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118 lines
4.5 KiB
Python
118 lines
4.5 KiB
Python
import urllib.request
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from .common import InfoExtractor
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from ..compat import compat_parse_qs
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from ..utils import ExtractorError
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class ScreencastIE(InfoExtractor):
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_VALID_URL = r'https?://(?:www\.)?screencast\.com/t/(?P<id>[a-zA-Z0-9]+)'
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_TESTS = [{
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'url': 'http://www.screencast.com/t/3ZEjQXlT',
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'md5': '917df1c13798a3e96211dd1561fded83',
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'info_dict': {
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'id': '3ZEjQXlT',
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'ext': 'm4v',
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'title': 'Color Measurement with Ocean Optics Spectrometers',
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'description': 'md5:240369cde69d8bed61349a199c5fb153',
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'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
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}
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}, {
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'url': 'http://www.screencast.com/t/V2uXehPJa1ZI',
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'md5': 'e8e4b375a7660a9e7e35c33973410d34',
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'info_dict': {
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'id': 'V2uXehPJa1ZI',
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'ext': 'mov',
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'title': 'The Amadeus Spectrometer',
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'description': 're:^In this video, our friends at.*To learn more about Amadeus, visit',
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'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
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}
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}, {
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'url': 'http://www.screencast.com/t/aAB3iowa',
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'md5': 'dedb2734ed00c9755761ccaee88527cd',
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'info_dict': {
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'id': 'aAB3iowa',
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'ext': 'mp4',
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'title': 'Google Earth Export',
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'description': 'Provides a demo of a CommunityViz export to Google Earth, one of the 3D viewing options.',
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'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
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}
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}, {
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'url': 'http://www.screencast.com/t/X3ddTrYh',
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'md5': '669ee55ff9c51988b4ebc0877cc8b159',
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'info_dict': {
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'id': 'X3ddTrYh',
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'ext': 'wmv',
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'title': 'Toolkit 6 User Group Webinar (2014-03-04) - Default Judgment and First Impression',
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'description': 'md5:7b9f393bc92af02326a5c5889639eab0',
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'thumbnail': r're:^https?://.*\.(?:gif|jpg)$',
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}
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}, {
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'url': 'http://screencast.com/t/aAB3iowa',
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'only_matching': True,
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}]
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def _real_extract(self, url):
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video_id = self._match_id(url)
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webpage = self._download_webpage(url, video_id)
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video_url = self._html_search_regex(
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r'<embed name="Video".*?src="([^"]+)"', webpage,
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'QuickTime embed', default=None)
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if video_url is None:
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flash_vars_s = self._html_search_regex(
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r'<param name="flashVars" value="([^"]+)"', webpage, 'flash vars',
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default=None)
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if not flash_vars_s:
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flash_vars_s = self._html_search_regex(
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r'<param name="initParams" value="([^"]+)"', webpage, 'flash vars',
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default=None)
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if flash_vars_s:
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flash_vars_s = flash_vars_s.replace(',', '&')
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if flash_vars_s:
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flash_vars = compat_parse_qs(flash_vars_s)
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video_url_raw = urllib.request.quote(
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flash_vars['content'][0])
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video_url = video_url_raw.replace('http%3A', 'http:')
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if video_url is None:
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video_meta = self._html_search_meta(
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'og:video', webpage, default=None)
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if video_meta:
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video_url = self._search_regex(
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r'src=(.*?)(?:$|&)', video_meta,
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'meta tag video URL', default=None)
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if video_url is None:
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video_url = self._html_search_regex(
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r'MediaContentUrl["\']\s*:(["\'])(?P<url>(?:(?!\1).)+)\1',
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webpage, 'video url', default=None, group='url')
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if video_url is None:
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video_url = self._html_search_meta(
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'og:video', webpage, default=None)
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if video_url is None:
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raise ExtractorError('Cannot find video')
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title = self._og_search_title(webpage, default=None)
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if title is None:
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title = self._html_search_regex(
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[r'<b>Title:</b> ([^<]+)</div>',
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r'class="tabSeperator">></span><span class="tabText">(.+?)<',
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r'<title>([^<]+)</title>'],
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webpage, 'title')
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thumbnail = self._og_search_thumbnail(webpage)
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description = self._og_search_description(webpage, default=None)
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if description is None:
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description = self._html_search_meta('description', webpage)
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return {
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'id': video_id,
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'url': video_url,
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'title': title,
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'description': description,
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'thumbnail': thumbnail,
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}
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