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59 lines
2.1 KiB
Python
59 lines
2.1 KiB
Python
# -*- coding: iso-8859-1 -*-
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# Copyright (C) 2005-2010 Bastian Kleineidam
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program 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 General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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"""
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Intern URL pattern support.
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"""
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import re
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from . import urlbase, absolute_url
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from .. import strformat, url as urlutil
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class InternPatternUrl (urlbase.UrlBase):
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"""
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Class supporting an intern URL pattern.
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"""
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def get_intern_pattern (self):
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"""
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Get pattern for intern URL matching.
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@return non-empty regex pattern or None
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@rtype String or None
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"""
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url = absolute_url(self.base_url, self.base_ref, self.parent_url)
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if not url:
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return None
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parts = strformat.url_unicode_split(url)
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scheme = parts[0]
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domain = parts[1]
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domain, is_idn = urlutil.idna_encode(domain)
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if is_idn:
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pass # XXX warn about idn use
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if not (domain and scheme):
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return None
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path = urlutil.splitparams(parts[2])[0]
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segments = path.split('/')[:-1]
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path = "/".join(segments)
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if url.endswith('/'):
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path += '/'
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args = list(re.escape(x) for x in (scheme, domain, path))
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if args[0] in ('http', 'https'):
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args[0] = 'https?'
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# allow redirection www.example.com -> example.com and vice versa
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if args[1].startswith('www\\.'):
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args[1] = args[1][5:]
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args[1] = r"(www\.|)%s" % args[1]
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return "%s://%s%s" % tuple(args)
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