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Initial version of an importer for netbenefits trx
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Original file line number | Diff line number | Diff line change |
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import csv | ||
from collections.abc import Iterable | ||
from datetime import date | ||
from io import StringIO | ||
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from beancount.core import amount, data | ||
from beancount.core.number import D | ||
from beancount.core.position import CostSpec | ||
from beancount.ingest import importer | ||
from beancount.ingest.importers.mixins import identifier | ||
from dateutil.parser import parse | ||
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from tariochbctools.importers.general.priceLookup import PriceLookup | ||
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class Importer(identifier.IdentifyMixin, importer.ImporterProtocol): | ||
"""An importer for Fidelity Netbenefits Activity CSV files.""" | ||
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def __init__( | ||
self, | ||
regexps: str | Iterable[str], | ||
cashAccount: str, | ||
investmentAccount: str, | ||
dividendAccount: str, | ||
taxAccount: str, | ||
capGainAccount: str, | ||
symbol: str, | ||
ignoreTypes: Iterable[str], | ||
baseCcy: str, | ||
): | ||
identifier.IdentifyMixin.__init__(self, matchers=[("filename", regexps)]) | ||
self.cashAccount = cashAccount | ||
self.investmentAccount = investmentAccount | ||
self.dividendAccount = dividendAccount | ||
self.taxAccount = taxAccount | ||
self.capGainAccount = capGainAccount | ||
self.symbol = symbol | ||
self.ignoreTypes = ignoreTypes | ||
self.baseCcy = baseCcy | ||
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def name(self): | ||
return super().name() + self.cashAccount | ||
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def file_account(self, file): | ||
return self.cashAccount | ||
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def extract(self, file, existing_entries): | ||
entries = [] | ||
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self.priceLookup = PriceLookup(existing_entries, self.baseCcy) | ||
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with StringIO(file.contents()) as csvfile: | ||
reader = csv.DictReader( | ||
csvfile, | ||
[ | ||
"Transaction date", | ||
"Transaction type", | ||
"Investment name", | ||
"Shares", | ||
"Amount", | ||
], | ||
delimiter=",", | ||
skipinitialspace=True, | ||
) | ||
next(reader) | ||
for row in reader: | ||
if not row["Transaction type"]: | ||
break | ||
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if row["Transaction type"] in self.ignoreTypes: | ||
continue | ||
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book_date = parse(row["Transaction date"].strip()).date() | ||
amt = amount.Amount(D(row["Amount"].replace("$", "")), "USD") | ||
shares = None | ||
if row["Shares"] != "-": | ||
shares = amount.Amount(D(row["Shares"]), self.symbol) | ||
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metakv = {} | ||
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if not amt and not shares: | ||
continue | ||
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meta = data.new_metadata(file.name, 0, metakv) | ||
description = row["Transaction type"].strip() | ||
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if "TAX" in description: | ||
postings = self.__createDividend(amt, book_date, self.taxAccount) | ||
elif "DIVIDEND" in description: | ||
postings = self.__createDividend( | ||
amt, book_date, self.dividendAccount | ||
) | ||
elif "YOU BOUGHT" in description: | ||
postings = self.__createBuy(amt, shares, book_date) | ||
elif "YOU SOLD" in description: | ||
postings = self.__createSell(amt, shares, book_date) | ||
else: | ||
postings = [ | ||
data.Posting(self.cashAccount, amt, None, None, None, None), | ||
] | ||
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if shares is not None: | ||
postings.append( | ||
data.Posting( | ||
self.investmentAccount, shares, None, None, None, None | ||
), | ||
) | ||
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entry = data.Transaction( | ||
meta, | ||
book_date, | ||
"*", | ||
"", | ||
description, | ||
data.EMPTY_SET, | ||
data.EMPTY_SET, | ||
postings, | ||
) | ||
entries.append(entry) | ||
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return entries | ||
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def __createBuy(self, amt: amount, shares: amount, book_date: date): | ||
price = self.priceLookup.fetchPrice("USD", book_date) | ||
cost = CostSpec( | ||
number_per=None, | ||
number_total=round(-amt.number * price.number, 2), | ||
currency=self.baseCcy, | ||
date=None, | ||
label=None, | ||
merge=None, | ||
) | ||
postings = [ | ||
data.Posting(self.investmentAccount, shares, cost, None, None, None), | ||
data.Posting(self.cashAccount, amt, None, price, None, None), | ||
] | ||
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return postings | ||
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def __createSell(self, amt: amount, shares: amount, book_date: date): | ||
price = self.priceLookup.fetchPrice("USD", book_date) | ||
cost = CostSpec( | ||
number_per=None, | ||
number_total=None, | ||
currency=None, | ||
date=None, | ||
label=None, | ||
merge=None, | ||
) | ||
postings = [ | ||
data.Posting(self.investmentAccount, shares, cost, None, None, None), | ||
data.Posting(self.cashAccount, amt, None, price, None, None), | ||
data.Posting(self.capGainAccount, None, None, None, None, None), | ||
] | ||
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return postings | ||
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def __createDividend(self, amt: amount, book_date: date, incomeAccount: str): | ||
price = self.priceLookup.fetchPrice("USD", book_date) | ||
postings = [ | ||
data.Posting( | ||
self.investmentAccount, | ||
amount.Amount(D(0), self.symbol), | ||
None, | ||
None, | ||
None, | ||
None, | ||
), | ||
data.Posting(self.cashAccount, amt, None, price, None, None), | ||
data.Posting(incomeAccount, None, None, None, None, None), | ||
] | ||
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return postings |