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#! /usr/local/bin/python
#-*- coding: utf-8 -*-
__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 0.8 $"
__date__ = "$Date: 2010/02/23 $"
__copyright__ = "Copyright (c) 2010 Cedric Bonhomme"
__license__ = "GPLv3"
import re
import os
import pylab
import sqlite3
import hashlib
import cherrypy
import ConfigParser
from datetime import datetime
from string import punctuation
from collections import defaultdict
from cherrypy.lib.static import serve_file
import feedgetter
config = ConfigParser.RawConfigParser()
config.read("./cfg/pyAggr3g470r.cfg")
path = config.get('global','path')
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':path+'css/style.css'}, \
'/var/histogram.png':{'tools.staticfile.on': True, \
'tools.staticfile.filename':path+'var/histogram.png'}}
htmlheader = """<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"
lang="en">\n<head>\n<link rel="stylesheet" type="text/css" href="/css/style.css"
/>\n<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>\n
<title>pyAggr3g470r - RSS Feed Reader</title> </head>"""
htmlfooter = """<p>This software is under GPLv3 license. You are welcome to copy, modify or
redistribute the source code according to the GPLv3 license.</p></div>
</body></html>"""
htmlnav = """<body><h1><a name="top"><a href="/">pyAggr3g470r - RSS Feed Reader</a></a></h1><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.
"""
self.dic, self.dic_info = self.load_feed()
html = htmlheader
html += htmlnav
html += """<div class="right inner">\n"""
html += """<a href="/fetch/">Fetch all feeds</a>\n<br />\n"""
html += """<a href="/mark_as_read/All:">Mark all articles as read</a>\n<br />\n"""
html += """<a href="/management/">Management of feed</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 += """Your feeds (%s):<br />\n""" % len(self.dic.keys())
for rss_feed_id in self.dic.keys():
html += """<a href="/#%s">%s</a> (<a href="/unread/%s"
title="Unread article(s)">%s</a> / %s)<br />\n""" % \
(rss_feed_id.encode('utf-8'), \
self.dic[rss_feed_id][0][5].encode('utf-8'), \
rss_feed_id, self.dic_info[rss_feed_id][1], \
self.dic_info[rss_feed_id][0])
html += """</div>\n<div class="left inner">\n"""
for rss_feed_id in self.dic.keys():
html += '<h2><a name="' + rss_feed_id + '">' + \
'<a href="' + self.dic[rss_feed_id][0][6].encode('utf-8') + \
'" rel="noreferrer" target="_blank">' + \
self.dic[rss_feed_id][0][5].encode('utf-8') + "</a></a></h2>\n"
# The main page display only 10 articles by feeds.
for article in self.dic[rss_feed_id][:10]:
if article[7] == "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" rel="noreferrer" target="_blank">%s</a>""" % \
(article[0].encode('utf-8'), article[2].encode('utf-8')) + \
not_read_end + \
"<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.dic_info[rss_feed_id][1] != 0:
html += """ <a href="/unread/%s" title="Unread article(s)"
>Unread article(s) (%s)</a>""" % (rss_feed_id, \
self.dic_info[rss_feed_id][1])
html += """<h4><a href="/#top">Top</a></h4>"""
html += "<hr />\n"
html += htmlfooter
return html
def management(self):
"""
"""
self.dic, self.dic_info = self.load_feed()
html = htmlheader
html += htmlnav
html += """</div> <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"""
html += "<h1>Delete Feeds</h1>\n"
html += """<form method=get action="del_feed/"><select name="feed_list">\n"""
for feed_id in self.dic.keys():
html += """\t<option value="%s">%s</option>\n""" % \
(feed_id, self.dic[feed_id][0][5].encode('utf-8'))
html += """</select></form>\n"""
html += "<hr />\n"
html += """<p>The database contains a total of %s articles with
%s unread articles.<br />""" % \
(sum([feed[0] for feed in self.dic_info.values()]),
sum([feed[1] for feed in self.dic_info.values()]))
html += """Database: %s.\n<br />Size: %s bytes.</p>\n""" % \
(os.path.abspath("./var/feed.db"), os.path.getsize("./var/feed.db"))
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"
html += "<h1>Statistics</h1>\n"
N = 10
words = {}
article_content = ""
for rss_feed_id in self.dic.keys():
for article in self.dic[rss_feed_id]:
article_content += remove_html_tags(article[4].encode('utf-8') + article[2].encode('utf-8'))
words_gen = (word.strip(punctuation).lower() \
for word in article_content.split() \
if len(word) >= 5)
words = defaultdict(int)
for word in words_gen:
words[word] += 1
top_words = sorted(words.iteritems(),
key=lambda(word, count): (-count, word))[:N]
html += "<table border=0>\n<tr><td>"
html += "<ol>\n"
for word, frequency in top_words:
html += """\t<li><a href="/q/?querystring=%s">%s</a>: %s</li>\n""" % \
(word, word, frequency)
html += "</ol>\n</td><td>"
create_histogram(top_words)
html += """<img src="/var/histogram.png" /></td></tr></table>"""
html += "<hr />\n"
html += htmlfooter
return html
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> <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.dic[rss_feed_id]:
article_content = remove_html_tags(article[4].encode('utf-8') + article[2].encode('utf-8'))
if querystring.lower() in article_content.lower():
if article[7] == "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" rel="noreferrer" target="_blank">%s</a>""" % \
(article[0].encode('utf-8'), article[2].encode('utf-8')) + \
not_read_end
else:
for rss_feed_id in self.dic.keys():
for article in self.dic[rss_feed_id]:
article_content = remove_html_tags(article[4].encode('utf-8') + article[2].encode('utf-8'))
if querystring.lower() in article_content.lower():
if article[7] == "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" rel="noreferrer" target="_blank">%s</a>""" % \
(article[0].encode('utf-8'), article[2].encode('utf-8')) + \
not_read_end + """ from <i><a href="%s">%s</a></i><br />\n""" % \
(article[6].encode('utf-8'), article[5].encode('utf-8'))
html += "<hr />"
html += htmlfooter
return html
def fetch(self):
"""
Fetch all feeds
"""
feed_getter = feedgetter.FeedGetter()
feed_getter.retrieve_feed()
return self.index()
def description(self, article_id):
"""
Display the description of an article in a new Web page.
"""
html = htmlheader
html += htmlnav
html += """</div> <div class="left inner">"""
for rss_feed_id in self.dic.keys():
for article in self.dic[rss_feed_id]:
if article_id == article[0]:
if article[7] == "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><br />""" % \
(article[2].encode('utf-8'), rss_feed_id, article[5].encode('utf-8'))
description = article[4].encode('utf-8')
if description:
html += description
else:
html += "No description available."
html += """<hr />\n<a href="%s">Complete story</a>\n""" % (article[3].encode('utf-8'),)
html += "<hr />\n" + htmlfooter
return html
def all_articles(self, feed_id):
"""
Display all articles of a feed ('feed_title').
"""
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 += """Your feeds (%s):<br />\n""" % len(self.dic.keys())
for rss_feed_id in self.dic.keys():
html += """<a href="/#%s">%s</a> (<a href="/unread/%s"
title="Unread article(s)">%s</a> / %s)<br />\n""" % \
(rss_feed_id.encode('utf-8'), \
self.dic[rss_feed_id][0][5].encode('utf-8'), \
rss_feed_id, self.dic_info[rss_feed_id][1], \
self.dic_info[rss_feed_id][0])
html += """</div> <div class="left inner">"""
html += """<h1>Articles of the feed <i>%s</i></h1><br />""" % (self.dic[feed_id][0][5].encode('utf-8'))
for article in self.dic[feed_id]:
if article[7] == "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" rel="noreferrer" target="_blank">%s</a>""" % \
(article[0].encode('utf-8'), article[2].encode('utf-8')) + \
not_read_end + \
"<br />\n"
html += """\n<h4><a href="/">All feeds</a></h4>"""
html += "<hr />\n"
html += htmlfooter
return html
def unread(self, feed_id):
"""
Display all unread articles of a feed ('feed_title').
"""
html = htmlheader
html += htmlnav
html += """</div> <div class="left inner">"""
html += """<h1>Unread article(s) of the feed <a href="/all_articles/%s">%s</a></h1>
<br />""" % (feed_id, self.dic[feed_id][0][5].encode('utf-8'))
for article in self.dic[feed_id]:
if article[7] == "0":
html += article[1].encode('utf-8') + \
""" - <a href="/description/%s" rel="noreferrer" target="_blank">%s</a>""" % \
(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
def load_feed(self):
"""
Load feeds in a dictionary.
"""
list_of_articles = None
try:
conn = sqlite3.connect("./var/feed.db", isolation_level = None)
c = conn.cursor()
list_of_articles = c.execute("SELECT * FROM rss_feed").fetchall()
c.close()
except:
pass
# The key of dic is the id of the feed:
# dic[feed_id] = (article_id, article_date, article_title,
# article_link, article_description, feed_title,
# feed_link, article_readed)
# dic_info[feed_id] = (nb_article, nb_article_unreaded)
dic, dic_info = {}, {}
if list_of_articles is not None:
for article in list_of_articles:
sha256_hash = hashlib.sha256()
sha256_hash.update(article[5].encode('utf-8'))
feed_id = sha256_hash.hexdigest()
sha256_hash.update(article[2].encode('utf-8'))
article_id = sha256_hash.hexdigest()
article_list = [article_id, article[0], article[1], \
article[2], article[3], article[4], article[5], article[6]]
if feed_id not in dic:
dic[feed_id] = [article_list]
else:
dic[feed_id].append(article_list)
# sort articles by date for each feeds
for feeds in dic.keys():
dic[feeds].sort(lambda x,y: compare(y[1], x[1]))
for rss_feed_id in dic.keys():
dic_info[rss_feed_id] = (len(dic[rss_feed_id]), \
len([article for article in dic[rss_feed_id] \
if article[7]=="0"]) \
)
return (dic, dic_info)
return (dic, dic_info)
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:
conn = sqlite3.connect("./var/feed.db", isolation_level = None)
c = conn.cursor()
# Mark all articles as read.
if param == "All":
c.execute("UPDATE rss_feed SET article_readed=1")
# Mark all articles from a feed as read.
elif param == "Feed" or param == "Feed_FromMainPage":
c.execute("UPDATE rss_feed SET article_readed=1 WHERE feed_site_link='" + self.dic[identifiant][0][6] + "'")
# Mark an article as read.
elif param == "Article":
c.execute("UPDATE rss_feed SET article_readed=1 WHERE article_link='" + identifiant + "'")
conn.commit()
c.close()
except Exception, e:
pass
self.dic, self.dic_info = self.load_feed()
if param == "All" or param == "Feed_FromMainPage":
return self.index()
elif param == "Feed":
return self.all_articles(identifiant)
index.exposed = True
management.exposed = True
fetch.exposed = True
q.exposed = True
description.exposed = True
all_articles.exposed = True
mark_as_read.exposed = True
unread.exposed = True
def remove_html_tags(data):
"""
Remove HTML tags for the search.
"""
p = re.compile(r'<[^<]*?/?>')
return p.sub('', data)
def create_histogram(words, file_name="./var/histogram.png"):
"""
Create a histogram.
"""
length = 10
ind = pylab.arange(length) # abscissa
width = 0.35 # bars width
w = [elem[0] for elem in words]
count = [int(elem[1]) for elem in words]
max_count = max(count) # maximal weight
p = pylab.bar(ind, count, width, color='r')
pylab.ylabel("Count")
pylab.title("Most frequent words")
pylab.xticks(ind + (width / 2), range(1, len(w)+1))
pylab.xlim(-width, len(ind))
# changing the ordinate scale according to the max.
if max_count <= 100:
pylab.ylim(0, max_count + 5)
pylab.yticks(pylab.arange(0, max_count + 5, 5))
elif max_count <= 200:
pylab.ylim(0, max_count + 10)
pylab.yticks(pylab.arange(0, max_count + 10, 10))
elif max_count <= 600:
pylab.ylim(0, max_count + 25)
pylab.yticks(pylab.arange(0, max_count + 25, 25))
elif max_count <= 800:
pylab.ylim(0, max_count + 50)
pylab.yticks(pylab.arange(0, max_count + 50, 50))
pylab.savefig(file_name, dpi = 80)
pylab.close()
def compare(stringtime1, stringtime2):
"""
Compare two dates in the format 'yyyy-mm-dd hh:mm:ss'.
"""
date1, time1 = stringtime1.split(' ')
date2, time2 = stringtime2.split(' ')
year1, month1, day1 = date1.split('-')
year2, month2, day2 = date2.split('-')
hour1, minute1, second1 = time1.split(':')
hour2, minute2, second2 = time2.split(':')
datetime1 = datetime(year=int(year1), month=int(month1), day=int(day1), \
hour=int(hour1), minute=int(minute1), second=int(second1))
datetime2 = datetime(year=int(year2), month=int(month2), day=int(day2), \
hour=int(hour2), minute=int(minute2), second=int(second2))
if datetime1 < datetime2:
return -1
elif datetime1 > datetime2:
return 1
else:
return 0
if __name__ == '__main__':
# Point of entry in execution mode
root = Root()
cherrypy.quickstart(root, config=path)
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