iconfig in CSV Importer categorizer call

beangulp/importers/csv.py

@@ -215,7 +215,7 @@ def __init__(self, config, account, currency,
           regexps: A list of regular expression strings.
           skip_lines: Skip first x (garbage) lines of file.
           last4_map: A dict that maps last 4 digits of the card to a friendly string.
-          categorizer: A callable with two arguments (transaction, row) that can attach
+          categorizer: A callable with 3 args (transaction, row, iconfig) that can attach
             the other posting (usually expenses) to a transaction with only single posting.
           institution: An optional name of an institution to rename the files to.
           debug: Whether or not to print debug information
@@ -377,7 +377,7 @@ def get(row, ftype):
                         data.Posting(account, units, None, None, None, None))
 
                 # Attach the other posting(s) to the transaction.
-                txn = self.call_categorizer(txn, row)
+                txn = self.call_categorizer(txn, row, iconfig)
 
                 # Add the transaction to the output list
                 entries.append(txn)
@@ -411,7 +411,7 @@ def get(row, ftype):
 
         return entries
 
-    def call_categorizer(self, txn, row):
+    def call_categorizer(self, txn, row, iconfig):
         if not isinstance(self.categorizer, collections.abc.Callable):
             return txn
 
@@ -420,7 +420,9 @@ def call_categorizer(self, txn, row):
         params = signature(self.categorizer).parameters
         if len(params) < 2:
             return self.categorizer(txn)
-        return self.categorizer(txn, row)
+        elif len(params) < 3:
+            return self.categorizer(txn, row)
+        return self.categorizer(txn, row, iconfig)
 
     def parse_amount(self, string):
         """The method used to create Decimal instances. You can override this."""

beangulp/importers/csv_test.py

@@ -490,6 +490,39 @@ def categorizer(txn, row):
             Assets:Bank  -25.00 EUR
         """, entries)
 
+    @test_utils.docfile
+    def test_categorizer_three_arguments(self, filename):
+        """\
+          Date,Amount,Payee,Description
+          6/2/2020,30.00,"Payee here","Description"
+          7/2/2020,-25.00,"Supermarket","Groceries"
+        """
+        def categorizer(txn, row, iconfig):
+            txn = txn._replace(payee=row[iconfig[Col.PAYEE]])
+            txn.meta['source'] = pformat(row)
+            return txn
+
+        importer = csv.CSVImporter({Col.DATE: 'Date',
+                                    Col.NARRATION: 'Description',
+                                    Col.PAYEE: 'Payee',
+                                    Col.AMOUNT: 'Amount'},
+                                   'Assets:Bank',
+                                   'EUR',
+                                   ('Date,Amount,Payee,Description'),
+                                   categorizer=categorizer,
+                                   institution='foobar')
+        entries = importer.extract(filename)
+        self.assertEqualEntries(r"""
+
+          2020-06-02 * "Payee here" "Description"
+            source: "['6/2/2020', '30.00', 'Supermarket', 'Groceries']"
+            Assets:Bank  30.00 EUR
+
+          2020-07-02 * "Supermarket" "Groceries"
+            source: "['7/2/2020', '-25.00', 'Supermarket', 'Groceries']"
+            Assets:Bank  -25.00 EUR
+        """, entries)
+
     @test_utils.docfile
     def test_explict_encoding_utf8(self, filename):
         """\