mirror of
https://github.com/blackjack4494/yt-dlc.git
synced 2024-12-22 15:57:23 +00:00
91 lines
3.4 KiB
Python
91 lines
3.4 KiB
Python
from __future__ import unicode_literals
|
|
|
|
import re
|
|
|
|
from .common import InfoExtractor
|
|
from ..utils import (
|
|
ExtractorError,
|
|
orderedSet,
|
|
unescapeHTML,
|
|
)
|
|
|
|
|
|
class StanfordOpenClassroomIE(InfoExtractor):
|
|
IE_NAME = 'stanfordoc'
|
|
IE_DESC = 'Stanford Open ClassRoom'
|
|
_VALID_URL = r'https?://openclassroom\.stanford\.edu(?P<path>/?|(/MainFolder/(?:HomePage|CoursePage|VideoPage)\.php([?]course=(?P<course>[^&]+)(&video=(?P<video>[^&]+))?(&.*)?)?))$'
|
|
_TEST = {
|
|
'url': 'http://openclassroom.stanford.edu/MainFolder/VideoPage.php?course=PracticalUnix&video=intro-environment&speed=100',
|
|
'md5': '544a9468546059d4e80d76265b0443b8',
|
|
'info_dict': {
|
|
'id': 'PracticalUnix_intro-environment',
|
|
'ext': 'mp4',
|
|
'title': 'Intro Environment',
|
|
}
|
|
}
|
|
|
|
def _real_extract(self, url):
|
|
mobj = re.match(self._VALID_URL, url)
|
|
|
|
if mobj.group('course') and mobj.group('video'): # A specific video
|
|
course = mobj.group('course')
|
|
video = mobj.group('video')
|
|
info = {
|
|
'id': course + '_' + video,
|
|
'uploader': None,
|
|
'upload_date': None,
|
|
}
|
|
|
|
baseUrl = 'http://openclassroom.stanford.edu/MainFolder/courses/' + course + '/videos/'
|
|
xmlUrl = baseUrl + video + '.xml'
|
|
mdoc = self._download_xml(xmlUrl, info['id'])
|
|
try:
|
|
info['title'] = mdoc.findall('./title')[0].text
|
|
info['url'] = baseUrl + mdoc.findall('./videoFile')[0].text
|
|
except IndexError:
|
|
raise ExtractorError('Invalid metadata XML file')
|
|
return info
|
|
elif mobj.group('course'): # A course page
|
|
course = mobj.group('course')
|
|
info = {
|
|
'id': course,
|
|
'_type': 'playlist',
|
|
'uploader': None,
|
|
'upload_date': None,
|
|
}
|
|
|
|
coursepage = self._download_webpage(
|
|
url, info['id'],
|
|
note='Downloading course info page',
|
|
errnote='Unable to download course info page')
|
|
|
|
info['title'] = self._html_search_regex(
|
|
r'<h1>([^<]+)</h1>', coursepage, 'title', default=info['id'])
|
|
|
|
info['description'] = self._html_search_regex(
|
|
r'(?s)<description>([^<]+)</description>',
|
|
coursepage, 'description', fatal=False)
|
|
|
|
links = orderedSet(re.findall(r'<a href="(VideoPage\.php\?[^"]+)">', coursepage))
|
|
info['entries'] = [self.url_result(
|
|
'http://openclassroom.stanford.edu/MainFolder/%s' % unescapeHTML(l)
|
|
) for l in links]
|
|
return info
|
|
else: # Root page
|
|
info = {
|
|
'id': 'Stanford OpenClassroom',
|
|
'_type': 'playlist',
|
|
'uploader': None,
|
|
'upload_date': None,
|
|
}
|
|
info['title'] = info['id']
|
|
|
|
rootURL = 'http://openclassroom.stanford.edu/MainFolder/HomePage.php'
|
|
rootpage = self._download_webpage(rootURL, info['id'],
|
|
errnote='Unable to download course info page')
|
|
|
|
links = orderedSet(re.findall(r'<a href="(CoursePage\.php\?[^"]+)">', rootpage))
|
|
info['entries'] = [self.url_result(
|
|
'http://openclassroom.stanford.edu/MainFolder/%s' % unescapeHTML(l)
|
|
) for l in links]
|
|
return info
|