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|
#! /usr/bin/env python
#-*- coding: utf-8 -*-
# pyAggr3g470r - A Web based news aggregator.
# Copyright (C) 2010 Cédric Bonhomme - http://cedricbonhomme.org/
#
# For more information : http://bitbucket.org/cedricbonhomme/pyaggr3g470r/
#
# 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 3 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, see <http://www.gnu.org/licenses/>
__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 2.9 $"
__date__ = "$Date: 2010/01/29 $"
__revision__ = "$Date: 2011/10/24 $"
__copyright__ = "Copyright (c) Cedric Bonhomme"
__license__ = "GPLv3"
#
# This file contains the "Root" class which describes
# all pages of pyAggr3g470r. These pages are:
# - main page;
# - management;
# - history;
# - favorites;
# - notifications;
# - unread;
# - feed summary.
#
import os
import re
import time
import sqlite3
import cherrypy
import calendar
import threading
from collections import Counter
import datetime
import utils
import export
import feedgetter
import PyQRNative
def error_page_404(status, message, traceback, version):
"""
Display an error if the page does not exist.
"""
html = htmlheader()
html += htmlnav
html += "<br /><br />Error %s - This page does not exist." % status
html += "\n<hr />\n" + htmlfooter
return html
def handle_error():
"""
Handle different type of errors.
"""
html = htmlheader()
html += htmlnav
html += "<br /><br />Sorry, an error occured"
html += "\n<hr />\n" + htmlfooter
cherrypy.response.status = 500
cherrypy.response.body = [html]
def htmlheader(nb_unread_articles=""):
"""
Return the header of the HTML page with the number of unread articles
in the 'title' HTML tag..
"""
return '<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">\n' + \
'<head>' + \
'\n\t<title>'+ nb_unread_articles +'pyAggr3g470r - News aggregator</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' + \
'\n\t<script type="text/javascript" src="https://apis.google.com/js/plusone.js"></script>\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><div class="right innerlogo"><a href="/"><img src="/img/tuxrss.png"' + \
""" title="What's new today?"/></a>""" + \
'</div><a name="top"><a href="/">pyAggr3g470r - News aggregator</a></a></h1>\n<a' + \
' href="http://bitbucket.org/cedricbonhomme/pyaggr3g470r/" rel="noreferrer" target="_blank">' + \
'pyAggr3g470r (source code)</a>'
class Root:
"""
Root class.
All pages of pyAggr3g470r are described in this class.
"""
def index(self):
"""
Main page containing the list of feeds and articles.
"""
# if there are unread articles, display the number in the tab of the browser
html = htmlheader((self.nb_unread_articles and \
['(' + str(self.nb_unread_articles) +') '] or \
[""])[0])
html += htmlnav
html += self.create_right_menu()
html += """<div class="left inner">\n"""
if self.feeds:
html += '<a href="/management/"><img src="/img/management.png" title="Management" /></a>\n'
html += '<a href="/history/"><img src="/img/history.png" title="History" /></a>\n'
html += ' \n'
html += """<a href="/favorites/"><img src="/img/heart-32x32.png" title="Your favorites (%s)" /></a>\n""" % \
(self.nb_favorites,)
html += """<a href="/notifications/"><img src="/img/email-follow.png" title="Active e-mail notifications (%s)" /></a>\n""" % \
(self.nb_mail_notifications,)
html += ' '
if self.nb_unread_articles != 0:
html += '<a href="/mark_as_read/"><img src="/img/mark-as-read.png" title="Mark articles as read" /></a>\n'
html += """<a href="/unread/"><img src="/img/unread.png" title="Unread article(s): %s" /></a>\n""" % \
(self.nb_unread_articles,)
html += '<a accesskey="F" href="/fetch/"><img src="/img/check-news.png" title="Check for news" /></a>\n'
# The main page display all the feeds.
for feed in self.feeds.values():
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""" % \
(feed.feed_id, feed.feed_site_link, feed.feed_title, \
feed.feed_link, feed.feed_image)
# The main page display only 10 articles by feeds.
for article in feed.articles.values()[:10]:
if article.article_readed == "0":
# not readed articles are in bold
not_read_begin, not_read_end = "<b>", "</b>"
else:
not_read_begin, not_read_end = "", ""
# display a heart for faved articles
if article.like == "1":
like = """ <img src="/img/heart.png" title="I like this article!" />"""
else:
like = ""
# Descrition for the CSS ToolTips
article_content = utils.clear_string(article.article_description)
if article_content:
description = " ".join(article_content.split(' ')[:55])
else:
description = "No description."
# Title of the article
article_title = article.article_title
if len(article_title) >= 110:
article_title = article_title[:110] + " ..."
# a description line per article (date, title of the article and
# CSS description tooltips on mouse over)
html += article.article_date + " - " + \
"""<a class="tooltip" href="/article/%s:%s" rel="noreferrer" target="_blank">%s%s%s<span class="classic">%s</span></a>""" % \
(feed.feed_id, article.article_id, not_read_begin, \
article_title, not_read_end, description) + like + "<br />\n"
html += "<br />\n"
# some options for the current feed
html += """<a href="/articles/%s">All articles</a> """ % (feed.feed_id,)
html += """<a href="/feed/%s">Feed summary</a> """ % (feed.feed_id,)
if feed.nb_unread_articles != 0:
html += """ <a href="/mark_as_read/Feed_FromMainPage:%s">Mark all as read</a>""" % (feed.feed_id,)
html += """ <a href="/unread/%s" title="Unread article(s)">Unread article(s) (%s)</a>""" % (feed.feed_id, feed.nb_unread_articles)
if feed.mail == "0":
html += """<br />\n<a href="/mail_notification/1:%s" title="By e-mail">Stay tuned</a>""" % (feed.feed_id,)
else:
html += """<br />\n<a href="/mail_notification/0:%s" title="By e-mail">Stop staying tuned</a>""" % (feed.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 += """<form method=get action="/q/"><input type="search" name="querystring" value="" placeholder="Search articles" maxlength=2048 autocomplete="on"></form>\n"""
html += "<hr />\n"
# insert the list of feeds in the menu
html += self.create_list_of_feeds()
html += "</div>\n"
return html
def create_list_of_feeds(self):
"""
Create the list of feeds.
"""
html = """<div class="nav_container">Your feeds (%s):<br />\n""" % len(self.feeds)
for feed in self.feeds.values():
if feed.nb_unread_articles != 0:
# not readed articles are in bold
not_read_begin, not_read_end = "<b>", "</b>"
else:
not_read_begin, not_read_end = "", ""
html += """<div><a href="/#%s">%s</a> (<a href="/unread/%s" title="Unread article(s)">%s%s%s</a> / %s)</div>""" % \
(feed.feed_id, feed.feed_title, feed.feed_id, not_read_begin, \
feed.nb_unread_articles, not_read_end, feed.nb_articles)
return html + "</div>"
def management(self, word_size=6, max_nb_articles=5):
"""
Management page.
Allows adding and deleting feeds. Export functions of the SQLite data base
and display some statistics.
"""
html = htmlheader()
html += htmlnav
html += """<div class="left inner">\n"""
html += "<h1>Add Feeds</h1>\n"
# Form: add a feed
html += """<form method=get action="/add_feed/"><input type="url" name="url" placeholder="URL of a site" maxlength=2048 autocomplete="off">\n<input type="submit" value="OK"></form>\n"""
if self.feeds:
# Form: delete a feed
html += "<h1>Delete Feeds</h1>\n"
html += """<form method=get action="/remove_feed/"><select name="feed_id">\n"""
for feed in self.feeds.values():
html += """\t<option value="%s">%s</option>\n""" % (feed.feed_id, feed.feed_title)
html += """</select><input type="submit" value="OK"></form>\n"""
html += """<p>Active e-mail notifications: <a href="/notifications/">%s</a></p>\n""" % \
(self.nb_mail_notifications,)
html += """<p>You like <a href="/favorites/">%s</a> article(s).</p>\n""" % \
(self.nb_favorites, )
html += "<hr />\n"
# Informations about the data base of articles
html += """<p>%s article(s) are loaded from the database with
<a href="/unread/">%s unread article(s)</a>.<br />""" % \
(self.nb_articles, self.nb_unread_articles)
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="/drop_base">\n<input type="submit" value="Delete all articles"></form>\n"""
html += '<form method=get action="/set_max_articles/">\n'
html += "For each feed only load the "
html += """<input type="number" name="max_nb_articles" value="%s" min="1" step="1" size="2">\n""" % (max_nb_articles)
html += " last articles."
if utils.MAX_NB_ARTICLES == -1:
html += "<br />All articles are currently loaded.\n"
else:
html += "<br />For each feed only " + str(utils.MAX_NB_ARTICLES) + " articles are currently loaded. "
html += '<a href="/set_max_articles/-1">Load all articles.</a><br />\n'
html += "</form>\n"
# Export functions
html += "<h1>Export articles</h1>\n\n"
html += """<form method=get action="/export/"><select name="export_method">\n"""
html += """\t<option value="export_html" selected='selected'>HTML (simple Webzine)</option>\n"""
html += """\t<option value="export_epub">ePub</option>\n"""
html += """\t<option value="export_pdf">PDF</option>\n"""
html += """\t<option value="export_txt">Text</option>\n"""
html += """</select>\n\t<input type="submit" value="Export">\n</form>\n"""
html += "<hr />\n\n"
# Some statistics (most frequent word)
if self.feeds:
self.top_words = utils.top_words(self.feeds, n=50, size=int(word_size))
html += "<h1>Statistics</h1>\n<br />\n"
# Tags cloud
html += 'Minimum size of a word:'
html += '<form method=get action="/management/">'
html += """<input type="number" name="word_size" value="%s" min="2" max="15" step="1" size="2">""" % (word_size)
html += '<input type="submit" value="OK"></form>\n'
html += '<br /><h3>Tag cloud</h3>\n'
html += '<div style="width: 35%; overflow:hidden; text-align: justify">' + \
utils.tag_cloud(self.top_words) + '</div>'
html += "<hr />\n"
html += htmlfooter
return html
management.exposed = True
def q(self, querystring=None):
"""
Simply search for the string 'querystring'
in the description of the article.
"""
param, _, value = querystring.partition(':')
wordre = re.compile(r'\b%s\b' % param, re.I)
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.feeds[feed_id].articles.values():
article_content = utils.clear_string(article.article_description)
if not article_content:
utils.clear_string(article.article_title)
if wordre.findall(article_content) != []:
if article.article_readed == "0":
# not readed articles are in bold
not_read_begin, not_read_end = "<b>", "</b>"
else:
not_read_begin, not_read_end = "", ""
html += article.article_date + " - " + not_read_begin + \
"""<a href="/article/%s:%s" rel="noreferrer" target="_blank">%s</a>""" % \
(feed_id, article.article_id, article.article_title) + \
not_read_end + """<br />\n"""
else:
for feed in self.feeds.values():
new_feed_section = True
for article in feed.articles.values():
article_content = utils.clear_string(article.article_description)
if not article_content:
utils.clear_string(article.article_title)
if wordre.findall(article_content) != []:
if new_feed_section is True:
new_feed_section = False
html += """<h2><a href="/articles/%s" rel="noreferrer" target="_blank">%s</a><a href="%s" rel="noreferrer" target="_blank"><img src="%s" width="28" height="28" /></a></h2>\n""" % \
(feed.feed_id, feed.feed_title, feed.feed_link, feed.feed_image)
if article.article_readed == "0":
# not readed articles are in bold
not_read_begin, not_read_end = "<b>", "</b>"
else:
not_read_begin, not_read_end = "", ""
# display a heart for faved articles
if article.like == "1":
like = """ <img src="/img/heart.png" title="I like this article!" />"""
else:
like = ""
# descrition for the CSS ToolTips
article_content = utils.clear_string(article.article_description)
if article_content:
description = " ".join(article_content[:500].split(' ')[:-1])
else:
description = "No description."
# a description line per article (date, title of the article and
# CSS description tooltips on mouse over)
html += article.article_date + " - " + \
"""<a class="tooltip" href="/article/%s:%s" rel="noreferrer" target="_blank">%s%s%s<span class="classic">%s</span></a>""" % \
(feed.feed_id, article.article_id, not_read_begin, \
article.article_title[:150], not_read_end, description) + like + "<br />\n"
html += "<hr />"
html += htmlfooter
return html
q.exposed = True
def fetch(self):
"""
Fetch all feeds.
"""
feed_getter = feedgetter.FeedGetter()
feed_getter.retrieve_feed()
return self.index()
fetch.exposed = True
def article(self, param):
"""
Display the article in parameter in a new Web page.
"""
try:
feed_id, article_id = param.split(':')
feed, article = self.feeds[feed_id], self.feeds[feed_id].articles[article_id]
except:
return self.error_page("Bad URL. This article do not exists.")
html = htmlheader()
html += htmlnav
html += """<div>"""
# Generation of the QR Code for the current article
try:
os.makedirs("./var/qrcode/")
except OSError:
pass
if not os.path.isfile("./var/qrcode/" + article_id + ".png"):
# QR Code generation
try:
qr = PyQRNative.QRCode(7, PyQRNative.QRErrorCorrectLevel.L)
qr.addData(article.article_link)
qr.make()
im = qr.makeImage()
im.save("./var/qrcode/"+article_id+".png", format='png')
except Exception, e:
# Code length overflow
print e
if article.article_readed == "0":
# if the current article is not yet readed, update the database
self.mark_as_read("Article:"+article.article_link)
html += '\n<div style="width: 50%; overflow:hidden; text-align: justify; margin:0 auto">\n'
# Title of the article
html += """<h1><i>%s</i> from <a href="/feed/%s">%s</a></h1>\n<br />\n""" % \
(article.article_title, feed_id, feed.feed_title)
if article.like == "1":
html += """<a href="/like/0:%s:%s"><img src="/img/heart.png" title="I like this article!" /></a>""" % \
(feed_id, article.article_id)
else:
html += """<a href="/like/1:%s:%s"><img src="/img/heart_open.png" title="Click if you like this article." /></a>""" % \
(feed_id, article.article_id)
html += """ <a href="/delete_article/%s:%s"><img src="/img/cross.png" title="Delete this article" /></a>""" % \
(feed_id, article.article_id)
html += "<br /><br />"
# Description (full content) of the article
description = article.article_description
if description:
p = re.compile(r'<code><')
q = re.compile(r'></code>')
description = p.sub('<code><', description)
description = q.sub('></code>', description)
html += description + "\n<br /><br /><br />"
else:
html += "No description available.\n<br /><br /><br />"
# Previous and following articles
try:
following = feed.articles.values()[feed.articles.keys().index(article_id) - 1]
html += """<div style="float:right;"><a href="/article/%s:%s" title="%s"><img src="/img/following-article.png" /></a></div>\n""" % \
(feed_id, following.article_id, following.article_title)
except:
pass
try:
previous = feed.articles.values()[feed.articles.keys().index(article_id) + 1]
except:
previous = feed.articles.values()[0]
finally:
html += """<div style="float:left;"><a href="/article/%s:%s" title="%s"><img src="/img/previous-article.png" /></a></div>\n""" % \
(feed_id, previous.article_id, previous.article_title)
html += "\n</div>\n"
# Footer menu
html += "<hr />\n"
html += """\n<a href="/plain_text/%s:%s">Plain text</a>\n""" % (feed_id, article.article_id)
html += """ - <a href="/epub/%s:%s">Export to EPUB</a>\n""" % (feed_id, article.article_id)
html += """<br />\n<a href="%s">Complete story</a>\n<br />\n""" % (article.article_link,)
# Share this article:
html += "Share this article:<br />\n"
# on Diaspora
html += """<a href="javascript:(function(){f='https://%s/bookmarklet?url=%s&title=%s&notes=%s&v=1&';a=function(){if(!window.open(f+'noui=1&jump=doclose','diasporav1','location=yes,links=no,scrollbars=no,toolbar=no,width=620,height=250'))location.href=f+'jump=yes'};if(/Firefox/.test(navigator.userAgent)){setTimeout(a,0)}else{a()}})()">\n\t
<img src="/img/diaspora.png" title="Share on Diaspora" /></a>\n""" % \
(utils.DIASPORA_POD, article.article_link, article.article_title, "via pyAggr3g470r")
# on Identi.ca
html += """\n\n<a href="http://identi.ca/index.php?action=newnotice&status_textarea=%s: %s" title="Share on Identi.ca" target="_blank"><img src="/img/identica.png" /></a>""" % \
(article.article_title, article.article_link)
# on Pinboard
html += """\n\n\t<a href="https://api.pinboard.in/v1/posts/add?url=%s&description=%s"
rel="noreferrer" target="_blank">\n
<img src="/img/pinboard.png" title="Share on Pinboard" /></a>""" % \
(article.article_link, article.article_title)
# on delicious
html += """\n\n\t<a href="http://delicious.com/post?url=%s&title=%s"
rel="noreferrer" target="_blank">\n
<img src="/img/delicious.png" title="Share on del.iciou.us" /></a>""" % \
(article.article_link, article.article_title)
# on Digg
html += """\n\n\t<a href="http://digg.com/submit?url=%s&title=%s"
rel="noreferrer" target="_blank">\n
<img src="/img/digg.png" title="Share on Digg" /></a>""" % \
(article.article_link, article.article_title)
# on reddit
html += """\n\n\t<a href="http://reddit.com/submit?url=%s&title=%s"
rel="noreferrer" target="_blank">\n
<img src="/img/reddit.png" title="Share on reddit" /></a>""" % \
(article.article_link, article.article_title)
# on Scoopeo
html += """\n\n\t<a href="http://scoopeo.com/scoop/new?newurl=%s&title=%s"
rel="noreferrer" target="_blank">\n
<img src="/img/scoopeo.png" title="Share on Scoopeo" /></a>""" % \
(article.article_link, article.article_title)
# on Blogmarks
html += """\n\n\t<a href="http://blogmarks.net/my/new.php?url=%s&title=%s"
rel="noreferrer" target="_blank">\n
<img src="/img/blogmarks.png" title="Share on Blogmarks" /></a>""" % \
(article.article_link, article.article_title)
# on Twitter
html += """\n\n\t<a href="http://twitter.com/share" class="twitter-share-button" data-url="%s" data-text="%s" data-count="horizontal">Tweet</a><script type="text/javascript" src="http://platform.twitter.com/widgets.js"></script>\n""" % \
(article.article_link, article.article_title)
# on Google Buzz with counter
html += """<br /><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>\n""" % \
(article.article_link,)
# Google +1 button
html += """\n\n<g:plusone size="standard" count="true" href="%s"></g:plusone>""" % \
(article.article_link,)
# QRCode (for smartphone)
html += """<br />\n<img src="/var/qrcode/%s.png" title="Share with your smartphone" />""" % (article_id,)
html += "<hr />\n" + htmlfooter
return html
article.exposed = True
def feed(self, feed_id, word_size=6):
"""
This page gives summary informations about a feed (number of articles,
unread articles, average activity, tag cloud, e-mail notification and
favourite articles for the current feed.
"""
try:
feed = self.feeds[feed_id]
except KeyError:
return self.error_page("This feed do not exists.")
html = htmlheader()
html += htmlnav
html += """<div class="left inner">"""
html += "<p>The feed <b>" + feed.feed_title + "</b> contains <b>" + str(feed.nb_articles) + "</b> articles. "
html += "Representing " + str((round(float(feed.nb_articles) / self.nb_articles, 4)) * 100) + " % of the total "
html += "(" + str(self.nb_articles) + ").</p>"
if feed.articles.values() != []:
html += "<p>" + (feed.nb_unread_articles == 0 and ["All articles are read"] or [str(feed.nb_unread_articles) + \
" unread article" + (feed.nb_unread_articles == 1 and [""] or ["s"])[0]])[0] + ".</p>"
if feed.mail == "1":
html += """<p>You are receiving articles from this feed to the address: <a href="mail:%s">%s</a>. """ % \
(utils.mail_to, utils.mail_to)
html += """<a href="/mail_notification/0:%s">Stop</a> receiving articles from this feed.</p>""" % \
(feed.feed_id, )
if feed.articles.values() != []:
last_article = utils.string_to_datetime(feed.articles.values()[0].article_date)
first_article = utils.string_to_datetime(feed.articles.values()[-1].article_date)
delta = last_article - first_article
delta_today = datetime.datetime.fromordinal(datetime.date.today().toordinal()) - last_article
html += "<p>The last article was posted " + str(abs(delta_today.days)) + " day(s) ago.</p>"
if delta.days > 0:
html += """<p>Daily average: %s,""" % (str(round(float(feed.nb_articles)/abs(delta.days), 2)),)
html += """ between the %s and the %s.</p>\n""" % \
(feed.articles.values()[-1].article_date[:10], feed.articles.values()[0].article_date[:10])
html += "<br /><h1>Recent articles</h1>"
for article in feed.articles.values()[:10]:
if article.article_readed == "0":
# not readed articles are in bold
not_read_begin, not_read_end = "<b>", "</b>"
else:
not_read_begin, not_read_end = "", ""
# display a heart for faved articles
if article.like == "1":
like = """ <img src="/img/heart.png" title="I like this article!" />"""
else:
like = ""
# Descrition for the CSS ToolTips
article_content = utils.clear_string(article.article_description)
if article_content:
description = " ".join(article_content[:500].split(' ')[:-1])
else:
description = "No description."
# Title of the article
article_title = article.article_title
if len(article_title) >= 110:
article_title = article_title[:110] + " ..."
# a description line per article (date, title of the article and
# CSS description tooltips on mouse over)
html += article.article_date + " - " + \
"""<a class="tooltip" href="/article/%s:%s" rel="noreferrer" target="_blank">%s%s%s<span class="classic">%s</span></a>""" % \
(feed.feed_id, article.article_id, not_read_begin, \
article_title, not_read_end, description) + like + "<br />\n"
html += "<br />\n"
html += """<a href="/articles/%s">All articles</a> """ % (feed.feed_id,)
favs = [article for article in feed.articles.values() if article.like == "1"]
if len(favs) != 0:
html += "<br /></br /><h1>Your favorites articles for this feed</h1>"
for article in favs:
if article.like == "1":
# descrition for the CSS ToolTips
article_content = utils.clear_string(article.article_description)
if article_content:
description = " ".join(article_content[:500].split(' ')[:-1])
else:
description = "No description."
# a description line per article (date, title of the article and
# CSS description tooltips on mouse over)
html += article.article_date + " - " + \
"""<a class="tooltip" href="/article/%s:%s" rel="noreferrer" target="_blank">%s<span class="classic">%s</span></a><br />\n""" % \
(feed.feed_id, article.article_id, article.article_title[:150], description)
# This section enables the user to edit informations about
# the current feed:
# - feed logo;
# - feed name;
# - URL of the feed (not the site);
html += "<br />\n<h1>Edit this feed</h1>\n"
html += '\n\n<form method=post action="/change_feed_name/">' + \
'<input type="text" name="new_feed_name" value="" ' + \
'placeholder="Enter a new name (then press Enter)." maxlength=2048 autocomplete="on" size="50" />' + \
"""<input type="hidden" name="feed_url" value="%s" /></form>\n""" % \
(feed.feed_link,)
html += '\n\n<form method=post action="/change_feed_url/">' + \
'<input type="url" name="new_feed_url" value="" ' + \
'placeholder="Enter a new URL in order to retrieve articles (then press Enter)." maxlength=2048 autocomplete="on" size="50" />' + \
"""<input type="hidden" name="old_feed_url" value="%s" /></form>\n""" % \
(feed.feed_link,)
html += '\n\n<form method=post action="/change_feed_logo/">' + \
'<input type="url" name="new_feed_logo" value="" ' + \
'placeholder="Enter the URL of the logo (then press Enter)." maxlength=2048 autocomplete="on" size="50" />' + \
"""<input type="hidden" name="feed_url" value="%s" /></form>\n""" % \
(feed.feed_link,)
dic = {}
dic[feed.feed_id] = self.feeds[feed.feed_id]
top_words = utils.top_words(dic, n=50, size=int(word_size))
html += "</br /><h1>Tag cloud</h1>\n<br />\n"
# Tags cloud
html += 'Minimum size of a word:'
html += """<form method=get action="/feed/%s">""" % (feed.feed_id,)
html += """<input type="number" name="word_size" value="%s" min="2" max="15" step="1" size="2">""" % (word_size,)
html += '<input type="submit" value="OK"></form>\n'
html += '<div style="width: 35%; overflow:hidden; text-align: justify">' + \
utils.tag_cloud(top_words) + '</div>'
html += "<br />"
html += "<hr />"
html += htmlfooter
return html
feed.exposed = True
def articles(self, feed_id):
"""
This page displays all articles of a feed.
"""
try:
feed = self.feeds[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/%s"><input type="search" name="querystring" value="" placeholder="Search this feed" maxlength=2048 autocomplete="on"></form>\n""" % ("Feed:"+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 />""" % (feed.feed_title)
for article in feed.articles.values():
if article.article_readed == "0":
# not readed articles are in bold
not_read_begin, not_read_end = "<b>", "</b>"
else:
not_read_begin, not_read_end = "", ""
if article.like == "1":
like = """ <img src="/img/heart.png" title="I like this article!" />"""
else:
like = ""
# descrition for the CSS ToolTips
article_content = utils.clear_string(article.article_description)
if article_content:
description = " ".join(article_content[:500].split(' ')[:-1])
else:
description = "No description."
# a description line per article (date, title of the article and
# CSS description tooltips on mouse over)
html += article.article_date + " - " + \
"""<a class="tooltip" href="/article/%s:%s" rel="noreferrer" target="_blank">%s%s%s<span class="classic">%s</span></a>""" % \
(feed.feed_id, article.article_id, not_read_begin, \
article.article_title[:150], not_read_end, description) + like + "<br />\n"
html += """\n<h4><a href="/">All feeds</a></h4>"""
html += "<hr />\n"
html += htmlfooter
return html
articles.exposed = True
def unread(self, feed_id=""):
"""
This page displays all unread articles of a feed.
"""
html = htmlheader()
html += htmlnav
html += """<div class="left inner">"""
if self.nb_unread_articles != 0:
if feed_id == "":
html += "<h1>Unread article(s)</h1>"
html += """\n<br />\n<a href="/mark_as_read/">Mark articles as read</a>\n<hr />\n"""
for feed in self.feeds.values():
new_feed_section = True
nb_unread = 0
for article in feed.articles.values():
if article.article_readed == "0":
nb_unread += 1
if new_feed_section is True:
new_feed_section = False
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""" % \
(feed.feed_id, feed.feed_site_link, feed.feed_title, feed.feed_link, feed.feed_image)
# descrition for the CSS ToolTips
article_content = utils.clear_string(article.article_description)
if article_content:
description = " ".join(article_content[:500].split(' ')[:-1])
else:
description = "No description."
# a description line per article (date, title of the article and
# CSS description tooltips on mouse over)
html += article.article_date + " - " + \
"""<a class="tooltip" href="/article/%s:%s" rel="noreferrer" target="_blank">%s<span class="classic">%s</span></a><br />\n""" % \
(feed.feed_id, article.article_id, article.article_title[:150], description)
if nb_unread == feed.nb_unread_articles:
html += """<br />\n<a href="/mark_as_read/Feed:%s">Mark all articles from this feed as read</a>\n""" % \
(feed.feed_id,)
html += """<hr />\n<a href="/mark_as_read/">Mark articles as read</a>\n"""
else:
try:
feed = self.feeds[feed_id]
except:
self.error_page("This feed do not exists.")
html += """<h1>Unread article(s) of the feed <a href="/articles/%s">%s</a></h1>
<br />""" % (feed.feed_id, feed.feed_title)
for article in feed.articles.values():
if article.article_readed == "0":
# descrition for the CSS ToolTips
article_content = utils.clear_string(article.article_description)
if article_content:
description = " ".join(article_content[:500].split(' ')[:-1])
else:
description = "No description."
# a description line per article (date, title of the article and
# CSS description tooltips on mouse over)
html += article.article_date + " - " + \
"""<a class="tooltip" href="/article/%s:%s" rel="noreferrer" target="_blank">%s<span class="classic">%s</span></a><br />\n""" % \
(feed.feed_id, article.article_id, article.article_title[:150], description)
html += """<hr />\n<a href="/mark_as_read/Feed:%s">Mark all as read</a>""" % (feed.feed_id,)
else:
html += '<h1>No unread article(s)</h1>\n<br />\n<a href="/fetch/">Why not check for news?</a>'
html += """\n<h4><a href="/">All feeds</a></h4>"""
html += "<hr />\n"
html += htmlfooter
return html
unread.exposed = True
def history(self, querystring="all", m=""):
"""
This page enables to browse articles chronologically.
"""
html = htmlheader()
html += htmlnav
html += """<div class="left inner">\n"""
# Get the date from the tag cloud
# Format: /history/?querystring=year:2011-month:06 to get the
# list of articles of June, 2011.
if m != "":
querystring = """year:%s-month:%s""" % tuple(m.split('-'))
if querystring == "all":
html += "<h1>Search with tags cloud</h1>\n"
html += "<h4>Choose a year</h4></br >\n"
if "year" in querystring:
the_year = querystring.split('-')[0].split(':')[1]
if "month" not in querystring:
html += "<h1>Choose a month for " + the_year + "</h1></br >\n"
if "month" in querystring:
the_month = querystring.split('-')[1].split(':')[1]
html += "<h1>Articles of "+ calendar.month_name[int(the_month)] + \
", "+ the_year +".</h1><br />\n"
timeline = Counter()
for feed in self.feeds.values():
new_feed_section = True
for article in feed.articles.values():
if querystring == "all":
timeline[article.article_date.split(' ')[0].split('-')[0]] += 1
elif querystring[:4] == "year":
if article.article_date.split(' ')[0].split('-')[0] == the_year:
timeline[article.article_date.split(' ')[0].split('-')[1]] += 1
if "month" in querystring:
if article.article_date.split(' ')[0].split('-')[1] == the_month:
if article.article_readed == "0":
# not readed articles are in bold
not_read_begin, not_read_end = "<b>", "</b>"
else:
not_read_begin, not_read_end = "", ""
if article.like == "1":
like = """ <img src="/img/heart.png" title="I like this article!" />"""
else:
like = ""
# Descrition for the CSS ToolTips
article_content = utils.clear_string(article.article_description)
if article_content:
description = " ".join(article_content[:500].split(' ')[:-1])
else:
description = "No description."
# Title of the article
article_title = article.article_title
if len(article_title) >= 110:
article_title = article_title[:110] + " ..."
if new_feed_section is True:
new_feed_section = False
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""" % \
(feed.feed_id, feed.feed_site_link, feed.feed_title, feed.feed_link, feed.feed_image)
html += article.article_date.split(' ')[0][-2:] + " (" + \
article.article_date.split(' ')[1] + ") - " + \
"""<a class="tooltip" href="/article/%s:%s" rel="noreferrer" target="_blank">%s%s%s<span class="classic">%s</span></a>""" % \
(feed.feed_id, article.article_id, not_read_begin, \
article_title, not_read_end, description) + like + "<br />\n"
if querystring == "all":
query = "year"
elif "year" in querystring:
query = "year:" + the_year + "-month"
if "month" not in querystring:
html += '<div style="width: 35%; overflow:hidden; text-align: justify">' + \
utils.tag_cloud([(elem, timeline[elem]) for elem in timeline.keys()], query) + '</div>'
html += '<br /><br /><h1>Search with a month+year picker</h1>\n'
html += '<form>\n\t<input name="m" type="month">\n\t<input type="submit" value="Go">\n</form>'
html += '<hr />'
html += htmlfooter
return html
history.exposed = True
def plain_text(self, target):
"""
Display an article in plain text (without HTML tags).
"""
try:
feed_id, article_id = target.split(':')
feed, article = self.feeds[feed_id], self.feeds[feed_id].articles[article_id]
except:
return self.error_page("Bad URL. This article do not exists.")
html = htmlheader()
html += htmlnav
html += """<div class="left inner">"""
html += """<h1><i>%s</i> from <a href="/articles/%s">%s</a></h1>\n<br />\n"""% \
(article.article_title, feed_id, feed.feed_title)
description = utils.clear_string(article.article_description)
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.
"""
param, _, identifiant = target.partition(':')
try:
LOCKER.acquire()
conn = sqlite3.connect(utils.sqlite_base, isolation_level = None)
c = conn.cursor()
# Mark all articles as read.
if param == "":
c.execute("UPDATE articles SET article_readed=1 WHERE article_readed='0'")
# Mark all articles from a feed as read.
elif param == "Feed" or param == "Feed_FromMainPage":
c.execute("UPDATE articles SET article_readed=1 WHERE article_readed='0' AND feed_link='" + \
self.feeds[identifiant].feed_link + "'")
# 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.")
finally:
LOCKER.release()
if param == "" or param == "Feed_FromMainPage":
return self.index()
elif param == "Feed":
return self.articles(identifiant)
mark_as_read.exposed = True
def notifications(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 feed in self.feeds.values():
if feed.mail == "1":
html += """\t<a href="/articles/%s">%s</a> - <a href="/mail_notification/0:%s">Stop</a><br />\n""" % \
(feed.feed_id, feed.feed_title, feed.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
notifications.exposed = True
def mail_notification(self, param):
"""
Enable or disable to notifications of news for a feed.
"""
try:
action, feed_id = param.split(':')
feed = self.feeds[feed_id]
except:
return self.error_page("Bad URL. This feed do not exists.")
conn = sqlite3.connect(utils.sqlite_base, isolation_level = None)
try:
c = conn.cursor()
c.execute("""UPDATE feeds SET mail=%s WHERE feed_site_link='%s'""" % (action, self.feeds[feed_id].feed_site_link))
except:
return self.error_page("Error")
finally:
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(':')
article = self.feeds[feed_id].articles[article_id]
except:
return self.error_page("Bad URL. This article do not exists.")
conn = sqlite3.connect(utils.sqlite_base, isolation_level = None)
try:
c = conn.cursor()
c.execute("""UPDATE articles SET like=%s WHERE article_link='%s'""" % (action, article.article_link))
except Exception:
self.error_page("Impossible to like/dislike this article (database error).")
finally:
conn.commit()
c.close()
return self.article(feed_id+":"+article_id)
like.exposed = True
def favorites(self):
"""
List of favorites articles
"""
html = htmlheader()
html += htmlnav
html += """<div class="left inner">"""
html += "<h1>Your favorites articles</h1>"
for feed in self.feeds.values():
new_feed_section = True
for article in feed.articles.values():
if article.like == "1":
if new_feed_section is True:
new_feed_section = False
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""" % \
(feed.feed_id, feed.feed_site_link, feed.feed_title, feed.feed_link, feed.feed_image)
# descrition for the CSS ToolTips
article_content = utils.clear_string(article.article_description)
if article_content:
description = " ".join(article_content[:500].split(' ')[:-1])
else:
description = "No description."
# a description line per article (date, title of the article and
# CSS description tooltips on mouse over)
html += article.article_date + " - " + \
"""<a class="tooltip" href="/article/%s:%s" rel="noreferrer" target="_blank">%s<span class="classic">%s</span></a><br />\n""" % \
(feed.feed_id, article.article_id, article.article_title[:150], description)
html += "<hr />\n"
html += htmlfooter
return html
favorites.exposed = True
def add_feed(self, url):
"""
Add a new feed with the URL of a page.
"""
html = htmlheader()
html += htmlnav
html += """<div class="left inner">"""
# search the feed in the HTML page with BeautifulSoup
feed_url = utils.search_feed(url)
if feed_url is None:
return self.error_page("Impossible to find a feed at this URL.")
# if a feed exists
else:
result = utils.add_feed(feed_url)
# if the feed is not in the file feed.lst
if result is False:
html += "<p>You are already following this feed!</p>"
else:
html += """<p>Feed added. You can now <a href="/fetch/">fetch your feeds</a>.</p>"""
html += """\n<br />\n<a href="/management/">Back to the management page.</a><br />\n"""
html += "<hr />\n"
html += htmlfooter
return html
add_feed.exposed = True
def remove_feed(self, feed_id):
"""
Remove a feed from the file feed.lst and from the SQLite base.
"""
html = htmlheader()
html += htmlnav
html += """<div class="left inner">"""
try:
utils.remove_feed(self.feeds[feed_id].feed_link)
html += """<p>All articles from the feed <i>%s</i> are now removed from the base.</p><br />""" % \
(self.feeds[feed_id].feed_title,)
except:
return self.error_page("This feed do not exists.")
html += """<a href="/management/">Back to the management page.</a><br />\n"""
html += "<hr />\n"
html += htmlfooter
return html
remove_feed.exposed = True
def change_feed_url(self, new_feed_url, old_feed_url):
"""
Enables to change the URL of a feed already present in the database.
"""
html = htmlheader()
html += htmlnav
html += """<div class="left inner">"""
utils.change_feed_url(old_feed_url, new_feed_url)
html += "<p>The URL of the feed has been changed.</p>"
html += "<hr />\n"
html += htmlfooter
return html
change_feed_url.exposed = True
def change_feed_name(self, feed_url, new_feed_name):
"""
Enables to change the name of a feed.
"""
html = htmlheader()
html += htmlnav
html += """<div class="left inner">"""
utils.change_feed_name(feed_url, new_feed_name)
html += "<p>The name of the feed has been changed.</p>"
html += "<hr />\n"
html += htmlfooter
return html
change_feed_name.exposed = True
def change_feed_logo(self, feed_url, new_feed_logo):
"""
Enables to change the name of a feed.
"""
html = htmlheader()
html += htmlnav
html += """<div class="left inner">"""
utils.change_feed_logo(feed_url, new_feed_logo)
html += "<p>The logo of the feed has been changed.</p>"
html += "<hr />\n"
html += htmlfooter
return html
change_feed_logo.exposed = True
def set_max_articles(self, max_nb_articles=1):
"""
Enables to set the maximum of articles to be loaded per feed from
the data base.
"""
if max_nb_articles < -1 or max_nb_articles == 0:
max_nb_articles = 1
utils.MAX_NB_ARTICLES = int(max_nb_articles)
self.update()
return self.management()
set_max_articles.exposed = True
def delete_article(self, param):
"""
Delete an article.
"""
try:
feed_id, article_id = param.split(':')
article = self.feeds[feed_id].articles[article_id]
except:
return self.error_page("Bad URL. This article do not exists.")
try:
conn = sqlite3.connect(utils.sqlite_base, isolation_level = None)
c = conn.cursor()
c.execute("DELETE FROM articles WHERE article_link='" + article.article_link +"'")
except Exception, e:
return e
finally:
conn.commit()
c.close()
return self.index()
delete_article.exposed = True
def drop_base(self):
"""
Delete all articles.
"""
utils.drop_base()
return self.management()
drop_base.exposed = True
def export(self, export_method):
"""
Export articles currently loaded from the SQLite database with
the appropriate function of the 'export' module.
"""
try:
getattr(export, export_method)(self.feeds)
except Exception, e:
return self.error_page(e)
return self.management()
export.exposed = True
def epub(self, param):
"""
Export an article to EPUB.
"""
try:
from epub import ez_epub
except Exception, e:
return self.error_page(e)
try:
feed_id, article_id = param.split(':')
except:
return self.error_page("Bad URL.")
try:
feed = self.feeds[feed_id]
article = feed.articles[article_id]
except:
self.error_page("This article do not exists.")
try:
folder = utils.path + "/var/export/epub/"
os.makedirs(folder)
except OSError:
# directories already exists (not a problem)
pass
section = ez_epub.Section()
section.title = article.article_title.decode('utf-8')
section.paragraphs = [utils.clear_string(article.article_description).decode('utf-8')]
ez_epub.makeBook(article.article_title.decode('utf-8'), [feed.feed_title.decode('utf-8')], [section], \
os.path.normpath(folder) + "article.epub", lang='en-US', cover=None)
return self.article(param)
epub.exposed = True
#
# Monitoring functions
#
def update(self, path=None, event = None):
"""
Synchronizes transient objects (dictionary of feed and articles) with the database.
Called when a changes in the database is detected.
"""
self.feeds, \
self.nb_articles, self.nb_unread_articles, \
self.nb_favorites, self.nb_mail_notifications = utils.load_feed()
if self.feeds != {}:
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_time = os.path.getmtime(utils.sqlite_base)
try:
print "Watching %s" % utils.sqlite_base
while True:
time.sleep(1)
# simple test (date of last modification: getmtime)
if os.path.getmtime(utils.sqlite_base) != old_time:
print "The base of feeds (%s) has changed.\nReloading..." % utils.sqlite_base
self.update()
old_time = os.path.getmtime(utils.sqlite_base)
except KeyboardInterrupt:
pass
print "Stop watching", utils.sqlite_base
if __name__ == '__main__':
# Point of entry in execution mode
print "Launching pyAggr3g470r..."
LOCKER = threading.Lock()
root = Root()
root.favicon_ico = cherrypy.tools.staticfile.handler(filename=os.path.join(utils.path + "/img/favicon.png"))
cherrypy.config.update({ 'server.socket_port': 12556, 'server.socket_host': "0.0.0.0"})
cherrypy.config.update({'error_page.404': error_page_404})
_cp_config = {'request.error_response': handle_error}
if not os.path.isfile(utils.sqlite_base):
# create the SQLite base if not exists
print "Creating data base..."
utils.create_base()
# load the informations from base in memory
print "Loading informations from data base..."
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=utils.path + "/cfg/cherrypy.cfg")
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