ofx-processor/ofx_processor/revolut_processor/main.py

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import csv
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from collections import defaultdict
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import click
import dateparser
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from ofx_processor.utils import ynab
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@click.command(help="Process Revolut bank statement (CSV)")
@click.argument("csv_filename")
def cli(csv_filename):
ynab_transactions = []
transaction_ids = defaultdict(int)
with open(csv_filename) as f:
reader = csv.DictReader(f, delimiter=";")
for line in reader:
ynab_transaction = line_to_ynab_transaction(line, transaction_ids)
ynab_transactions.append(ynab_transaction)
click.secho(f"Processed {len(ynab_transactions)} transactions total.", fg="blue")
ynab.push_transactions(ynab_transactions, "revolut")
def _amount_str_to_float(amount):
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if amount:
return float(amount.replace(",", "."))
return ""
def process_memo(line):
return " - ".join(
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filter(
None,
map(str.strip, [line.get("Category", ""), line.get("Exchange Rate", "")]),
)
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)
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def process_date(line):
return dateparser.parse(line.get("Completed Date")).strftime("%Y-%m-%d")
def _process_inflow(line):
return _amount_str_to_float(line.get("Paid In (EUR)"))
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def _process_outflow(line):
return _amount_str_to_float(line.get("Paid Out (EUR)"))
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def process_amount(line):
outflow = _process_outflow(line)
inflow = _process_inflow(line)
amount = -outflow if outflow else inflow
amount = int(amount * 1000)
return amount
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def line_to_ynab_transaction(line, transaction_ids):
date = process_date(line)
payee = process_payee(line)
memo = process_memo(line)
amount = process_amount(line)
import_id = f"YNAB:{amount}:{date}"
transaction_ids[import_id] += 1
occurrence = transaction_ids[import_id]
import_id = f"{import_id}:{occurrence}"
ynab_transaction = {
"date": date,
"amount": amount,
"payee_name": payee,
"memo": memo,
"import_id": import_id,
}
return ynab_transaction
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def process_payee(line):
payee = line["Reference"]
return payee