mirror of
https://github.com/ytdl-org/youtube-dl
synced 2024-11-05 18:08:00 +09:00
133 lines
5.1 KiB
Python
133 lines
5.1 KiB
Python
from __future__ import unicode_literals
|
|
|
|
import re
|
|
import json
|
|
|
|
from .common import InfoExtractor
|
|
from .youtube import YoutubeIE
|
|
from ..utils import (
|
|
clean_html,
|
|
ExtractorError,
|
|
get_element_by_id,
|
|
)
|
|
|
|
|
|
class TechTVMITIE(InfoExtractor):
|
|
IE_NAME = 'techtv.mit.edu'
|
|
_VALID_URL = r'https?://techtv\.mit\.edu/(?:videos|embeds)/(?P<id>\d+)'
|
|
|
|
_TEST = {
|
|
'url': 'http://techtv.mit.edu/videos/25418-mit-dna-learning-center-set',
|
|
'md5': '00a3a27ee20d44bcaa0933ccec4a2cf7',
|
|
'info_dict': {
|
|
'id': '25418',
|
|
'ext': 'mp4',
|
|
'title': 'MIT DNA and Protein Sets',
|
|
'description': 'md5:46f5c69ce434f0a97e7c628cc142802d',
|
|
},
|
|
}
|
|
|
|
def _real_extract(self, url):
|
|
video_id = self._match_id(url)
|
|
raw_page = self._download_webpage(
|
|
'http://techtv.mit.edu/videos/%s' % video_id, video_id)
|
|
clean_page = re.compile(r'<!--.*?-->', re.S).sub('', raw_page)
|
|
|
|
base_url = self._proto_relative_url(self._search_regex(
|
|
r'ipadUrl: \'(.+?cloudfront.net/)', raw_page, 'base url'), 'http:')
|
|
formats_json = self._search_regex(
|
|
r'bitrates: (\[.+?\])', raw_page, 'video formats')
|
|
formats_mit = json.loads(formats_json)
|
|
formats = [
|
|
{
|
|
'format_id': f['label'],
|
|
'url': base_url + f['url'].partition(':')[2],
|
|
'ext': f['url'].partition(':')[0],
|
|
'format': f['label'],
|
|
'width': f['width'],
|
|
'vbr': f['bitrate'],
|
|
}
|
|
for f in formats_mit
|
|
]
|
|
|
|
title = get_element_by_id('edit-title', clean_page)
|
|
description = clean_html(get_element_by_id('edit-description', clean_page))
|
|
thumbnail = self._search_regex(
|
|
r'playlist:.*?url: \'(.+?)\'',
|
|
raw_page, 'thumbnail', flags=re.DOTALL)
|
|
|
|
return {
|
|
'id': video_id,
|
|
'title': title,
|
|
'formats': formats,
|
|
'description': description,
|
|
'thumbnail': thumbnail,
|
|
}
|
|
|
|
|
|
class OCWMITIE(InfoExtractor):
|
|
IE_NAME = 'ocw.mit.edu'
|
|
_VALID_URL = r'^https?://ocw\.mit\.edu/courses/(?P<topic>[a-z0-9\-]+)'
|
|
_BASE_URL = 'http://ocw.mit.edu/'
|
|
|
|
_TESTS = [
|
|
{
|
|
'url': 'http://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-041-probabilistic-systems-analysis-and-applied-probability-fall-2010/video-lectures/lecture-7-multiple-variables-expectations-independence/',
|
|
'info_dict': {
|
|
'id': 'EObHWIEKGjA',
|
|
'ext': 'webm',
|
|
'title': 'Lecture 7: Multiple Discrete Random Variables: Expectations, Conditioning, Independence',
|
|
'description': 'In this lecture, the professor discussed multiple random variables, expectations, and binomial distribution.',
|
|
'upload_date': '20121109',
|
|
'uploader_id': 'MIT',
|
|
'uploader': 'MIT OpenCourseWare',
|
|
}
|
|
},
|
|
{
|
|
'url': 'http://ocw.mit.edu/courses/mathematics/18-01sc-single-variable-calculus-fall-2010/1.-differentiation/part-a-definition-and-basic-rules/session-1-introduction-to-derivatives/',
|
|
'info_dict': {
|
|
'id': '7K1sB05pE0A',
|
|
'ext': 'mp4',
|
|
'title': 'Session 1: Introduction to Derivatives',
|
|
'upload_date': '20090818',
|
|
'uploader_id': 'MIT',
|
|
'uploader': 'MIT OpenCourseWare',
|
|
'description': 'This section contains lecture video excerpts, lecture notes, an interactive mathlet with supporting documents, and problem solving videos.',
|
|
}
|
|
}
|
|
]
|
|
|
|
def _real_extract(self, url):
|
|
mobj = re.match(self._VALID_URL, url)
|
|
topic = mobj.group('topic')
|
|
|
|
webpage = self._download_webpage(url, topic)
|
|
title = self._html_search_meta('WT.cg_s', webpage)
|
|
description = self._html_search_meta('Description', webpage)
|
|
|
|
# search for call to ocw_embed_chapter_media(container_id, media_url, provider, page_url, image_url, start, stop, captions_file)
|
|
embed_chapter_media = re.search(r'ocw_embed_chapter_media\((.+?)\)', webpage)
|
|
if embed_chapter_media:
|
|
metadata = re.sub(r'[\'"]', '', embed_chapter_media.group(1))
|
|
metadata = re.split(r', ?', metadata)
|
|
yt = metadata[1]
|
|
else:
|
|
# search for call to ocw_embed_chapter_media(container_id, media_url, provider, page_url, image_url, captions_file)
|
|
embed_media = re.search(r'ocw_embed_media\((.+?)\)', webpage)
|
|
if embed_media:
|
|
metadata = re.sub(r'[\'"]', '', embed_media.group(1))
|
|
metadata = re.split(r', ?', metadata)
|
|
yt = metadata[1]
|
|
else:
|
|
raise ExtractorError('Unable to find embedded YouTube video.')
|
|
video_id = YoutubeIE.extract_id(yt)
|
|
|
|
return {
|
|
'_type': 'url_transparent',
|
|
'id': video_id,
|
|
'title': title,
|
|
'description': description,
|
|
'url': yt,
|
|
'ie_key': 'Youtube',
|
|
}
|