Source code for linkcheck.checker.internpaturl

# Copyright (C) 2005-2014 Bastian Kleineidam
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Intern URL pattern support.
"""

import re
import urllib.parse

from . import urlbase, absolute_url
from .. import url as urlutil


[docs]def get_intern_pattern(url): """Return intern pattern for given URL. Redirections to the same domain with or without "www." prepended are allowed.""" parts = urllib.parse.urlsplit(url) scheme = parts[0].lower() domain = parts[1].lower() domain, is_idn = urlutil.idna_encode(domain) # allow redirection www.example.com -> example.com and vice versa if domain.startswith('www.'): domain = domain[4:] if not (domain and scheme): return None path = urlutil.splitparams(parts[2])[0] segments = path.split('/')[:-1] path = "/".join(segments) if url.endswith('/'): path += '/' args = list(re.escape(x) for x in (scheme, domain, path)) if args[0] in ('http', 'https'): args[0] = 'https?' args[1] = r"(www\.|)%s" % args[1] return "^%s://%s%s" % tuple(args)
[docs]class InternPatternUrl(urlbase.UrlBase): """Class supporting an intern URL pattern."""
[docs] def get_intern_pattern(self, url=None): """ Get pattern for intern URL matching. @return non-empty regex pattern or None @rtype String or None """ if url is None: url = absolute_url(self.base_url, self.base_ref, self.parent_url) if not url: return None return get_intern_pattern(url)