/usr/share/pyshared/weboob/tools/browser/decorators.py is in python-weboob-core 0.g-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 | # -*- coding: utf-8 -*-
# Copyright(C) 2010-2011 Christophe Benz, Laurent Bachelier
#
# This file is part of weboob.
#
# weboob is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# weboob is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with weboob. If not, see <http://www.gnu.org/licenses/>.
__all__ = ['check_url', 'id2url']
from urlparse import urlsplit
import re
class check_url(object):
"""
Checks if the first argument matches the given regular expression (given as str,
without the ^$ delimiters which are automatically added).
If not, this decorator will return None instead of calling the function.
"""
def __init__(self, regexp):
self.regexp = re.compile('^%s$' % regexp)
def __call__(self, func):
def wrapper(funcself, *args, **kwargs):
if self.regexp.match(args[0]):
return func(funcself, *args, **kwargs)
return None
return wrapper
def id2url(id2url):
"""
If the first argument is not an URL, this decorator will try to
convert it to one, by calling the id2url function.
If id2url returns None (because the id is invalid), the decorated
function will not be called and None will be returned.
If the DOMAIN attribute of the method's class is not empty, it will
also check it. If it does not match, the decorated function will not
be called and None will be returned.
"""
def wrapper(func):
def inner(self, *args, **kwargs):
arg = unicode(args[0])
if arg.startswith('http://') or arg.startswith('https://'):
domain = urlsplit(arg).netloc
if not self.DOMAIN or self.DOMAIN == domain or domain.endswith('.'+self.DOMAIN):
url = arg
else:
return None
else:
url = id2url(arg)
if url is None:
return None
new_args = [url]
new_args.extend(args[1:])
return func(self, *new_args, **kwargs)
return inner
return wrapper
|