Add bank statement analyzer with automatic work storage

app/modules/bank_statement_analyzer/parsers/common.py

@@ -0,0 +1,20 @@
+from __future__ import annotations
+import re
+from .base import amount, norm
+
+def find(pattern,text,group=1,flags=re.I|re.M):
+    m=re.search(pattern,text,flags)
+    return norm(m.group(group)) if m else ''
+
+def date_iso(s):
+    import pandas as pd
+    x=pd.to_datetime(s,errors='coerce',dayfirst=True)
+    return '' if pd.isna(x) else x.strftime('%Y-%m-%d')
+
+def split_pages(text): return text.split('\f')
+
+def infer_mode(n):
+    u=(n or '').upper()
+    for k,v in [('UPI','UPI'),('NEFT','NEFT'),('IMPS','IMPS'),('RTGS','RTGS'),('CASH DEPOSIT','Cash Deposit'),('CASH WITHDRAWAL','Cash Withdrawal'),('ATM','ATM'),('CHEQUE','Cheque'),('CHQ','Cheque'),('POS','POS'),('EDC','Card Settlement'),('ACH','ACH')]:
+        if k in u:return v
+    return 'Other'