feat(minor): add deep_identify to ibkr

beancount_reds_importers/importers/ibkr/__init__.py

@@ -117,11 +117,22 @@ class Importer(investments.Importer, xmlreader.Importer):
     def custom_init(self):
         if not self.custom_init_run:
             self.max_rounding_error = 0.04
-            self.filename_pattern_def = "Transaction_report"
+            self.filename_pattern_def = "ibkr"
             self.custom_init_run = True
             self.date_format = '%Y-%m-%d'
             self.get_ticker_info = self.get_ticker_info_from_id
 
+    def deep_identify(self, file):
+        try:
+            if self.config.get('account_number', None):
+                # account number specific matching
+                return self.config['account_number'] == list(self.get_xpath_elements("/FlexQueryResponse/FlexStatements/FlexStatement/AccountInformation"))[0]['accountId']
+            else:
+                # base check: simply ensure this looks like a valid IBKR Flex Query file
+                return list(self.get_xpath_elements("/FlexQueryResponse"))[0] is not None
+        except IndexError:
+            return False
+
     def set_currency(self):
         self.currency = list(self.get_xpath_elements("/FlexQueryResponse/FlexStatements/FlexStatement/AccountInformation"))[0]['currency']
 

beancount_reds_importers/libreader/xmlreader.py

@@ -19,11 +19,11 @@ def initialize_reader(self, file):
             self.file = file
             self.reader_ready = False
             self.xmltree = etree.parse(file.name)
-            self.reader_ready = self.deep_identify()
+            self.reader_ready = self.deep_identify(file)
         if self.reader_ready:
             self.set_currency()
 
-    def deep_identify(self):
+    def deep_identify(self, file):
         """For overriding by institution specific importer which can check if an account name
         matches, and oother such things."""
         return True