autocat3/Sitemap.py

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2019-03-28 13:45:03 +00:00
#!/usr/bin/env python
# -*- mode: python; indent-tabs-mode: nil; -*- coding: iso-8859-1 -*-
"""
Sitemap.py
Copyright 2009-2013 by Marcello Perathoner
Distributable under the GNU General Public License Version 3 or newer.
Output a Google sitemap.
"""
from __future__ import unicode_literals
from __future__ import division
import datetime
import cherrypy
from libgutenberg.GutenbergGlobals import Struct
import TemplatedPage
import BaseSearcher
SITEMAP_SIZE = 1000 # max no. of urls to put into one sitemap
class Sitemap (TemplatedPage.TemplatedPage):
""" Output Google sitemap. """
def index (self, **kwargs):
""" Output sitemap. """
urls = []
start = int (kwargs['page']) * SITEMAP_SIZE
rows = BaseSearcher.SQLSearcher.execute (
'select pk from books where pk >= %(start)s and pk < %(end)s order by pk',
{ 'start': str (start), 'end': str (start + SITEMAP_SIZE) })
os = BaseSearcher.OpenSearch ()
host = cherrypy.config['host']
for row in rows:
url = Struct ()
url.loc = os.url ('bibrec', id = row[0], host = host, format = None)
urls.append (url)
data = Struct ()
data.urls = urls
return self.output ('sitemap', data = data)
class SitemapIndex (TemplatedPage.TemplatedPage):
""" Output Google sitemap index. """
def index (self, **dummy_kwargs):
""" Output sitemap index. """
sitemaps = []
now = datetime.datetime.utcnow ().replace (microsecond = 0).isoformat () + 'Z'
# 99999 is safeguard against bogus ebook numbers
lastbook = BaseSearcher.sql_get ('select max (pk) as lastbook from books where pk < 99999')
os = BaseSearcher.OpenSearch ()
host = cherrypy.config['host']
for n in range (0, lastbook // SITEMAP_SIZE + 1):
sitemap = Struct ()
sitemap.loc = os.url ('sitemap_index', page = n, host = host, format = None)
sitemap.lastmod = now
sitemaps.append (sitemap)
data = Struct ()
data.sitemaps = sitemaps
return self.output ('sitemap-index', data = data)