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Created Jul 21, 2016
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# ynanb (You need a Nordea Budget) by Ian Tuomi (, MIT Licence
import csv
import datetime
import itertools
def convertDate(nordea_date):
nordea_format = '%d.%m.%Y'
ynab_format = '%m/%d/%Y'
ynab_date = datetime.datetime.strptime(nordea_date, nordea_format).strftime(ynab_format)
return { 'Date': ynab_date }
def convertFlow(amount_string):
# e.g. -7,40
# n.b. This can result in rounding errors
amount = round(float(amount_string.replace(',', '.')), 2)
if amount > 0:
return { 'Inflow': amount }
return { 'Outflow': -amount }
def convertMessage(msg):
return { 'Memo': msg }
def convertPayee(payee):
return { 'Payee': payee }
converters = {
'Kirjauspäivä': convertDate,
'Määrä': convertFlow,
'Saaja/Maksaja': convertPayee,
'Viesti': convertMessage
ynab_fields = ['Date', 'Payee', 'Category', 'Memo', 'Outflow', 'Inflow']
in_file_name = 'nordea_example.txt'
output = []
with open(in_file_name) as in_file:
# Skip first two lines, and every other line afterwards
sliced_file = itertools.islice(in_file, 2, None, 2)
reader = csv.DictReader(sliced_file, delimiter='\t')
for input_row in reader:
output_row = {}
for key, value in input_row.items():
if key in converters:
with open('ynab_{}'.format(, 'w') as out_file:
writer = csv.DictWriter(out_file, fieldnames=ynab_fields)
for row in output:
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