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#! /usr/local/bin/python
#-*- coding: utf-8 -*-
__author__ = "Cedric Bonhomme"
__version__ = "$Revision: 0.1 $"
__date__ = "$Date: 2010/29/01 $"
__copyright__ = "Copyright (c) 2010 Cedric Bonhomme"
__license__ = "GPLv3"
import re
import sqlite3
import threading
import feedparser
url_finders = [ \
re.compile("([0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}|(((news|telnet|nttp|file|http|ftp|https)://)|(www|ftp)[-A-Za-z0-9]*\\.)[-A-Za-z0-9\\.]+)(:[0-9]*)?/[-A-Za-z0-9_\\$\\.\\+\\!\\*\\(\\),;:@&=\\?/~\\#\\%]*[^]'\\.}>\\),\\\"]"), \
re.compile("([0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}|(((news|telnet|nttp|file|http|ftp|https)://)|(www|ftp)[-A-Za-z0-9]*\\.)[-A-Za-z0-9\\.]+)(:[0-9]*)?"), \
re.compile("(~/|/|\\./)([-A-Za-z0-9_\\$\\.\\+\\!\\*\\(\\),;:@&=\\?/~\\#\\%]|\\\\)+"), \
re.compile("'\\<((mailto:)|)[-A-Za-z0-9\\.]+@[-A-Za-z0-9\\.]+"), \
]
feeds_list = []
list_of_threads = []
def process(the_good_url):
"""Request the URL
Executed in a thread.
"""
feeds_list.append(feedparser.parse(the_good_url))
def retrieve_feed():
"""
Parse the file 'feeds.lst' and launch a thread for each RSS feed.
"""
conn = sqlite3.connect("./var/feed.db", isolation_level = None)
c = conn.cursor()
c.execute('''create table if not exists rss_feed
(date text, feed_title text, feed_site_link text, \
article_title text, article_link text PRIMARY KEY)''')
for a_feed in feeds_file.readlines():
# test if the URL is well formed
for url_regexp in url_finders:
if url_regexp.match(a_feed):
the_good_url = url_regexp.match(a_feed).group(0).replace("\n", "")
try:
# launch a new thread for the RSS feed
thread = threading.Thread(None, process, \
None, (the_good_url,))
thread.start()
list_of_threads.append(thread)
except:
pass
break
# wait for all threads are done
for th in list_of_threads:
th.join()
# when all jobs are done, insert articles in the base
for a_feed in feeds_list:
for article in a_feed['entries']:
try:
c.execute('insert into rss_feed values (?,?,?,?,?)', (\
"-".join([str(i) for i in list(article.updated_parsed)]), \
a_feed.feed.title.encode('utf-8'), \
a_feed.feed.link.encode('utf-8'), \
article.title.encode('utf-8'), \
article.link.encode('utf-8')))
except sqlite3.IntegrityError:
pass
conn.commit()
c.close()
if __name__ == "__main__":
# Point of entry in execution mode
try:
feeds_file = open("./var/feed.lst")
except:
print "./feed.lst not found"
exit(0)
retrieve_feed()
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