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old.py

# old.py - plugin to list old pages
#
# Copyright (C) 1998, 1999 Albert Hopkins (marduk)
# Copyright (C) 2002 Mike W. Meyer
# Copyright (C) 2005, 2006 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.

"""Present a list of potentially outdated pages."""

__title__ = "what's old"
__author__ = 'Arthur de Jong'
__outputfile__ = 'old.html'

import config
import plugins
import time

SECS_PER_DAY = 60*60*24

def generate(site):
    """Output the list of outdated pages to the specified file descriptor."""
    # the time for which links are considered old
    oldtime = time.time()-SECS_PER_DAY*config.REPORT_WHATSOLD_URL_AGE
    # get all internal pages that are old
    links = [ x
              for x in site.linkMap.values()
              if x.ispage and
                 x.isinternal and
                 x.mtime is not None and
                 x.mtime < oldtime ]
    # sort links
    links.sort(lambda a, b: cmp(a.mtime, b.mtime))
    # present results
    fp = plugins.open_html(plugins.old, site)
    if not links:
        fp.write(
          '   <p class="description">\n'
          '    No pages were found that were older than %(old)d days old.\n'
          '   </p>\n'
          % { 'old': config.REPORT_WHATSOLD_URL_AGE })
        plugins.close_html(fp)
        return
    fp.write(
      '   <p class="description">\n'
      '    These pages have been modified a long time ago (older than %(old)d\n'
      '    days) and may be outdated.\n'
      '   </p>\n'
      '   <ul>\n'
      % {'old': config.REPORT_WHATSOLD_URL_AGE })
    for link in links:
        age = (time.time()-link.mtime)/SECS_PER_DAY
        fp.write(
          '    <li>\n'
          '     %(link)s\n'
          '     <ul class="problems">\n'
          '      <li>age: %(age)d days</li>\n'
          '     </ul>\n'
          '    </li>\n'
          % { 'link':  plugins.make_link(link),
              'age':   age })
        # add link to problem database
        link.add_pageproblem('this page is %d days old' % age)
    fp.write(
      '   </ul>\n' )
    plugins.close_html(fp)

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