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Merge pull request #103 from 5Ub-Z3r0/master
Add an importer for Swisscard Cashback cards CSV exports.
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Original file line number | Diff line number | Diff line change |
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import csv | ||
from io import StringIO | ||
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from beancount.core import amount, data | ||
from beancount.core.number import D | ||
from beancount.ingest import importer | ||
from beancount.ingest.importers.mixins import identifier | ||
from dateutil.parser import parse | ||
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class SwisscardImporter(identifier.IdentifyMixin, importer.ImporterProtocol): | ||
"""An importer for Swisscard's cashback CSV files.""" | ||
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def __init__(self, regexps, account): | ||
identifier.IdentifyMixin.__init__(self, matchers=[("filename", regexps)]) | ||
self.account = account | ||
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def name(self): | ||
return super().name() + self.account | ||
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def file_account(self, file): | ||
return self.account | ||
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def extract(self, file, existing_entries): | ||
entries = [] | ||
with StringIO(file.contents()) as csvfile: | ||
reader = csv.DictReader( | ||
csvfile, | ||
delimiter=",", | ||
skipinitialspace=True, | ||
) | ||
for row in reader: | ||
book_date = parse(row["Transaction date"].strip(), dayfirst=True).date() | ||
amt = amount.Amount(-D(row["Amount"]), row["Currency"]) | ||
metakv = { | ||
"category": row["Category"], | ||
} | ||
meta = data.new_metadata(file.name, 0, metakv) | ||
description = row["Description"].strip() | ||
entry = data.Transaction( | ||
meta, | ||
book_date, | ||
"*", | ||
"", | ||
description, | ||
data.EMPTY_SET, | ||
data.EMPTY_SET, | ||
[ | ||
data.Posting(self.account, amt, None, None, None, None), | ||
], | ||
) | ||
entries.append(entry) | ||
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return entries |