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|
#!/usr/bin/python
# -*- coding: utf-8 -*-
# pylint: disable-msg=C0302
# Python libs
import re, os
import urllib2
#import logging
#from pprint import pformat
from socket import timeout as SocketTimeoutError
#from time import time
import gettext
# external libs
import httplib2
import listparser
from BeautifulSoup import BeautifulStoneSoup
gettext.textdomain ("totem")
D_ = gettext.dgettext
_ = gettext.gettext
IMG_DIR = os.path.join (os.getcwd (), 'resources', 'media')
#try:
# logging.basicConfig (
# filename='iplayer2.log',
# filemode='w',
# format='%(asctime)s %(levelname)4s %(message)s',
# level=logging.DEBUG
# )
#except IOError:
# #print "iplayer2 logging to stdout"
# logging.basicConfig (
# stream=sys.stdout,
# level=logging.DEBUG,
# format='iplayer2.py: %(asctime)s %(levelname)4s %(message)s',
# )
# http://colinm.org/blog/on-demand-loading-of-flickr-photo-metadata
# returns immediately for all previously-called functions
def call_once (function):
called_by = {}
def result (self):
if self in called_by:
return
called_by[self] = True
function (self)
return result
# runs loader before decorated function
def loaded_by (loader):
def decorator (function):
def result (self, *args, **kwargs):
loader (self)
return function (self, *args, **kwargs)
return result
return decorator
CHANNELS_TV_LIST = [
('bbc_one', 'BBC One'),
('bbc_two', 'BBC Two'),
('bbc_three', 'BBC Three'),
('bbc_four', 'BBC Four'),
('cbbc', 'CBBC'),
('cbeebies', 'CBeebies'),
('bbc_news24', 'BBC News Channel'),
('bbc_parliament', 'BBC Parliament'),
('bbc_hd', 'BBC HD'),
('bbc_alba', 'BBC Alba'),
]
CHANNELS_TV = dict (CHANNELS_TV_LIST)
CHANNELS_NATIONAL_RADIO_LIST = [
('bbc_radio_one', 'Radio 1'),
('bbc_1xtra', '1 Xtra'),
('bbc_radio_two', 'Radio 2'),
('bbc_radio_three', 'Radio 3'),
('bbc_radio_four', 'Radio 4'),
('bbc_radio_five_live', '5 Live'),
('bbc_radio_five_live_sports_extra', '5 Live Sports Extra'),
('bbc_6music', '6 Music'),
('bbc_7', 'BBC 7'),
('bbc_asian_network', 'Asian Network'),
('bbc_radio_scotland', 'BBC Scotland'),
('bbc_radio_ulster', 'BBC Ulster'),
('bbc_radio_foyle', 'Radio Foyle'),
('bbc_radio_wales', 'BBC Wales'),
('bbc_radio_cymru', 'BBC Cymru'),
('bbc_world_service', 'World Service'),
('bbc_radio_nan_gaidheal', 'BBC nan Gaidheal')
]
CHANNELS_LOCAL_RADIO_LIST = [
('bbc_radio_cumbria', 'BBC Cumbria'),
('bbc_radio_newcastle', 'BBC Newcastle'),
('bbc_tees', 'BBC Tees'),
('bbc_radio_lancashire', 'BBC Lancashire'),
('bbc_radio_merseyside', 'BBC Merseyside'),
('bbc_radio_manchester', 'BBC Manchester'),
('bbc_radio_leeds', 'BBC Leeds'),
('bbc_radio_sheffield', 'BBC Sheffield'),
('bbc_radio_york', 'BBC York'),
('bbc_radio_humberside', 'BBC Humberside'),
('bbc_radio_lincolnshire', 'BBC Lincolnshire'),
('bbc_radio_nottingham', 'BBC Nottingham'),
('bbc_radio_leicester', 'BBC Leicester'),
('bbc_radio_derby', 'BBC Derby'),
('bbc_radio_stoke', 'BBC Stoke'),
('bbc_radio_shropshire', 'BBC Shropshire'),
('bbc_wm', 'BBC WM'),
('bbc_radio_coventry_warwickshire', 'BBC Coventry Warwickshire'),
('bbc_radio_hereford_worcester', 'BBC Hereford/Worcester'),
('bbc_radio_northampton', 'BBC Northampton'),
('bbc_three_counties_radio', 'BBC Three Counties Radio'),
('bbc_radio_cambridge', 'BBC Cambridge'),
('bbc_radio_norfolk', 'BBC Norfolk'),
('bbc_radio_suffolk', 'BBC Suffolk'),
('bbc_radio_essex', 'BBC Essex'),
('bbc_london', 'BBC London'),
('bbc_radio_kent', 'BBC Kent'),
('bbc_southern_counties_radio', 'BBC Southern Counties Radio'),
('bbc_radio_oxford', 'BBC Oxford'),
('bbc_radio_berkshire', 'BBC Berkshire'),
('bbc_radio_solent', 'BBC Solent'),
('bbc_radio_gloucestershire', 'BBC Gloucestershire'),
('bbc_radio_swindon', 'BBC Swindon'),
('bbc_radio_wiltshire', 'BBC Wiltshire'),
('bbc_radio_bristol', 'BBC Bristol'),
('bbc_radio_somerset_sound', 'BBC Somerset'),
('bbc_radio_devon', 'BBC Devon'),
('bbc_radio_cornwall', 'BBC Cornwall'),
('bbc_radio_guernsey', 'BBC Guernsey'),
('bbc_radio_jersey', 'BBC Jersey')
]
LOGO_URI = 'http://www.bbc.co.uk/englandcms/'
CHANNELS_LOGOS = {
'bbc_radio_cumbria': LOGO_URI + 'localradio/images/cumbria.gif',
'bbc_radio_newcastle': LOGO_URI + 'localradio/images/newcastle.gif',
'bbc_tees': LOGO_URI + 'localradio/images/tees.gif',
'bbc_radio_lancashire': LOGO_URI + 'images/rh_nav170_lancs.gif',
'bbc_radio_merseyside': LOGO_URI + 'localradio/images/merseyside.gif',
'bbc_radio_manchester': os.path.join (IMG_DIR, 'bbc_local_radio.png'),
'bbc_radio_leeds': LOGO_URI + 'images/rh_nav170_leeds.gif',
'bbc_radio_sheffield': LOGO_URI + 'images/rh_nav170_sheffield.gif',
'bbc_radio_york': LOGO_URI + 'localradio/images/york.gif',
'bbc_radio_humberside': 'http://www.bbc.co.uk/radio/images/home/'\
'r-home-nation-regions.gif',
'bbc_radio_lincolnshire': LOGO_URI + 'localradio/images/lincs.gif',
'bbc_radio_nottingham': os.path.join (IMG_DIR, 'bbc_local_radio.png'),
'bbc_radio_leicester': LOGO_URI + 'localradio/images/leicester.gif',
'bbc_radio_derby': LOGO_URI + 'derby/images/rh_nav170_derby.gif',
'bbc_radio_stoke': LOGO_URI + 'localradio/images/stoke.gif',
'bbc_radio_shropshire': LOGO_URI + 'localradio/images/shropshire.gif',
'bbc_wm': os.path.join (IMG_DIR, 'bbc_local_radio.png'),
'bbc_radio_coventry_warwickshire': LOGO_URI + 'localradio/images/'\
'cov_warks.gif',
'bbc_radio_hereford_worcester': LOGO_URI + 'localradio/images/'\
'hereford_worcester.gif',
'bbc_radio_northampton': LOGO_URI + 'localradio/images/northampton.gif',
'bbc_three_counties_radio': LOGO_URI + 'images/rh_nav170_3counties.gif',
'bbc_radio_cambridge': LOGO_URI + 'localradio/images/cambridgeshire.gif',
'bbc_radio_norfolk': LOGO_URI + 'localradio/images/norfolk.gif',
'bbc_radio_suffolk': LOGO_URI + 'localradio/images/suffolk.gif',
'bbc_radio_essex': LOGO_URI + 'images/rh_nav170_essex.gif',
'bbc_london': os.path.join (IMG_DIR, 'bbc_local_radio.png'),
'bbc_radio_kent': 'http://www.bbc.co.uk/radio/images/home/'\
'r-home-nation-regions.gif',
'bbc_southern_counties_radio': os.path.join (IMG_DIR,
'bbc_local_radio.png'),
'bbc_radio_oxford': LOGO_URI + 'images/rh_nav170_oxford.gif',
'bbc_radio_berkshire': LOGO_URI + 'images/rh_nav170_berks.gif',
'bbc_radio_solent': LOGO_URI + 'localradio/images/solent.gif',
'bbc_radio_gloucestershire': LOGO_URI + 'localradio/images/'\
'gloucestershire.gif',
'bbc_radio_swindon': os.path.join (IMG_DIR, 'bbc_local_radio.png'),
'bbc_radio_wiltshire': os.path.join (IMG_DIR, 'bbc_local_radio.png'),
'bbc_radio_bristol': LOGO_URI + 'localradio/images/bristol.gif',
'bbc_radio_somerset_sound': LOGO_URI + 'images/rh_nav170_somerset.gif',
'bbc_radio_devon': LOGO_URI + 'images/rh_nav170_devon.gif',
'bbc_radio_cornwall': LOGO_URI + 'localradio/images/cornwall.gif',
'bbc_radio_guernsey': LOGO_URI + 'localradio/images/guernsey.gif',
'bbc_radio_jersey': LOGO_URI + 'localradio/images/jersey.gif'
}
CHANNELS_NATIONAL_RADIO = dict (CHANNELS_NATIONAL_RADIO_LIST)
CHANNELS_LOCAL_RADIO = dict (CHANNELS_LOCAL_RADIO_LIST)
CHANNELS_RADIO_LIST = CHANNELS_NATIONAL_RADIO_LIST + CHANNELS_LOCAL_RADIO_LIST
CHANNELS_RADIO = dict (CHANNELS_RADIO_LIST)
CHANNELS = dict (CHANNELS_TV_LIST + CHANNELS_RADIO_LIST)
CATEGORIES_LIST = [
('childrens', 'Children\'s'),
('comedy', 'Comedy'),
('drama', 'Drama'),
('entertainment', 'Entertainment'),
('factual', 'Factual'),
('films', 'Films'),
('music', 'Music'),
('news', 'News'),
('religion_and_ethics', 'Religion & Ethics'),
('sport', 'Sport'),
('signed', 'Sign Zone'),
('northern_ireland', 'Northern Ireland'),
('scotland', 'Scotland'),
('wales', 'Wales')
]
CATEGORIES = dict (CATEGORIES_LIST)
ENGLAND_RADIO_URI = 'http://www.bbc.co.uk/england/'
LIVE_RADIO_STATIONS = {
'Radio 1': 'http://www.bbc.co.uk/radio1/wm_asx/aod/radio1_hi.asx',
'1 Xtra': 'http://www.bbc.co.uk/1xtra/realmedia/1xtra_hi.asx',
'Radio 2': 'http://www.bbc.co.uk/radio2/wm_asx/aod/radio2_hi.asx',
'BBC 3': 'http://www.bbc.co.uk/radio3/wm_asx/aod/radio3_hi.asx',
'BBC 4': 'http://www.bbc.co.uk/radio4/wm_asx/aod/radio4.asx',
'5 Live': 'http://www.bbc.co.uk/fivelive/live/live.asx',
'5 Live Sports Extra': 'http://www.bbc.co.uk/fivelive/live/'\
'live_sportsextra.asx',
'6 Music': 'http://www.bbc.co.uk/6music/ram/6music_hi.asx',
'BBC 7': 'http://www.bbc.co.uk/bbc7/realplayer/bbc7_hi.asx',
'Asian Network': 'http://www.bbc.co.uk/asiannetwork/rams/asiannet_hi.asx',
'Radio Scotland': 'http://www.bbc.co.uk/scotland/radioscotland/media/'\
'radioscotland.ram',
'World Service': 'http://www.bbc.co.uk/worldservice/meta/tx/nb/'\
'live_eneuk_au_nb.asx',
'BBC London': ENGLAND_RADIO_URI + 'london.ram',
'BBC Berkshire': ENGLAND_RADIO_URI + 'radioberkshire.ram',
'BBC Bristol': ENGLAND_RADIO_URI + 'bristol.ram',
'BBC Cambridgeshire': ENGLAND_RADIO_URI + 'cambridgeshire.ram',
'BBC Cornwall': ENGLAND_RADIO_URI + 'cornwall.ram',
'BBC Cumbria': ENGLAND_RADIO_URI + 'cumbria.ram',
'BBC Derby': ENGLAND_RADIO_URI + 'derby.ram',
'BBC Devon': ENGLAND_RADIO_URI + 'devon.ram',
'BBC Essex': ENGLAND_RADIO_URI + 'essex.ram',
'BBC Gloucestershire': ENGLAND_RADIO_URI + 'gloucestershire.ram',
'BBC Guernsey': ENGLAND_RADIO_URI + 'guernsey.ram',
'BBC Hereford/Worcester': ENGLAND_RADIO_URI + 'herefordandworcester.ram',
'BBC Humberside': ENGLAND_RADIO_URI + 'humberside.ram',
'BBC Jersey': ENGLAND_RADIO_URI + 'jersey.ram',
'BBC Kent': ENGLAND_RADIO_URI + 'kent.ram',
'BBC Lancashire': ENGLAND_RADIO_URI + 'lancashire.ram',
'BBC Leeds': ENGLAND_RADIO_URI + 'leeds.ram',
'BBC Leicester': ENGLAND_RADIO_URI + 'leicester.ram',
'BBC Lincolnshire': ENGLAND_RADIO_URI + 'lincolnshire.ram',
'BBC Manchester': ENGLAND_RADIO_URI + 'manchester.ram',
'BBC Merseyside': ENGLAND_RADIO_URI + 'merseyside.ram',
'BBC Newcastle': ENGLAND_RADIO_URI + 'newcastle.ram',
'BBC Norfolk': ENGLAND_RADIO_URI + 'norfolk.ram',
'BBC Northampton': ENGLAND_RADIO_URI + 'northampton.ram',
'BBC Nottingham': ENGLAND_RADIO_URI + 'nottingham.ram',
'BBC Oxford': ENGLAND_RADIO_URI + 'radiooxford.ram',
'BBC Sheffield': ENGLAND_RADIO_URI + 'sheffield.ram',
'BBC Shropshire': ENGLAND_RADIO_URI + 'shropshire.ram',
'BBC Solent': ENGLAND_RADIO_URI + 'solent.ram',
'BBC Somerset Sound': ENGLAND_RADIO_URI + 'somerset.ram',
'BBC Southern Counties Radio': ENGLAND_RADIO_URI + 'southerncounties.ram',
'BBC Stoke': ENGLAND_RADIO_URI + 'stoke.ram',
'BBC Suffolk': ENGLAND_RADIO_URI + 'suffolk.ram',
'BBC Swindon': ENGLAND_RADIO_URI + 'swindon.ram',
'BBC Three Counties Radio': ENGLAND_RADIO_URI + 'threecounties.ram',
'BBC Wiltshire': ENGLAND_RADIO_URI + 'wiltshire.ram',
'BBC York': ENGLAND_RADIO_URI + 'york.ram',
'BBC WM': ENGLAND_RADIO_URI + 'wm.ram',
'BBC Cymru': 'http://www.bbc.co.uk/cymru/live/rc-live.ram',
'Radio Foyle': 'http://www.bbc.co.uk/northernireland/realmedia/rf-live.ram',
'BBC Scotland': 'http://www.bbc.co.uk/scotland/radioscotland/media/'\
'radioscotland.ram',
'BBC nan Gaidheal': 'http://www.bbc.co.uk/scotland/alba/media/live/'\
'radio_ng.ram',
'BBC Ulster': 'http://www.bbc.co.uk/ni/realmedia/ru-live.ram',
'BBC Wales': 'http://www.bbc.co.uk/wales/live/rwg2.ram',
'BBC Tees': ENGLAND_RADIO_URI + 'cleveland.ram',
}
LIVE_WEBCAMS = {
'Radio 1': 'http://www.bbc.co.uk/radio1/webcam/images/live/webcam.jpg',
'1 Xtra': 'http://www.bbc.co.uk/1xtra/webcam/live/1xtraa.jpg',
'Radio 2': 'http://www.bbc.co.uk/radio2/webcam/live/radio2.jpg',
'5 Live': 'http://www.bbc.co.uk/fivelive/inside/webcam/5Lwebcam1.jpg',
'6 Music': 'http://www.bbc.co.uk/6music/webcam/live/6music.jpg',
'Asian Network': 'http://www.bbc.co.uk/asiannetwork/webcams/birmingham.jpg'
}
RSS_CACHE = {}
SELF_CLOSING_TAGS = ['alternate', 'mediator']
HTTP_OBJECT = httplib2.Http ()
class NoItemsError (Exception):
def __init__ (self, reason=None):
Exception.__init__ (self)
self.reason = reason
def __str__ (self):
reason = self.reason or _(u'<no reason given>')
return _(u'Programme unavailable ("%s")') % (reason)
def httpget (url):
_response, data = HTTP_OBJECT.request (url, 'GET')
return data
def parse_entry_id (entry_id):
# tag:bbc.co.uk,2008:PIPS:b00808sc
regexp = re.compile ('PIPS:([0-9a-z]{8})')
matches = regexp.findall (entry_id)
if not matches:
return None
return matches[0]
class Media (object): # pylint: disable-msg=R0902
def __init__ (self, item, media_node):
self.item = item
self.href = None
self.kind = None
self.method = None
self.width, self.height = None, None
self.mimetype = None
self.encoding = None
self.live = False
self.connection_href = None
self.connection_protocol = None
self.connection_method = None
self.connection_kind = None
self.connection_live = False
self.__read_media_node (media_node)
@property
def url (self):
if self.connection_method == 'resolve':
#logging.info ("Resolving URL %s", self.connection_href)
page = urllib2.urlopen (self.connection_href)
page.close ()
url = page.geturl ()
#logging.info ("URL resolved to %s", url)
return url
else:
return self.connection_href
@property
def application (self):
"""
The type of stream represented as a string.
i.e. 'captions', 'flashhigh', 'flashmed', 'flashwii', 'mobile', 'mp3'
or 'real'
"""
tep = {}
tep['captions', 'application/ttaf+xml', None, 'http'] = 'captions'
tep['video', 'video/mp4', 'h264', 'rtmp'] = 'flashhigh'
tep['video', 'video/x-flv', 'vp6', 'rtmp'] = 'flashmed'
tep['video', 'video/x-flv', 'spark', 'rtmp'] = 'flashwii'
tep['video', 'video/mpeg', 'h264', 'http'] = 'mobile'
tep['audio', 'audio/mpeg', 'mp3', 'rtmp'] = 'mp3'
tep['audio', 'audio/real', 'real', 'http'] = 'real'
media = (self.kind, self.mimetype, self.encoding,
self.connection_protocol)
return tep.get (media, None)
def __read_media_node (self, media):
"""
Reads media info from a media XML node
media: media node from BeautifulStoneSoup
"""
self.kind = media.get ('kind')
self.mimetype = media.get ('type')
self.encoding = media.get ('encoding')
self.width, self.height = media.get ('width'), media.get ('height')
self.live = media.get ('live') == 'true'
conn = media.find ('connection')
self.connection_kind = conn.get ('kind')
self.connection_live = conn.get ('live') == 'true'
self.connection_protocol = None
self.connection_href = None
self.connection_method = None
if self.connection_kind in ['http', 'sis']: # http
self.connection_href = conn.get ('href')
self.connection_protocol = 'http'
if self.mimetype == 'video/mp4' and self.encoding == 'h264':
# iPhone, don't redirect or it goes to license failure page
self.connection_method = 'iphone'
elif self.kind == 'captions':
self.connection_method = None
else:
self.connection_method = 'resolve'
elif self.connection_kind in ['level3', 'akamai']: #rtmp
self.connection_protocol = 'rtmp'
server = conn.get ('server')
identifier = conn.get ('identifier')
if not self.connection_live:
#logging.error ("No support for live streams!")
auth = conn.get ('authstring')
params = dict (ip=server, server=server, auth=auth,
identifier=identifier)
self.connection_href = "rtmp://%(ip)s:1935/ondemand"\
"?_fcs_vhost=%(server)s&auth=%(auth)s"\
"&aifp=v001"\
"&slist=%(identifier)s" % params
#else:
# logging.error ("connectionkind %s unknown", self.connection_kind)
#if self.connection_protocol:
# logging.info ("conn protocol: %s - conn kind: %s - media type: "\
# "%s - media encoding: %s" %
# (self.connection_protocol, self.connection_kind,
# self.mimetype, self.encoding))
# logging.info ("conn href: %s", self.connection_href)
@property
def programme (self):
return self.item.programme
class Item (object): # pylint: disable-msg=R0902
"""
Represents an iPlayer programme item. Most programmes consist of 2 such
items, (1) the ident, and (2) the actual programme. The item specifies the
properties of the media available, such as whether it's a radio/TV
programme, if it's live, signed, etc.
"""
def __init__ (self, programme, item_node):
"""
programme: a programme object that represents the 'parent' of this item.
item_node: an XML <item> node representing this item.
"""
self.programme = programme
self.identifier = None
self.service = None
self.guidance = None
self.masterbrand = None
self.alternate = None
self.duration = ''
self.medias = None
self.group = None
self.kind = None
self.live = False
self.__read_item_node (item_node)
def __read_item_node (self, node):
"""
Reads the specified XML <item> node and sets this instance's
properties.
"""
self.kind = node.get ('kind')
self.identifier = node.get ('identifier')
#logging.info ('Found item: %s, %s', self.kind, self.identifier)
if self.kind in ['programme', 'radioProgramme']:
self.live = node.get ('live') == 'true'
#self.title = node.get ('title')
self.group = node.get ('group')
self.duration = node.get ('duration')
#self.broadcast = node.broadcast
self.service = node.service and node.service.get ('id')
self.masterbrand = node.masterbrand and node.masterbrand.get ('id')
self.alternate = node.alternate and node.alternate.get ('id')
self.guidance = node.guidance
@property
def is_radio (self):
""" True if this stream is a radio programme. """
return self.kind == 'radioProgramme'
@property
def is_tv (self):
""" True if this stream is a TV programme. """
return self.kind == 'programme'
@property
def is_ident (self):
""" True if this stream is an ident. """
return self.kind == 'ident'
@property
def is_programme (self):
""" True if this stream is a programme (TV or Radio). """
return self.is_radio or self.is_tv
@property
def is_live (self):
""" True if this stream is being broadcast live. """
return self.live
@property
def is_signed (self):
""" True if this stream is 'signed' for the hard-of-hearing. """
return self.alternate == 'signed'
@property
def mediaselector_url (self):
url = "http://www.bbc.co.uk/mediaselector/4/mtis/stream/%s"
return url % self.identifier
@property
def media (self):
"""
Returns a list of all the media available for this item.
"""
if self.medias:
return self.medias
url = self.mediaselector_url
#logging.info ("Stream XML URL: %s", str (url))
_response, xml = HTTP_OBJECT.request (url)
entities = BeautifulStoneSoup.XML_ENTITIES
soup = BeautifulStoneSoup (xml, convertEntities = entities)
medias = [Media (self, m) for m in soup ('media')]
#logging.info ('Found media: %s', pformat (medias, indent=8))
self.medias = medias
return medias
def get_media_for (self, application):
"""
Returns a media object for the given application type.
"""
medias = [m for m in self.media if m.application == application]
if not medias:
return None
return medias[0]
def get_medias_for (self, applications):
"""
Returns a dictionary of media objects for the given application types.
"""
medias = [m for m in self.media if m.application in applications]
dictionary = {}.fromkeys (applications)
for media in medias:
dictionary[media.application] = media
return dictionary
class Programme (object):
"""
Represents an individual iPlayer programme, as identified by an 8-letter
PID, and contains the programme title, subtitle, broadcast time and list of
playlist items (e.g. ident and then the actual programme.)
"""
def __init__ (self, pid):
self.pid = pid
self.meta = {}
self._items = []
self._related = []
@call_once
def __read_playlist (self):
#logging.info ('Read playlist for %s...', self.pid)
self.__parse_playlist (self.playlist)
def get_playlist_xml (self):
""" Downloads and returns the XML for a PID from the iPlayer site. """
try:
url = self.playlist_url
#logging.info ("Getting XML playlist at URL: %s", url)
_response, xml = HTTP_OBJECT.request (url, 'GET')
return xml
except SocketTimeoutError:
#logging.error ("Timed out trying to download programme XML")
raise
def __parse_playlist (self, xml):
#logging.info ('Parsing playlist XML... %s', xml)
entities = BeautifulStoneSoup.XML_ENTITIES
soup = BeautifulStoneSoup (xml, selfClosingTags = SELF_CLOSING_TAGS,
convertEntities = entities)
self.meta = {}
self._items = []
self._related = []
#logging.info (' Found programme: %s', soup.playlist.title.string)
self.meta['title'] = soup.playlist.title.string.encode ('utf-8')
self.meta['summary'] = soup.playlist.summary.string.encode ('utf-8')
self.meta['updated'] = soup.playlist.updated.string
if soup.playlist.noitems:
#logging.info ('No playlist items: %s',
# soup.playlist.noitems.get ('reason'))
self.meta['reason'] = soup.playlist.noitems.get ('reason')
self._items = [Item (self, i) for i in soup ('item')]
#for i in self._items:
# print i, i.alternate , " ",
#print
id_regexp = re.compile ('concept_pid: ([a-z0-9]{8})')
for link in soup ('relatedlink'):
i = {}
i['title'] = link.title.string
#i['summary'] = item.summary # FIXME looks like a bug in BSS
i['pid'] = (id_regexp.findall (link.id.string) or [None])[0]
i['programme'] = Programme (i['pid'])
self._related.append (i)
def get_thumbnail (self, size='large', tvradio='tv'):
"""
Returns the URL of a thumbnail.
size: '640x360'/'biggest'/'largest' or '512x288'/'big'/'large' or None
"""
url_format = "http://www.bbc.co.uk/iplayer/images/episode/%s_%d_%d.jpg"
if size in ['640x360', '640x', 'x360', 'biggest', 'largest']:
return url_format % (self.pid, 640, 360)
elif size in ['512x288', '512x', 'x288', 'big', 'large']:
return url_format % (self.pid, 512, 288)
elif size in ['178x100', '178x', 'x100', 'small']:
return url_format % (self.pid, 178, 100)
elif size in ['150x84', '150x', 'x84', 'smallest']:
return url_format % (self.pid, 150, 84)
else:
return os.path.join (IMG_DIR, '%s.png' % tvradio)
def get_url (self):
"""
Returns the programmes episode page.
"""
return "http://www.bbc.co.uk/iplayer/episode/%s" % (self.pid)
@property
def playlist_url (self):
return "http://www.bbc.co.uk/iplayer/playlist/%s" % self.pid
@property
def playlist (self):
return self.get_playlist_xml ()
def get_updated (self):
return self.meta['updated']
@loaded_by (__read_playlist)
def get_title (self):
return self.meta['title']
@loaded_by (__read_playlist)
def get_summary (self):
return self.meta['summary']
@loaded_by (__read_playlist)
def get_related (self):
return self._related
@loaded_by (__read_playlist)
def get_items (self):
if not self._items:
raise NoItemsError (self.meta['reason'])
return self._items
@property
def programme (self):
for i in self.items:
if i.is_programme:
return i
return None
title = property (get_title)
summary = property (get_summary)
updated = property (get_updated)
thumbnail = property (get_thumbnail)
related = property (get_related)
items = property (get_items)
class ProgrammeSimple (object):
"""
Represents an individual iPlayer programme, as identified by an 8-letter
PID, and contains the programme pid, title, subtitle etc
"""
def __init__ (self, pid, entry):
self.pid = pid
self.meta = {}
self.meta['title'] = entry.title
self.meta['summary'] = entry.summary
self.meta['updated'] = entry.updated
self.categories = []
for category in entry.categories:
if category != 'TV':
self.categories.append (category.rstrip ())
self._items = []
self._related = []
@call_once
def __read_playlist (self):
pass
def get_playlist_xml (self):
pass
def __parse_playlist (self, xml):
pass
def get_thumbnail (self, size='large', tvradio='tv'):
"""
Returns the URL of a thumbnail.
size: '640x360'/'biggest'/'largest' or '512x288'/'big'/'large' or None
"""
url_format = "http://www.bbc.co.uk/iplayer/images/episode/%s_%d_%d.jpg"
if size in ['640x360', '640x', 'x360', 'biggest', 'largest']:
return url_format % (self.pid, 640, 360)
elif size in ['512x288', '512x', 'x288', 'big', 'large']:
return url_format % (self.pid, 512, 288)
elif size in ['178x100', '178x', 'x100', 'small']:
return url_format % (self.pid, 178, 100)
elif size in ['150x84', '150x', 'x84', 'smallest']:
return url_format % (self.pid, 150, 84)
else:
return os.path.join (IMG_DIR, '%s.png' % tvradio)
def get_url (self):
"""
Returns the programmes episode page.
"""
return "http://www.bbc.co.uk/iplayer/episode/%s" % (self.pid)
@property
def playlist_url (self):
return "http://www.bbc.co.uk/iplayer/playlist/%s" % self.pid
@property
def playlist (self):
return self.get_playlist_xml ()
def get_updated (self):
return self.meta['updated']
@loaded_by (__read_playlist)
def get_title (self):
return self.meta['title']
@loaded_by (__read_playlist)
def get_summary (self):
return self.meta['summary']
@loaded_by (__read_playlist)
def get_related (self):
return self._related
@loaded_by (__read_playlist)
def get_items (self):
if not self._items:
raise NoItemsError (self.meta['reason'])
return self._items
@property
def programme (self):
for i in self.items:
if i.is_programme:
return i
return None
title = property (get_title)
summary = property (get_summary)
updated = property (get_updated)
thumbnail = property (get_thumbnail)
related = property (get_related)
items = property (get_items)
class Feed (object): # pylint: disable-msg=R0921
def __init__ (self, tvradio = None, # pylint: disable-msg=R0913
channel = None, category = None,
subcategory = None, atoz = None, searchterm = None):
"""
Creates a feed for the specified channel/category/whatever.
tvradio: type of channel - 'tv' or 'radio'. If a known channel is
specified, use 'auto'.
channel: name of channel, e.g. 'bbc_one'
category: category name, e.g. 'drama'
subcategory: subcategory name, e.g. 'period_drama'
atoz: A-Z listing for the specified letter
"""
if tvradio == 'auto':
if not channel and not searchterm:
raise Exception, "Must specify channel or searchterm when "\
"using 'auto'"
elif channel in CHANNELS_TV:
self.tvradio = 'tv'
elif channel in CHANNELS_RADIO:
self.tvradio = 'radio'
else:
raise Exception, "TV channel '%s' not "\
"recognised." % channel
elif tvradio in ['tv', 'radio']:
self.tvradio = tvradio
else:
self.tvradio = None
self.channel = channel
self.category = category
self.subcategory = subcategory
self.atoz = atoz
self.searchterm = searchterm
def __create_url (self, listing):
"""
<channel>/['list'|'popular'|'highlights']
'categories'/<category> (/<subcategory>) \
(/['tv'/'radio'])/['list'|'popular'|'highlights']
"""
assert listing in ['list', 'popular', 'highlights'], "Unknown "\
"listing type"
if self.searchterm:
path = ['search']
if self.tvradio:
path += [self.tvradio]
path += ['?q=%s' % self.searchterm]
elif self.channel:
path = [self.channel]
if self.atoz:
path += ['atoz', self.atoz]
if self.category:
path += [self.category]
path += [listing]
elif self.category:
path = [self.category]
if self.atoz:
path += ['atoz', self.atoz]
path += [listing]
elif self.atoz:
path = ['atoz', self.atoz, listing]
if self.tvradio:
path += [self.tvradio]
else:
assert listing != 'list', "Can't list at tv/radio level'"
path = [listing, self.tvradio]
return "http://feeds.bbc.co.uk/iplayer/" + '/'.join (path)
def get_name (self, separator=' '):
"""
A readable title for this feed, e.g. 'BBC One' or 'TV Drama' or
'BBC One Drama'
separator: string to separate name parts with, defaults to ' '.
Use None to return a list (e.g. ['TV', 'Drama']).
"""
path = []
# TODO: This is not i18n-friendly whatsoever
# if got a channel, don't need tv/radio distinction
if self.channel:
assert (self.channel in CHANNELS_TV or
self.channel in CHANNELS_RADIO), 'Unknown channel'
#print self.tvradio
if self.tvradio == 'tv':
path.append (CHANNELS_TV.get (self.channel, ' (TV)'))
else:
path.append (CHANNELS_RADIO.get (self.channel, ' (Radio)'))
elif self.tvradio:
# no channel
medium = 'TV'
if self.tvradio == 'radio':
medium = 'Radio'
path.append (medium)
if self.searchterm:
path += ['Search results for %s' % self.searchterm]
if self.category:
assert self.category in CATEGORIES, 'Unknown category'
path.append (CATEGORIES.get (self.category, ' (Category)'))
if self.atoz:
path.append ("beginning with %s" % self.atoz.upper ())
if separator != None:
return separator.join (path)
else:
return path
def channels (self):
"""
Return a list of available channels.
"""
if self.channel:
return None
if self.tvradio == 'tv':
return CHANNELS_TV
if self.tvradio == 'radio':
return CHANNELS_RADIO
return None
def channels_feed (self):
"""
Return a list of available channels as a list of feeds.
"""
if self.channel:
#logging.warning ("%s doesn\'t have any channels!", self.channel)
return None
if self.tvradio == 'tv':
return [Feed ('tv', channel = ch)
for (ch, _title) in CHANNELS_TV_LIST]
if self.tvradio == 'radio':
return [Feed ('radio', channel = ch)
for (ch, _title) in CHANNELS_RADIO_LIST]
return None
# This causes pylint message R0913 on the class.
def subcategories (self):
raise NotImplementedError ('Sub-categories not yet supported')
@classmethod
def __is_atoz (cls, letter):
"""
Return False if specified letter is not a valid 'A to Z' directory
entry. Otherwise returns the directory name.
>>> feed.__is_atoz ('a'), feed.__is_atoz ('z')
('a', 'z')
>>> feed.__is_atoz ('0'), feed.__is_atoz ('9')
('0-9', '0-9')
>>> feed.__is_atoz ('123'), feed.__is_atoz ('abc')
(False, False)
>>> feed.__is_atoz ('big british castle'), feed.__is_atoz ('')
(False, False)
"""
letter = letter.lower ()
if len (letter) != 1 and letter != '0-9':
return False
if letter in '0123456789':
letter = "0-9"
if letter not in 'abcdefghijklmnopqrstuvwxyz0-9':
return False
return letter
def sub (self, *_args, **kwargs):
"""
Clones this feed, altering the specified parameters.
>>> feed ('tv').sub (channel='bbc_one').channel
'bbc_one'
>>> feed ('tv', channel='bbc_one').sub (channel='bbc_two').channel
'bbc_two'
>>> feed ('tv', channel='bbc_one').sub (category='drama').category
'drama'
>>> feed ('tv', channel='bbc_one').sub (channel=None).channel
>>>
"""
dictionary = self.__dict__.copy ()
dictionary.update (kwargs)
return Feed (**dictionary) # pylint: disable-msg=W0142
def get (self, subfeed):
"""
Returns a child/subfeed of this feed.
child: can be channel/cat/subcat/letter, e.g. 'bbc_one'
"""
if self.channel:
return self.sub (category = subfeed)
elif self.category:
# no children: TODO support subcategories
return None
elif self.__is_atoz (subfeed):
return self.sub (atoz=self.__is_atoz (subfeed))
else:
if subfeed in CHANNELS_TV:
return Feed ('tv', channel = subfeed)
if subfeed in CHANNELS_RADIO:
return Feed ('radio', channel = subfeed)
# TODO handle properly oh pants
return None
@classmethod
def __read_rss (cls, url):
#logging.info ('Read RSS: %s', url)
if url not in RSS_CACHE:
#logging.info ('Feed URL not in cache, requesting...')
xml = httpget (url)
progs = listparser.parse (xml)
if not progs:
return []
cached_programmes = []
for entry in progs.entries:
pid = parse_entry_id (entry.identifier)
programme = Programme (pid)
cached_programmes.append (programme)
#logging.info ('Found %d entries', len (d))
RSS_CACHE[url] = cached_programmes
#else:
# logging.info ('RSS found in cache')
return RSS_CACHE[url]
def popular (self):
return self.__read_rss (self.__create_url ('popular'))
def highlights (self):
return self.__read_rss (self.__create_url ('highlights'))
def list (self):
return self.__read_rss (self.__create_url ('list'))
def categories (self):
# quick and dirty category extraction and count
xml_url = self.__create_url ('list')
xml = httpget (xml_url)
cat = re.findall ("<category .*term=\"(.*?)\"", xml)
categories = {}
for category in cat:
if category != 'TV':
if not categories.has_key (category):
categories[category] = 0
categories[category] += 1
alist = []
category_keys = categories.keys ()
category_keys.sort ()
for category in category_keys:
name = categories[category]
category = category.replace ('&', '&')
category = category.replace ('>', '>')
category = category.replace ('<', '<')
alist.append ((category, name))
return alist
@property
def is_radio (self):
""" True if this feed is for radio. """
return self.tvradio == 'radio'
@property
def is_tv (self):
""" True if this feed is for tv. """
return self.tvradio == 'tv'
name = property (get_name)
def test ():
tv_feed = Feed ('tv')
print tv_feed.popular ()
print tv_feed.channels ()
print tv_feed.get ('bbc_one')
print tv_feed.get ('bbc_one').list ()
for category in tv_feed.get ('bbc_one').categories ():
print category
#print tv_feed.get ('bbc_one').channels ()
#print tv_feed.categories ()
#print tv_feed.get ('drama').list ()
#print tv_feed.get ('drama').get_subcategory ('period').list ()
if __name__ == '__main__':
test ()
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