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
|
# anchors.py - plugin check for missing anchors
#
# Copyright (C) 2006, 2007, 2011, 2013 Arthur de Jong
#
# 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
#
# The files produced as output from the software do not automatically fall
# under the copyright of the software, unless explicitly stated otherwise.
"""Find references to undefined anchors.
This plugin does not output any files, it just finds problems."""
__title__ = 'missing anchors'
__author__ = 'Arthur de Jong'
from webcheck.db import Session, Link, Anchor
def postprocess(crawler):
"""Add all missing anchors as page problems to the referring page."""
session = Session()
# find all fetched links with requested anchors
links = session.query(Link).filter(Link.reqanchors.any())
links = links.filter(Link.fetched != None)
# go over list and find missing anchors
# TODO: we can probably make a nicer query for this
for link in links:
# check that all requested anchors exist
for anchor in link.reqanchors:
# if the anchor is not there there, report problem
if not link.anchors.filter(Anchor.anchor == anchor.anchor).first():
anchor.parent.add_pageproblem(
u'bad link: %(url)s#%(anchor)s: unknown anchor'
% {'url': link.url,
'anchor': anchor})
# commit changes in session
session.commit()
session.close()
|