new files for beancount 3

importers/csvbank.py

@@ -0,0 +1,35 @@
+import os
+from beangulp import mimetypes
+from beangulp.importers import csvbase
+from beangulp.testing import main as testing_main
+
+class Importer(csvbase.Importer):
+    # TODO Deutscher CSV header überprüfen: Posting Date ; Description ; Note ; Amount, Balance
+    date = csvbase.Date('Posting Date', '%Y-%m-%d') # ! date-Format anpassen
+    narration = csvbase.Columns('Description', 'Note', sep='; ')
+    amount = csvbase.Amount('Amount')
+    balance = csvbase.Amount('Balance')
+
+""" Date,Posting Date,Description,Note,Amount,Balance
+2025-08-01,2025-08-01,Grocery Store,, -54.20,1245.80
+2025-08-03,2025-08-03,Salary,, 2500.00,3745.80
+ """
+
+    def identify(self, filepath):
+        mimetype, _ = mimetypes.guess_type(filepath)
+        if mimetype != 'text/csv':
+            return false
+        
+        with open(filepath, encoding='utf-8') as f:
+            header = f.readline()
+        # ! TODO
+        return header.startswith('Date, Posting Date, Description, Amount')
+
+    def filename(self, filepath):
+        name = os.path.basename(filepath)
+        return f'csvbank.{name}'
+    
+    # ? Testing
+    __name__ '__main__':
+    # Test-Runner und CLI
+    testing_main(Importer('Assets:Bank:Checking', 'EUR'))