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convert_cmb.py
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convert_cmb.py
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import eml_parser
import io
import sys
import os
from common import *
from dotenv import load_dotenv
from bs4 import BeautifulSoup
from beancount.core import data
from beancount.core.data import Amount, Balance, Decimal, Posting, Transaction
from beancount.parser import printer
from datetime import date
import dateparser
def get_currency(currency):
trade_area_list = {
'CN': 'CNY',
'US': 'USD',
'JP': 'JPY',
'HK': 'HKD'
}
if currency == '':
return 'CNY'
if currency not in trade_area_list:
print('Unknown trade area: ' + currency +
', please append it to ' + __file__)
return currency
return trade_area_list[currency]
def get_date(start_date, detail_date):
month = detail_date[0:2]
day = detail_date[2:4]
ret = date(start_date.year, int(month), int(day))
if month == '01' and ret < start_date:
ret = ret.replace(ret.year + 1)
return ret
def parse_cmb(filename):
account = "Liabilities:CreditCard:CMB"
transactions = []
with open(filename, "rb") as f:
file_bytes = f.read()
parsed_eml = eml_parser.eml_parser.decode_email_b(file_bytes, include_raw_body=True)
# print(parsed_eml)
content = parsed_eml["body"][0]["content"]
soup = BeautifulSoup(content, "html.parser")
print(soup)
# balance according to bill amount
date_range = soup.select("#fixBand38 div font")[0].text.strip()
transaction_date = dateparser.parse(
date_range.split('-')[1].split('(')[0])
transaction_date = date(transaction_date.year,
transaction_date.month, transaction_date.day)
start_date = dateparser.parse(date_range.split('-')[0])
start_date = date(start_date.year,
start_date.month,
start_date.day)
balance = '-' + \
soup.select('#fixBand40 div font')[0].text.replace(
'¥', '').replace(',', '').strip()
entry = Balance(
account=account,
amount=Amount(Decimal(balance), 'CNY'),
meta={},
tolerance='',
diff_amount=Amount(Decimal('0'), 'CNY'),
date=transaction_date
)
transactions.append(entry)
# bands = soup.select('#fixBand29 #loopBand2>table>tbody>tr')
bands = soup.select("#fixBand29 #loopBand2>table>tr")
for band in bands:
tds = band.select('td #fixBand15 table table td')
if len(tds) == 0:
continue
trade_date = tds[1].text.strip()
if trade_date == '':
trade_date = tds[2].text.strip()
time = get_date(start_date, trade_date)
full_descriptions = tds[3].text.strip().split('-')
payee = full_descriptions[0]
description = '-'.join(full_descriptions[1:])
trade_currency = get_currency(tds[6].text.strip())
trade_price = tds[7].text.replace('\xa0', '').strip()
real_currency = 'CNY'
real_price = tds[4].text.replace(
'¥', '').replace('\xa0', '').strip()
print("Importing {} - {} at {}".format(payee, description, time))
category = get_category(description, payee)
if (payee == "自动还款" or payee == "掌上生活还款"):
description = payee
category = "Assets:DepositCard:CMB9843"
flag = "*"
amount = float(real_price.replace(',', ''))
meta = {}
entry = Transaction(meta, time, flag, payee,
description, data.EMPTY_SET, data.EMPTY_SET, [])
if real_currency == trade_currency:
data.create_simple_posting(
entry, category, trade_price, trade_currency)
else:
trade_amount = Amount(Decimal(trade_price), trade_currency)
real_amount = Amount(Decimal(abs(round(float(
real_price), 2))) / Decimal(abs(round(float(trade_price), 2))), real_currency)
posting = Posting(category, trade_amount,
None, real_amount, None, None)
entry.postings.append(posting)
data.create_simple_posting(entry, account, None, None)
transactions.append(entry)
return transactions
# date = data[0]
# description = data[3]
# currency = "CNY"
# if data[4].strip():
# amount = -float(data[4].replace(',', ''))
# else:
# amount = float(data[5].replace(',', ''))
# print(get_notsure(date, "", description, amount, currency, account))
if __name__ == '__main__':
sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
load_dotenv()
cmb_path = os.getenv("CMBPATH")
transactions = parse_cmb(cmb_path)
with open("../temp.bean", "w") as f:
printer.print_entries(transactions, file=f)