flexible encoding when reading comdirect data

src/ingest/comdirect.py

@@ -5,7 +5,6 @@ from pathlib import Path
 from sqlalchemy.orm import Session
 
 from settings import BANK_ACCOUNTS
-from src.db import get_session
 from src.ingest._common import _upsert
 from src.models._common import Csv2Dict, CsV2DictMulti
 from src.models.comdirect import (
@@ -52,10 +51,18 @@ def reader_comdirect(path: Path) -> dict[str, list[ComdirectExportModel]]:
     return result
 
 
+def _open_and_readlines(path: Path, encoding: str) -> list:
+    with path.open("r", encoding=encoding) as fid:
+        lines = fid.readlines()
+    return lines
+
+
 def _reader_raw_comdirect(path: Path) -> CsV2DictMulti:
 
-    with path.open("r", encoding="utf-8") as fid:
-        lines = fid.readlines()
+    try:
+        lines = _open_and_readlines(path, encoding="utf-8")
+    except UnicodeDecodeError:
+        lines = _open_and_readlines(path, encoding="latin-1")
 
     expect_next = EXPECT_LINE.ACCOUNT_NAME
     account_name = None
@@ -123,7 +130,9 @@ def upsert_comdirect_giro(
     )
 
 
-def ingest_comdirect(session: Session, path: Path, account_iban: str, account_currency: str):
+def ingest_comdirect(
+    session: Session, path: Path, account_iban: str, account_currency: str
+):
     assert SOURCE_COMDIRECT
     data_collection = reader_comdirect(path)
     for account_name, data in data_collection.items():