weboob-devel/modules/difm/backend.py
Roger Philibert 336822236c difm: increment stream_id
Signed-off-by: Roger Philibert <roger.philibert@gmail.com>
2013-08-14 11:29:21 +02:00

141 lines
4.6 KiB
Python

# -*- coding: utf-8 -*-
# Copyright(C) 2013 Roger Philibert
#
# This file is part of weboob.
#
# weboob is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# weboob 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with weboob. If not, see <http://www.gnu.org/licenses/>.
from weboob.capabilities.radio import ICapRadio, Radio, Stream, Emission
from weboob.capabilities.collection import ICapCollection
from weboob.tools.backend import BaseBackend
from weboob.tools.browser import StandardBrowser
from weboob.tools.misc import to_unicode
__all__ = ['DIFMBackend']
class DIFMBackend(BaseBackend, ICapRadio, ICapCollection):
NAME = 'difm'
MAINTAINER = u'Roger Philibert'
EMAIL = 'roger.philibert@gmail.com'
VERSION = '0.h'
DESCRIPTION = u'Digitally Imported web radio'
LICENSE = 'AGPLv3+'
BROWSER = StandardBrowser
# http://tobiass.eu/api
# http://mpd.wikia.com/wiki/Hack:di.fm-playlists
FORMATS = {('AAC', 64): 'public1', ('AAC', 32): 'public2', ('MP3', 96): 'public3', ('WMA', 40): 'public5'}
def __init__(self, *a, **kw):
super(DIFMBackend, self).__init__(*a, **kw)
self.RADIOS = {}
def _get_playlist_url(self, radio_key, format):
return 'http://listen.di.fm/%s/%s.pls' % (self.FORMATS[format], radio_key)
def _get_info_url(self, radio_key):
self._fetch_radio_list()
return 'http://api.audioaddict.com/v1/di/track_history/channel/%s' % self.RADIOS[radio_key]['id']
def create_default_browser(self):
return self.create_browser(parser='json')
def _fetch_radio_list(self):
if not self.RADIOS:
document = self.browser.location('http://listen.di.fm/public3')
for info in document:
key = info['key']
self.RADIOS[key] = {}
self.RADIOS[key]['id'] = info['id']
self.RADIOS[key]['description'] = info['description']
self.RADIOS[key]['name'] = info['name']
return self.RADIOS
def iter_radios_search(self, pattern):
self._fetch_radio_list()
pattern = pattern.lower()
for radio_key in self.RADIOS:
radio_dict = self.RADIOS[radio_key]
if pattern in radio_dict['name'].lower() or pattern in radio_dict['description'].lower():
yield self.get_radio(radio_key)
def iter_resources(self, objs, split_path):
self._fetch_radio_list()
if Radio in objs:
self._restrict_level(split_path)
for radio_key in self.RADIOS:
yield self.get_radio(radio_key)
def get_current(self, radio_key):
document = self.browser.location(self._get_info_url(radio_key))
artist = title = 'Advertising'
for last in document:
if 'ad' in last:
continue
artist = last.get('artist', '') or 'Unknown'
title = last.get('title', '') or 'Unknown'
artist = to_unicode(artist.strip())
title = to_unicode(title.strip())
break
return artist, title
def get_radio(self, radio):
self._fetch_radio_list()
if not isinstance(radio, Radio):
radio = Radio(radio)
if not radio.id in self.RADIOS:
return None
radio_dict = self.RADIOS[radio.id]
radio.title = radio_dict['name']
radio.description = radio_dict['description']
artist, title = self.get_current(radio.id)
current = Emission(0)
current.artist = artist
current.title = title
radio.current = current
radio.streams = []
for stream_id, format in enumerate(self.FORMATS):
stream = Stream(stream_id)
stream.title = u'%s %skbps' % format
stream.url = self._get_playlist_url(radio.id, format)
radio.streams.append(stream)
return radio
def fill_radio(self, radio, fields):
if 'current' in fields:
if not radio.current:
radio.current = Emission(0)
radio.current.artist, radio.current.title = self.get_current(radio.id)
return radio
OBJECTS = {Radio: fill_radio}