#!/usr/bin/env python

# -*- coding: utf-8 -*-

# vim: set fileencoding=utf-8 tabstop=4 shiftwidth=4 expandtab smartindent:

u"""

Créé un flux RSS avec les interventions de Jean-Marc Jancovici sur France

Info.

Les fichiers sonores sont placés dans des balises ``<enclosure/>`` pour faciliter le podcasting.

:Authors:

    Aurélien Bompard <aurelien@bompard.org> <http://aurelien.bompard.org>

:License:

    GNU GPL v3 or later

"""

import os

import sys

import urllib2

import urlparse

import re

import BeautifulSoup

from pprint import pprint

list_url = "http://www.france-info.com/rss/Le_regard_de_Jean-Marc_Jancovici.xml"

base_url = "http://www.france-info.com"

js_re = re.compile("jstoflash\('play','.*','','','([^']*\.mp3)'\);")

list_page = urllib2.urlopen(list_url).read()

list_content = BeautifulSoup.BeautifulStoneSoup(list_page)

for item in list_content.find("atom:link").findAll(recursive=False):

    list_content.channel.insert(-1, item)

list_content.find("atom:link").extract()

for item in list_content.channel.findAll("item"):

    #print item.prettify()

    link = item.link.string

    #print link

    item_page = urllib2.urlopen(link).read()

    item_content = BeautifulSoup.BeautifulSoup(item_page)

    play_links = item_content.find("a", {"class": "p_ficheEcouter"})

    js_link = play_links["onclick"]

    js_mo = js_re.search(js_link)

    podcast_rel = js_mo.group(1)

    podcast_url = urlparse.urljoin(base_url, podcast_rel)

    #print "URL:", podcast_url

    item.enclosure["url"] = podcast_url

    try:

        podcast_info = urllib2.urlopen(podcast_url).info()

    except urllib2.URLError, e:

        sys.stderr.write("Error getting podcast info from %s: %s\n" %

                         (podcast_url, e))

        item.enclosure["type"] = "audio/mpeg" # reasonable fallback

        del item.enclosure["length"]

        continue

    item.enclosure["type"] = podcast_info.getheader("Content-Type")

    item.enclosure["length"] = podcast_info.getheader("Content-Length")

print list_content.prettify()