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# badlinks.py - plugin to list bad links
#
# Copyright (C) 1998, 1999 Albert Hopkins (marduk) <marduk@python.net>
# Copyright (C) 2002 Mike Meyer <mwm@mired.org>
# Copyright (C) 2005 Arthur de Jong <arthur@tiefighter.et.tudelft.nl>
#
# 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 St, Fifth Floor, Boston, MA 02110-1301 USA
"""Present a listing of links that point to non-existant pages."""
__title__ = 'bad links'
__author__ = 'Arthur de Jong'
__version__ = '1.1'
__description__ = 'These links had problems with retreival during the ' \
'crawling of the website.'
import config
import plugins
import xml.sax.saxutils
HTTP_STATUS_CODES = {'100':"Continue",
'101':"Switching Protocols",
'200':"OK",
'201':"Created",
'202':"Accepted",
'204':"No Content",
'205':"Reset Content",
'206':"Partial Content",
'300':"Multiple Choices",
'301':"Moved Permanently",
'302':"Moved Temporarily",
'303':"See Other",
'304':"Not Modified",
'305':"Use Proxy",
'400':"Bad Request",
'401':"Unauthorized",
'402':"Payment Required",
'403':"Forbidden",
'404':"Not Found",
'405':"Method Not Allowed",
'406':"Not Acceptable",
'407':"Proxy Authentication Required",
'408':"Request Time-out",
'409':"Conflict",
'410':"Gone",
'411':"Length Required",
'412':"Precondition Failed",
'413':"Request Entity Too Large",
'414':"Request-URI Too Large",
'415':"Unsupported Media Type",
'500':"Internal Server Error",
'501':"Not Implemented",
'502':"Bad Gateway",
'503':"Service Unavailable",
'504':"Gateway Time-out",
'505':"HTTP Version not supported"
}
def generate(fp,site):
"""Present the list of bad links to the given file descriptor."""
fp.write(' <ol>\n')
urls=site.badLinks
urls.sort()
for url in urls:
link=site.linkMap[url]
status = str(link.status)
if status in HTTP_STATUS_CODES.keys():
status = status + "=" + HTTP_STATUS_CODES[status]
fp.write(
' <li>\n' \
' %(badurl)s\n' \
' <div class="status">%(status)s</div>\n' \
% { 'badurl': plugins.make_link(link.URL,link.URL),
'status': xml.sax.saxutils.escape(status) })
# present a list of parents
link.parents.sort()
plugins.print_parents(fp,link,' ')
# add a reference to the problem map
for parent in site.linkMap[url].parents:
plink=site.linkMap[parent]
plugins.add_problem("Bad Link: " + link.URL, plink)
fp.write(' </li>\n')
fp.write(' </ol>\n')
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