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yt-dlp/youtube_dl/extractor/yahoo.py
2013-06-23 20:41:54 +02:00

113 lines
5.5 KiB
Python

import datetime
import itertools
import json
import re
from .common import InfoExtractor, SearchInfoExtractor
from ..utils import (
compat_urllib_parse,
ExtractorError,
)
class YahooIE(InfoExtractor):
"""Information extractor for screen.yahoo.com."""
_VALID_URL = r'http://screen\.yahoo\.com/.*?-(?P<id>\d*?)\.html'
def _real_extract(self, url):
mobj = re.match(self._VALID_URL, url)
if mobj is None:
raise ExtractorError(u'Invalid URL: %s' % url)
video_id = mobj.group('id')
webpage = self._download_webpage(url, video_id)
m_id = re.search(r'YUI\.namespace\("Media"\)\.CONTENT_ID = "(?P<new_id>.+?)";', webpage)
if m_id is None:
# TODO: Check which url parameters are required
info_url = 'http://cosmos.bcst.yahoo.com/rest/v2/pops;lmsoverride=1;outputformat=mrss;cb=974419660;id=%s;rd=news.yahoo.com;datacontext=mdb;lg=KCa2IihxG3qE60vQ7HtyUy' % video_id
webpage = self._download_webpage(info_url, video_id, u'Downloading info webpage')
info_re = r'''<title><!\[CDATA\[(?P<title>.*?)\]\]></title>.*
<description><!\[CDATA\[(?P<description>.*?)\]\]></description>.*
<media:pubStart><!\[CDATA\[(?P<date>.*?)\ .*\]\]></media:pubStart>.*
<media:content\ medium="image"\ url="(?P<thumb>.*?)"\ name="LARGETHUMB"
'''
self.report_extraction(video_id)
m_info = re.search(info_re, webpage, re.VERBOSE|re.DOTALL)
if m_info is None:
raise ExtractorError(u'Unable to extract video info')
video_title = m_info.group('title')
video_description = m_info.group('description')
video_thumb = m_info.group('thumb')
video_date = m_info.group('date')
video_date = datetime.datetime.strptime(video_date, '%m/%d/%Y').strftime('%Y%m%d')
# TODO: Find a way to get mp4 videos
rest_url = 'http://cosmos.bcst.yahoo.com/rest/v2/pops;element=stream;outputformat=mrss;id=%s;lmsoverride=1;bw=375;dynamicstream=1;cb=83521105;tech=flv,mp4;rd=news.yahoo.com;datacontext=mdb;lg=KCa2IihxG3qE60vQ7HtyUy' % video_id
webpage = self._download_webpage(rest_url, video_id, u'Downloading video url webpage')
m_rest = re.search(r'<media:content url="(?P<url>.*?)" path="(?P<path>.*?)"', webpage)
video_url = m_rest.group('url')
video_path = m_rest.group('path')
if m_rest is None:
raise ExtractorError(u'Unable to extract video url')
else: # We have to use a different method if another id is defined
long_id = m_id.group('new_id')
info_url = 'http://video.query.yahoo.com/v1/public/yql?q=SELECT%20*%20FROM%20yahoo.media.video.streams%20WHERE%20id%3D%22' + long_id + '%22%20AND%20format%3D%22mp4%2Cflv%22%20AND%20protocol%3D%22rtmp%2Chttp%22%20AND%20plrs%3D%2286Gj0vCaSzV_Iuf6hNylf2%22%20AND%20acctid%3D%22389%22%20AND%20plidl%3D%22%22%20AND%20pspid%3D%22792700001%22%20AND%20offnetwork%3D%22false%22%20AND%20site%3D%22ivy%22%20AND%20lang%3D%22en-US%22%20AND%20region%3D%22US%22%20AND%20override%3D%22none%22%3B&env=prod&format=json&callback=YUI.Env.JSONP.yui_3_8_1_1_1368368376830_335'
webpage = self._download_webpage(info_url, video_id, u'Downloading info json')
json_str = re.search(r'YUI.Env.JSONP.yui.*?\((.*?)\);', webpage).group(1)
info = json.loads(json_str)
res = info[u'query'][u'results'][u'mediaObj'][0]
stream = res[u'streams'][0]
video_path = stream[u'path']
video_url = stream[u'host']
meta = res[u'meta']
video_title = meta[u'title']
video_description = meta[u'description']
video_thumb = meta[u'thumbnail']
video_date = None # I can't find it
info_dict = {
'id': video_id,
'url': video_url,
'play_path': video_path,
'title':video_title,
'description': video_description,
'thumbnail': video_thumb,
'upload_date': video_date,
'ext': 'flv',
}
return info_dict
class YahooSearchIE(SearchInfoExtractor):
"""Information Extractor for Yahoo! Video search queries."""
_MAX_RESULTS = 1000
IE_NAME = u'screen.yahoo:search'
_SEARCH_KEY = 'yvsearch'
def _get_n_results(self, query, n):
"""Get a specified number of results for a query"""
res = {
'_type': 'playlist',
'id': query,
'entries': []
}
for pagenum in itertools.count(0):
result_url = u'http://video.search.yahoo.com/search/?p=%s&fr=screen&o=js&gs=0&b=%d' % (compat_urllib_parse.quote_plus(query), pagenum * 30)
webpage = self._download_webpage(result_url, query,
note='Downloading results page '+str(pagenum+1))
info = json.loads(webpage)
m = info[u'm']
results = info[u'results']
for (i, r) in enumerate(results):
if (pagenum * 30) +i >= n:
break
mobj = re.search(r'(?P<url>screen\.yahoo\.com/.*?-\d*?\.html)"', r)
e = self.url_result('http://' + mobj.group('url'), 'Yahoo')
res['entries'].append(e)
if (pagenum * 30 +i >= n) or (m[u'last'] >= (m[u'total'] -1 )):
break
return res