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#! /usr/local/bin/python
#-*- coding: utf-8 -*-
__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 1.1 $"
__date__ = "$Date: 2010/04/15 $"
__copyright__ = "Copyright (c) 2010 Cedric Bonhomme"
__license__ = "GPLv3"
import os
import time
import sqlite3
import cherrypy
import threading
from cherrypy.lib.static import serve_file
import utils
import feedgetter
bindhost = "0.0.0.0"
cherrypy.config.update({ 'server.socket_port': 12556, 'server.socket_host': bindhost})
path = {'/css/style.css': {'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'css/style.css'}, \
'/css/img/feed-icon-28x28.png': {'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'css/img/feed-icon-28x28.png'}, \
'/css/img/delicious.png': {'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'css/img/delicious.png'}, \
'/css/img/digg.png': {'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'css/img/digg.png'}, \
'/css/img/reddit.png': {'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'css/img/reddit.png'}, \
'/css/img/scoopeo.png': {'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'css/img/scoopeo.png'}, \
'/css/img/blogmarks.png': {'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'css/img/blogmarks.png'}, \
'/css/img/buzz.png': {'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'css/img/buzz.png'}, \
'/css/img/heart.png': {'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'css/img/heart.png'}, \
'/css/img/heart_open.png': {'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'css/img/heart_open.png'}, \
'/css/img/email.png': {'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'css/img/email.png'}, \
'/var/histogram.png':{'tools.staticfile.on': True, \
'tools.staticfile.filename':utils.path+'var/histogram.png'}}
htmlheader = '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">\n' + \
'<head>' + \
'\n\t<title>pyAggr3g470r - RSS Feed Reader</title>\n' + \
'\t<link rel="stylesheet" type="text/css" href="/css/style.css" />' + \
'\n\t<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>\n' + \
'</head>\n'
htmlfooter = '<p>This software is under GPLv3 license. You are welcome to copy, modify or' + \
' redistribute the source code according to the' + \
' <a href="http://www.gnu.org/licenses/gpl-3.0.txt">GPLv3</a> license.</p></div>\n' + \
'</body>\n</html>'
htmlnav = '<body>\n<h1><a name="top"><a href="/">pyAggr3g470r - RSS Feed Reader</a></a></h1>\n<a' + \
' href="http://bitbucket.org/cedricbonhomme/pyaggr3g470r/" rel="noreferrer" target="_blank">' + \
'pyAggr3g470r (source code)</a>'
class Root:
def index(self):
"""
Main page containing the list of feeds and articles.
"""
html = htmlheader
html += htmlnav
html += self.create_right_menu()
html += """<div class="left inner">\n"""
if self.articles:
html += """<a href="/list_favorites/"><img src="/css/img/heart.png" title="Your favorites (%s)" /></a>\n""" % \
(sum([len([article for article in self.articles[feed_id] if article[7] == "1"]) \
for feed_id in self.feeds.keys()]),)
html += """<a href="/list_notification"><img src="/css/img/email.png" title="Active e-mail notifications (%s)" /></a>\n""" % \
(len([feed for feed in self.feeds.values() if feed[6] == "1"]),)
for rss_feed_id in self.articles.keys():
html += """<h2><a name="%s"><a href="%s" rel="noreferrer"
target="_blank">%s</a></a>
<a href="%s" rel="noreferrer"
target="_blank"><img src="%s" width="28" height="28" /></a></h2>\n""" % \
(rss_feed_id, \
self.feeds[rss_feed_id][5].encode('utf-8'), \
self.feeds[rss_feed_id][3].encode('utf-8'), \
self.feeds[rss_feed_id][4].encode('utf-8'), \
self.feeds[rss_feed_id][2].encode('utf-8'))
# The main page display only 10 articles by feeds.
for article in self.articles[rss_feed_id][:10]:
if article[5] == "0":
# not readed articles are in bold
not_read_begin = "<b>"
not_read_end = "</b>"
else:
not_read_begin = ""
not_read_end = ""
if article[7] == "1":
like = """ <img src="/css/img/heart.png" title="I like this article!" />"""
else:
like = ""
html += article[1].encode('utf-8') + \
" - " + not_read_begin + \
"""<a href="/description/%s:%s" rel="noreferrer" target="_blank">%s</a>""" % \
(rss_feed_id, article[0].encode('utf-8'), article[2].encode('utf-8')) + \
not_read_end + like + \
"<br />\n"
html += "<br />\n"
html += """<a href="/all_articles/%s">All articles</a> """ % (rss_feed_id,)
html += """ <a href="/mark_as_read/Feed_FromMainPage:%s">Mark all as read</a>""" % (rss_feed_id,)
if self.feeds[rss_feed_id][1] != 0:
html += """ <a href="/unread/%s" title="Unread article(s)"
>Unread article(s) (%s)</a>""" % (rss_feed_id, \
self.feeds[rss_feed_id][1])
if self.feeds[rss_feed_id][6] == "0":
html += """<br />\n<a href="/mail_notification/start:%s" title="By e-mail">Stay tuned</a>""" % (rss_feed_id,)
else:
html += """<br />\n<a href="/mail_notification/stop:%s" title="By e-mail">Stop staying tuned</a>""" % (rss_feed_id,)
html += """<h4><a href="/#top">Top</a></h4>"""
html += "<hr />\n"
html += htmlfooter
return html
index.exposed = True
def create_right_menu(self):
"""
Create the right menu.
"""
html = """<div class="right inner">\n"""
html += """<a href="/management/">Management</a><br />\n"""
html += """<a href="/fetch/">Fetch all feeds</a><br />\n"""
html += """<a href="/mark_as_read/All:">Mark articles as read</a>\n"""
html += """<form method=get action="/q/"><input type="text" name="querystring" value=""><input
type="submit" value="Search"></form>\n"""
html += "<hr />\n"
html += self.create_list_of_feeds()
html += "</div>\n"
return html
def create_list_of_feeds(self):
"""
Create the list of feeds.
"""
html = """Your feeds (%s):<br />\n""" % len(self.articles.keys())
for rss_feed_id in self.articles.keys():
if self.feeds[rss_feed_id][1] != 0:
# not readed articles are in bold
not_read_begin = "<b>"
not_read_end = "</b>"
else:
not_read_begin = ""
not_read_end = ""
html += """<a href="/#%s">%s</a> (<a href="/unread/%s"
title="Unread article(s)">%s%s%s</a> / %s)<br />\n""" % \
(rss_feed_id.encode('utf-8'), \
self.feeds[rss_feed_id][3].encode('utf-8'), \
rss_feed_id, not_read_begin, \
self.feeds[rss_feed_id][1], not_read_end, \
self.feeds[rss_feed_id][0])
return html
def management(self):
"""
Management of articles.
"""
html = htmlheader
html += htmlnav
html += """<div class="left inner">\n"""
html += "<h1>Add Feeds</h1>\n"
html += """<form method=get action="add_feed/"><input type="text" name="v" value="">\n<input
type="submit" value="OK"></form>\n"""
if self.articles:
html += "<h1>Delete Feeds</h1>\n"
html += """<form method=get action="del_feed/"><select name="feed_list">\n"""
for feed_id in self.articles.keys():
html += """\t<option value="%s">%s</option>\n""" % \
(feed_id, self.feeds[feed_id][3].encode('utf-8'))
html += """</select></form>\n"""
html += """<p>Active e-mail notifications: <a href="/list_notification">%s</a></p>\n""" % \
(len([feed for feed in self.feeds.values() if feed[6] == "1"]),)
html += """<p>You like <a href="/list_favorites/">%s</a> article(s).</p>\n""" % \
(sum([len([article for article in self.articles[feed_id] if article[7] == "1"]) \
for feed_id in self.feeds.keys()]), )
html += "<hr />\n"
html += """<p>The database contains a total of %s article(s) with
<a href="/unread/All">%s unread article(s)</a>.<br />""" % \
(self.nb_articles, sum([feed[1] for feed in self.feeds.values()]))
html += """Database: %s.\n<br />Size: %s bytes.</p>\n""" % \
(os.path.abspath(utils.sqlite_base), os.path.getsize(utils.sqlite_base))
html += """<form method=get action="/fetch/">\n<input
type="submit" value="Fetch all feeds"></form>\n"""
html += """<form method=get action="add_feed/">\n<input
type="submit" value="Delete all articles"></form>\n"""
html += "<hr />\n"
if self.articles:
html += "<h1>Statistics</h1>\n"
if "oice" not in utils.IMPORT_ERROR:
nb_french = 0
nb_english = 0
for rss_feed_id in self.articles.keys():
for article in self.articles[rss_feed_id]:
if article[6] == 'french':
nb_french += 1
elif article[6] == 'english':
nb_english += 1
nb_other = self.nb_articles - nb_french - nb_english
html += "<table border=0>\n<tr><td>"
html += "<h3>Words count</h3>\n"
html += "<ol>\n"
for word, frequency in self.top_words:
html += """\t<li><a href="/q/?querystring=%s">%s</a>: %s</li>\n""" % \
(word, word, frequency)
html += "</ol>\n"
html += "<h3>Languages</h3>\n"
if "oice" in utils.IMPORT_ERROR:
html += "Install the module "
html += """<a href="http://pypi.python.org/pypi/oice.langdet/">oice.langdet</a>"""
html += "</td>\n<td>"
else:
html += "<ul>\n"
for language in ['english', 'french', 'other']:
html += """\t<li>%s articles in <a href="/language/%s">%s</a></li>\n""" % \
(locals()["nb_"+language], language, language)
html += "</ul>\n</td>\n<td>"
html += """<img src="/var/histogram.png" /></td></tr></table>"""
html += "<hr />\n"
html += htmlfooter
return html
management.exposed = True
def q(self, querystring=None):
"""
Search for a feed. Simply search for the string 'querystring'
in the description of the article.
"""
param, _, value = querystring.partition(':')
feed_id = None
if param == "Feed":
feed_id, _, querystring = value.partition(':')
html = htmlheader
html += htmlnav
html += """<div class="left inner">"""
html += """<h1>Articles containing the string <i>%s</i></h1><br />""" % (querystring,)
if feed_id is not None:
for article in self.articles[rss_feed_id]:
article_content = utils.remove_html_tags(article[4].encode('utf-8'))
if not article_content:
utils.remove_html_tags(article[2].encode('utf-8'))
if querystring.lower() in article_content.lower():
if article[5] == "0":
# not readed articles are in bold
not_read_begin = "<b>"
not_read_end = "</b>"
else:
not_read_begin = ""
not_read_end = ""
html += article[1].encode('utf-8') + \
" - " + not_read_begin + \
"""<a href="/description/%s:%s" rel="noreferrer" target="_blank">%s</a>""" % \
(feed_id, article[0].encode('utf-8'), article[2].encode('utf-8')) + \
not_read_end
else:
for rss_feed_id in self.articles.keys():
for article in self.articles[rss_feed_id]:
article_content = utils.remove_html_tags(article[4].encode('utf-8'))
if not article_content:
utils.remove_html_tags(article[2].encode('utf-8'))
if querystring.lower() in article_content.lower():
if article[5] == "0":
# not readed articles are in bold
not_read_begin = "<b>"
not_read_end = "</b>"
else:
not_read_begin = ""
not_read_end = ""
html += article[1].encode('utf-8') + \
" - " + not_read_begin + \
"""<a href="/description/%s:%s" rel="noreferrer" target="_blank">%s</a>""" % \
(rss_feed_id, article[0].encode('utf-8'), article[2].encode('utf-8')) + \
not_read_end + """ from <i><a href="%s">%s</a></i><br />\n""" % \
(self.feeds[rss_feed_id][5].encode('utf-8'), \
self.feeds[rss_feed_id][3].encode('utf-8'))
html += "<hr />"
html += htmlfooter
return html
q.exposed = True
def fetch(self):
"""
Fetch all feeds
"""
feed_getter = feedgetter.FeedGetter()
feed_getter.retrieve_feed()
#self.update()
return self.index()
fetch.exposed = True
def description(self, param):
"""
Display the description of an article in a new Web page.
"""
try:
feed_id, article_id = param.split(':')
except:
return self.error_page("Bad URL")
try:
articles_list = self.articles[feed_id]
except KeyError:
return self.error_page("This feed do not exists.")
html = htmlheader
html += htmlnav
html += """<div class="left inner">"""
for article in articles_list:
if article_id == article[0]:
if article[5] == "0":
self.mark_as_read("Article:"+article[3]) # update the database
html += """<h1><i>%s</i> from <a href="/all_articles/%s">%s</a></h1>\n<br />\n""" % \
(article[2].encode('utf-8'), feed_id, \
self.feeds[feed_id][3].encode('utf-8'))
if article[7] == "1":
html += """<a href="/like/no:%s:%s"><img src="/css/img/heart.png" title="I like this article!" /></a>""" % \
(feed_id, article_id)
else:
html += """<a href="/like/yes:%s:%s"><img src="/css/img/heart_open.png" title="Click if you like this article." /></a>""" % \
(feed_id, article_id)
html += "<br /><br />"
description = article[4].encode('utf-8')
if description:
html += description
else:
html += "No description available."
html += "\n<hr />\n"
html += """This article seems to be written in <a href="/language/%s">%s</a>.\n""" % \
(article[6], article[6])
html += """<br />\n<a href="/plain_text/%s:%s">Plain text</a>\n""" % \
(feed_id, article_id)
html += """<br />\n<a href="%s">Complete story</a>\n<br />\n""" % \
(article[3].encode('utf-8'),)
# Share this article:
# on Buzz
html += """<a href="http://www.google.com/buzz/post?url=%s&message=%s"
rel="noreferrer" target="_blank">\n
<img src="/css/img/buzz.png" title="Share on Google Buzz" /></a> """ % \
(article[3].encode('utf-8'), article[2].encode('utf-8'))
# on delicious
html += """<a href="http://delicious.com/post?url=%s&title=%s"
rel="noreferrer" target="_blank">\n
<img src="/css/img/delicious.png" title="Share on del.iciou.us" /></a> """ % \
(article[3].encode('utf-8'), article[2].encode('utf-8'))
# on Digg
html += """<a href="http://digg.com/submit?url=%s&title=%s"
rel="noreferrer" target="_blank">\n
<img src="/css/img/digg.png" title="Share on Digg" /></a> """ % \
(article[3].encode('utf-8'), article[2].encode('utf-8'))
# on reddit
html += """<a href="http://reddit.com/submit?url=%s&title=%s"
rel="noreferrer" target="_blank">\n
<img src="/css/img/reddit.png" title="Share on reddit" /></a> """ % \
(article[3].encode('utf-8'), article[2].encode('utf-8'))
# on Scoopeo
html += """<a href="http://scoopeo.com/scoop/new?newurl=%s&title=%s"
rel="noreferrer" target="_blank">\n
<img src="/css/img/scoopeo.png" title="Share on Scoopeo" /></a> """ % \
(article[3].encode('utf-8'), article[2].encode('utf-8'))
# on Blogmarks
html += """<a href="http://blogmarks.net/my/new.php?url=%s&title=%s"
rel="noreferrer" target="_blank">\n
<img src="/css/img/blogmarks.png" title="Share on Blogmarks" /></a>""" % \
(article[3].encode('utf-8'), article[2].encode('utf-8'))
html += """<br />\n<a title="Share on Google Buzz" class="google-buzz-button" href="http://www.google.com/buzz/post" data-button-style="normal-count" data-url="%s"></a><script type="text/javascript" src="http://www.google.com/buzz/api/button.js"></script>""" % \
(article[3].encode('utf-8'),)
break
html += "<hr />\n" + htmlfooter
return html
description.exposed = True
def all_articles(self, feed_id):
"""
Display all articles of a feed.
"""
try:
articles_list = self.articles[feed_id]
except KeyError:
return self.error_page("This feed do not exists.")
html = htmlheader
html += htmlnav
html += """<div class="right inner">\n"""
html += """<a href="/mark_as_read/Feed:%s">Mark all articles from this feed as read</a>""" % (feed_id,)
html += """<br />\n<form method=get action="/q/Feed"><input type="text" name="Feed:%s:querystring" value=""><input
type="submit" value="Search this feed"></form>\n""" % (feed_id,)
html += "<hr />\n"
html += self.create_list_of_feeds()
html += """</div> <div class="left inner">"""
html += """<h1>Articles of the feed <i>%s</i></h1><br />""" % (self.feeds[feed_id][3].encode('utf-8'))
for article in articles_list:
if article[5] == "0":
# not readed articles are in bold
not_read_begin = "<b>"
not_read_end = "</b>"
else:
not_read_begin = ""
not_read_end = ""
if article[7] == "1":
like = """ <img src="/css/img/heart.png" title="I like this article!" />"""
else:
like = ""
html += article[1].encode('utf-8') + \
" - " + not_read_begin + \
"""<a href="/description/%s:%s" rel="noreferrer" target="_blank">%s</a>""" % \
(feed_id, article[0].encode('utf-8'), \
utils.remove_html_tags(article[2].encode('utf-8'))) + \
not_read_end + like + \
"<br />\n"
html += """\n<h4><a href="/">All feeds</a></h4>"""
html += "<hr />\n"
html += htmlfooter
return html
all_articles.exposed = True
def unread(self, feed_id):
"""
Display all unread articles of a feed.
"""
html = htmlheader
html += htmlnav
html += """<div class="left inner">"""
if feed_id == "All":
html += "<h1>Unread article(s)</h1>"
for rss_feed_id in self.feeds.keys():
for article in self.articles[rss_feed_id]:
if article[5] == "0":
html += article[1].encode('utf-8') + \
""" - <a href="/description/%s:%s" rel="noreferrer" target="_blank">%s</a>
from <i><a href="%s">%s</a></i><br />\n""" % \
(rss_feed_id, article[0].encode('utf-8'), article[2].encode('utf-8'), \
self.feeds[rss_feed_id][5].encode('utf-8'), \
self.feeds[rss_feed_id][3].encode('utf-8'))
html += """<hr />\n<a href="/mark_as_read/All:">Mark articles as read</a>\n"""
else:
try:
articles_list = self.articles[feed_id]
except KeyError:
return self.error_page("This feed do not exists.")
html += """<h1>Unread article(s) of the feed <a href="/all_articles/%s">%s</a></h1>
<br />""" % (feed_id, self.feeds[feed_id][3].encode('utf-8'))
for article in articles_list:
if article[5] == "0":
html += article[1].encode('utf-8') + \
""" - <a href="/description/%s:%s" rel="noreferrer" target="_blank">%s</a>""" % \
(feed_id, article[0].encode('utf-8'), article[2].encode('utf-8')) + \
"<br />\n"
html += """<hr />\n<a href="/mark_as_read/Feed:%s">Mark all as read</a>""" % (feed_id,)
html += """\n<h4><a href="/">All feeds</a></h4>"""
html += "<hr />\n"
html += htmlfooter
return html
unread.exposed = True
def language(self, lang):
"""
Display articles by language.
"""
if lang not in ['english', 'french', 'other']:
return self.error_page('This language is not supported.')
html = htmlheader
html += htmlnav
html += """<div class="left inner">"""
html += """<h1>Article(s) written in %s</h1>\n<br />\n""" % (lang,)
if "oice" not in utils.IMPORT_ERROR:
for rss_feed_id in self.articles.keys():
for article in self.articles[rss_feed_id]:
if article[6] == lang:
html += article[1].encode('utf-8') + \
""" - <a href="/description/%s:%s" rel="noreferrer" target="_blank">%s</a>
from <i><a href="%s">%s</a></i><br />\n""" % \
(rss_feed_id, article[0].encode('utf-8'), article[2].encode('utf-8'), \
self.feeds[rss_feed_id][5].encode('utf-8'), \
self.feeds[rss_feed_id][3].encode('utf-8'))
else:
html += "Install the module "
html += """<a href="http://pypi.python.org/pypi/oice.langdet/">oice.langdet</a>"""
html += "<hr />\n"
html += htmlfooter
return html
language.exposed = True
def plain_text(self, target):
"""
Display an article in plain text (without HTML tags).
"""
try:
feed_id, article_id = target.split(':')
except:
return self.error_page("This article do not exists.")
try:
articles_list = self.articles[feed_id]
except KeyError:
return self.error_page("This feed do not exists.")
html = htmlheader
html += htmlnav
html += """<div class="left inner">"""
feed_id, article_id = target.split(':')
for article in articles_list:
if article_id == article[0]:
html += """<h1><i>%s</i> from <a href="/all_articles/%s">%s</a></h1>\n<br />\n"""% \
(article[2].encode('utf-8'), feed_id, \
self.feeds[feed_id][3].encode('utf-8'))
description = utils.remove_html_tags(article[4].encode('utf-8'))
if description:
html += description
else:
html += "No description available."
html += "\n<hr />\n" + htmlfooter
return html
plain_text.exposed = True
def error_page(self, message):
"""
Display a message (bad feed id, bad article id, etc.)
"""
html = htmlheader
html += htmlnav
html += """<div class="left inner">"""
html += """%s""" % message
html += "\n<hr />\n" + htmlfooter
return html
error_page.exposed = True
def mark_as_read(self, target):
"""
Mark one (or more) article(s) as read by setting the value of the field
'article_readed' of the SQLite database to 1.
"""
LOCKER.acquire()
param, _, identifiant = target.partition(':')
try:
conn = sqlite3.connect(utils.sqlite_base, isolation_level = None)
c = conn.cursor()
# Mark all articles as read.
if param == "All":
c.execute("UPDATE articles SET article_readed=1")
# Mark all articles from a feed as read.
elif param == "Feed" or param == "Feed_FromMainPage":
c.execute("UPDATE articles SET article_readed=1 WHERE feed_link='" + \
self.feeds[identifiant][4].encode('utf-8') + "'")
# Mark an article as read.
elif param == "Article":
c.execute("UPDATE articles SET article_readed=1 WHERE article_link='" + \
identifiant + "'")
conn.commit()
c.close()
except Exception:
self.error_page("Impossible to mark this article as read (database error).")
#threading.Thread(None, self.update, None, ()).start()
if param == "All" or param == "Feed_FromMainPage":
return self.index()
elif param == "Feed":
return self.all_articles(identifiant)
LOCKER.release()
mark_as_read.exposed = True
def list_notification(self):
"""
List all active e-mail notifications.
"""
html = htmlheader
html += htmlnav
html += """<div class="left inner">"""
html += "<h1>You are receiving e-mails for the following feeds:</h1>\n"
for rss_feed_id in self.feeds.keys():
if self.feeds[rss_feed_id][6] == "1":
html += """\t<a href="/all_articles/%s">%s</a> - <a href="/mail_notification/stop:%s">Stop</a><br />\n""" % \
(rss_feed_id, self.feeds[rss_feed_id][3].encode('utf-8'), rss_feed_id)
html += """<p>Notifications are sent to: <a href="mail:%s">%s</a></p>""" % \
(utils.mail_to, utils.mail_to)
html += "\n<hr />\n" + htmlfooter
return html
list_notification.exposed = True
def mail_notification(self, param):
"""
Enable or disable to notifications of news for a feed.
"""
try:
action, feed_id = param.split(':')
except:
return self.error_page("Bad URL")
if feed_id not in self.feeds.keys():
return self.error_page("This feed do not exists.")
conn = sqlite3.connect(utils.sqlite_base, isolation_level = None)
c = conn.cursor()
if action == "start":
try:
c.execute("UPDATE feeds SET mail=1 WHERE feed_site_link='" +
self.feeds[feed_id][5].encode('utf-8') + "'")
except:
return self.error_page("Error")
else:
try:
c.execute("UPDATE feeds SET mail=0 WHERE feed_site_link='" +
self.feeds[feed_id][5].encode('utf-8') + "'")
except:
return self.error_page("Error")
conn.commit()
c.close()
return self.index()
mail_notification.exposed = True
def like(self, param):
"""
Mark or unmark an article as favorites.
"""
try:
action, feed_id, article_id = param.split(':')
except:
return self.error_page("Bad URL")
try:
articles_list = self.articles[feed_id]
except KeyError:
return self.error_page("This feed do not exists.")
for article in articles_list:
if article_id == article[0]:
try:
conn = sqlite3.connect(utils.sqlite_base, isolation_level = None)
c = conn.cursor()
# Mark all articles as read.
if action == "yes":
c.execute("UPDATE articles SET like=1 WHERE article_link='" + \
article[3] + "'")
if action == "no":
c.execute("UPDATE articles SET like=0 WHERE article_link='" + \
article[3] + "'")
conn.commit()
c.close()
except Exception:
self.error_page("Impossible to like/dislike this article (database error).")
break
return self.description(feed_id+":"+article_id)
like.exposed = True
def list_favorites(self):
"""
List of favorites articles
"""
html = htmlheader
html += htmlnav
html += """<div class="left inner">"""
html += "<h1>Your favorites articles</h1>"
for rss_feed_id in self.feeds.keys():
for article in self.articles[rss_feed_id]:
if article[7] == "1":
html += article[1].encode('utf-8') + \
""" - <a href="/description/%s:%s" rel="noreferrer" target="_blank">%s</a>
from <i><a href="%s">%s</a></i><br />\n""" % \
(rss_feed_id, article[0].encode('utf-8'), article[2].encode('utf-8'), \
self.feeds[rss_feed_id][5].encode('utf-8'), \
self.feeds[rss_feed_id][3].encode('utf-8'))
html += "<hr />\n"
html += htmlfooter
return html
list_favorites.exposed = True
def update(self, path=None, event = None):
"""
Synchronizes transient objects with the database,
computes the list of most frequent words and generates the histogram.
Called when an article is marked as read or when new articles are fetched.
"""
self.articles, self.feeds = utils.load_feed()
self.nb_articles = sum([feed[0] for feed in self.feeds.values()])
if self.articles != {}:
self.top_words = utils.top_words(self.articles, 10)
if "pylab" not in utils.IMPORT_ERROR:
utils.create_histogram(self.top_words)
print "Base (%s) loaded" % utils.sqlite_base
else:
print "Base (%s) empty!" % utils.sqlite_base
def watch_base(self):
"""Monitor a file.
Detect the changes in base of feeds.
When a change is detected, reload the base.
"""
mon = gamin.WatchMonitor()
time.sleep(10)
mon.watch_file(utils.sqlite_base, self.update)
ret = mon.event_pending()
try:
print "Watching %s" % utils.sqlite_base
while True:
ret = mon.event_pending()
if ret > 0:
print "The base of feeds (%s) has changed.\nReloading..." % utils.sqlite_base
ret = mon.handle_one_event()
time.sleep(1)
except KeyboardInterrupt:
pass
print "Stop watching", sqlite_base
mon.stop_watch(sqlite_base)
del mon
def watch_base_classic(self):
"""
Monitor the base of feeds if the module gamin is not
installed.
"""
time.sleep(10)
old_size = 0
try:
print "Watching %s" % utils.sqlite_base
while True:
time.sleep(2)
# very simple test
if os.path.getsize(utils.sqlite_base) != old_size:
print "The base of feeds (%s) has changed.\nReloading..." % utils.sqlite_base
self.update()
old_size = os.path.getsize(utils.sqlite_base)
except KeyboardInterrupt:
pass
print "Stop watching", utils.sqlite_base
if __name__ == '__main__':
# Point of entry in execution mode
LOCKER = threading.Lock()
root = Root()
if not os.path.isfile(utils.sqlite_base):
# create the SQLite base if not exists
utils.create_base()
# load the informations from base in memory
root.update()
# launch the available base monitoring method (gamin or classic)
try:
import gamin
thread_watch_base = threading.Thread(None, root.watch_base, None, ())
except:
print "The gamin module is not installed."
print "The base of feeds will be monitored with the simple method."
thread_watch_base = threading.Thread(None, root.watch_base_classic, None, ())
thread_watch_base.setDaemon(True)
thread_watch_base.start()
cherrypy.quickstart(root, config=path)
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