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ing2ofx.py
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ing2ofx.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# ing2ofx.py
#
# Copyright 2013,2016 Arie van Dobben <avandobben@gmail.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
The intent of this script is to convert ing (www.ing.nl) csv files to ofx files
that can be read by a program like GnuCash (www.gucash.org).
This script is adapted from pb2ofx.pl Copyright 2008, 2009, 2010 Peter Vermaas,
originally found at http://blog.maashoek.nl/2009/07/gnucash-en-internetbankieren/
which is now dead.
The ofx specification can be downloaded from http://www.ofx.net/
"""
import csv
import argparse
import datetime
import os
import re
""" Read the csv file into a list, which is mapped to ofx fields """
class CsvFile:
def __init__(self, args):
# Mapping of codes to TRNTYPE
codesx = {'GT': 'PAYMENT', 'BA': 'POS', 'GM': 'ATM', 'DV': 'xx',
'OV': 'xx', 'VZ': 'xx', 'IC': 'DIRECTDEBIT', 'ST': 'DIRECTDEP'}
self.transactions = list()
args = args
# Keep track of used IDs to prevent double IDs
idslist = []
with open(args.csvfile, 'rb') as csvfile:
# Open the csvfile as a Dictreader
csvreader = csv.DictReader(csvfile, delimiter=',', quotechar='"')
for row in csvreader:
# Map ACCOUNT to "Rekening"
account = row['Rekening'].replace(" ", "")
# Map the code into ofx TRNTYPE
if row['Code'] in codesx:
if codesx[row['Code']] == 'xx':
if row['Af Bij'] == 'Bij':
trntype = 'CREDIT'
else:
trntype = 'DEBIT'
else:
trntype = codesx[row['Code']]
else:
trntype = 'OTHER'
# The DTPOSTED is in yyyymmdd format, which is compatible with ofx
# If convert_date is true, first convert dd-mm-yyyy to yyyymmdd
if args.convert_date:
datevar = row['Datum'].split('-')
datevar.reverse()
dtposted = ''.join(datevar)
else:
dtposted = row['Datum']
# The TRNAMT needs to be converted to negative if applicable,
# When convert is set, comma decimal separator is replaced with
# dot.
if args.convert:
row['Bedrag (EUR)'] = row['Bedrag (EUR)'].replace(",", ".")
if row['Af Bij'] == 'Bij':
trnamt = row['Bedrag (EUR)']
else:
trnamt = "-" + row['Bedrag (EUR)']
# NAME maps to "Naam / Omschrijving", the while loop removes
# any double spaces.
while row['Naam / Omschrijving'].strip().find(" ") > 0:
row['Naam / Omschrijving'] = row[
'Naam / Omschrijving'].strip().replace(" ", " ")
# Replace & symbol with & to make xml compliant
name = row['Naam / Omschrijving'].replace("&", "&")
# BANKACCTTO maps to "Tegenrekening"
accountto = row['Tegenrekening']
# MEMO maps to "Mededelingen", the while loop removes any
# double spaces.
while row['Mededelingen'].strip().find(" ") > 0:
row['Mededelingen'] = row[
'Mededelingen'].strip().replace(" ", " ")
# Replace & symbol with & to make xml compliant
memo = str(row['Mededelingen']).replace("&", "&")
# Extract time from "Mededelingen"
time = ""
matches = re.search("\s([0-9]{2}:[0-9]{2})\s", memo)
if matches:
time = matches.group(1).replace(":", "")
# the FITID is composed of the bankaccountto, time, date and amount
fitid = accountto + dtposted + time + \
trnamt.replace(",", "").replace("-", "").replace(".", "")
# Check if we already used a certain ID
idcount = 0
uniqueid = fitid
while uniqueid in idslist:
idcount = idcount + 1
uniqueid = fitid + str(idcount)
# Append ID to list with IDs
idslist.append(uniqueid)
self.transactions.append(
{'account': account, 'trntype': trntype, 'dtposted': dtposted,
'trnamt': trnamt, 'fitid': uniqueid, 'name': name, 'accountto': accountto,
'memo': memo})
class OfxWriter:
def __init__(self, args, gui=True):
date = datetime.date.today()
nowdate = str(date.strftime("%Y%m%d"))
args = args
message_header = """
<OFX>
<SIGNONMSGSRSV1>
<SONRS> <!-- Begin signon -->
<STATUS> <!-- Begin status aggregate -->
<CODE>0</CODE> <!-- OK -->
<SEVERITY>INFO</SEVERITY>
</STATUS>
<DTSERVER>%(nowdate)s</DTSERVER> <!-- Oct. 29, 1999, 10:10:03 am -->
<LANGUAGE>ENG</LANGUAGE> <!-- Language used in response -->
<DTPROFUP>%(nowdate)s</DTPROFUP> <!-- Last update to profile-->
<DTACCTUP>%(nowdate)s</DTACCTUP> <!-- Last account update -->
<FI> <!-- ID of receiving institution -->
<ORG>NCH</ORG> <!-- Name of ID owner -->
<FID>1001</FID> <!-- Actual ID -->
</FI>
</SONRS> <!-- End of signon -->
</SIGNONMSGSRSV1>
<BANKMSGSRSV1>
<STMTTRNRS> <!-- Begin response -->
<TRNUID>1001</TRNUID> <!-- Client ID sent in request -->
<STATUS> <!-- Start status aggregate -->
<CODE>0</CODE> <!-- OK -->
<SEVERITY>INFO</SEVERITY>
</STATUS>""" % {"nowdate": nowdate}
# print message_header
# create path to ofxfile
if args.outfile:
filename = args.outfile.replace("csv", "ofx").replace("CSV", "OFX")
else:
csvfile = os.path.basename(args.csvfile)
filename = csvfile.replace("csv", "ofx").replace("CSV", "OFX")
# if directory does not exists, create it.
if not os.path.exists(args.dir):
if not os.path.exists(os.path.join(os.getcwd(), args.dir)):
os.makedirs(os.path.join(os.getcwd(), args.dir))
args.dir = os.path.join(os.getcwd(), args.dir)
filepath = os.path.join(args.dir, filename)
# Initiate a csv object that contains all the data in a set.
csv = CsvFile(args)
# Determine unique accounts and start and end dates
accounts = set()
mindate = 999999999
maxdate = 0
for trns in csv.transactions:
accounts.add(trns['account'])
if int(trns['dtposted']) < mindate:
mindate = int(trns['dtposted'])
if int(trns['dtposted']) > maxdate:
maxdate = int(trns['dtposted'])
# open ofx file, if file exists, gets overwritten
with open(filepath, 'w') as ofxfile:
ofxfile.write(message_header)
for account in accounts:
message_begin = """
<STMTRS> <!-- Begin statement response -->
<CURDEF>EUR</CURDEF>
<BANKACCTFROM> <!-- Identify the account -->
<BANKID>121099999</BANKID> <!-- Routing transit or other FI ID -->
<ACCTID>%(account)s</ACCTID> <!-- Account number -->
<ACCTTYPE>CHECKING</ACCTTYPE><!-- Account type -->
</BANKACCTFROM> <!-- End of account ID -->
<BANKTRANLIST> <!-- Begin list of statement trans. -->
<DTSTART>%(mindate)s</DTSTART>
<DTEND>%(maxdate)s</DTEND>""" % {"account": account, "mindate": mindate, "maxdate": maxdate}
ofxfile.write(message_begin)
for trns in csv.transactions:
if trns['account'] == account:
message_transaction = """
<STMTTRN>
<TRNTYPE>%(trntype)s</TRNTYPE>
<DTPOSTED>%(dtposted)s</DTPOSTED>
<TRNAMT>%(trnamt)s</TRNAMT>
<FITID>%(fitid)s</FITID>
<NAME>%(name)s</NAME>
<BANKACCTTO>
<BANKID></BANKID>
<ACCTID>%(accountto)s</ACCTID>
<ACCTTYPE>CHECKING</ACCTTYPE>
</BANKACCTTO>
<MEMO>%(memo)s</MEMO>
</STMTTRN>""" % trns
ofxfile.write(message_transaction)
message_end = """
</BANKTRANLIST> <!-- End list of statement trans. -->
<LEDGERBAL> <!-- Ledger balance aggregate -->
<BALAMT>0</BALAMT>
<DTASOF>199910291120</DTASOF><!-- Bal date: 10/29/99, 11:20 am -->
</LEDGERBAL> <!-- End ledger balance -->
</STMTRS>"""
ofxfile.write(message_end)
message_footer = """
</STMTTRNRS> <!-- End of transaction -->
</BANKMSGSRSV1>
</OFX>
"""
ofxfile.write(message_footer)
if not gui:
# print some statistics:
print "TRANSACTIONS: " + str(len(csv.transactions))
print "IN: " + args.csvfile
print "OUT: " + filename
else:
self.stats_transactions = "TRANSACTIONS: " + \
str(len(csv.transactions))
self.stats_in = "IN: " + args.csvfile
self.stats_out = "OUT: " + filepath
if __name__ == "__main__":
""" First parse the command line arguments. """
parser = argparse.ArgumentParser(prog='ing2ofx', description="""
This program converts ING (www.ing.nl) CSV files to OFX format.
The default output filename is the input filename.
""")
parser.add_argument('csvfile', help='A csvfile to process')
parser.add_argument('-o, --outfile', dest='outfile',
help='Output filename', default=None)
parser.add_argument('-d, --directory', dest='dir',
help='Directory to store output, default is ./ofx', default='ofx')
parser.add_argument('-c, --convert', dest='convert',
help="Convert decimal separator to dots (.), default is false", action='store_true')
parser.add_argument('-b, --convert_date', dest='convert_date',
help="Convert dates with dd-mm-yyyy notation to yyyymmdd", action='store_true')
args = parser.parse_args()
ofx = OfxWriter(args, gui=False)