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# slow.py - plugin that lists pages that could be slow to load
#
# Copyright (C) 1998, 1999 Albert Hopkins (marduk)
# Copyright (C) 2002 Mike W. Meyer
# Copyright (C) 2005 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
"""Present a list of pages that are large and probably slow to download."""
__title__ = "what's slow"
__author__ = 'Arthur de Jong'
__version__ = '1.1'
__description__ = 'These pages are probably too big which will be slow to download.'
import config
import plugins
def _getsize(link,done=[]):
"""Return the size of the link and all its embedded links, counting each
link only once."""
done.append(link)
if not hasattr(link,"totalSize"):
size = 0
if link.size is not None:
size = link.size
for l in link.embedded:
if l not in done:
size += _getsize(l,done)
link.totalSize = size
return link.totalSize
def generate(fp,site):
"""Output the list of large pages to the given file descriptor."""
# first go over all the links and calculate size if needed
links = site.linkMap.values()
reslinks = []
for link in links:
if not link.ispage:
continue
if not link.isinternal:
continue
# calculate size
size = _getsize(link)
# TODO: print size nicely
sizeK = size / 1024
if sizeK < config.REPORT_SLOW_URL_SIZE:
continue
reslinks.append(link)
# present results
reslinks.sort(lambda a, b: cmp(a.totalSize, b.totalSize))
fp.write(' <ul>\n')
for link in reslinks:
fp.write(
' <li>\n' \
' %(link)s\n' \
' <ul class="problem">\n' \
' <li>size: %(size)sK</li>\n' \
' </ul>\n' \
' </li>\n' \
% { 'link': plugins.make_link(link),
'size': sizeK })
link.add_pageproblem('this page %sK' % str(sizeK))
fp.write(' </ul>\n')
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