length) != 0);
+        if (__pyx_t_6) {
 
-          /* "streaming_form_data/_parser.pyx":324
+          /* "streaming_form_data/_parser.pyx":339
  * 
  *                     if idx + 1 < self.delimiter_length:
  *                         self.mark_error()             # <<<<<<<<<<<<<<
  *                         return ErrorGroup.Internal + 1
  * 
  */
-          __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 324, __pyx_L1_error)
+          __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 339, __pyx_L1_error)
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-          /* "streaming_form_data/_parser.pyx":325
+          /* "streaming_form_data/_parser.pyx":340
  *                     if idx + 1 < self.delimiter_length:
  *                         self.mark_error()
  *                         return ErrorGroup.Internal + 1             # <<<<<<<<<<<<<<
@@ -7164,13 +7289,13 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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  */
           __Pyx_XDECREF(__pyx_r);
-          __pyx_t_7 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Internal + 1)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 325, __pyx_L1_error)
+          __pyx_t_7 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Internal + 1)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 340, __pyx_L1_error)
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           goto __pyx_L0;
 
-          /* "streaming_form_data/_parser.pyx":323
+          /* "streaming_form_data/_parser.pyx":338
  *                     self.state = ParserState.PS_READING_HEADER
  * 
  *                     if idx + 1 < self.delimiter_length:             # <<<<<<<<<<<<<<
@@ -7179,7 +7304,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
         }
 
-        /* "streaming_form_data/_parser.pyx":327
+        /* "streaming_form_data/_parser.pyx":342
  *                         return ErrorGroup.Internal + 1
  * 
  *                     match_start = idx + 1 - self.delimiter_length             # <<<<<<<<<<<<<<
@@ -7188,17 +7313,17 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
         __pyx_v_match_start = ((__pyx_v_idx + 1) - __pyx_v_self->delimiter_length);
 
-        /* "streaming_form_data/_parser.pyx":329
+        /* "streaming_form_data/_parser.pyx":344
  *                     match_start = idx + 1 - self.delimiter_length
  * 
  *                     if match_start >= buffer_start:             # <<<<<<<<<<<<<<
  *                         try:
  *                             self.on_body(chunk[buffer_start: match_start])
  */
-        __pyx_t_3 = ((__pyx_v_match_start >= __pyx_v_buffer_start) != 0);
-        if (__pyx_t_3) {
+        __pyx_t_6 = ((__pyx_v_match_start >= __pyx_v_buffer_start) != 0);
+        if (__pyx_t_6) {
 
-          /* "streaming_form_data/_parser.pyx":330
+          /* "streaming_form_data/_parser.pyx":345
  * 
  *                     if match_start >= buffer_start:
  *                         try:             # <<<<<<<<<<<<<<
@@ -7214,20 +7339,20 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
             __Pyx_XGOTREF(__pyx_t_13);
             /*try:*/ {
 
-              /* "streaming_form_data/_parser.pyx":331
+              /* "streaming_form_data/_parser.pyx":346
  *                     if match_start >= buffer_start:
  *                         try:
  *                             self.on_body(chunk[buffer_start: match_start])             # <<<<<<<<<<<<<<
  *                         except Exception:
  *                             self.mark_error()
  */
-              __pyx_t_5 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_on_body); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 331, __pyx_L24_error)
+              __pyx_t_5 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_on_body); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 346, __pyx_L24_error)
               __Pyx_GOTREF(__pyx_t_5);
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                 PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
-                __PYX_ERR(0, 331, __pyx_L24_error)
+                __PYX_ERR(0, 346, __pyx_L24_error)
               }
-              __pyx_t_9 = PySequence_GetSlice(__pyx_v_chunk, __pyx_v_buffer_start, __pyx_v_match_start); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 331, __pyx_L24_error)
+              __pyx_t_9 = PySequence_GetSlice(__pyx_v_chunk, __pyx_v_buffer_start, __pyx_v_match_start); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 346, __pyx_L24_error)
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@@ -7242,12 +7367,12 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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               __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
               __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
-              if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 331, __pyx_L24_error)
+              if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 346, __pyx_L24_error)
               __Pyx_GOTREF(__pyx_t_7);
               __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
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-              /* "streaming_form_data/_parser.pyx":330
+              /* "streaming_form_data/_parser.pyx":345
  * 
  *                     if match_start >= buffer_start:
  *                         try:             # <<<<<<<<<<<<<<
@@ -7266,7 +7391,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
             __Pyx_XDECREF(__pyx_t_8); __pyx_t_8 = 0;
             __Pyx_XDECREF(__pyx_t_9); __pyx_t_9 = 0;
 
-            /* "streaming_form_data/_parser.pyx":332
+            /* "streaming_form_data/_parser.pyx":347
  *                         try:
  *                             self.on_body(chunk[buffer_start: match_start])
  *                         except Exception:             # <<<<<<<<<<<<<<
@@ -7276,23 +7401,23 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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               __Pyx_AddTraceback("streaming_form_data._parser._Parser._parse", __pyx_clineno, __pyx_lineno, __pyx_filename);
-              if (__Pyx_GetException(&__pyx_t_7, &__pyx_t_5, &__pyx_t_9) < 0) __PYX_ERR(0, 332, __pyx_L26_except_error)
+              if (__Pyx_GetException(&__pyx_t_7, &__pyx_t_5, &__pyx_t_9) < 0) __PYX_ERR(0, 347, __pyx_L26_except_error)
               __Pyx_GOTREF(__pyx_t_7);
               __Pyx_GOTREF(__pyx_t_5);
               __Pyx_GOTREF(__pyx_t_9);
 
-              /* "streaming_form_data/_parser.pyx":333
+              /* "streaming_form_data/_parser.pyx":348
  *                             self.on_body(chunk[buffer_start: match_start])
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  *                             self.mark_error()             # <<<<<<<<<<<<<<
  *                             raise
  * 
  */
-              __pyx_t_8 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 333, __pyx_L26_except_error)
+              __pyx_t_8 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 348, __pyx_L26_except_error)
               __Pyx_GOTREF(__pyx_t_8);
               __Pyx_DECREF(__pyx_t_8); __pyx_t_8 = 0;
 
-              /* "streaming_form_data/_parser.pyx":334
+              /* "streaming_form_data/_parser.pyx":349
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  *                             self.mark_error()
  *                             raise             # <<<<<<<<<<<<<<
@@ -7304,12 +7429,12 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
               __Pyx_XGIVEREF(__pyx_t_9);
               __Pyx_ErrRestoreWithState(__pyx_t_7, __pyx_t_5, __pyx_t_9);
               __pyx_t_7 = 0; __pyx_t_5 = 0; __pyx_t_9 = 0; 
-              __PYX_ERR(0, 334, __pyx_L26_except_error)
+              __PYX_ERR(0, 349, __pyx_L26_except_error)
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             __pyx_L26_except_error:;
 
-            /* "streaming_form_data/_parser.pyx":330
+            /* "streaming_form_data/_parser.pyx":345
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  *                     if match_start >= buffer_start:
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@@ -7324,7 +7449,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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           }
 
-          /* "streaming_form_data/_parser.pyx":336
+          /* "streaming_form_data/_parser.pyx":351
  *                             raise
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  *                         buffer_start = idx + 1             # <<<<<<<<<<<<<<
@@ -7333,7 +7458,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
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-          /* "streaming_form_data/_parser.pyx":329
+          /* "streaming_form_data/_parser.pyx":344
  *                     match_start = idx + 1 - self.delimiter_length
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  *                     if match_start >= buffer_start:             # <<<<<<<<<<<<<<
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-        /* "streaming_form_data/_parser.pyx":338
+        /* "streaming_form_data/_parser.pyx":353
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@@ -7351,11 +7476,11 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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+          __pyx_t_9 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 353, __pyx_L1_error)
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           __Pyx_DECREF(__pyx_t_9); __pyx_t_9 = 0;
 
-          /* "streaming_form_data/_parser.pyx":339
+          /* "streaming_form_data/_parser.pyx":354
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-          /* "streaming_form_data/_parser.pyx":347
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-        /* "streaming_form_data/_parser.pyx":352
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-          /* "streaming_form_data/_parser.pyx":353
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@@ -7516,20 +7641,20 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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@@ -7544,12 +7669,12 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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@@ -7568,7 +7693,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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-              /* "streaming_form_data/_parser.pyx":356
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-              /* "streaming_form_data/_parser.pyx":357
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@@ -7606,12 +7731,12 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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-            /* "streaming_form_data/_parser.pyx":353
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-          /* "streaming_form_data/_parser.pyx":352
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-        /* "streaming_form_data/_parser.pyx":359
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-          /* "streaming_form_data/_parser.pyx":360
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-        /* "streaming_form_data/_parser.pyx":362
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-        /* "streaming_form_data/_parser.pyx":364
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+        __pyx_t_5 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_unset_active_part); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 379, __pyx_L1_error)
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@@ -7694,23 +7819,23 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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-        /* "streaming_form_data/_parser.pyx":365
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+        __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->ender_finder->__pyx_vtab)->reset(__pyx_v_self->ender_finder); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 380, __pyx_L1_error)
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-        /* "streaming_form_data/_parser.pyx":344
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-      /* "streaming_form_data/_parser.pyx":373
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-        __pyx_t_3 = (((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->inactive(__pyx_v_self->delimiter_finder, 0) != 0);
-        if (__pyx_t_3) {
+        __pyx_t_6 = (((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->inactive(__pyx_v_self->delimiter_finder, 0) != 0);
+        if (__pyx_t_6) {
 
-          /* "streaming_form_data/_parser.pyx":374
+          /* "streaming_form_data/_parser.pyx":389
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@@ -7740,7 +7865,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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-          /* "streaming_form_data/_parser.pyx":377
+          /* "streaming_form_data/_parser.pyx":392
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@@ -7749,7 +7874,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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           __pyx_v_idx = (__pyx_v_idx + __pyx_v_skip_count);
 
-          /* "streaming_form_data/_parser.pyx":373
+          /* "streaming_form_data/_parser.pyx":388
  *                     # middle of a potential delimiter.
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  *                     if self.delimiter_finder.inactive():             # <<<<<<<<<<<<<<
@@ -7760,7 +7885,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       }
       __pyx_L21:;
 
-      /* "streaming_form_data/_parser.pyx":316
+      /* "streaming_form_data/_parser.pyx":331
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  *                 self.state = ParserState.PS_READING_BODY
  *             elif self.state == ParserState.PS_READING_BODY:             # <<<<<<<<<<<<<<
@@ -7770,7 +7895,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       break;
       case __pyx_e_19streaming_form_data_7_parser_PS_END:
 
-      /* "streaming_form_data/_parser.pyx":380
+      /* "streaming_form_data/_parser.pyx":395
  * 
  *             elif self.state == ParserState.PS_END:
  *                 return 0             # <<<<<<<<<<<<<<
@@ -7782,7 +7907,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       __pyx_r = __pyx_int_0;
       goto __pyx_L0;
 
-      /* "streaming_form_data/_parser.pyx":379
+      /* "streaming_form_data/_parser.pyx":394
  *                         idx += skip_count
  * 
  *             elif self.state == ParserState.PS_END:             # <<<<<<<<<<<<<<
@@ -7792,18 +7917,18 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       break;
       default:
 
-      /* "streaming_form_data/_parser.pyx":382
+      /* "streaming_form_data/_parser.pyx":397
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  *                 return ErrorGroup.Internal + 5
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-      __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 382, __pyx_L1_error)
+      __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 397, __pyx_L1_error)
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-      /* "streaming_form_data/_parser.pyx":383
+      /* "streaming_form_data/_parser.pyx":398
  *             else:
  *                 self.mark_error()
  *                 return ErrorGroup.Internal + 5             # <<<<<<<<<<<<<<
@@ -7811,7 +7936,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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       __Pyx_XDECREF(__pyx_r);
-      __pyx_t_7 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Internal + 5)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 383, __pyx_L1_error)
+      __pyx_t_7 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Internal + 5)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 398, __pyx_L1_error)
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@@ -7819,7 +7944,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
       break;
     }
 
-    /* "streaming_form_data/_parser.pyx":385
+    /* "streaming_form_data/_parser.pyx":400
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@@ -7829,28 +7954,28 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
     __pyx_v_idx = (__pyx_v_idx + 1);
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-  /* "streaming_form_data/_parser.pyx":387
+  /* "streaming_form_data/_parser.pyx":402
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  */
-  __pyx_t_3 = ((__pyx_v_idx != __pyx_v_chunk_len) != 0);
-  if (__pyx_t_3) {
+  __pyx_t_6 = ((__pyx_v_idx != __pyx_v_chunk_len) != 0);
+  if (__pyx_t_6) {
 
-    /* "streaming_form_data/_parser.pyx":388
+    /* "streaming_form_data/_parser.pyx":403
  * 
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  *             return ErrorGroup.Internal + 6
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-    __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 388, __pyx_L1_error)
+    __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 403, __pyx_L1_error)
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-    /* "streaming_form_data/_parser.pyx":389
+    /* "streaming_form_data/_parser.pyx":404
  *         if idx != chunk_len:
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@@ -7858,13 +7983,13 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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     __Pyx_XDECREF(__pyx_r);
-    __pyx_t_7 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Internal + 6)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 389, __pyx_L1_error)
+    __pyx_t_7 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Internal + 6)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 404, __pyx_L1_error)
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-    /* "streaming_form_data/_parser.pyx":387
+    /* "streaming_form_data/_parser.pyx":402
  *             idx += 1
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  *         if idx != chunk_len:             # <<<<<<<<<<<<<<
@@ -7873,28 +7998,28 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
   }
 
-  /* "streaming_form_data/_parser.pyx":391
+  /* "streaming_form_data/_parser.pyx":406
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  *         if buffer_start > chunk_len:             # <<<<<<<<<<<<<<
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-  __pyx_t_3 = ((__pyx_v_buffer_start > __pyx_v_chunk_len) != 0);
-  if (__pyx_t_3) {
+  __pyx_t_6 = ((__pyx_v_buffer_start > __pyx_v_chunk_len) != 0);
+  if (__pyx_t_6) {
 
-    /* "streaming_form_data/_parser.pyx":392
+    /* "streaming_form_data/_parser.pyx":407
  * 
  *         if buffer_start > chunk_len:
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-    __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 392, __pyx_L1_error)
+    __pyx_t_7 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 407, __pyx_L1_error)
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-    /* "streaming_form_data/_parser.pyx":393
+    /* "streaming_form_data/_parser.pyx":408
  *         if buffer_start > chunk_len:
  *             self.mark_error()
  *             return ErrorGroup.Internal + 7             # <<<<<<<<<<<<<<
@@ -7902,13 +8027,13 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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  */
     __Pyx_XDECREF(__pyx_r);
-    __pyx_t_7 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Internal + 7)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 393, __pyx_L1_error)
+    __pyx_t_7 = __Pyx_PyInt_From_long((__pyx_e_19streaming_form_data_7_parser_Internal + 7)); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 408, __pyx_L1_error)
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     goto __pyx_L0;
 
-    /* "streaming_form_data/_parser.pyx":391
+    /* "streaming_form_data/_parser.pyx":406
  *             return ErrorGroup.Internal + 6
  * 
  *         if buffer_start > chunk_len:             # <<<<<<<<<<<<<<
@@ -7917,17 +8042,17 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
   }
 
-  /* "streaming_form_data/_parser.pyx":395
+  /* "streaming_form_data/_parser.pyx":410
  *             return ErrorGroup.Internal + 7
  * 
  *         if self.state == ParserState.PS_READING_BODY:             # <<<<<<<<<<<<<<
  *             matched_length = max(
  *                 self.delimiter_finder.matched_length(),
  */
-  __pyx_t_3 = ((__pyx_v_self->state == __pyx_e_19streaming_form_data_7_parser_PS_READING_BODY) != 0);
-  if (__pyx_t_3) {
+  __pyx_t_6 = ((__pyx_v_self->state == __pyx_e_19streaming_form_data_7_parser_PS_READING_BODY) != 0);
+  if (__pyx_t_6) {
 
-    /* "streaming_form_data/_parser.pyx":398
+    /* "streaming_form_data/_parser.pyx":413
  *             matched_length = max(
  *                 self.delimiter_finder.matched_length(),
  *                 self.ender_finder.matched_length()             # <<<<<<<<<<<<<<
@@ -7936,7 +8061,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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     __pyx_t_14 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->ender_finder->__pyx_vtab)->matched_length(__pyx_v_self->ender_finder);
 
-    /* "streaming_form_data/_parser.pyx":397
+    /* "streaming_form_data/_parser.pyx":412
  *         if self.state == ParserState.PS_READING_BODY:
  *             matched_length = max(
  *                 self.delimiter_finder.matched_length(),             # <<<<<<<<<<<<<<
@@ -7945,7 +8070,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
     __pyx_t_15 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->matched_length(__pyx_v_self->delimiter_finder);
 
-    /* "streaming_form_data/_parser.pyx":398
+    /* "streaming_form_data/_parser.pyx":413
  *             matched_length = max(
  *                 self.delimiter_finder.matched_length(),
  *                 self.ender_finder.matched_length()             # <<<<<<<<<<<<<<
@@ -7959,7 +8084,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
     }
     __pyx_v_matched_length = __pyx_t_16;
 
-    /* "streaming_form_data/_parser.pyx":400
+    /* "streaming_form_data/_parser.pyx":415
  *                 self.ender_finder.matched_length()
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  *             match_start = idx - matched_length             # <<<<<<<<<<<<<<
@@ -7968,17 +8093,17 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
     __pyx_v_match_start = (__pyx_v_idx - __pyx_v_matched_length);
 
-    /* "streaming_form_data/_parser.pyx":402
+    /* "streaming_form_data/_parser.pyx":417
  *             match_start = idx - matched_length
  * 
  *             if match_start >= buffer_start + c_min_file_body_chunk_size:             # <<<<<<<<<<<<<<
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-    __pyx_t_3 = ((__pyx_v_match_start >= (__pyx_v_buffer_start + __pyx_v_19streaming_form_data_7_parser_c_min_file_body_chunk_size)) != 0);
-    if (__pyx_t_3) {
+    __pyx_t_6 = ((__pyx_v_match_start >= (__pyx_v_buffer_start + __pyx_v_19streaming_form_data_7_parser_c_min_file_body_chunk_size)) != 0);
+    if (__pyx_t_6) {
 
-      /* "streaming_form_data/_parser.pyx":403
+      /* "streaming_form_data/_parser.pyx":418
  * 
  *             if match_start >= buffer_start + c_min_file_body_chunk_size:
  *                 try:             # <<<<<<<<<<<<<<
@@ -7994,20 +8119,20 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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         /*try:*/ {
 
-          /* "streaming_form_data/_parser.pyx":404
+          /* "streaming_form_data/_parser.pyx":419
  *             if match_start >= buffer_start + c_min_file_body_chunk_size:
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  *                 except Exception:
  *                     self.mark_error()
  */
-          __pyx_t_5 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_on_body); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 404, __pyx_L51_error)
+          __pyx_t_5 = __Pyx_PyObject_GetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_on_body); if (unlikely(!__pyx_t_5)) __PYX_ERR(0, 419, __pyx_L51_error)
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-          __pyx_t_9 = PySequence_GetSlice(__pyx_v_chunk, __pyx_v_buffer_start, __pyx_v_match_start); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 404, __pyx_L51_error)
+          __pyx_t_9 = PySequence_GetSlice(__pyx_v_chunk, __pyx_v_buffer_start, __pyx_v_match_start); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 419, __pyx_L51_error)
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@@ -8022,12 +8147,12 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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-          if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 404, __pyx_L51_error)
+          if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 419, __pyx_L51_error)
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-          /* "streaming_form_data/_parser.pyx":403
+          /* "streaming_form_data/_parser.pyx":418
  * 
  *             if match_start >= buffer_start + c_min_file_body_chunk_size:
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@@ -8046,7 +8171,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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-        /* "streaming_form_data/_parser.pyx":405
+        /* "streaming_form_data/_parser.pyx":420
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@@ -8056,23 +8181,23 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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-          if (__Pyx_GetException(&__pyx_t_7, &__pyx_t_5, &__pyx_t_9) < 0) __PYX_ERR(0, 405, __pyx_L53_except_error)
+          if (__Pyx_GetException(&__pyx_t_7, &__pyx_t_5, &__pyx_t_9) < 0) __PYX_ERR(0, 420, __pyx_L53_except_error)
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-          /* "streaming_form_data/_parser.pyx":406
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-          __pyx_t_8 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 406, __pyx_L53_except_error)
+          __pyx_t_8 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser__Parser *)__pyx_v_self->__pyx_vtab)->mark_error(__pyx_v_self); if (unlikely(!__pyx_t_8)) __PYX_ERR(0, 421, __pyx_L53_except_error)
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-          /* "streaming_form_data/_parser.pyx":407
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@@ -8084,12 +8209,12 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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-        /* "streaming_form_data/_parser.pyx":403
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@@ -8104,7 +8229,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
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-      /* "streaming_form_data/_parser.pyx":409
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-      /* "streaming_form_data/_parser.pyx":402
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  */
     }
 
-    /* "streaming_form_data/_parser.pyx":395
+    /* "streaming_form_data/_parser.pyx":410
  *             return ErrorGroup.Internal + 7
  * 
  *         if self.state == ParserState.PS_READING_BODY:             # <<<<<<<<<<<<<<
@@ -8131,17 +8256,17 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
   }
 
-  /* "streaming_form_data/_parser.pyx":411
+  /* "streaming_form_data/_parser.pyx":426
  *                 buffer_start = match_start
  * 
  *         if idx - buffer_start > 0:             # <<<<<<<<<<<<<<
  *             self._leftover_buffer = chunk[buffer_start: idx]
  * 
  */
-  __pyx_t_3 = (((__pyx_v_idx - __pyx_v_buffer_start) > 0) != 0);
-  if (__pyx_t_3) {
+  __pyx_t_6 = (((__pyx_v_idx - __pyx_v_buffer_start) > 0) != 0);
+  if (__pyx_t_6) {
 
-    /* "streaming_form_data/_parser.pyx":412
+    /* "streaming_form_data/_parser.pyx":427
  * 
  *         if idx - buffer_start > 0:
  *             self._leftover_buffer = chunk[buffer_start: idx]             # <<<<<<<<<<<<<<
@@ -8150,9 +8275,9 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
     if (unlikely(__pyx_v_chunk == Py_None)) {
       PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
-      __PYX_ERR(0, 412, __pyx_L1_error)
+      __PYX_ERR(0, 427, __pyx_L1_error)
     }
-    __pyx_t_9 = PySequence_GetSlice(__pyx_v_chunk, __pyx_v_buffer_start, __pyx_v_idx); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 412, __pyx_L1_error)
+    __pyx_t_9 = PySequence_GetSlice(__pyx_v_chunk, __pyx_v_buffer_start, __pyx_v_idx); if (unlikely(!__pyx_t_9)) __PYX_ERR(0, 427, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_9);
     __Pyx_GIVEREF(__pyx_t_9);
     __Pyx_GOTREF(__pyx_v_self->_leftover_buffer);
@@ -8160,7 +8285,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
     __pyx_v_self->_leftover_buffer = ((PyObject*)__pyx_t_9);
     __pyx_t_9 = 0;
 
-    /* "streaming_form_data/_parser.pyx":411
+    /* "streaming_form_data/_parser.pyx":426
  *                 buffer_start = match_start
  * 
  *         if idx - buffer_start > 0:             # <<<<<<<<<<<<<<
@@ -8169,7 +8294,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  */
   }
 
-  /* "streaming_form_data/_parser.pyx":414
+  /* "streaming_form_data/_parser.pyx":429
  *             self._leftover_buffer = chunk[buffer_start: idx]
  * 
  *         return 0             # <<<<<<<<<<<<<<
@@ -8181,7 +8306,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
   __pyx_r = __pyx_int_0;
   goto __pyx_L0;
 
-  /* "streaming_form_data/_parser.pyx":216
+  /* "streaming_form_data/_parser.pyx":224
  *         return self._parse(chunk, index)
  * 
  *     def _parse(self, bytes chunk, size_t index):             # <<<<<<<<<<<<<<
@@ -8208,7 +8333,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
   return __pyx_r;
 }
 
-/* "streaming_form_data/_parser.pyx":421
+/* "streaming_form_data/_parser.pyx":436
  *     # update Finder object states.
  * 
  *     cdef size_t rewind_fast_forward(             # <<<<<<<<<<<<<<
@@ -8230,7 +8355,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("rewind_fast_forward", 0);
 
-  /* "streaming_form_data/_parser.pyx":429
+  /* "streaming_form_data/_parser.pyx":444
  * 
  *         # we need at least 4 characters in buffer
  *         if pos_first + 3 > pos_last:             # <<<<<<<<<<<<<<
@@ -8240,7 +8365,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
   __pyx_t_1 = (((__pyx_v_pos_first + 3) > __pyx_v_pos_last) != 0);
   if (__pyx_t_1) {
 
-    /* "streaming_form_data/_parser.pyx":430
+    /* "streaming_form_data/_parser.pyx":445
  *         # we need at least 4 characters in buffer
  *         if pos_first + 3 > pos_last:
  *             return 0             # <<<<<<<<<<<<<<
@@ -8250,7 +8375,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
     __pyx_r = 0;
     goto __pyx_L0;
 
-    /* "streaming_form_data/_parser.pyx":429
+    /* "streaming_form_data/_parser.pyx":444
  * 
  *         # we need at least 4 characters in buffer
  *         if pos_first + 3 > pos_last:             # <<<<<<<<<<<<<<
@@ -8259,7 +8384,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
   }
 
-  /* "streaming_form_data/_parser.pyx":434
+  /* "streaming_form_data/_parser.pyx":449
  *         # calculate pointer to the first character of the buffer and the
  *         # pointer to a character after the end of the buffer
  *         ptr = chunk_ptr + pos_first + 3             # <<<<<<<<<<<<<<
@@ -8268,7 +8393,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
   __pyx_v_ptr = ((__pyx_v_chunk_ptr + __pyx_v_pos_first) + 3);
 
-  /* "streaming_form_data/_parser.pyx":435
+  /* "streaming_form_data/_parser.pyx":450
  *         # pointer to a character after the end of the buffer
  *         ptr = chunk_ptr + pos_first + 3
  *         ptr_end = chunk_ptr + pos_last + 1             # <<<<<<<<<<<<<<
@@ -8277,7 +8402,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
   __pyx_v_ptr_end = ((__pyx_v_chunk_ptr + __pyx_v_pos_last) + 1);
 
-  /* "streaming_form_data/_parser.pyx":436
+  /* "streaming_form_data/_parser.pyx":451
  *         ptr = chunk_ptr + pos_first + 3
  *         ptr_end = chunk_ptr + pos_last + 1
  *         skipped = 0             # <<<<<<<<<<<<<<
@@ -8286,7 +8411,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
   __pyx_v_skipped = 0;
 
-  /* "streaming_form_data/_parser.pyx":443
+  /* "streaming_form_data/_parser.pyx":458
  *         # is found.
  * 
  *         while True:             # <<<<<<<<<<<<<<
@@ -8295,7 +8420,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
   while (1) {
 
-    /* "streaming_form_data/_parser.pyx":444
+    /* "streaming_form_data/_parser.pyx":459
  * 
  *         while True:
  *             if ptr >= ptr_end:             # <<<<<<<<<<<<<<
@@ -8305,7 +8430,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
     __pyx_t_1 = ((__pyx_v_ptr >= __pyx_v_ptr_end) != 0);
     if (__pyx_t_1) {
 
-      /* "streaming_form_data/_parser.pyx":447
+      /* "streaming_form_data/_parser.pyx":462
  *                 # normalize pointer value because we could jump few characters
  *                 # past the buffer end
  *                 ptr = ptr_end - 1             # <<<<<<<<<<<<<<
@@ -8314,7 +8439,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
       __pyx_v_ptr = (__pyx_v_ptr_end - 1);
 
-      /* "streaming_form_data/_parser.pyx":452
+      /* "streaming_form_data/_parser.pyx":467
  *                 # keep up to 3 characters in the buffer until next chunk
  *                 # guess we will skip all characters in the buffer
  *                 skipped = pos_last - pos_first + 1             # <<<<<<<<<<<<<<
@@ -8323,7 +8448,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
       __pyx_v_skipped = ((__pyx_v_pos_last - __pyx_v_pos_first) + 1);
 
-      /* "streaming_form_data/_parser.pyx":454
+      /* "streaming_form_data/_parser.pyx":469
  *                 skipped = pos_last - pos_first + 1
  * 
  *                 if ptr[0] == c_cr:             # <<<<<<<<<<<<<<
@@ -8333,7 +8458,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
       __pyx_t_1 = (((__pyx_v_ptr[0]) == __pyx_v_19streaming_form_data_7_parser_c_cr) != 0);
       if (__pyx_t_1) {
 
-        /* "streaming_form_data/_parser.pyx":455
+        /* "streaming_form_data/_parser.pyx":470
  * 
  *                 if ptr[0] == c_cr:
  *                     skipped = skipped - 1             # <<<<<<<<<<<<<<
@@ -8342,7 +8467,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
         __pyx_v_skipped = (__pyx_v_skipped - 1);
 
-        /* "streaming_form_data/_parser.pyx":454
+        /* "streaming_form_data/_parser.pyx":469
  *                 skipped = pos_last - pos_first + 1
  * 
  *                 if ptr[0] == c_cr:             # <<<<<<<<<<<<<<
@@ -8352,7 +8477,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
         goto __pyx_L7;
       }
 
-      /* "streaming_form_data/_parser.pyx":456
+      /* "streaming_form_data/_parser.pyx":471
  *                 if ptr[0] == c_cr:
  *                     skipped = skipped - 1
  *                 elif ptr[0] == c_lf and ptr[-1] == c_cr:             # <<<<<<<<<<<<<<
@@ -8370,7 +8495,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
       __pyx_L8_bool_binop_done:;
       if (__pyx_t_1) {
 
-        /* "streaming_form_data/_parser.pyx":457
+        /* "streaming_form_data/_parser.pyx":472
  *                     skipped = skipped - 1
  *                 elif ptr[0] == c_lf and ptr[-1] == c_cr:
  *                     skipped = skipped - 2             # <<<<<<<<<<<<<<
@@ -8379,7 +8504,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
         __pyx_v_skipped = (__pyx_v_skipped - 2);
 
-        /* "streaming_form_data/_parser.pyx":456
+        /* "streaming_form_data/_parser.pyx":471
  *                 if ptr[0] == c_cr:
  *                     skipped = skipped - 1
  *                 elif ptr[0] == c_lf and ptr[-1] == c_cr:             # <<<<<<<<<<<<<<
@@ -8389,7 +8514,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
         goto __pyx_L7;
       }
 
-      /* "streaming_form_data/_parser.pyx":459
+      /* "streaming_form_data/_parser.pyx":474
  *                     skipped = skipped - 2
  *                 elif (
  *                     ptr[0] == c_hyphen             # <<<<<<<<<<<<<<
@@ -8403,7 +8528,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
         goto __pyx_L10_bool_binop_done;
       }
 
-      /* "streaming_form_data/_parser.pyx":460
+      /* "streaming_form_data/_parser.pyx":475
  *                 elif (
  *                     ptr[0] == c_hyphen
  *                     and ptr[-1] == c_lf             # <<<<<<<<<<<<<<
@@ -8417,7 +8542,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
         goto __pyx_L10_bool_binop_done;
       }
 
-      /* "streaming_form_data/_parser.pyx":461
+      /* "streaming_form_data/_parser.pyx":476
  *                     ptr[0] == c_hyphen
  *                     and ptr[-1] == c_lf
  *                     and ptr[-2] == c_cr             # <<<<<<<<<<<<<<
@@ -8428,7 +8553,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
       __pyx_t_1 = __pyx_t_2;
       __pyx_L10_bool_binop_done:;
 
-      /* "streaming_form_data/_parser.pyx":458
+      /* "streaming_form_data/_parser.pyx":473
  *                 elif ptr[0] == c_lf and ptr[-1] == c_cr:
  *                     skipped = skipped - 2
  *                 elif (             # <<<<<<<<<<<<<<
@@ -8437,7 +8562,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
       if (__pyx_t_1) {
 
-        /* "streaming_form_data/_parser.pyx":463
+        /* "streaming_form_data/_parser.pyx":478
  *                     and ptr[-2] == c_cr
  *                 ):
  *                     skipped = skipped - 3             # <<<<<<<<<<<<<<
@@ -8446,7 +8571,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
         __pyx_v_skipped = (__pyx_v_skipped - 3);
 
-        /* "streaming_form_data/_parser.pyx":458
+        /* "streaming_form_data/_parser.pyx":473
  *                 elif ptr[0] == c_lf and ptr[-1] == c_cr:
  *                     skipped = skipped - 2
  *                 elif (             # <<<<<<<<<<<<<<
@@ -8456,7 +8581,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
       }
       __pyx_L7:;
 
-      /* "streaming_form_data/_parser.pyx":464
+      /* "streaming_form_data/_parser.pyx":479
  *                 ):
  *                     skipped = skipped - 3
  *                 break             # <<<<<<<<<<<<<<
@@ -8465,7 +8590,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
       goto __pyx_L5_break;
 
-      /* "streaming_form_data/_parser.pyx":444
+      /* "streaming_form_data/_parser.pyx":459
  * 
  *         while True:
  *             if ptr >= ptr_end:             # <<<<<<<<<<<<<<
@@ -8474,7 +8599,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
     }
 
-    /* "streaming_form_data/_parser.pyx":466
+    /* "streaming_form_data/_parser.pyx":481
  *                 break
  * 
  *             if ptr[0] != c_hyphen:             # <<<<<<<<<<<<<<
@@ -8484,7 +8609,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
     __pyx_t_1 = (((__pyx_v_ptr[0]) != __pyx_v_19streaming_form_data_7_parser_c_hyphen) != 0);
     if (__pyx_t_1) {
 
-      /* "streaming_form_data/_parser.pyx":467
+      /* "streaming_form_data/_parser.pyx":482
  * 
  *             if ptr[0] != c_hyphen:
  *                 ptr += 2             # <<<<<<<<<<<<<<
@@ -8493,7 +8618,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
       __pyx_v_ptr = (__pyx_v_ptr + 2);
 
-      /* "streaming_form_data/_parser.pyx":466
+      /* "streaming_form_data/_parser.pyx":481
  *                 break
  * 
  *             if ptr[0] != c_hyphen:             # <<<<<<<<<<<<<<
@@ -8503,7 +8628,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
       goto __pyx_L13;
     }
 
-    /* "streaming_form_data/_parser.pyx":469
+    /* "streaming_form_data/_parser.pyx":484
  *                 ptr += 2
  *             else:
  *                 if ptr[-1] != c_hyphen:             # <<<<<<<<<<<<<<
@@ -8514,7 +8639,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
       __pyx_t_1 = (((__pyx_v_ptr[-1L]) != __pyx_v_19streaming_form_data_7_parser_c_hyphen) != 0);
       if (__pyx_t_1) {
 
-        /* "streaming_form_data/_parser.pyx":470
+        /* "streaming_form_data/_parser.pyx":485
  *             else:
  *                 if ptr[-1] != c_hyphen:
  *                     ptr += 1             # <<<<<<<<<<<<<<
@@ -8523,7 +8648,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
  */
         __pyx_v_ptr = (__pyx_v_ptr + 1);
 
-        /* "streaming_form_data/_parser.pyx":469
+        /* "streaming_form_data/_parser.pyx":484
  *                 ptr += 2
  *             else:
  *                 if ptr[-1] != c_hyphen:             # <<<<<<<<<<<<<<
@@ -8533,7 +8658,7 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
         goto __pyx_L14;
       }
 
-      /* "streaming_form_data/_parser.pyx":472
+      /* "streaming_form_data/_parser.pyx":487
  *                     ptr += 1
  *                 else:
  *                     if ptr[-2] == c_lf and ptr[-3] == c_cr:             # <<<<<<<<<<<<<<
@@ -8552,117 +8677,117 @@ static size_t __pyx_f_19streaming_form_data_7_parser_7_Parser_rewind_fast_forwar
         __pyx_L16_bool_binop_done:;
         if (__pyx_t_1) {
 
-          /* "streaming_form_data/_parser.pyx":473
+          /* "streaming_form_data/_parser.pyx":488
  *                 else:
  *                     if ptr[-2] == c_lf and ptr[-3] == c_cr:
  *                         self.delimiter_finder.reset()             # <<<<<<<<<<<<<<
  *                         self.delimiter_finder.feed(c_cr)
  *                         self.delimiter_finder.feed(c_lf)
  */
-          __pyx_t_3 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->reset(__pyx_v_self->delimiter_finder); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 473, __pyx_L1_error)
+          __pyx_t_3 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->reset(__pyx_v_self->delimiter_finder); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 488, __pyx_L1_error)
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-          /* "streaming_form_data/_parser.pyx":474
+          /* "streaming_form_data/_parser.pyx":489
  *                     if ptr[-2] == c_lf and ptr[-3] == c_cr:
  *                         self.delimiter_finder.reset()
  *                         self.delimiter_finder.feed(c_cr)             # <<<<<<<<<<<<<<
  *                         self.delimiter_finder.feed(c_lf)
  *                         self.delimiter_finder.feed(c_hyphen)
  */
-          __pyx_t_3 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->feed(__pyx_v_self->delimiter_finder, __pyx_v_19streaming_form_data_7_parser_c_cr, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 474, __pyx_L1_error)
+          __pyx_t_3 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->feed(__pyx_v_self->delimiter_finder, __pyx_v_19streaming_form_data_7_parser_c_cr, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 489, __pyx_L1_error)
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-          /* "streaming_form_data/_parser.pyx":475
+          /* "streaming_form_data/_parser.pyx":490
  *                         self.delimiter_finder.reset()
  *                         self.delimiter_finder.feed(c_cr)
  *                         self.delimiter_finder.feed(c_lf)             # <<<<<<<<<<<<<<
  *                         self.delimiter_finder.feed(c_hyphen)
  *                         self.delimiter_finder.feed(c_hyphen)
  */
-          __pyx_t_3 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->feed(__pyx_v_self->delimiter_finder, __pyx_v_19streaming_form_data_7_parser_c_lf, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 475, __pyx_L1_error)
+          __pyx_t_3 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->feed(__pyx_v_self->delimiter_finder, __pyx_v_19streaming_form_data_7_parser_c_lf, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 490, __pyx_L1_error)
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-          /* "streaming_form_data/_parser.pyx":476
+          /* "streaming_form_data/_parser.pyx":491
  *                         self.delimiter_finder.feed(c_cr)
  *                         self.delimiter_finder.feed(c_lf)
  *                         self.delimiter_finder.feed(c_hyphen)             # <<<<<<<<<<<<<<
  *                         self.delimiter_finder.feed(c_hyphen)
  * 
  */
-          __pyx_t_3 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->feed(__pyx_v_self->delimiter_finder, __pyx_v_19streaming_form_data_7_parser_c_hyphen, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 476, __pyx_L1_error)
+          __pyx_t_3 = ((struct __pyx_vtabstruct_19streaming_form_data_7_parser_Finder *)__pyx_v_self->delimiter_finder->__pyx_vtab)->feed(__pyx_v_self->delimiter_finder, __pyx_v_19streaming_form_data_7_parser_c_hyphen, 0); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 491, __pyx_L1_error)
           __Pyx_GOTREF(__pyx_t_3);
           __Pyx_DECREF(__pyx_t_3); __pyx_t_3 = 0;
 
-          /* "streaming_form_data/_parser.pyx":477
+          /* "streaming_form_data/_parser.pyx":492
  *                         self.delimiter_finder.feed(c_lf)
  *                         self.delimiter_finder.feed(c_hyphen)
  *                         self.delimiter_finder.feed(c_hyphen)             # <<<<<<<<<<<<<<
  * 
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-  PyTuple_SET_ITEM(__pyx_t_4, 5, ((PyObject *)__pyx_v_self->ender_finder));
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-  PyTuple_SET_ITEM(__pyx_t_4, 8, __pyx_t_3);
+  PyTuple_SET_ITEM(__pyx_t_5, 8, __pyx_t_3);
+  __Pyx_GIVEREF(__pyx_t_4);
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+  __Pyx_INCREF(__pyx_v_self->unknown_part);
+  __Pyx_GIVEREF(__pyx_v_self->unknown_part);
+  PyTuple_SET_ITEM(__pyx_t_5, 10, __pyx_v_self->unknown_part);
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-  __pyx_v_state = ((PyObject*)__pyx_t_4);
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+  __pyx_v_state = ((PyObject*)__pyx_t_5);
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- *     state = (self._leftover_buffer, self.active_part, self.default_part, self.delimiter_finder, self.delimiter_length, self.ender_finder, self.ender_length, self.expected_parts, self.state)
+ *     state = (self._leftover_buffer, self.active_part, self.default_part, self.delimiter_finder, self.delimiter_length, self.ender_finder, self.ender_length, self.expected_parts, self.state, self.strict, self.unknown_part)
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-  __Pyx_GOTREF(__pyx_t_4);
-  __pyx_v__dict = __pyx_t_4;
-  __pyx_t_4 = 0;
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+ *     state = (self._leftover_buffer, self.active_part, self.default_part, self.delimiter_finder, self.delimiter_length, self.ender_finder, self.ender_length, self.expected_parts, self.state, self.strict, self.unknown_part)
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-  __pyx_t_5 = (__pyx_v__dict != Py_None);
-  __pyx_t_6 = (__pyx_t_5 != 0);
-  if (__pyx_t_6) {
+  __pyx_t_6 = (__pyx_v__dict != Py_None);
+  __pyx_t_7 = (__pyx_t_6 != 0);
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+ *         use_setstate = self._leftover_buffer is not None or self.active_part is not None or self.default_part is not None or self.delimiter_finder is not None or self.ender_finder is not None or self.expected_parts is not None or self.unknown_part is not None
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- *     state = (self._leftover_buffer, self.active_part, self.default_part, self.delimiter_finder, self.delimiter_length, self.ender_finder, self.ender_length, self.expected_parts, self.state)
+ *     state = (self._leftover_buffer, self.active_part, self.default_part, self.delimiter_finder, self.delimiter_length, self.ender_finder, self.ender_length, self.expected_parts, self.state, self.strict, self.unknown_part)
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@@ -9120,6 +9369,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_14__reduce_cyt
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@@ -9160,7 +9410,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_16__setstate_c
   __Pyx_RefNannySetupContext("__setstate_cython__", 0);
 
   /* "(tree fragment)":17
- *         return __pyx_unpickle__Parser, (type(self), 0xd909166, state)
+ *         return __pyx_unpickle__Parser, (type(self), 0x3e42fce, state)
  * def __setstate_cython__(self, __pyx_state):
  *     __pyx_unpickle__Parser__set_state(self, __pyx_state)             # <<<<<<<<<<<<<<
  */
@@ -9171,7 +9421,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_16__setstate_c
 
   /* "(tree fragment)":16
  *     else:
- *         return __pyx_unpickle__Parser, (type(self), 0xd909166, state)
+ *         return __pyx_unpickle__Parser, (type(self), 0x3e42fce, state)
  * def __setstate_cython__(self, __pyx_state):             # <<<<<<<<<<<<<<
  *     __pyx_unpickle__Parser__set_state(self, __pyx_state)
  */
@@ -9296,7 +9546,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser___pyx_unpickle_Finder(C
  */
   __pyx_t_1 = __Pyx_PyInt_From_long(__pyx_v___pyx_checksum); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 4, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_t_1, __pyx_tuple__3, Py_NE)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(1, 4, __pyx_L1_error)
+  __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_t_1, __pyx_tuple__4, Py_NE)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(1, 4, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __pyx_t_3 = (__pyx_t_2 != 0);
   if (__pyx_t_3) {
@@ -9737,7 +9987,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_2__pyx_unpickle_Part(CY
  */
   __pyx_t_1 = __Pyx_PyInt_From_long(__pyx_v___pyx_checksum); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 4, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_t_1, __pyx_tuple__4, Py_NE)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(1, 4, __pyx_L1_error)
+  __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_t_1, __pyx_tuple__5, Py_NE)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(1, 4, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __pyx_t_3 = (__pyx_t_2 != 0);
   if (__pyx_t_3) {
@@ -10145,22 +10395,22 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
   /* "(tree fragment)":4
  *     cdef object __pyx_PickleError
  *     cdef object __pyx_result
- *     if __pyx_checksum not in (0xd909166, 0x83155f2, 0x0cb8e23):             # <<<<<<<<<<<<<<
+ *     if __pyx_checksum not in (0x3e42fce, 0xcb7554b, 0x7e14a98):             # <<<<<<<<<<<<<<
  *         from pickle import PickleError as __pyx_PickleError
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0xd909166, 0x83155f2, 0x0cb8e23) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
  */
   __pyx_t_1 = __Pyx_PyInt_From_long(__pyx_v___pyx_checksum); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 4, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
-  __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_t_1, __pyx_tuple__5, Py_NE)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(1, 4, __pyx_L1_error)
+  __pyx_t_2 = (__Pyx_PySequence_ContainsTF(__pyx_t_1, __pyx_tuple__6, Py_NE)); if (unlikely(__pyx_t_2 < 0)) __PYX_ERR(1, 4, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __pyx_t_3 = (__pyx_t_2 != 0);
   if (__pyx_t_3) {
 
     /* "(tree fragment)":5
  *     cdef object __pyx_result
- *     if __pyx_checksum not in (0xd909166, 0x83155f2, 0x0cb8e23):
+ *     if __pyx_checksum not in (0x3e42fce, 0xcb7554b, 0x7e14a98):
  *         from pickle import PickleError as __pyx_PickleError             # <<<<<<<<<<<<<<
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0xd909166, 0x83155f2, 0x0cb8e23) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
  *     __pyx_result = _Parser.__new__(__pyx_type)
  */
     __pyx_t_1 = PyList_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 5, __pyx_L1_error)
@@ -10179,9 +10429,9 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
     /* "(tree fragment)":6
- *     if __pyx_checksum not in (0xd909166, 0x83155f2, 0x0cb8e23):
+ *     if __pyx_checksum not in (0x3e42fce, 0xcb7554b, 0x7e14a98):
  *         from pickle import PickleError as __pyx_PickleError
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0xd909166, 0x83155f2, 0x0cb8e23) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state))" % __pyx_checksum)             # <<<<<<<<<<<<<<
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)             # <<<<<<<<<<<<<<
  *     __pyx_result = _Parser.__new__(__pyx_type)
  *     if __pyx_state is not None:
  */
@@ -10214,15 +10464,15 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
     /* "(tree fragment)":4
  *     cdef object __pyx_PickleError
  *     cdef object __pyx_result
- *     if __pyx_checksum not in (0xd909166, 0x83155f2, 0x0cb8e23):             # <<<<<<<<<<<<<<
+ *     if __pyx_checksum not in (0x3e42fce, 0xcb7554b, 0x7e14a98):             # <<<<<<<<<<<<<<
  *         from pickle import PickleError as __pyx_PickleError
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0xd909166, 0x83155f2, 0x0cb8e23) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
  */
   }
 
   /* "(tree fragment)":7
  *         from pickle import PickleError as __pyx_PickleError
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0xd909166, 0x83155f2, 0x0cb8e23) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
  *     __pyx_result = _Parser.__new__(__pyx_type)             # <<<<<<<<<<<<<<
  *     if __pyx_state is not None:
  *         __pyx_unpickle__Parser__set_state(<_Parser> __pyx_result, __pyx_state)
@@ -10248,7 +10498,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
   __pyx_t_4 = 0;
 
   /* "(tree fragment)":8
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0xd909166, 0x83155f2, 0x0cb8e23) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
  *     __pyx_result = _Parser.__new__(__pyx_type)
  *     if __pyx_state is not None:             # <<<<<<<<<<<<<<
  *         __pyx_unpickle__Parser__set_state(<_Parser> __pyx_result, __pyx_state)
@@ -10271,7 +10521,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
     /* "(tree fragment)":8
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0xd909166, 0x83155f2, 0x0cb8e23) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
  *     __pyx_result = _Parser.__new__(__pyx_type)
  *     if __pyx_state is not None:             # <<<<<<<<<<<<<<
  *         __pyx_unpickle__Parser__set_state(<_Parser> __pyx_result, __pyx_state)
@@ -10284,7 +10534,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
  *         __pyx_unpickle__Parser__set_state(<_Parser> __pyx_result, __pyx_state)
  *     return __pyx_result             # <<<<<<<<<<<<<<
  * cdef __pyx_unpickle__Parser__set_state(_Parser __pyx_result, tuple __pyx_state):
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
  */
   __Pyx_XDECREF(__pyx_r);
   __Pyx_INCREF(__pyx_v___pyx_result);
@@ -10317,8 +10567,8 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
  *         __pyx_unpickle__Parser__set_state(<_Parser> __pyx_result, __pyx_state)
  *     return __pyx_result
  * cdef __pyx_unpickle__Parser__set_state(_Parser __pyx_result, tuple __pyx_state):             # <<<<<<<<<<<<<<
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]
- *     if len(__pyx_state) > 9 and hasattr(__pyx_result, '__dict__'):
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
+ *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):
  */
 
 static PyObject *__pyx_f_19streaming_form_data_7_parser___pyx_unpickle__Parser__set_state(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v___pyx_result, PyObject *__pyx_v___pyx_state) {
@@ -10342,9 +10592,9 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser___pyx_unpickle__Parser__
   /* "(tree fragment)":12
  *     return __pyx_result
  * cdef __pyx_unpickle__Parser__set_state(_Parser __pyx_result, tuple __pyx_state):
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]             # <<<<<<<<<<<<<<
- *     if len(__pyx_state) > 9 and hasattr(__pyx_result, '__dict__'):
- *         __pyx_result.__dict__.update(__pyx_state[9])
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]             # <<<<<<<<<<<<<<
+ *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):
+ *         __pyx_result.__dict__.update(__pyx_state[11])
  */
   if (unlikely(__pyx_v___pyx_state == Py_None)) {
     PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
@@ -10442,19 +10692,40 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser___pyx_unpickle__Parser__
   __pyx_t_3 = ((enum __pyx_t_19streaming_form_data_7_parser_ParserState)__Pyx_PyInt_As_enum____pyx_t_19streaming_form_data_7_parser_ParserState(__pyx_t_1)); if (unlikely(PyErr_Occurred())) __PYX_ERR(1, 12, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __pyx_v___pyx_result->state = __pyx_t_3;
+  if (unlikely(__pyx_v___pyx_state == Py_None)) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
+    __PYX_ERR(1, 12, __pyx_L1_error)
+  }
+  __pyx_t_1 = __Pyx_GetItemInt_Tuple(__pyx_v___pyx_state, 9, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 12, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_t_1);
+  __pyx_t_4 = __Pyx_PyObject_IsTrue(__pyx_t_1); if (unlikely((__pyx_t_4 == (int)-1) && PyErr_Occurred())) __PYX_ERR(1, 12, __pyx_L1_error)
+  __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
+  __pyx_v___pyx_result->strict = __pyx_t_4;
+  if (unlikely(__pyx_v___pyx_state == Py_None)) {
+    PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
+    __PYX_ERR(1, 12, __pyx_L1_error)
+  }
+  __pyx_t_1 = __Pyx_GetItemInt_Tuple(__pyx_v___pyx_state, 10, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 12, __pyx_L1_error)
+  __Pyx_GOTREF(__pyx_t_1);
+  if (!(likely(PyUnicode_CheckExact(__pyx_t_1))||((__pyx_t_1) == Py_None)||((void)PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "unicode", Py_TYPE(__pyx_t_1)->tp_name), 0))) __PYX_ERR(1, 12, __pyx_L1_error)
+  __Pyx_GIVEREF(__pyx_t_1);
+  __Pyx_GOTREF(__pyx_v___pyx_result->unknown_part);
+  __Pyx_DECREF(__pyx_v___pyx_result->unknown_part);
+  __pyx_v___pyx_result->unknown_part = ((PyObject*)__pyx_t_1);
+  __pyx_t_1 = 0;
 
   /* "(tree fragment)":13
  * cdef __pyx_unpickle__Parser__set_state(_Parser __pyx_result, tuple __pyx_state):
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]
- *     if len(__pyx_state) > 9 and hasattr(__pyx_result, '__dict__'):             # <<<<<<<<<<<<<<
- *         __pyx_result.__dict__.update(__pyx_state[9])
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
+ *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):             # <<<<<<<<<<<<<<
+ *         __pyx_result.__dict__.update(__pyx_state[11])
  */
   if (unlikely(__pyx_v___pyx_state == Py_None)) {
     PyErr_SetString(PyExc_TypeError, "object of type 'NoneType' has no len()");
     __PYX_ERR(1, 13, __pyx_L1_error)
   }
   __pyx_t_5 = PyTuple_GET_SIZE(__pyx_v___pyx_state); if (unlikely(__pyx_t_5 == ((Py_ssize_t)-1))) __PYX_ERR(1, 13, __pyx_L1_error)
-  __pyx_t_6 = ((__pyx_t_5 > 9) != 0);
+  __pyx_t_6 = ((__pyx_t_5 > 11) != 0);
   if (__pyx_t_6) {
   } else {
     __pyx_t_4 = __pyx_t_6;
@@ -10467,9 +10738,9 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser___pyx_unpickle__Parser__
   if (__pyx_t_4) {
 
     /* "(tree fragment)":14
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]
- *     if len(__pyx_state) > 9 and hasattr(__pyx_result, '__dict__'):
- *         __pyx_result.__dict__.update(__pyx_state[9])             # <<<<<<<<<<<<<<
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
+ *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):
+ *         __pyx_result.__dict__.update(__pyx_state[11])             # <<<<<<<<<<<<<<
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+    __pyx_t_8 = __Pyx_GetItemInt_Tuple(__pyx_v___pyx_state, 11, long, 1, __Pyx_PyInt_From_long, 0, 0, 1); if (unlikely(!__pyx_t_8)) __PYX_ERR(1, 14, __pyx_L1_error)
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@@ -10502,9 +10773,9 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser___pyx_unpickle__Parser__
 
     /* "(tree fragment)":13
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- *         __pyx_result.__dict__.update(__pyx_state[9])
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
+ *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):             # <<<<<<<<<<<<<<
+ *         __pyx_result.__dict__.update(__pyx_state[11])
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- *     if len(__pyx_state) > 9 and hasattr(__pyx_result, '__dict__'):
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
+ *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):
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   p->default_part = Py_None; Py_INCREF(Py_None);
   p->_leftover_buffer = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  p->unknown_part = ((PyObject*)Py_None); Py_INCREF(Py_None);
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 }
 
@@ -12396,6 +12668,7 @@ static void __pyx_tp_dealloc_19streaming_form_data_7_parser__Parser(PyObject *o)
   Py_CLEAR(p->active_part);
   Py_CLEAR(p->default_part);
   Py_CLEAR(p->_leftover_buffer);
+  Py_CLEAR(p->unknown_part);
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 }
 
@@ -12441,6 +12714,19 @@ static int __pyx_tp_clear_19streaming_form_data_7_parser__Parser(PyObject *o) {
   return 0;
 }
 
+static PyObject *__pyx_getprop_19streaming_form_data_7_parser_7_Parser_unknown_part(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_19streaming_form_data_7_parser_7_Parser_12unknown_part_1__get__(o);
+}
+
+static int __pyx_setprop_19streaming_form_data_7_parser_7_Parser_unknown_part(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+  if (v) {
+    return __pyx_pw_19streaming_form_data_7_parser_7_Parser_12unknown_part_3__set__(o, v);
+  }
+  else {
+    return __pyx_pw_19streaming_form_data_7_parser_7_Parser_12unknown_part_5__del__(o);
+  }
+}
+
 static PyMethodDef __pyx_methods_19streaming_form_data_7_parser__Parser[] = {
   {"register", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_19streaming_form_data_7_parser_7_Parser_3register, METH_VARARGS|METH_KEYWORDS, 0},
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@@ -12453,6 +12739,11 @@ static PyMethodDef __pyx_methods_19streaming_form_data_7_parser__Parser[] = {
   {0, 0, 0, 0}
 };
 
+static struct PyGetSetDef __pyx_getsets_19streaming_form_data_7_parser__Parser[] = {
+  {(char *)"unknown_part", __pyx_getprop_19streaming_form_data_7_parser_7_Parser_unknown_part, __pyx_setprop_19streaming_form_data_7_parser_7_Parser_unknown_part, (char *)0, 0},
+  {0, 0, 0, 0, 0}
+};
+
 static PyTypeObject __pyx_type_19streaming_form_data_7_parser__Parser = {
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   0, /*tp_iternext*/
   __pyx_methods_19streaming_form_data_7_parser__Parser, /*tp_methods*/
   0, /*tp_members*/
-  0, /*tp_getset*/
+  __pyx_getsets_19streaming_form_data_7_parser__Parser, /*tp_getset*/
   0, /*tp_base*/
   0, /*tp_dict*/
   0, /*tp_descr_get*/
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   {&__pyx_kp_s_Unknown_enum_value_s, __pyx_k_Unknown_enum_value_s, sizeof(__pyx_k_Unknown_enum_value_s), 0, 0, 1, 0},
+  {&__pyx_n_s_UnregisteredPart, __pyx_k_UnregisteredPart, sizeof(__pyx_k_UnregisteredPart), 0, 0, 1, 1},
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-  {&__pyx_kp_b__2, __pyx_k__2, sizeof(__pyx_k__2), 0, 0, 0, 0},
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   {&__pyx_n_s_active, __pyx_k_active, sizeof(__pyx_k_active), 0, 0, 1, 1},
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   {&__pyx_n_s_streaming_form_data_targets, __pyx_k_streaming_form_data_targets, sizeof(__pyx_k_streaming_form_data_targets), 0, 0, 1, 1},
+  {&__pyx_n_s_strict, __pyx_k_strict, sizeof(__pyx_k_strict), 0, 0, 1, 1},
   {&__pyx_kp_s_stringsource, __pyx_k_stringsource, sizeof(__pyx_k_stringsource), 0, 0, 1, 0},
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   {&__pyx_n_s_test, __pyx_k_test, sizeof(__pyx_k_test), 0, 0, 1, 1},
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   return 0;
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-  /* "streaming_form_data/_parser.pyx":41
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  *     __Pyx_globals['PartHeaders'] = ErrorGroup(PartHeaders, 'PartHeaders')             # <<<<<<<<<<<<<<
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+      __PYX_ERR(1, 68, __pyx_L1_error)
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+ *     __Pyx_globals['PartHeaders'] = ErrorGroup(PartHeaders, 'PartHeaders')
+ *     __Pyx_globals['UnregisteredPart'] = ErrorGroup(UnregisteredPart, 'UnregisteredPart')             # <<<<<<<<<<<<<<
+ * 
+ */
+    __Pyx_GetModuleGlobalName(__pyx_t_6, __pyx_n_s_ErrorGroup); if (unlikely(!__pyx_t_6)) __PYX_ERR(1, 69, __pyx_L1_error)
+    __Pyx_GOTREF(__pyx_t_6);
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+    __Pyx_GOTREF(__pyx_t_2);
+    __pyx_t_5 = PyTuple_New(2); if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 69, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_5);
     __Pyx_GIVEREF(__pyx_t_2);
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-    __Pyx_GIVEREF(__pyx_n_s_PartHeaders);
-    PyTuple_SET_ITEM(__pyx_t_5, 1, __pyx_n_s_PartHeaders);
+    __Pyx_INCREF(__pyx_n_s_UnregisteredPart);
+    __Pyx_GIVEREF(__pyx_n_s_UnregisteredPart);
+    PyTuple_SET_ITEM(__pyx_t_5, 1, __pyx_n_s_UnregisteredPart);
     __pyx_t_2 = 0;
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+    __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_t_5, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 69, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
-    __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
+    __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
     __Pyx_DECREF(__pyx_t_5); __pyx_t_5 = 0;
     if (unlikely(__Pyx_globals == Py_None)) {
       PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
-      __PYX_ERR(1, 66, __pyx_L1_error)
+      __PYX_ERR(1, 69, __pyx_L1_error)
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-    if (unlikely(PyDict_SetItem(__Pyx_globals, __pyx_n_s_PartHeaders, __pyx_t_2) < 0)) __PYX_ERR(1, 66, __pyx_L1_error)
+    if (unlikely(PyDict_SetItem(__Pyx_globals, __pyx_n_s_UnregisteredPart, __pyx_t_2) < 0)) __PYX_ERR(1, 69, __pyx_L1_error)
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   __pyx_L4:;
@@ -13923,6 +14288,7 @@ if (!__Pyx_RefNanny) {
   __Pyx_XDECREF(__pyx_t_2);
   __Pyx_XDECREF(__pyx_t_4);
   __Pyx_XDECREF(__pyx_t_5);
+  __Pyx_XDECREF(__pyx_t_6);
   if (__pyx_m) {
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       __Pyx_AddTraceback("init streaming_form_data._parser", __pyx_clineno, __pyx_lineno, __pyx_filename);
diff --git a/streaming_form_data/_parser.pyx b/streaming_form_data/_parser.pyx
index caf1116a..6d46af64 100644
--- a/streaming_form_data/_parser.pyx
+++ b/streaming_form_data/_parser.pyx
@@ -24,10 +24,12 @@ cdef enum FinderState:
 # 100..199: internal program errors (asserts)
 # 200..299: problems with delimiting multipart stream into parts
 # 300..399: problems with parsing particular part headers
+# 400..499: problems with unregistered parts
 cpdef enum ErrorGroup:
     Internal = 100
     Delimiting = 200
     PartHeaders = 300
+    UnregisteredPart = 400
 
 
 cdef class Finder:
@@ -153,7 +155,10 @@ cdef class _Parser:
 
     cdef bytes _leftover_buffer
 
-    def __init__(self, bytes delimiter, bytes ender):
+    cdef bint strict
+    cdef public str unknown_part
+
+    def __init__(self, bytes delimiter, bytes ender, bint strict):
         self.delimiter_finder = Finder(delimiter)
         self.ender_finder = Finder(ender)
 
@@ -169,6 +174,9 @@ cdef class _Parser:
 
         self._leftover_buffer = None
 
+        self.strict = strict
+        self.unknown_part = ''
+
     def register(self, str name, object target):
         part = self._part_for(name)
 
@@ -288,7 +296,14 @@ cdef class _Parser:
                     name = params.get('name')
 
                     if name:
-                        part = self._part_for(name) or self.default_part
+                        part = self._part_for(name)
+                        if part is None:
+                            part = self.default_part
+                            if self.strict:
+                                self.unknown_part = name
+                                self.mark_error()
+                                return ErrorGroup.UnregisteredPart
+
                         self.set_active_part(part, params.get('filename'))
                 elif 'content-type' in message:
                     if self.active_part:
diff --git a/streaming_form_data/parser.py b/streaming_form_data/parser.py
index c7056132..5b2ce0eb 100644
--- a/streaming_form_data/parser.py
+++ b/streaming_form_data/parser.py
@@ -8,6 +8,11 @@
 class ParseFailedException(Exception):
     pass
 
+class UnregisteredPartException(ParseFailedException):
+    def __init__(self, message, part_name):
+        super().__init__(message)
+        self.part_name = part_name
+
 
 def parse_content_boundary(headers: Mapping[str, str]) -> bytes:
     content_type = None
@@ -34,7 +39,7 @@ def parse_content_boundary(headers: Mapping[str, str]) -> bytes:
 
 
 class StreamingFormDataParser:
-    def __init__(self, headers: Mapping[str, str]):
+    def __init__(self, headers: Mapping[str, str], strict: bool = False):
         self.headers = headers
 
         raw_boundary = parse_content_boundary(headers)
@@ -42,7 +47,7 @@ def __init__(self, headers: Mapping[str, str]):
         delimiter = b"\r\n--" + raw_boundary + b"\r\n"
         ender = b"\r\n--" + raw_boundary + b"--"
 
-        self._parser = _Parser(delimiter, ender)
+        self._parser = _Parser(delimiter, ender, strict)
 
         self._running = False
 
@@ -65,8 +70,12 @@ def data_received(self, data: bytes):
                 message = "internal errors"
             elif ErrorGroup.Delimiting <= result < ErrorGroup.PartHeaders:
                 message = "delimiting multipart stream into parts"
-            elif ErrorGroup.PartHeaders <= result:
+            elif ErrorGroup.PartHeaders <= result < ErrorGroup.UnregisteredPart:
                 message = "parsing specific part headers"
+            elif ErrorGroup.UnregisteredPart <= result:
+                raise UnregisteredPartException(
+                        f"parsing unregistered part '{self._parser.unknown_part}' in strict mode",
+                        self._parser.unknown_part)
 
             raise ParseFailedException(
                 "_parser.data_received failed with {}".format(message)

From 75e05999865352b86806156ffc36ce569a6ff3b6 Mon Sep 17 00:00:00 2001
From: burak <busul@gams.com>
Date: Tue, 12 Sep 2023 19:27:53 +0200
Subject: [PATCH 2/3] Rename some fields to follow the expected part
 terminology

---
 streaming_form_data/_parser.c   | 282 ++++++++++++++++----------------
 streaming_form_data/_parser.pyx |  10 +-
 streaming_form_data/parser.py   |  14 +-
 3 files changed, 154 insertions(+), 152 deletions(-)

diff --git a/streaming_form_data/_parser.c b/streaming_form_data/_parser.c
index beae94fc..fb08e710 100644
--- a/streaming_form_data/_parser.c
+++ b/streaming_form_data/_parser.c
@@ -993,7 +993,7 @@ enum __pyx_t_19streaming_form_data_7_parser_ErrorGroup {
   __pyx_e_19streaming_form_data_7_parser_Internal = 0x64,
   __pyx_e_19streaming_form_data_7_parser_Delimiting = 0xC8,
   __pyx_e_19streaming_form_data_7_parser_PartHeaders = 0x12C,
-  __pyx_e_19streaming_form_data_7_parser_UnregisteredPart = 0x190
+  __pyx_e_19streaming_form_data_7_parser_UnexpectedPart = 0x190
 };
 
 /* "streaming_form_data/_parser.pyx":127
@@ -1070,7 +1070,7 @@ struct __pyx_obj_19streaming_form_data_7_parser__Parser {
   PyObject *default_part;
   PyObject *_leftover_buffer;
   int strict;
-  PyObject *unknown_part;
+  PyObject *unexpected_part_name;
 };
 
 
@@ -1850,10 +1850,10 @@ static const char __pyx_k_pyx_checksum[] = "__pyx_checksum";
 static const char __pyx_k_stringsource[] = "stringsource";
 static const char __pyx_k_data_received[] = "data_received";
 static const char __pyx_k_reduce_cython[] = "__reduce_cython__";
+static const char __pyx_k_UnexpectedPart[] = "UnexpectedPart";
 static const char __pyx_k_pyx_PickleError[] = "__pyx_PickleError";
 static const char __pyx_k_set_active_part[] = "set_active_part";
 static const char __pyx_k_setstate_cython[] = "__setstate_cython__";
-static const char __pyx_k_UnregisteredPart[] = "UnregisteredPart";
 static const char __pyx_k_get_content_type[] = "get_content_type";
 static const char __pyx_k_pyx_unpickle_Part[] = "__pyx_unpickle_Part";
 static const char __pyx_k_unset_active_part[] = "unset_active_part";
@@ -1876,7 +1876,7 @@ static const char __pyx_k_streaming_form_data__parser[] = "streaming_form_data._
 static const char __pyx_k_streaming_form_data_targets[] = "streaming_form_data.targets";
 static const char __pyx_k_Incompatible_checksums_0x_x_vs_0[] = "Incompatible checksums (0x%x vs (0x0cd0b9a, 0x0855a7d, 0x0c6065b) = (index, state, target, target_len, target_ptr))";
 static const char __pyx_k_Incompatible_checksums_0x_x_vs_0_2[] = "Incompatible checksums (0x%x vs (0xec97593, 0x73c2615, 0x0c26682) = (name, targets))";
-static const char __pyx_k_Incompatible_checksums_0x_x_vs_0_3[] = "Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))";
+static const char __pyx_k_Incompatible_checksums_0x_x_vs_0_3[] = "Incompatible checksums (0x%x vs (0x7bae3b8, 0x428af85, 0xaf18744) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unexpected_part_name))";
 static const char __pyx_k_Incompatible_checksums_0x_x_vs_0_4[] = "Incompatible checksums (0x%x vs (0xd41d8cd, 0xe3b0c44, 0xda39a3e) = ())";
 static PyObject *__pyx_n_s_Delimiting;
 static PyObject *__pyx_kp_u_Empty_values_not_allowed;
@@ -1902,8 +1902,8 @@ static PyObject *__pyx_n_s_Pyx_EnumBase;
 static PyObject *__pyx_n_s_Pyx_EnumBase___new;
 static PyObject *__pyx_n_s_Pyx_EnumBase___repr;
 static PyObject *__pyx_n_s_Pyx_EnumBase___str;
+static PyObject *__pyx_n_s_UnexpectedPart;
 static PyObject *__pyx_kp_s_Unknown_enum_value_s;
-static PyObject *__pyx_n_s_UnregisteredPart;
 static PyObject *__pyx_n_s_ValueError;
 static PyObject *__pyx_kp_u__2;
 static PyObject *__pyx_kp_b__3;
@@ -2024,9 +2024,9 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_6unset_active_
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_8on_body(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_10data_received(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_data); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_chunk, size_t __pyx_v_index); /* proto */
-static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12unknown_part___get__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self); /* proto */
-static int __pyx_pf_19streaming_form_data_7_parser_7_Parser_12unknown_part_2__set__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
-static int __pyx_pf_19streaming_form_data_7_parser_7_Parser_12unknown_part_4__del__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name___get__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self); /* proto */
+static int __pyx_pf_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_2__set__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_value); /* proto */
+static int __pyx_pf_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_4__del__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_14__reduce_cython__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_16__setstate_cython__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v___pyx_state); /* proto */
 static PyObject *__pyx_pf_19streaming_form_data_7_parser___pyx_unpickle_Finder(CYTHON_UNUSED PyObject *__pyx_self, PyObject *__pyx_v___pyx_type, long __pyx_v___pyx_checksum, PyObject *__pyx_v___pyx_state); /* proto */
@@ -2050,10 +2050,10 @@ static PyObject *__pyx_int_8739453;
 static PyObject *__pyx_int_12740226;
 static PyObject *__pyx_int_12977755;
 static PyObject *__pyx_int_13437850;
-static PyObject *__pyx_int_65286094;
+static PyObject *__pyx_int_69775237;
 static PyObject *__pyx_int_121382421;
-static PyObject *__pyx_int_132205208;
-static PyObject *__pyx_int_213341515;
+static PyObject *__pyx_int_129688504;
+static PyObject *__pyx_int_183600964;
 static PyObject *__pyx_int_222419149;
 static PyObject *__pyx_int_228825662;
 static PyObject *__pyx_int_238750788;
@@ -4623,7 +4623,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4Part_16__setstate_cyth
 }
 
 /* "streaming_form_data/_parser.pyx":161
- *     cdef public str unknown_part
+ *     cdef public str unexpected_part_name
  * 
  *     def __init__(self, bytes delimiter, bytes ender, bint strict):             # <<<<<<<<<<<<<<
  *         self.delimiter_finder = Finder(delimiter)
@@ -4876,7 +4876,7 @@ static int __pyx_pf_19streaming_form_data_7_parser_7_Parser___init__(struct __py
  *         self._leftover_buffer = None
  * 
  *         self.strict = strict             # <<<<<<<<<<<<<<
- *         self.unknown_part = ''
+ *         self.unexpected_part_name = ''
  * 
  */
   __pyx_v_self->strict = __pyx_v_strict;
@@ -4884,18 +4884,18 @@ static int __pyx_pf_19streaming_form_data_7_parser_7_Parser___init__(struct __py
   /* "streaming_form_data/_parser.pyx":178
  * 
  *         self.strict = strict
- *         self.unknown_part = ''             # <<<<<<<<<<<<<<
+ *         self.unexpected_part_name = ''             # <<<<<<<<<<<<<<
  * 
  *     def register(self, str name, object target):
  */
   __Pyx_INCREF(__pyx_kp_u__2);
   __Pyx_GIVEREF(__pyx_kp_u__2);
-  __Pyx_GOTREF(__pyx_v_self->unknown_part);
-  __Pyx_DECREF(__pyx_v_self->unknown_part);
-  __pyx_v_self->unknown_part = __pyx_kp_u__2;
+  __Pyx_GOTREF(__pyx_v_self->unexpected_part_name);
+  __Pyx_DECREF(__pyx_v_self->unexpected_part_name);
+  __pyx_v_self->unexpected_part_name = __pyx_kp_u__2;
 
   /* "streaming_form_data/_parser.pyx":161
- *     cdef public str unknown_part
+ *     cdef public str unexpected_part_name
  * 
  *     def __init__(self, bytes delimiter, bytes ender, bint strict):             # <<<<<<<<<<<<<<
  *         self.delimiter_finder = Finder(delimiter)
@@ -4917,7 +4917,7 @@ static int __pyx_pf_19streaming_form_data_7_parser_7_Parser___init__(struct __py
 }
 
 /* "streaming_form_data/_parser.pyx":180
- *         self.unknown_part = ''
+ *         self.unexpected_part_name = ''
  * 
  *     def register(self, str name, object target):             # <<<<<<<<<<<<<<
  *         part = self._part_for(name)
@@ -5090,7 +5090,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_2register(stru
   __pyx_L3:;
 
   /* "streaming_form_data/_parser.pyx":180
- *         self.unknown_part = ''
+ *         self.unexpected_part_name = ''
  * 
  *     def register(self, str name, object target):             # <<<<<<<<<<<<<<
  *         part = self._part_for(name)
@@ -6806,7 +6806,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  *                         if part is None:
  *                             part = self.default_part             # <<<<<<<<<<<<<<
  *                             if self.strict:
- *                                 self.unknown_part = name
+ *                                 self.unexpected_part_name = name
  */
             __pyx_t_7 = __pyx_v_self->default_part;
             __Pyx_INCREF(__pyx_t_7);
@@ -6817,7 +6817,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_12_parse(struc
  *                         if part is None:
  *                             part = self.default_part
  *                             if self.strict:             # <<<<<<<<<<<<<<
- *                                 self.unknown_part = name
+ *                                 self.unexpected_part_name = name
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  *                             part = self.default_part
  *                             if self.strict:
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+ *                                 self.unexpected_part_name = name             # <<<<<<<<<<<<<<
  *                                 self.mark_error()
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+ *                                 return ErrorGroup.UnexpectedPart
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-              __Pyx_DECREF(__pyx_v_self->unknown_part);
-              __pyx_v_self->unknown_part = ((PyObject*)__pyx_t_7);
+              __Pyx_GOTREF(__pyx_v_self->unexpected_part_name);
+              __Pyx_DECREF(__pyx_v_self->unexpected_part_name);
+              __pyx_v_self->unexpected_part_name = ((PyObject*)__pyx_t_7);
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  *                             if self.strict:
- *                                 self.unknown_part = name
+ *                                 self.unexpected_part_name = name
  *                                 self.mark_error()             # <<<<<<<<<<<<<<
- *                                 return ErrorGroup.UnregisteredPart
+ *                                 return ErrorGroup.UnexpectedPart
  * 
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               /* "streaming_form_data/_parser.pyx":305
- *                                 self.unknown_part = name
+ *                                 self.unexpected_part_name = name
  *                                 self.mark_error()
- *                                 return ErrorGroup.UnregisteredPart             # <<<<<<<<<<<<<<
+ *                                 return ErrorGroup.UnexpectedPart             # <<<<<<<<<<<<<<
  * 
  *                         self.set_active_part(part, params.get('filename'))
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+              __pyx_t_7 = __Pyx_PyInt_From_enum____pyx_t_19streaming_form_data_7_parser_ErrorGroup(__pyx_e_19streaming_form_data_7_parser_UnexpectedPart); if (unlikely(!__pyx_t_7)) __PYX_ERR(0, 305, __pyx_L1_error)
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  *                         if part is None:
  *                             part = self.default_part
  *                             if self.strict:             # <<<<<<<<<<<<<<
- *                                 self.unknown_part = name
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           }
 
           /* "streaming_form_data/_parser.pyx":307
- *                                 return ErrorGroup.UnregisteredPart
+ *                                 return ErrorGroup.UnexpectedPart
  * 
  *                         self.set_active_part(part, params.get('filename'))             # <<<<<<<<<<<<<<
  *                 elif 'content-type' in message:
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 /* "streaming_form_data/_parser.pyx":159
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  *     cdef bint strict
- *     cdef public str unknown_part             # <<<<<<<<<<<<<<
+ *     cdef public str unexpected_part_name             # <<<<<<<<<<<<<<
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  *     def __init__(self, bytes delimiter, bytes ender, bint strict):
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-static PyObject *__pyx_pw_19streaming_form_data_7_parser_7_Parser_12unknown_part_1__get__(PyObject *__pyx_v_self) {
+static PyObject *__pyx_pw_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_1__get__(PyObject *__pyx_v_self); /*proto*/
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+  __pyx_r = __pyx_pf_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name___get__(((struct __pyx_obj_19streaming_form_data_7_parser__Parser *)__pyx_v_self));
 
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+static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name___get__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self) {
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-static int __pyx_pw_19streaming_form_data_7_parser_7_Parser_12unknown_part_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
+static int __pyx_pw_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value); /*proto*/
+static int __pyx_pw_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_3__set__(PyObject *__pyx_v_self, PyObject *__pyx_v_value) {
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+  __pyx_r = __pyx_pf_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_2__set__(((struct __pyx_obj_19streaming_form_data_7_parser__Parser *)__pyx_v_self), ((PyObject *)__pyx_v_value));
 
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+static int __pyx_pf_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_2__set__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self, PyObject *__pyx_v_value) {
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+  __pyx_v_self->unexpected_part_name = ((PyObject*)__pyx_t_1);
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-static int __pyx_pw_19streaming_form_data_7_parser_7_Parser_12unknown_part_5__del__(PyObject *__pyx_v_self) {
+static int __pyx_pw_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_5__del__(PyObject *__pyx_v_self); /*proto*/
+static int __pyx_pw_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_5__del__(PyObject *__pyx_v_self) {
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+  __pyx_r = __pyx_pf_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_4__del__(((struct __pyx_obj_19streaming_form_data_7_parser__Parser *)__pyx_v_self));
 
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-static int __pyx_pf_19streaming_form_data_7_parser_7_Parser_12unknown_part_4__del__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self) {
+static int __pyx_pf_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_4__del__(struct __pyx_obj_19streaming_form_data_7_parser__Parser *__pyx_v_self) {
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-  __Pyx_DECREF(__pyx_v_self->unknown_part);
-  __pyx_v_self->unknown_part = ((PyObject*)Py_None);
+  __Pyx_GOTREF(__pyx_v_self->unexpected_part_name);
+  __Pyx_DECREF(__pyx_v_self->unexpected_part_name);
+  __pyx_v_self->unexpected_part_name = ((PyObject*)Py_None);
 
   /* function exit code */
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+ *     state = (self._leftover_buffer, self.active_part, self.default_part, self.delimiter_finder, self.delimiter_length, self.ender_finder, self.ender_length, self.expected_parts, self.state, self.strict, self.unexpected_part_name)             # <<<<<<<<<<<<<<
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-  __Pyx_GIVEREF(__pyx_v_self->unknown_part);
-  PyTuple_SET_ITEM(__pyx_t_5, 10, __pyx_v_self->unknown_part);
+  __Pyx_INCREF(__pyx_v_self->unexpected_part_name);
+  __Pyx_GIVEREF(__pyx_v_self->unexpected_part_name);
+  PyTuple_SET_ITEM(__pyx_t_5, 10, __pyx_v_self->unexpected_part_name);
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+ *     state = (self._leftover_buffer, self.active_part, self.default_part, self.delimiter_finder, self.delimiter_length, self.ender_finder, self.ender_length, self.expected_parts, self.state, self.strict, self.unexpected_part_name)
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+ *     state = (self._leftover_buffer, self.active_part, self.default_part, self.delimiter_finder, self.delimiter_length, self.ender_finder, self.ender_length, self.expected_parts, self.state, self.strict, self.unexpected_part_name)
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+ *         use_setstate = self._leftover_buffer is not None or self.active_part is not None or self.default_part is not None or self.delimiter_finder is not None or self.ender_finder is not None or self.expected_parts is not None or self.unexpected_part_name is not None
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+ *     state = (self._leftover_buffer, self.active_part, self.default_part, self.delimiter_finder, self.delimiter_length, self.ender_finder, self.ender_length, self.expected_parts, self.state, self.strict, self.unexpected_part_name)
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+ *         use_setstate = self._leftover_buffer is not None or self.active_part is not None or self.default_part is not None or self.delimiter_finder is not None or self.ender_finder is not None or self.expected_parts is not None or self.unexpected_part_name is not None
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+ *         use_setstate = self._leftover_buffer is not None or self.active_part is not None or self.default_part is not None or self.delimiter_finder is not None or self.ender_finder is not None or self.expected_parts is not None or self.unexpected_part_name is not None
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   }
 
   /* "(tree fragment)":15
- *         return __pyx_unpickle__Parser, (type(self), 0x3e42fce, None), state
+ *         return __pyx_unpickle__Parser, (type(self), 0x7bae3b8, None), state
  *     else:
- *         return __pyx_unpickle__Parser, (type(self), 0x3e42fce, state)             # <<<<<<<<<<<<<<
+ *         return __pyx_unpickle__Parser, (type(self), 0x7bae3b8, state)             # <<<<<<<<<<<<<<
  * def __setstate_cython__(self, __pyx_state):
  *     __pyx_unpickle__Parser__set_state(self, __pyx_state)
  */
@@ -9338,9 +9338,9 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_14__reduce_cyt
     __Pyx_INCREF(((PyObject *)Py_TYPE(((PyObject *)__pyx_v_self))));
     __Pyx_GIVEREF(((PyObject *)Py_TYPE(((PyObject *)__pyx_v_self))));
     PyTuple_SET_ITEM(__pyx_t_5, 0, ((PyObject *)Py_TYPE(((PyObject *)__pyx_v_self))));
-    __Pyx_INCREF(__pyx_int_65286094);
-    __Pyx_GIVEREF(__pyx_int_65286094);
-    PyTuple_SET_ITEM(__pyx_t_5, 1, __pyx_int_65286094);
+    __Pyx_INCREF(__pyx_int_129688504);
+    __Pyx_GIVEREF(__pyx_int_129688504);
+    PyTuple_SET_ITEM(__pyx_t_5, 1, __pyx_int_129688504);
     __Pyx_INCREF(__pyx_v_state);
     __Pyx_GIVEREF(__pyx_v_state);
     PyTuple_SET_ITEM(__pyx_t_5, 2, __pyx_v_state);
@@ -9382,7 +9382,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_14__reduce_cyt
 
 /* "(tree fragment)":16
  *     else:
- *         return __pyx_unpickle__Parser, (type(self), 0x3e42fce, state)
+ *         return __pyx_unpickle__Parser, (type(self), 0x7bae3b8, state)
  * def __setstate_cython__(self, __pyx_state):             # <<<<<<<<<<<<<<
  *     __pyx_unpickle__Parser__set_state(self, __pyx_state)
  */
@@ -9410,7 +9410,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_16__setstate_c
   __Pyx_RefNannySetupContext("__setstate_cython__", 0);
 
   /* "(tree fragment)":17
- *         return __pyx_unpickle__Parser, (type(self), 0x3e42fce, state)
+ *         return __pyx_unpickle__Parser, (type(self), 0x7bae3b8, state)
  * def __setstate_cython__(self, __pyx_state):
  *     __pyx_unpickle__Parser__set_state(self, __pyx_state)             # <<<<<<<<<<<<<<
  */
@@ -9421,7 +9421,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_7_Parser_16__setstate_c
 
   /* "(tree fragment)":16
  *     else:
- *         return __pyx_unpickle__Parser, (type(self), 0x3e42fce, state)
+ *         return __pyx_unpickle__Parser, (type(self), 0x7bae3b8, state)
  * def __setstate_cython__(self, __pyx_state):             # <<<<<<<<<<<<<<
  *     __pyx_unpickle__Parser__set_state(self, __pyx_state)
  */
@@ -10395,9 +10395,9 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
   /* "(tree fragment)":4
  *     cdef object __pyx_PickleError
  *     cdef object __pyx_result
- *     if __pyx_checksum not in (0x3e42fce, 0xcb7554b, 0x7e14a98):             # <<<<<<<<<<<<<<
+ *     if __pyx_checksum not in (0x7bae3b8, 0x428af85, 0xaf18744):             # <<<<<<<<<<<<<<
  *         from pickle import PickleError as __pyx_PickleError
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x7bae3b8, 0x428af85, 0xaf18744) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unexpected_part_name))" % __pyx_checksum)
  */
   __pyx_t_1 = __Pyx_PyInt_From_long(__pyx_v___pyx_checksum); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 4, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_t_1);
@@ -10408,9 +10408,9 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
 
     /* "(tree fragment)":5
  *     cdef object __pyx_result
- *     if __pyx_checksum not in (0x3e42fce, 0xcb7554b, 0x7e14a98):
+ *     if __pyx_checksum not in (0x7bae3b8, 0x428af85, 0xaf18744):
  *         from pickle import PickleError as __pyx_PickleError             # <<<<<<<<<<<<<<
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x7bae3b8, 0x428af85, 0xaf18744) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unexpected_part_name))" % __pyx_checksum)
  *     __pyx_result = _Parser.__new__(__pyx_type)
  */
     __pyx_t_1 = PyList_New(1); if (unlikely(!__pyx_t_1)) __PYX_ERR(1, 5, __pyx_L1_error)
@@ -10429,9 +10429,9 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
     /* "(tree fragment)":6
- *     if __pyx_checksum not in (0x3e42fce, 0xcb7554b, 0x7e14a98):
+ *     if __pyx_checksum not in (0x7bae3b8, 0x428af85, 0xaf18744):
  *         from pickle import PickleError as __pyx_PickleError
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)             # <<<<<<<<<<<<<<
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x7bae3b8, 0x428af85, 0xaf18744) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unexpected_part_name))" % __pyx_checksum)             # <<<<<<<<<<<<<<
  *     __pyx_result = _Parser.__new__(__pyx_type)
  *     if __pyx_state is not None:
  */
@@ -10464,15 +10464,15 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
     /* "(tree fragment)":4
  *     cdef object __pyx_PickleError
  *     cdef object __pyx_result
- *     if __pyx_checksum not in (0x3e42fce, 0xcb7554b, 0x7e14a98):             # <<<<<<<<<<<<<<
+ *     if __pyx_checksum not in (0x7bae3b8, 0x428af85, 0xaf18744):             # <<<<<<<<<<<<<<
  *         from pickle import PickleError as __pyx_PickleError
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x7bae3b8, 0x428af85, 0xaf18744) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unexpected_part_name))" % __pyx_checksum)
  */
   }
 
   /* "(tree fragment)":7
  *         from pickle import PickleError as __pyx_PickleError
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x7bae3b8, 0x428af85, 0xaf18744) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unexpected_part_name))" % __pyx_checksum)
  *     __pyx_result = _Parser.__new__(__pyx_type)             # <<<<<<<<<<<<<<
  *     if __pyx_state is not None:
  *         __pyx_unpickle__Parser__set_state(<_Parser> __pyx_result, __pyx_state)
@@ -10498,7 +10498,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
   __pyx_t_4 = 0;
 
   /* "(tree fragment)":8
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x7bae3b8, 0x428af85, 0xaf18744) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unexpected_part_name))" % __pyx_checksum)
  *     __pyx_result = _Parser.__new__(__pyx_type)
  *     if __pyx_state is not None:             # <<<<<<<<<<<<<<
  *         __pyx_unpickle__Parser__set_state(<_Parser> __pyx_result, __pyx_state)
@@ -10521,7 +10521,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
     __Pyx_DECREF(__pyx_t_4); __pyx_t_4 = 0;
 
     /* "(tree fragment)":8
- *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x3e42fce, 0xcb7554b, 0x7e14a98) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unknown_part))" % __pyx_checksum)
+ *         raise __pyx_PickleError("Incompatible checksums (0x%x vs (0x7bae3b8, 0x428af85, 0xaf18744) = (_leftover_buffer, active_part, default_part, delimiter_finder, delimiter_length, ender_finder, ender_length, expected_parts, state, strict, unexpected_part_name))" % __pyx_checksum)
  *     __pyx_result = _Parser.__new__(__pyx_type)
  *     if __pyx_state is not None:             # <<<<<<<<<<<<<<
  *         __pyx_unpickle__Parser__set_state(<_Parser> __pyx_result, __pyx_state)
@@ -10534,7 +10534,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
  *         __pyx_unpickle__Parser__set_state(<_Parser> __pyx_result, __pyx_state)
  *     return __pyx_result             # <<<<<<<<<<<<<<
  * cdef __pyx_unpickle__Parser__set_state(_Parser __pyx_result, tuple __pyx_state):
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unexpected_part_name = __pyx_state[10]
  */
   __Pyx_XDECREF(__pyx_r);
   __Pyx_INCREF(__pyx_v___pyx_result);
@@ -10567,7 +10567,7 @@ static PyObject *__pyx_pf_19streaming_form_data_7_parser_4__pyx_unpickle__Parser
  *         __pyx_unpickle__Parser__set_state(<_Parser> __pyx_result, __pyx_state)
  *     return __pyx_result
  * cdef __pyx_unpickle__Parser__set_state(_Parser __pyx_result, tuple __pyx_state):             # <<<<<<<<<<<<<<
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unexpected_part_name = __pyx_state[10]
  *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):
  */
 
@@ -10592,7 +10592,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser___pyx_unpickle__Parser__
   /* "(tree fragment)":12
  *     return __pyx_result
  * cdef __pyx_unpickle__Parser__set_state(_Parser __pyx_result, tuple __pyx_state):
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]             # <<<<<<<<<<<<<<
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unexpected_part_name = __pyx_state[10]             # <<<<<<<<<<<<<<
  *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):
  *         __pyx_result.__dict__.update(__pyx_state[11])
  */
@@ -10709,14 +10709,14 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser___pyx_unpickle__Parser__
   __Pyx_GOTREF(__pyx_t_1);
   if (!(likely(PyUnicode_CheckExact(__pyx_t_1))||((__pyx_t_1) == Py_None)||((void)PyErr_Format(PyExc_TypeError, "Expected %.16s, got %.200s", "unicode", Py_TYPE(__pyx_t_1)->tp_name), 0))) __PYX_ERR(1, 12, __pyx_L1_error)
   __Pyx_GIVEREF(__pyx_t_1);
-  __Pyx_GOTREF(__pyx_v___pyx_result->unknown_part);
-  __Pyx_DECREF(__pyx_v___pyx_result->unknown_part);
-  __pyx_v___pyx_result->unknown_part = ((PyObject*)__pyx_t_1);
+  __Pyx_GOTREF(__pyx_v___pyx_result->unexpected_part_name);
+  __Pyx_DECREF(__pyx_v___pyx_result->unexpected_part_name);
+  __pyx_v___pyx_result->unexpected_part_name = ((PyObject*)__pyx_t_1);
   __pyx_t_1 = 0;
 
   /* "(tree fragment)":13
  * cdef __pyx_unpickle__Parser__set_state(_Parser __pyx_result, tuple __pyx_state):
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unexpected_part_name = __pyx_state[10]
  *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):             # <<<<<<<<<<<<<<
  *         __pyx_result.__dict__.update(__pyx_state[11])
  */
@@ -10738,7 +10738,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser___pyx_unpickle__Parser__
   if (__pyx_t_4) {
 
     /* "(tree fragment)":14
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unexpected_part_name = __pyx_state[10]
  *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):
  *         __pyx_result.__dict__.update(__pyx_state[11])             # <<<<<<<<<<<<<<
  */
@@ -10773,7 +10773,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser___pyx_unpickle__Parser__
 
     /* "(tree fragment)":13
  * cdef __pyx_unpickle__Parser__set_state(_Parser __pyx_result, tuple __pyx_state):
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unexpected_part_name = __pyx_state[10]
  *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):             # <<<<<<<<<<<<<<
  *         __pyx_result.__dict__.update(__pyx_state[11])
  */
@@ -10783,7 +10783,7 @@ static PyObject *__pyx_f_19streaming_form_data_7_parser___pyx_unpickle__Parser__
  *         __pyx_unpickle__Parser__set_state(<_Parser> __pyx_result, __pyx_state)
  *     return __pyx_result
  * cdef __pyx_unpickle__Parser__set_state(_Parser __pyx_result, tuple __pyx_state):             # <<<<<<<<<<<<<<
- *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unknown_part = __pyx_state[10]
+ *     __pyx_result._leftover_buffer = __pyx_state[0]; __pyx_result.active_part = __pyx_state[1]; __pyx_result.default_part = __pyx_state[2]; __pyx_result.delimiter_finder = __pyx_state[3]; __pyx_result.delimiter_length = __pyx_state[4]; __pyx_result.ender_finder = __pyx_state[5]; __pyx_result.ender_length = __pyx_state[6]; __pyx_result.expected_parts = __pyx_state[7]; __pyx_result.state = __pyx_state[8]; __pyx_result.strict = __pyx_state[9]; __pyx_result.unexpected_part_name = __pyx_state[10]
  *     if len(__pyx_state) > 11 and hasattr(__pyx_result, '__dict__'):
  */
 
@@ -12650,7 +12650,7 @@ static PyObject *__pyx_tp_new_19streaming_form_data_7_parser__Parser(PyTypeObjec
   p->active_part = Py_None; Py_INCREF(Py_None);
   p->default_part = Py_None; Py_INCREF(Py_None);
   p->_leftover_buffer = ((PyObject*)Py_None); Py_INCREF(Py_None);
-  p->unknown_part = ((PyObject*)Py_None); Py_INCREF(Py_None);
+  p->unexpected_part_name = ((PyObject*)Py_None); Py_INCREF(Py_None);
   return o;
 }
 
@@ -12668,7 +12668,7 @@ static void __pyx_tp_dealloc_19streaming_form_data_7_parser__Parser(PyObject *o)
   Py_CLEAR(p->active_part);
   Py_CLEAR(p->default_part);
   Py_CLEAR(p->_leftover_buffer);
-  Py_CLEAR(p->unknown_part);
+  Py_CLEAR(p->unexpected_part_name);
   (*Py_TYPE(o)->tp_free)(o);
 }
 
@@ -12714,16 +12714,16 @@ static int __pyx_tp_clear_19streaming_form_data_7_parser__Parser(PyObject *o) {
   return 0;
 }
 
-static PyObject *__pyx_getprop_19streaming_form_data_7_parser_7_Parser_unknown_part(PyObject *o, CYTHON_UNUSED void *x) {
-  return __pyx_pw_19streaming_form_data_7_parser_7_Parser_12unknown_part_1__get__(o);
+static PyObject *__pyx_getprop_19streaming_form_data_7_parser_7_Parser_unexpected_part_name(PyObject *o, CYTHON_UNUSED void *x) {
+  return __pyx_pw_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_1__get__(o);
 }
 
-static int __pyx_setprop_19streaming_form_data_7_parser_7_Parser_unknown_part(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
+static int __pyx_setprop_19streaming_form_data_7_parser_7_Parser_unexpected_part_name(PyObject *o, PyObject *v, CYTHON_UNUSED void *x) {
   if (v) {
-    return __pyx_pw_19streaming_form_data_7_parser_7_Parser_12unknown_part_3__set__(o, v);
+    return __pyx_pw_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_3__set__(o, v);
   }
   else {
-    return __pyx_pw_19streaming_form_data_7_parser_7_Parser_12unknown_part_5__del__(o);
+    return __pyx_pw_19streaming_form_data_7_parser_7_Parser_20unexpected_part_name_5__del__(o);
   }
 }
 
@@ -12740,7 +12740,7 @@ static PyMethodDef __pyx_methods_19streaming_form_data_7_parser__Parser[] = {
 };
 
 static struct PyGetSetDef __pyx_getsets_19streaming_form_data_7_parser__Parser[] = {
-  {(char *)"unknown_part", __pyx_getprop_19streaming_form_data_7_parser_7_Parser_unknown_part, __pyx_setprop_19streaming_form_data_7_parser_7_Parser_unknown_part, (char *)0, 0},
+  {(char *)"unexpected_part_name", __pyx_getprop_19streaming_form_data_7_parser_7_Parser_unexpected_part_name, __pyx_setprop_19streaming_form_data_7_parser_7_Parser_unexpected_part_name, (char *)0, 0},
   {0, 0, 0, 0, 0}
 };
 
@@ -13018,8 +13018,8 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s_Pyx_EnumBase___new, __pyx_k_Pyx_EnumBase___new, sizeof(__pyx_k_Pyx_EnumBase___new), 0, 0, 1, 1},
   {&__pyx_n_s_Pyx_EnumBase___repr, __pyx_k_Pyx_EnumBase___repr, sizeof(__pyx_k_Pyx_EnumBase___repr), 0, 0, 1, 1},
   {&__pyx_n_s_Pyx_EnumBase___str, __pyx_k_Pyx_EnumBase___str, sizeof(__pyx_k_Pyx_EnumBase___str), 0, 0, 1, 1},
+  {&__pyx_n_s_UnexpectedPart, __pyx_k_UnexpectedPart, sizeof(__pyx_k_UnexpectedPart), 0, 0, 1, 1},
   {&__pyx_kp_s_Unknown_enum_value_s, __pyx_k_Unknown_enum_value_s, sizeof(__pyx_k_Unknown_enum_value_s), 0, 0, 1, 0},
-  {&__pyx_n_s_UnregisteredPart, __pyx_k_UnregisteredPart, sizeof(__pyx_k_UnregisteredPart), 0, 0, 1, 1},
   {&__pyx_n_s_ValueError, __pyx_k_ValueError, sizeof(__pyx_k_ValueError), 0, 0, 1, 1},
   {&__pyx_kp_u__2, __pyx_k__2, sizeof(__pyx_k__2), 0, 1, 0, 0},
   {&__pyx_kp_b__3, __pyx_k__3, sizeof(__pyx_k__3), 0, 0, 0, 0},
@@ -13150,7 +13150,7 @@ static CYTHON_SMALL_CODE int __Pyx_InitCachedConstants(void) {
   __pyx_tuple__5 = PyTuple_Pack(3, __pyx_int_248083859, __pyx_int_121382421, __pyx_int_12740226); if (unlikely(!__pyx_tuple__5)) __PYX_ERR(1, 4, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_tuple__5);
   __Pyx_GIVEREF(__pyx_tuple__5);
-  __pyx_tuple__6 = PyTuple_Pack(3, __pyx_int_65286094, __pyx_int_213341515, __pyx_int_132205208); if (unlikely(!__pyx_tuple__6)) __PYX_ERR(1, 4, __pyx_L1_error)
+  __pyx_tuple__6 = PyTuple_Pack(3, __pyx_int_129688504, __pyx_int_69775237, __pyx_int_183600964); if (unlikely(!__pyx_tuple__6)) __PYX_ERR(1, 4, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_tuple__6);
   __Pyx_GIVEREF(__pyx_tuple__6);
   __pyx_tuple__7 = PyTuple_Pack(3, __pyx_int_222419149, __pyx_int_238750788, __pyx_int_228825662); if (unlikely(!__pyx_tuple__7)) __PYX_ERR(1, 4, __pyx_L1_error)
@@ -13237,10 +13237,10 @@ static CYTHON_SMALL_CODE int __Pyx_InitGlobals(void) {
   __pyx_int_12740226 = PyInt_FromLong(12740226L); if (unlikely(!__pyx_int_12740226)) __PYX_ERR(0, 1, __pyx_L1_error)
   __pyx_int_12977755 = PyInt_FromLong(12977755L); if (unlikely(!__pyx_int_12977755)) __PYX_ERR(0, 1, __pyx_L1_error)
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-  __pyx_int_65286094 = PyInt_FromLong(65286094L); if (unlikely(!__pyx_int_65286094)) __PYX_ERR(0, 1, __pyx_L1_error)
+  __pyx_int_69775237 = PyInt_FromLong(69775237L); if (unlikely(!__pyx_int_69775237)) __PYX_ERR(0, 1, __pyx_L1_error)
   __pyx_int_121382421 = PyInt_FromLong(121382421L); if (unlikely(!__pyx_int_121382421)) __PYX_ERR(0, 1, __pyx_L1_error)
-  __pyx_int_132205208 = PyInt_FromLong(132205208L); if (unlikely(!__pyx_int_132205208)) __PYX_ERR(0, 1, __pyx_L1_error)
-  __pyx_int_213341515 = PyInt_FromLong(213341515L); if (unlikely(!__pyx_int_213341515)) __PYX_ERR(0, 1, __pyx_L1_error)
+  __pyx_int_129688504 = PyInt_FromLong(129688504L); if (unlikely(!__pyx_int_129688504)) __PYX_ERR(0, 1, __pyx_L1_error)
+  __pyx_int_183600964 = PyInt_FromLong(183600964L); if (unlikely(!__pyx_int_183600964)) __PYX_ERR(0, 1, __pyx_L1_error)
   __pyx_int_222419149 = PyInt_FromLong(222419149L); if (unlikely(!__pyx_int_222419149)) __PYX_ERR(0, 1, __pyx_L1_error)
   __pyx_int_228825662 = PyInt_FromLong(228825662L); if (unlikely(!__pyx_int_228825662)) __PYX_ERR(0, 1, __pyx_L1_error)
   __pyx_int_238750788 = PyInt_FromLong(238750788L); if (unlikely(!__pyx_int_238750788)) __PYX_ERR(0, 1, __pyx_L1_error)
@@ -13961,7 +13961,7 @@ if (!__Pyx_RefNanny) {
  *         ('Internal', Internal),
  *         ('Delimiting', Delimiting),             # <<<<<<<<<<<<<<
  *         ('PartHeaders', PartHeaders),
- *         ('UnregisteredPart', UnregisteredPart),
+ *         ('UnexpectedPart', UnexpectedPart),
  */
     __pyx_t_2 = __Pyx_PyInt_From_enum____pyx_t_19streaming_form_data_7_parser_ErrorGroup(__pyx_e_19streaming_form_data_7_parser_Delimiting); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 55, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
@@ -13978,7 +13978,7 @@ if (!__Pyx_RefNanny) {
  *         ('Internal', Internal),
  *         ('Delimiting', Delimiting),
  *         ('PartHeaders', PartHeaders),             # <<<<<<<<<<<<<<
- *         ('UnregisteredPart', UnregisteredPart),
+ *         ('UnexpectedPart', UnexpectedPart),
  *     ]))
  */
     __pyx_t_2 = __Pyx_PyInt_From_enum____pyx_t_19streaming_form_data_7_parser_ErrorGroup(__pyx_e_19streaming_form_data_7_parser_PartHeaders); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 56, __pyx_L1_error)
@@ -13995,17 +13995,17 @@ if (!__Pyx_RefNanny) {
     /* "EnumType":57
  *         ('Delimiting', Delimiting),
  *         ('PartHeaders', PartHeaders),
- *         ('UnregisteredPart', UnregisteredPart),             # <<<<<<<<<<<<<<
+ *         ('UnexpectedPart', UnexpectedPart),             # <<<<<<<<<<<<<<
  *     ]))
  *     __Pyx_globals['Internal'] = ErrorGroup.Internal
  */
-    __pyx_t_2 = __Pyx_PyInt_From_enum____pyx_t_19streaming_form_data_7_parser_ErrorGroup(__pyx_e_19streaming_form_data_7_parser_UnregisteredPart); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 57, __pyx_L1_error)
+    __pyx_t_2 = __Pyx_PyInt_From_enum____pyx_t_19streaming_form_data_7_parser_ErrorGroup(__pyx_e_19streaming_form_data_7_parser_UnexpectedPart); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 57, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
     __pyx_t_6 = PyTuple_New(2); if (unlikely(!__pyx_t_6)) __PYX_ERR(1, 57, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_6);
-    __Pyx_INCREF(__pyx_n_s_UnregisteredPart);
-    __Pyx_GIVEREF(__pyx_n_s_UnregisteredPart);
-    PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_n_s_UnregisteredPart);
+    __Pyx_INCREF(__pyx_n_s_UnexpectedPart);
+    __Pyx_GIVEREF(__pyx_n_s_UnexpectedPart);
+    PyTuple_SET_ITEM(__pyx_t_6, 0, __pyx_n_s_UnexpectedPart);
     __Pyx_GIVEREF(__pyx_t_2);
     PyTuple_SET_ITEM(__pyx_t_6, 1, __pyx_t_2);
     __pyx_t_2 = 0;
@@ -14049,7 +14049,7 @@ if (!__Pyx_RefNanny) {
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
     /* "EnumType":59
- *         ('UnregisteredPart', UnregisteredPart),
+ *         ('UnexpectedPart', UnexpectedPart),
  *     ]))
  *     __Pyx_globals['Internal'] = ErrorGroup.Internal             # <<<<<<<<<<<<<<
  *     __Pyx_globals['Delimiting'] = ErrorGroup.Delimiting
@@ -14072,7 +14072,7 @@ if (!__Pyx_RefNanny) {
  *     __Pyx_globals['Internal'] = ErrorGroup.Internal
  *     __Pyx_globals['Delimiting'] = ErrorGroup.Delimiting             # <<<<<<<<<<<<<<
  *     __Pyx_globals['PartHeaders'] = ErrorGroup.PartHeaders
- *     __Pyx_globals['UnregisteredPart'] = ErrorGroup.UnregisteredPart
+ *     __Pyx_globals['UnexpectedPart'] = ErrorGroup.UnexpectedPart
  */
     __Pyx_GetModuleGlobalName(__pyx_t_2, __pyx_n_s_ErrorGroup); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 60, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
@@ -14090,7 +14090,7 @@ if (!__Pyx_RefNanny) {
  *     __Pyx_globals['Internal'] = ErrorGroup.Internal
  *     __Pyx_globals['Delimiting'] = ErrorGroup.Delimiting
  *     __Pyx_globals['PartHeaders'] = ErrorGroup.PartHeaders             # <<<<<<<<<<<<<<
- *     __Pyx_globals['UnregisteredPart'] = ErrorGroup.UnregisteredPart
+ *     __Pyx_globals['UnexpectedPart'] = ErrorGroup.UnexpectedPart
  * else:
  */
     __Pyx_GetModuleGlobalName(__pyx_t_6, __pyx_n_s_ErrorGroup); if (unlikely(!__pyx_t_6)) __PYX_ERR(1, 61, __pyx_L1_error)
@@ -14108,20 +14108,20 @@ if (!__Pyx_RefNanny) {
     /* "EnumType":62
  *     __Pyx_globals['Delimiting'] = ErrorGroup.Delimiting
  *     __Pyx_globals['PartHeaders'] = ErrorGroup.PartHeaders
- *     __Pyx_globals['UnregisteredPart'] = ErrorGroup.UnregisteredPart             # <<<<<<<<<<<<<<
+ *     __Pyx_globals['UnexpectedPart'] = ErrorGroup.UnexpectedPart             # <<<<<<<<<<<<<<
  * else:
  *     class ErrorGroup(__Pyx_EnumBase):
  */
     __Pyx_GetModuleGlobalName(__pyx_t_2, __pyx_n_s_ErrorGroup); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 62, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
-    __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_UnregisteredPart); if (unlikely(!__pyx_t_6)) __PYX_ERR(1, 62, __pyx_L1_error)
+    __pyx_t_6 = __Pyx_PyObject_GetAttrStr(__pyx_t_2, __pyx_n_s_UnexpectedPart); if (unlikely(!__pyx_t_6)) __PYX_ERR(1, 62, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_6);
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
     if (unlikely(__Pyx_globals == Py_None)) {
       PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
       __PYX_ERR(1, 62, __pyx_L1_error)
     }
-    if (unlikely(PyDict_SetItem(__Pyx_globals, __pyx_n_s_UnregisteredPart, __pyx_t_6) < 0)) __PYX_ERR(1, 62, __pyx_L1_error)
+    if (unlikely(PyDict_SetItem(__Pyx_globals, __pyx_n_s_UnexpectedPart, __pyx_t_6) < 0)) __PYX_ERR(1, 62, __pyx_L1_error)
     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
     /* "EnumType":51
@@ -14135,7 +14135,7 @@ if (!__Pyx_RefNanny) {
   }
 
   /* "EnumType":64
- *     __Pyx_globals['UnregisteredPart'] = ErrorGroup.UnregisteredPart
+ *     __Pyx_globals['UnexpectedPart'] = ErrorGroup.UnexpectedPart
  * else:
  *     class ErrorGroup(__Pyx_EnumBase):             # <<<<<<<<<<<<<<
  *         pass
@@ -14194,7 +14194,7 @@ if (!__Pyx_RefNanny) {
  *     __Pyx_globals['Internal'] = ErrorGroup(Internal, 'Internal')
  *     __Pyx_globals['Delimiting'] = ErrorGroup(Delimiting, 'Delimiting')             # <<<<<<<<<<<<<<
  *     __Pyx_globals['PartHeaders'] = ErrorGroup(PartHeaders, 'PartHeaders')
- *     __Pyx_globals['UnregisteredPart'] = ErrorGroup(UnregisteredPart, 'UnregisteredPart')
+ *     __Pyx_globals['UnexpectedPart'] = ErrorGroup(UnexpectedPart, 'UnexpectedPart')
  */
     __Pyx_GetModuleGlobalName(__pyx_t_2, __pyx_n_s_ErrorGroup); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 67, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
@@ -14223,7 +14223,7 @@ if (!__Pyx_RefNanny) {
  *     __Pyx_globals['Internal'] = ErrorGroup(Internal, 'Internal')
  *     __Pyx_globals['Delimiting'] = ErrorGroup(Delimiting, 'Delimiting')
  *     __Pyx_globals['PartHeaders'] = ErrorGroup(PartHeaders, 'PartHeaders')             # <<<<<<<<<<<<<<
- *     __Pyx_globals['UnregisteredPart'] = ErrorGroup(UnregisteredPart, 'UnregisteredPart')
+ *     __Pyx_globals['UnexpectedPart'] = ErrorGroup(UnexpectedPart, 'UnexpectedPart')
  * 
  */
     __Pyx_GetModuleGlobalName(__pyx_t_5, __pyx_n_s_ErrorGroup); if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 68, __pyx_L1_error)
@@ -14252,20 +14252,20 @@ if (!__Pyx_RefNanny) {
     /* "EnumType":69
  *     __Pyx_globals['Delimiting'] = ErrorGroup(Delimiting, 'Delimiting')
  *     __Pyx_globals['PartHeaders'] = ErrorGroup(PartHeaders, 'PartHeaders')
- *     __Pyx_globals['UnregisteredPart'] = ErrorGroup(UnregisteredPart, 'UnregisteredPart')             # <<<<<<<<<<<<<<
+ *     __Pyx_globals['UnexpectedPart'] = ErrorGroup(UnexpectedPart, 'UnexpectedPart')             # <<<<<<<<<<<<<<
  * 
  */
     __Pyx_GetModuleGlobalName(__pyx_t_6, __pyx_n_s_ErrorGroup); if (unlikely(!__pyx_t_6)) __PYX_ERR(1, 69, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_6);
-    __pyx_t_2 = __Pyx_PyInt_From_enum____pyx_t_19streaming_form_data_7_parser_ErrorGroup(__pyx_e_19streaming_form_data_7_parser_UnregisteredPart); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 69, __pyx_L1_error)
+    __pyx_t_2 = __Pyx_PyInt_From_enum____pyx_t_19streaming_form_data_7_parser_ErrorGroup(__pyx_e_19streaming_form_data_7_parser_UnexpectedPart); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 69, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
     __pyx_t_5 = PyTuple_New(2); if (unlikely(!__pyx_t_5)) __PYX_ERR(1, 69, __pyx_L1_error)
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     __Pyx_GIVEREF(__pyx_t_2);
     PyTuple_SET_ITEM(__pyx_t_5, 0, __pyx_t_2);
-    __Pyx_INCREF(__pyx_n_s_UnregisteredPart);
-    __Pyx_GIVEREF(__pyx_n_s_UnregisteredPart);
-    PyTuple_SET_ITEM(__pyx_t_5, 1, __pyx_n_s_UnregisteredPart);
+    __Pyx_INCREF(__pyx_n_s_UnexpectedPart);
+    __Pyx_GIVEREF(__pyx_n_s_UnexpectedPart);
+    PyTuple_SET_ITEM(__pyx_t_5, 1, __pyx_n_s_UnexpectedPart);
     __pyx_t_2 = 0;
     __pyx_t_2 = __Pyx_PyObject_Call(__pyx_t_6, __pyx_t_5, NULL); if (unlikely(!__pyx_t_2)) __PYX_ERR(1, 69, __pyx_L1_error)
     __Pyx_GOTREF(__pyx_t_2);
@@ -14275,7 +14275,7 @@ if (!__Pyx_RefNanny) {
       PyErr_SetString(PyExc_TypeError, "'NoneType' object is not subscriptable");
       __PYX_ERR(1, 69, __pyx_L1_error)
     }
-    if (unlikely(PyDict_SetItem(__Pyx_globals, __pyx_n_s_UnregisteredPart, __pyx_t_2) < 0)) __PYX_ERR(1, 69, __pyx_L1_error)
+    if (unlikely(PyDict_SetItem(__Pyx_globals, __pyx_n_s_UnexpectedPart, __pyx_t_2) < 0)) __PYX_ERR(1, 69, __pyx_L1_error)
     __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
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   __pyx_L4:;
diff --git a/streaming_form_data/_parser.pyx b/streaming_form_data/_parser.pyx
index 6d46af64..afaf53fe 100644
--- a/streaming_form_data/_parser.pyx
+++ b/streaming_form_data/_parser.pyx
@@ -29,7 +29,7 @@ cpdef enum ErrorGroup:
     Internal = 100
     Delimiting = 200
     PartHeaders = 300
-    UnregisteredPart = 400
+    UnexpectedPart = 400
 
 
 cdef class Finder:
@@ -156,7 +156,7 @@ cdef class _Parser:
     cdef bytes _leftover_buffer
 
     cdef bint strict
-    cdef public str unknown_part
+    cdef public str unexpected_part_name
 
     def __init__(self, bytes delimiter, bytes ender, bint strict):
         self.delimiter_finder = Finder(delimiter)
@@ -175,7 +175,7 @@ cdef class _Parser:
         self._leftover_buffer = None
 
         self.strict = strict
-        self.unknown_part = ''
+        self.unexpected_part_name = ''
 
     def register(self, str name, object target):
         part = self._part_for(name)
@@ -300,9 +300,9 @@ cdef class _Parser:
                         if part is None:
                             part = self.default_part
                             if self.strict:
-                                self.unknown_part = name
+                                self.unexpected_part_name = name
                                 self.mark_error()
-                                return ErrorGroup.UnregisteredPart
+                                return ErrorGroup.UnexpectedPart
 
                         self.set_active_part(part, params.get('filename'))
                 elif 'content-type' in message:
diff --git a/streaming_form_data/parser.py b/streaming_form_data/parser.py
index 5b2ce0eb..4c17bd98 100644
--- a/streaming_form_data/parser.py
+++ b/streaming_form_data/parser.py
@@ -8,7 +8,8 @@
 class ParseFailedException(Exception):
     pass
 
-class UnregisteredPartException(ParseFailedException):
+
+class UnexpectedPartException(ParseFailedException):
     def __init__(self, message, part_name):
         super().__init__(message)
         self.part_name = part_name
@@ -70,12 +71,13 @@ def data_received(self, data: bytes):
                 message = "internal errors"
             elif ErrorGroup.Delimiting <= result < ErrorGroup.PartHeaders:
                 message = "delimiting multipart stream into parts"
-            elif ErrorGroup.PartHeaders <= result < ErrorGroup.UnregisteredPart:
+            elif ErrorGroup.PartHeaders <= result < ErrorGroup.UnexpectedPart:
                 message = "parsing specific part headers"
-            elif ErrorGroup.UnregisteredPart <= result:
-                raise UnregisteredPartException(
-                        f"parsing unregistered part '{self._parser.unknown_part}' in strict mode",
-                        self._parser.unknown_part)
+            elif ErrorGroup.UnexpectedPart == result:
+                part = self._parser.unexpected_part_name
+                raise UnexpectedPartException(
+                    f"parsing unexpected part '{part}' in strict mode", part
+                )
 
             raise ParseFailedException(
                 "_parser.data_received failed with {}".format(message)

From af2dbcdf02af16941bec3b43173d423cc636b0dc Mon Sep 17 00:00:00 2001
From: burak <busul@gams.com>
Date: Wed, 13 Sep 2023 02:51:16 +0200
Subject: [PATCH 3/3] add tests and docs for strict mode

---
 docs/index.rst           | 34 +++++++++++++++++++++++++++++++---
 tests/test_exceptions.py | 17 +++++++++++++++++
 2 files changed, 48 insertions(+), 3 deletions(-)

diff --git a/docs/index.rst b/docs/index.rst
index 93e89f07..c88f96ce 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -61,6 +61,11 @@ The :code:`StreamingFormDataParser` class expects a dictionary of HTTP request
 headers when being instantiated. These headers are used to determine the input
 :code:`Content-Type` and a few other metadata.
 
+Optionally, you can enable strict mode in the parser by setting the :code:`strict`
+keyword argument to :code:`True`. In strict mode, the parser throws
+:code:`UnexpectedPartException` if it starts to parse a field whose name has not
+been registered. When not in strict mode, unexpected parts are silently ignored.
+
 2. Input Registration
 ~~~~~~~~~~~~~~~~~~~~~
 
@@ -118,9 +123,10 @@ API
 :code:`StreamingFormDataParser`
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-This class is the main entry point, and expects a dictionary of HTTP request
-:code:`headers`. These headers are used to determine the input
-:code:`Content-Type` and a few other metadata.
+This class is the main entry point. It expects a dictionary of HTTP request
+:code:`headers` and has a keyword argument :code:`strict`. The headers are used
+to determine the input :code:`Content-Type` and a few other metadata. The strict
+flag is used to enable or disable the strict mode.
 
 :code:`Target` classes
 ~~~~~~~~~~~~~~~~~~~~~~
@@ -225,6 +231,28 @@ snippet.
     >>> target = ValueTarget(validator=MaxSizeValidator(100))
 
 
+Exceptions
+~~~~~~~~~~
+
+:code:`ParseFailedException`
+````````````````````````````
+This exception is the base class of the :code:`streaming_form_data` exceptions.
+It can be raised during initialization, registering parts or reading chunks.
+
+:code:`UnexpectedPartException`
+```````````````````````````````
+This exception is raised when the parser is in strict mode and starts to parse
+an unexpected part. It contains :code:`part_name` attribute to check the name of
+the unexpected part. In can only be raised from :code:`data_received`.
+
+.. code-block:: python
+    >>> try:
+    >>>    parser.data_received(chunk)
+    >>> except streaming_form_data.parser.UnexpectedPartException as e:
+    >>>    print(e.part_name)
+    >>>    raise
+
+
 Examples
 --------
 
diff --git a/tests/test_exceptions.py b/tests/test_exceptions.py
index c50c62c5..0e608fd2 100644
--- a/tests/test_exceptions.py
+++ b/tests/test_exceptions.py
@@ -4,6 +4,7 @@
 
 from streaming_form_data import StreamingFormDataParser
 from streaming_form_data.targets import ValueTarget
+from streaming_form_data.parser import UnexpectedPartException
 
 
 class CustomTarget(ValueTarget):
@@ -23,3 +24,19 @@ def test_custom_target_exception():
 
     with pytest.raises(ValueError):
         parser.data_received(data)
+
+
+def test_unexpected_part_exception():
+    target = ValueTarget()
+
+    encoder = MultipartEncoder(fields={"value": "hello world", "extra": "field"})
+
+    parser = StreamingFormDataParser(
+        headers={"Content-Type": encoder.content_type}, strict=True
+    )
+    parser.register("value", target)
+
+    data = encoder.to_string()
+
+    with pytest.raises(UnexpectedPartException):
+        parser.data_received(data)