142 lines
5.2 KiB
Python
142 lines
5.2 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright(C) 2013 Laurent Bachelier
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#
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# This file is part of weboob.
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#
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# weboob is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# weboob is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with weboob. If not, see <http://www.gnu.org/licenses/>.
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from weboob.tools.browser import BaseBrowser, BrowserIncorrectPassword
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from .pages import LoginPage, AccountPage, DownloadHistoryPage, SubmitPage, HistoryParser, UselessPage, HistoryPage
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import datetime
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__all__ = ['Paypal']
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class Paypal(BaseBrowser):
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DOMAIN = 'www.paypal.com'
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PROTOCOL = 'https'
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CERTHASH = ['b8f6c76050ed3035aab08474b1da0ff783f20d114b1740e8db275fe433ff69af', '96753399cf183334cef00a72719ea8e13cfe68d1e953006348f41f884180de15']
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ENCODING = 'UTF-8'
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PAGES = {
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'/cgi-bin/webscr\?cmd=_login-run$': LoginPage,
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'/cgi-bin/webscr\?cmd=_login-submit.+$': LoginPage, # wrong login
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'/cgi-bin/webscr\?cmd=_login-processing.+$': UselessPage,
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'/cgi-bin/webscr\?cmd=_account&nav=0.0$': AccountPage,
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'/cgi-bin/webscr\?cmd=_history-download&nav=0.3.1$': DownloadHistoryPage,
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'/cgi-bin/webscr\?cmd=_history&nav=0.3.0$': HistoryPage,
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'/cgi-bin/webscr\?cmd=_history&dispatch=[a-z0-9]+$': HistoryPage,
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'/cgi-bin/webscr\?dispatch=[a-z0-9]+$': (SubmitPage, HistoryParser()),
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}
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DEFAULT_TIMEOUT = 30 # CSV export is slow
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BEGINNING = datetime.date(1998,6,1) # The day PayPal was founded
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def home(self):
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self.location('https://' + self.DOMAIN + '/en/cgi-bin/webscr?cmd=_login-run')
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def is_logged(self):
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# TODO Does not handle disconnect mid-session
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return not self.is_on_page(LoginPage)
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def login(self):
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assert isinstance(self.username, basestring)
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assert isinstance(self.password, basestring)
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if not self.is_on_page(LoginPage):
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self.location('https://' + self.DOMAIN + '/en/cgi-bin/webscr?cmd=_login-run')
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self.page.login(self.username, self.password)
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if self.is_on_page(LoginPage):
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raise BrowserIncorrectPassword()
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def get_accounts(self):
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if not self.is_on_page(AccountPage):
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self.location('/en/cgi-bin/webscr?cmd=_account&nav=0.0')
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return self.page.get_accounts()
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def get_account(self, _id):
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if not self.is_on_page(AccountPage):
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self.location('/en/cgi-bin/webscr?cmd=_account&nav=0.0')
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return self.page.get_account(_id)
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def get_history(self, account):
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self.history(start=self.BEGINNING, end=datetime.date.today())
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parse = True
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while parse:
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for trans in self.page.iter_transactions(account):
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yield trans
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parse = self.page.next()
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def history(self, start, end):
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self.location('/en/cgi-bin/webscr?cmd=_history&nav=0.3.0')
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self.page.filter(start, end)
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assert self.is_on_page(HistoryPage)
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def get_download_history(self, account):
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for csv in self.download_history():
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for trans in self.page.iter_transactions(account):
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yield trans
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def period_has_trans(self, start, end):
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"""
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Checks if there're any transactions in a given period.
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"""
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self.history(start, end)
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return next(self.page.parse(), False) or self.page.next()
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def bisect_oldest_date(self, start, end, steps=5):
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"""
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Finds an approximate beginning of transactions history in a
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given number of iterations.
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"""
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if not steps:
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return start
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middle = start + (end-start)/2
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if self.period_has_trans(start, middle):
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return self.bisect_oldest_date(start, middle, steps-1)
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else:
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return self.bisect_oldest_date(middle, end, steps-1)
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def download_history(self, step=90):
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"""
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Download CSV history.
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However, it is not normalized, and sometimes the download is refused
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and sent later by mail.
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"""
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# PayPal limitations as of 2014-06-16
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assert step <= 365*2
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# To minimize the number of CSV requests, let's first find an
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# approximate starting point of transaction history.
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end = datetime.date.today()
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beginning = self.bisect_oldest_date(self.BEGINNING, end)
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while end > beginning:
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start = end - datetime.timedelta(step)
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self.location('/en/cgi-bin/webscr?cmd=_history-download&nav=0.3.1')
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assert self.is_on_page(DownloadHistoryPage)
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self.page.download(start, end)
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assert self.is_on_page(SubmitPage)
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yield self.page.document
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end = start - datetime.timedelta(1)
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def transfer(self, from_id, to_id, amount, reason=None):
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raise NotImplementedError()
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