Fix import OFX file with linebreak before headers and not ASCII content

ofxparse/ofxparse.py

@@ -88,9 +88,8 @@ def read_headers(self):
         head_data = head_data[:head_data.find(six.b('<'))]
 
         for line in head_data.splitlines():
-            # Newline?
             if line.strip() == six.b(""):
-                break
+                continue
 
             header, value = line.split(six.b(":"))
             header, value = header.strip().upper(), value.strip()

tests/fixtures/linebreak-before-headers-with-non-ascii-content.ofx

@@ -0,0 +1,56 @@
+
+OFXHEADER:100
+DATA:OFXSGML
+VERSION:102
+SECURITY:NONE
+ENCODING:USASCII
+CHARSET:1252
+COMPRESSION:NONE
+OLDFILEUID:NONE
+NEWFILEUID:NONE
+
+<OFX>
+<SIGNONMSGSRSV1>
+<SONRS>
+<STATUS>
+<CODE>0
+<SEVERITY>INFO
+</STATUS>
+<DTSERVER>20240820120000
+<LANGUAGE>POR
+</SONRS>
+</SIGNONMSGSRSV1>
+<BANKMSGSRSV1>
+<STMTTRNRS>
+<TRNUID>1001
+<STATUS>
+<CODE>0
+<SEVERITY>INFO
+</STATUS>
+<STMTRS>
+<CURDEF>BRL
+<BANKACCTFROM>
+<BANKID>0237
+<ACCTID>479984
+<ACCTTYPE>CHECKING
+</BANKACCTFROM>
+<BANKTRANLIST>
+<DTSTART>20240820120000
+<DTEND>20240820120000
+<STMTTRN>
+<TRNTYPE>DEBIT
+<DTPOSTED>20240802120000
+<TRNAMT>2000,00
+<FITID>N10235
+<CHECKNUM>106
+<MEMO>TRANSFERENCIA PIX DES: Laboratório Hacker De 18/10
+</STMTTRN>
+</BANKTRANLIST>
+<LEDGERBAL>
+<BALAMT>2000,00
+<DTASOF>00000000
+</LEDGERBAL>
+</STMTRS>
+</STMTTRNRS>
+</BANKMSGSRSV1>
+</OFX>

tests/test_parse.py

@@ -220,6 +220,11 @@ def testMultipleAccounts(self):
         self.assertEqual('CHECKING', ofx.accounts[0].account_type)
         self.assertEqual('SAVINGS', ofx.accounts[1].account_type)
 
+    def test_file_linebreak_before_headers_with_non_ascii_content(self):
+        with open_file('linebreak-before-headers-with-non-ascii-content.ofx') as ofx_file:
+            ofx = OfxParser.parse(ofx_file)
+        self.assertEqual(len(ofx.account.statement.transactions), 1)
+
 
 class TestStringToDate(TestCase):
     ''' Test the string to date parser '''