poloniex2bitcointax.py

"""Click script to handle exports from the crypto-only exchange, Poloniex."""
import csv
import click


@click.command()
@click.argument(
    'loan_export',
    type=click.File('rt'),
)
@click.argument(
    'taxes_export',
    type=click.File('wt'),
)
def loans2taxes(loan_export, taxes_export):
    """Convert Poloniex export to bitcoin.tax compatible csv."""
    loan_reader = csv.DictReader(loan_export)

    tax_writer = csv.writer(
        taxes_export,
    )

    tax_writer.writerow(['Date', 'Action', 'Memo', 'Source', 'Symbol', 'Volume'])
    for row in loan_reader:
        tax_writer.writerow([
            row['Close'],
            'INCOME',
            '{volume} {symbol} @ {rate:.2f}% on {date}'.format(
                volume=row['Amount'],
                symbol=row['Currency'],
                rate=float(row['Rate']) * 100,
                date=row['Open'],
            ),
            'Poloniex Lending',
            row['Currency'],
            row['Earned'],  # TODO: eventually smartlend will take a fee
        ])

if __name__ == '__main__':
    loans2taxes()