qfxtocsv.py

from ofxparse import OfxParser
import sys
import csv

with open(sys.argv[1]) as f:
    ofx = OfxParser.parse(f)

account = ofx.account
statement = account.statement
institution = account.institution

fields = ['institution', 'account_id', 'amount', 'checknum', 'date', 'id', 'mcc', 'memo', 'payee', 'sic', 'type']
rows = [['institution', 'account_id', 'id', 'date', 'amount', 'type', 'payee', 'memo', 'checknum']]
for tx in statement.transactions:
    row = [
        institution.organization,
        account.account_id,
        tx.id,
        str(tx.date),
        tx.amount,
        tx.type,
        tx.payee,
        tx.memo,
        tx.checknum,
      ]
    rows.append(row)
    print(row)

with open(sys.argv[2], 'w') as f:
    w = csv.writer(f)
    w.writerows(rows)