Files
scripts/cleaners/clean-halifax-actual.py
2026-03-08 14:54:52 +00:00

98 lines
2.7 KiB
Python
Executable File

#!/usr/bin/env python3
import csv
from decimal import Decimal, InvalidOperation
from pathlib import Path
import sys
RAW_DIR = Path("~/master-folder/attachments/bank-statements/halifax/raw").expanduser()
CLEANED_DIR = Path("~/master-folder/attachments/bank-statements/halifax/cleaned").expanduser()
def convert(in_path: Path, out_path: Path):
with open(in_path, newline="", encoding="utf-8-sig") as f_in, \
open(out_path, "w", newline="", encoding="utf-8") as f_out:
reader = csv.DictReader(f_in)
fieldnames = ["Date", "Payee", "Description", "Amount"]
writer = csv.DictWriter(f_out, fieldnames=fieldnames)
writer.writeheader()
for row in reader:
if not row:
continue
date = (row.get("Transaction Date") or "").strip()
if not date:
continue
desc = (row.get("Transaction Description") or "").strip()
payee = desc or (row.get("Transaction Type") or "").strip()
debit_str = (row.get("Debit Amount") or "").replace(",", "").strip()
credit_str = (row.get("Credit Amount") or "").replace(",", "").strip()
amount = None
if debit_str:
try:
amount = -Decimal(debit_str)
except InvalidOperation:
continue
elif credit_str:
try:
amount = Decimal(credit_str)
except InvalidOperation:
continue
if amount is None:
continue
writer.writerow({
"Date": date,
"Payee": payee,
"Description": desc,
"Amount": f"{amount:.2f}",
})
def select_file(files: list[Path]) -> Path:
print("\nSelect a Halifax CSV to clean:\n")
for i, f in enumerate(files, start=1):
print(f"[{i}] {f.name}")
try:
choice = int(input("\nEnter number: ").strip())
return files[choice - 1]
except (ValueError, IndexError):
print("Invalid selection.")
sys.exit(1)
def main():
if not RAW_DIR.exists():
print(f"Raw directory does not exist: {RAW_DIR}")
sys.exit(1)
CLEANED_DIR.mkdir(parents=True, exist_ok=True)
csv_files = sorted(RAW_DIR.glob("*.csv"))
if not csv_files:
print("No CSV files found in raw directory.")
sys.exit(0)
in_path = select_file(csv_files)
out_name = f"{in_path.stem}-cleaned.csv"
out_path = CLEANED_DIR / out_name
convert(in_path, out_path)
print(f"\n✔ Written cleaned file to:\n{out_path}\n")
if __name__ == "__main__":
main()