/usr/lib/python2.7/dist-packages/linkcheck/plugins/anchorcheck.py is in linkchecker 9.3-5.
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 | # -*- coding: iso-8859-1 -*-
# Copyright (C) 2000-2014 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.
"""
Check HTML anchors
"""
from . import _ContentPlugin
from .. import log, LOG_PLUGIN, url as urlutil
from ..htmlutil import linkparse
from ..parser import find_links
class AnchorCheck(_ContentPlugin):
"""Checks validity of HTML anchors."""
def applies_to(self, url_data):
"""Check for HTML anchor existence."""
return url_data.is_html() and url_data.anchor
def check(self, url_data):
"""Check content for invalid anchors."""
log.debug(LOG_PLUGIN, "checking content for invalid anchors")
# list of parsed anchors
self.anchors = []
find_links(url_data, self.add_anchor, linkparse.AnchorTags)
self.check_anchor(url_data)
def add_anchor (self, url, line, column, name, base):
"""Add anchor URL."""
self.anchors.append((url, line, column, name, base))
def check_anchor(self, url_data):
"""If URL is valid, parseable and has an anchor, check it.
A warning is logged and True is returned if the anchor is not found.
"""
log.debug(LOG_PLUGIN, "checking anchor %r in %s", url_data.anchor, self.anchors)
enc = lambda anchor: urlutil.url_quote_part(anchor, encoding=url_data.encoding)
if any(x for x in self.anchors if enc(x[0]) == url_data.anchor):
return
if self.anchors:
anchornames = sorted(set(u"`%s'" % x[0] for x in self.anchors))
anchors = u", ".join(anchornames)
else:
anchors = u"-"
args = {"name": url_data.anchor, "anchors": anchors}
msg = u"%s %s" % (_("Anchor `%(name)s' not found.") % args,
_("Available anchors: %(anchors)s.") % args)
url_data.add_warning(msg)
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