openmedialibrary_platform/Shared/lib/python2.7/site-packages/ox/web/youtube.py

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2013-10-11 17:28:32 +00:00
# -*- coding: utf-8 -*-
# vi:si:et:sw=4:sts=4:ts=4
from urllib import quote, unquote_plus
import urllib2
import cookielib
import re
from xml.dom.minidom import parseString
import json
import feedparser
import ox
from ox.cache import read_url, cache_timeout
def get_id(url):
match = re.compile('v=(.+?)($|&)').findall(url)
if match:
return match[0][0]
def get_url(id):
return 'http://www.youtube.com/watch?v=%s' % id
def video_url(youtubeId, format='mp4', timeout=cache_timeout):
"""
youtubeId - if of video
format - video format, options: webm, 1080p, 720p, mp4, high
"""
fmt = None
if format == '4k':
fmt=38
elif format == '1080p':
fmt=37
elif format == '720p':
fmt=22
elif format == 'mp4':
fmt=18
elif format == 'high':
fmt=35
elif format == 'webm':
streams = videos(youtubeId, 'webm')
return streams[max(streams.keys())]['stream_url']
streams = videos(youtubeId)
if str(fmt) in streams:
return streams[str(fmt)]['stream_url']
def find(query, max_results=10, offset=1, orderBy='relevance'):
query = quote(query)
url = "http://gdata.youtube.com/feeds/api/videos?vq=%s&orderby=%s&start-index=%s&max-results=%s" % (query, orderBy, offset, max_results)
data = read_url(url)
fd = feedparser.parse(data)
videos = []
for item in fd.entries:
id = item['id'].split('/')[-1]
title = item['title']
description = item['description']
videos.append((title, id, description))
if len(videos) >= max_results:
return videos
return videos
def info(id, timeout=cache_timeout):
info = {}
if id.startswith('http'):
id = get_id(id)
if not id:
return info
url = "http://gdata.youtube.com/feeds/api/videos/%s?v=2" % id
data = read_url(url, timeout=timeout)
xml = parseString(data)
info['id'] = id
info['url'] = get_url(id)
info['title'] = xml.getElementsByTagName('title')[0].firstChild.data
info['description'] = xml.getElementsByTagName('media:description')[0].firstChild.data
info['date'] = xml.getElementsByTagName('published')[0].firstChild.data.split('T')[0]
info['author'] = "http://www.youtube.com/user/%s"%xml.getElementsByTagName('name')[0].firstChild.data
info['categories'] = []
for cat in xml.getElementsByTagName('media:category'):
info['categories'].append(cat.firstChild.data)
k = xml.getElementsByTagName('media:keywords')[0].firstChild
if k:
info['keywords'] = k.data.split(', ')
data = read_url(info['url'], timeout=timeout)
match = re.compile('<h4>License:</h4>(.*?)</p>', re.DOTALL).findall(data)
if match:
info['license'] = match[0].strip()
info['license'] = re.sub('<.+?>', '', info['license']).strip()
url = "http://www.youtube.com/api/timedtext?hl=en&type=list&tlangs=1&v=%s&asrs=1" % id
data = read_url(url, timeout=timeout)
xml = parseString(data)
languages = [t.getAttribute('lang_code') for t in xml.getElementsByTagName('track')]
if languages:
info['subtitles'] = {}
for language in languages:
url = "http://www.youtube.com/api/timedtext?hl=en&v=%s&type=track&lang=%s&name&kind"%(id, language)
data = read_url(url, timeout=timeout)
xml = parseString(data)
subs = []
for t in xml.getElementsByTagName('text'):
start = float(t.getAttribute('start'))
duration = t.getAttribute('dur')
if not duration:
duration = '2'
end = start + float(duration)
text = t.firstChild.data
subs.append({
'in': start,
'out': end,
'value': ox.decode_html(text),
})
info['subtitles'][language] = subs
return info
def videos(id, format=''):
stream_type = {
'flv': 'video/x-flv',
'webm': 'video/webm',
'mp4': 'video/mp4'
}.get(format)
url = "http://www.youtube.com/watch?v=%s" % id
data = read_url(url)
match = re.compile('"url_encoded_fmt_stream_map": "(.*?)"').findall(data)
streams = {}
if match:
for x in match[0].split(','):
stream = {}
for s in x.split('\\u0026'):
key, value = s.split('=')
value = unquote_plus(value)
stream[key] = value
if 'url' in stream and 'sig' in stream:
stream['stream_url'] = '%s&signature=%s' % (stream['url'], stream['sig'])
if not stream_type or stream['type'].startswith(stream_type):
streams[stream['itag']] = stream
return streams
def playlist(url):
data = read_url(url)
items = []
for i in list(set(re.compile('<a href="(/watch\?v=.*?)" title="(.*?)" ').findall(data))):
items.append({
'title': i[1],
'url': 'http://www.youtube.com' + i[0].split('&amp;')[0]
})
return items
def download_webm(id, filename):
stream_type = 'video/webm'
url = "http://www.youtube.com/watch?v=%s" % id
cj = cookielib.CookieJar()
opener = urllib2.build_opener(urllib2.HTTPCookieProcessor(cj))
opener.addheaders = [
('User-Agent',
'Mozilla/5.0 (X11; Linux i686; rv:2.0) Gecko/20100101 Firefox/4.0'),
('Accept-Language', 'en-us, en;q=0.50')
]
u = opener.open(url)
data = u.read()
u.close()
match = re.compile('"url_encoded_fmt_stream_map": "(.*?)"').findall(data)
streams = {}
for x in match[0].split(','):
stream = {}
for s in x.split('\\u0026'):
key, value = s.split('=')
value = unquote_plus(value)
stream[key] = value
if stream['type'].startswith(stream_type):
streams[stream['itag']] = stream
if streams:
s = max(streams.keys())
url = '%s&signature=%s' % (streams[s]['url'], streams[s]['sig'])
else:
return None
#download video and save to file.
u = opener.open(url)
f = open(filename, 'w')
data = True
while data:
data = u.read(4096)
f.write(data)
f.close()
u.close()
return filename
def get_config(id):
if id.startswith('http'):
url = id
else:
url = get_url(id)
data = read_url(url)
match = re.compile('ytplayer.config = (.*?);<').findall(data)
if match:
config = json.load(match[0])
return config