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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: 3.1 $"
__date__ = "$Date: 2010/01/29 $"
__revision__ = "$Date: 2011/11/29 $"
__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
from qrcode.pyqrnative.PyQRNative import QRCode, QRErrorCorrectLevel, CodeOverflowException
from qrcode import qr
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, 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 />\n""" % \
(self.nb_articles, self.nb_unread_articles)
html += """Database: %s.\n<br />Size: %s bytes.<br />\n""" % \
(os.path.abspath(utils.sqlite_base), os.path.getsize(utils.sqlite_base))
html += '<a href="/statistics/">Advanced statistics.</a></p>\n'
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 />"
html += htmlfooter
return html
management.exposed = True
def statistics(self, word_size=6):
"""
More advanced statistics.
"""
html = htmlheader()
html += htmlnav
html += """<div class="left inner">\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
statistics.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>"""
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 />"
# 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:
if len(utils.clear_string(description)) > 4296:
raise Exception()
f = qr.QRUrl(url = utils.clear_string(description))
f.make()
except:
f = qr.QRUrl(url = article.article_link)
f.make()
f.save("./var/qrcode/"+article_id+".png")
# 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 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)
# 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<a href="/var/qrcode/%s.png"><img src="/var/qrcode/%s.png" title="Share with your smartphone" width="500" height="500" /></a>""" % (article_id, 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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