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# -*- coding: utf-8 -*-
import locale
import itertools
import csv
from datetime import datetime
from contextlib import contextmanager
from ofxstatement.parser import StatementParser
from ofxstatement.plugin import Plugin
from ofxstatement.statement import Statement, StatementLine, generate_transaction_id
def take(iterable, n):
"""Return first n items of the iterable as a list."""
return list(itertools.islice(iterable, n))
def drop(iterable, n):
"""Drop first n items of the iterable and return result as a list."""
return list(itertools.islice(iterable, n, None))
def head(iterable):
"""Return first element of the iterable."""
return take(iterable, 1)[0]
@contextmanager
def scoped_setlocale(category, loc=None):
"""Scoped version of locale.setlocale()"""
orig = locale.getlocale(category)
try:
yield locale.setlocale(category, loc)
finally:
locale.setlocale(category, orig)
def atof(string, loc=None):
"""Locale aware atof function for our parser."""
with scoped_setlocale(locale.LC_NUMERIC, loc):
return locale.atof(string)
class PayPalStatementParser(StatementParser):
bank_id = 'PayPal'
date_format = '%Y/%m/%d'
valid_header = [
u"Date",
u"Time",
u"Time Zone",
u"Name",
u"Type",
u"Status",
u"Currency",
u"Gross",
u"Fee",
u"Net",
u"From Email Address",
u"To Email Address",
u"Transaction ID",
u"Counterparty Status",
u"Address Status",
u"Item Title",
u"Item ID",
u"Shipping and Handling Amount",
u"Insurance Amount",
u"Sales Tax",
u"Option 1 Name",
u"Option 1 Value",
u"Option 2 Name",
u"Option 2 Value",
u"Auction Site",
u"Buyer ID",
u"Item URL",
u"Closing Date",
u"Escrow Id",
u"Invoice Id",
u"Reference Txn ID",
u"Invoice Number",
u"Custom Number",
u"Receipt ID",
u"Balance",
u"Address Line 1",
u"Address Line 2/District/Neighborhood",
u"Town/City",
u"State/Province/Region/County/Territory/Prefecture/Republic",
u"Zip/Postal Code",
u"Country",
u"Contact Phone Number",
u"",
]
def __init__(self, fin, account_id, currency, encoding=None, locale=None, analyze=False):
self.account_id = account_id
self.currency = currency
self.locale = locale
self.encoding = encoding
self.analyze = analyze
with open(fin, 'r', encoding=self.encoding) as f:
self.lines = f.readlines()
self.validate()
self.statement = Statement(
bank_id=self.bank_id,
account_id=self.account_id,
currency=self.currency
)
@property
def reader(self):
return csv.reader(self.lines, delimiter=',', quotechar='"', quoting=csv.QUOTE_ALL)
@property
def header(self):
return [c.strip() for c in head(self.reader)]
@property
def rows(self):
rs = drop(self.reader, 1)
currency_idx = self.valid_header.index("Currency")
return [r for r in rs if r[currency_idx] == self.currency]
def validate(self):
"""
Validate to ensure csv has the same header we expect.
"""
expected = self.valid_header
actual = self.header
if expected != actual:
msg = "\n".join([
"Header template doesn't match:",
"expected: %s" % expected,
"actual : %s" % actual
])
raise ValueError(msg)
def split_records(self):
for row in self.rows:
yield row
def parse_record(self, row):
id_idx = self.valid_header.index("Transaction ID")
date_idx = self.valid_header.index("Date")
memo_idx = self.valid_header.index("Name")
refnum_idx = self.valid_header.index("Reference Txn ID")
amount_idx = self.valid_header.index("Gross")
payee_idx = self.valid_header.index("To Email Address")
title_idx = self.valid_header.index("Item Title")
stmt_line = StatementLine()
stmt_line.id = row[id_idx]
stmt_line.date = datetime.strptime(row[date_idx], self.date_format)
stmt_line.memo = row[memo_idx]
if self.analyze:
memo_parts = [
row[memo_idx]
]
payee = row[payee_idx]
if payee and (payee.lower() == 'steamgameseu@steampowered.com'):
memo_parts.append(row[title_idx])
stmt_line.memo = ' / '.join(filter(bool, memo_parts))
stmt_line.refnum = row[refnum_idx]
stmt_line.amount = atof(row[amount_idx].replace(" ", ""), self.locale)
return stmt_line
def parse_bool(value):
if value in ('True', 'true', '1'):
return True
if value in ('False', 'false', '0'):
return False
raise ValueError("Can't parse boolean value: %s" % value)
class PayPalPlugin(Plugin):
def get_parser(self, fin):
kwargs = {
'encoding': 'iso8859-1',
}
if self.settings:
if 'account_id' in self.settings:
kwargs['account_id'] = self.settings.get('account_id')
if 'currency' in self.settings:
kwargs['currency'] = self.settings.get('currency')
if 'locale' in self.settings:
kwargs['locale'] = self.settings.get('locale')
if 'encoding' in self.settings:
kwargs['encoding'] = self.settings.get('encoding')
if 'analyze' in self.settings:
kwargs['analyze'] = parse_bool(self.settings.get('analyze'))
return PayPalStatementParser(fin, **kwargs)
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