136 lines
5.3 KiB
Python
136 lines
5.3 KiB
Python
from __future__ import unicode_literals
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import re
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import xml.etree.ElementTree
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from .common import InfoExtractor
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from ..utils import (
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compat_urllib_parse,
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compat_urllib_request,
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)
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class GDCVaultIE(InfoExtractor):
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_VALID_URL = r'https?://(?:www\.)?gdcvault\.com/play/(?P<id>\d+)/(?P<name>(\w|-)+)'
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_TESTS = [
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{
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'url': 'http://www.gdcvault.com/play/1019721/Doki-Doki-Universe-Sweet-Simple',
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'md5': '7ce8388f544c88b7ac11c7ab1b593704',
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'info_dict': {
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'id': '1019721',
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'ext': 'mp4',
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'title': 'Doki-Doki Universe: Sweet, Simple and Genuine (GDC Next 10)'
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}
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},
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{
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'url': 'http://www.gdcvault.com/play/1015683/Embracing-the-Dark-Art-of',
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'info_dict': {
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'id': '1015683',
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'ext': 'flv',
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'title': 'Embracing the Dark Art of Mathematical Modeling in AI'
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},
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'params' : {
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'skip_download': True, # Requires rtmpdump
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}
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},
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]
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def _parse_mp4(self, xml_description):
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video_formats = []
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mp4_video = xml_description.find('./metadata/mp4video')
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if mp4_video is None:
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return None
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mobj = re.match(r'(?P<root>https?://.*?/).*', mp4_video.text)
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video_root = mobj.group('root')
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formats = xml_description.findall('./metadata/MBRVideos/MBRVideo')
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for format in formats:
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mobj = re.match(r'mp4\:(?P<path>.*)', format.find('streamName').text)
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url = video_root + mobj.group('path')
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vbr = format.find('bitrate').text
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video_formats.append({
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'url': url,
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'vbr': int(vbr),
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})
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return video_formats
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def _parse_flv(self, xml_description):
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video_formats = []
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akami_url = xml_description.find('./metadata/akamaiHost').text
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slide_video_path = xml_description.find('./metadata/slideVideo').text
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video_formats.append({
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'url': 'rtmp://' + akami_url + '/' + slide_video_path,
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'format_note': 'slide deck video',
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'quality': -2,
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'preference': -2,
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'format_id': 'slides',
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})
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speaker_video_path = xml_description.find('./metadata/speakerVideo').text
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video_formats.append({
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'url': 'rtmp://' + akami_url + '/' + speaker_video_path,
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'format_note': 'speaker video',
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'quality': -1,
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'preference': -1,
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'format_id': 'speaker',
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})
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return video_formats
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def _login(self, webpage_url, video_id):
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(username, password) = self._get_login_info()
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if username is None or password is None:
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self.report_warning('It looks like ' + webpage_url + ' requires a login. Try specifying a username and password and try again.')
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return None
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mobj = re.match(r'(?P<root_url>https?://.*?/).*', webpage_url)
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login_url = mobj.group('root_url') + 'api/login.php'
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logout_url = mobj.group('root_url') + 'logout'
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login_form = {
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'email': username,
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'password': password,
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}
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request = compat_urllib_request.Request(login_url, compat_urllib_parse.urlencode(login_form))
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request.add_header('Content-Type', 'application/x-www-form-urlencoded')
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login_content = self._download_webpage(request, video_id, 'Logging in')
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start_page = self._download_webpage(webpage_url, video_id, 'Getting authenticated video page')
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logout_content = self._download_webpage(logout_url, video_id, 'Logging out')
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return start_page
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def _real_extract(self, url):
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mobj = re.match(self._VALID_URL, url)
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video_id = mobj.group('id')
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webpage_url = 'http://www.gdcvault.com/play/' + video_id
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start_page = self._download_webpage(webpage_url, video_id)
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xml_root = self._html_search_regex(r'<iframe src="(?P<xml_root>.*?)player.html.*?".*?</iframe>', start_page, 'xml root', None, False)
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if xml_root is None:
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# Probably need to authenticate
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start_page = self._login(webpage_url, video_id)
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if start_page is None:
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self.report_warning('Could not login.')
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else:
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# Grab the url from the authenticated page
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xml_root = self._html_search_regex(r'<iframe src="(?P<xml_root>.*?)player.html.*?".*?</iframe>', start_page, 'xml root')
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xml_name = self._html_search_regex(r'<iframe src=".*?\?xml=(?P<xml_file>.+?\.xml).*?".*?</iframe>', start_page, 'xml filename', None, False)
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if xml_name is None:
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# Fallback to the older format
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xml_name = self._html_search_regex(r'<iframe src=".*?\?xmlURL=xml/(?P<xml_file>.+?\.xml).*?".*?</iframe>', start_page, 'xml filename')
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xml_decription_url = xml_root + 'xml/' + xml_name
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xml_description = self._download_xml(xml_decription_url, video_id)
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video_title = xml_description.find('./metadata/title').text
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video_formats = self._parse_mp4(xml_description)
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if video_formats is None:
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video_formats = self._parse_flv(xml_description)
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return {
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'id': video_id,
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'title': video_title,
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'formats': video_formats,
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}
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