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#! /usr/bin/env python
#-*- coding: utf-8 -*-
# pyAggr3g470r - A Web based news aggregator.
# Copyright (C) 2010-2013 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: 1.9 $"
__date__ = "$Date: 2010/09/02 $"
__revision__ = "$Date: 2013/11/05 $"
__copyright__ = "Copyright (c) Cedric Bonhomme"
__license__ = "GPLv3"
import hashlib
import threading
import feedparser
from BeautifulSoup import BeautifulSoup
from datetime import datetime
from contextlib import contextmanager
import models
import conf
import search
import utils
from flask.ext.mail import Message
from pyaggr3g470r import app, mail
#import log
#pyaggr3g470r_log = log.Log()
list_of_threads = []
class FeedGetter(object):
"""
This class is in charge of retrieving feeds listed in ./var/feed.lst.
This class uses feedparser module from Mark Pilgrim.
For each feed a new thread is launched.
"""
def __init__(self, email):
"""
Initializes the database connection.
"""
#feedparser.USER_AGENT = conf.USER_AGENT
feedparser.USER_AGENT = "pyAggr3g470r"
self.user = models.User.objects(email=email).first()
def retrieve_feed(self):
"""
Parse the file 'feeds.lst' and launch a thread for each RSS feed.
"""
for feed in self.user.feeds:
try:
# launch a new thread for the RSS feed
thread = threading.Thread(None, self.process, \
None, (feed, ))
thread.start()
list_of_threads.append(thread)
except:
pass
# wait for all threads are done
for th in list_of_threads:
th.join()
def process(self, feed):
"""
Comment
"""
#a_feed = feedparser.parse(feed_link, handlers = [self.proxy])
a_feed = feedparser.parse(feed.link)
if a_feed['entries'] == []:
return
articles = []
for article in a_feed['entries']:
if models.Article.objects(link=article.link).first() != None:
# if article already in the database continue with the next article
continue
description = ""
article_title = ""
try:
# article content
description = article.content[0].value
except AttributeError:
try:
# article description
description = article.description
except Exception:
description = ""
try:
description = BeautifulSoup(description, "html.parser").decode()
article_title = BeautifulSoup(article.title, "html.parser").decode()
except Exception as E:
#pyaggr3g470r_log.error("Problem when sanitizing the content of the feed: " + feed.link)
article_title = article.title
try:
post_date = datetime(*article.published_parsed[:6])
except:
post_date = datetime(*article.updated_parsed[:6])
article = models.Article(post_date, article.link, article_title, description, False, False)
article.save()
articles.append(article)
"""
# add the article to the Whoosh index
try:
search.add_to_index([article], feed)
except:
print("Whoosh error.")
#pyaggr3g470r_log.error("Whoosh error.")
continue"""
if conf.MAIL_ENABLED and feed.email_notification:
# if subscribed to the feed
with app.app_context():
msg = Message('[pyAggr3g470r] ' + feed.title + ' : ' + article.title, \
sender = conf.MAIL_FROM, recipients = [conf.MAIL_TO])
msg.body = utils.clear_string(description)
msg.html = description
mail.send(msg)
feed.articles.extend(articles)
feed.articles = sorted(feed.articles, key=lambda t: t.date, reverse=True)
#feed.save()
self.user.save()
if __name__ == "__main__":
# Point of entry in execution mode
feed_getter = FeedGetter()
# Retrieve all feeds
feed_getter.retrieve_feed()
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