+from __future__ import unicode_literals
+
import re
-import socket
-import xml.etree.ElementTree
from .common import InfoExtractor
from ..utils import (
- compat_http_client,
- compat_str,
- compat_urllib_error,
- compat_urllib_request,
-
ExtractorError,
orderedSet,
unescapeHTML,
class StanfordOpenClassroomIE(InfoExtractor):
- IE_NAME = u'stanfordoc'
- IE_DESC = u'Stanford Open ClassRoom'
- _VALID_URL = r'^(?:https?://)?openclassroom.stanford.edu(?P<path>/?|(/MainFolder/(?:HomePage|CoursePage|VideoPage)\.php([?]course=(?P<course>[^&]+)(&video=(?P<video>[^&]+))?(&.*)?)?))$'
+ IE_NAME = 'stanfordoc'
+ IE_DESC = 'Stanford Open ClassRoom'
+ _VALID_URL = r'https?://openclassroom\.stanford\.edu(?P<path>/?|(/MainFolder/(?:HomePage|CoursePage|VideoPage)\.php([?]course=(?P<course>[^&]+)(&video=(?P<video>[^&]+))?(&.*)?)?))$'
_TEST = {
- u'url': u'http://openclassroom.stanford.edu/MainFolder/VideoPage.php?course=PracticalUnix&video=intro-environment&speed=100',
- u'file': u'PracticalUnix_intro-environment.mp4',
- u'md5': u'544a9468546059d4e80d76265b0443b8',
- u'info_dict': {
- u"title": u"Intro Environment"
+ '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 is None:
- raise ExtractorError(u'Invalid URL: %s' % url)
- if mobj.group('course') and mobj.group('video'): # A specific video
+ if mobj.group('course') and mobj.group('video'): # A specific video
course = mobj.group('course')
video = mobj.group('video')
info = {
'upload_date': None,
}
- self.report_extraction(info['id'])
baseUrl = 'http://openclassroom.stanford.edu/MainFolder/courses/' + course + '/videos/'
xmlUrl = baseUrl + video + '.xml'
- try:
- metaXml = compat_urllib_request.urlopen(xmlUrl).read()
- except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
- raise ExtractorError(u'Unable to download video info XML: %s' % compat_str(err))
- mdoc = xml.etree.ElementTree.fromstring(metaXml)
+ 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(u'Invalid metadata XML file')
- info['ext'] = info['url'].rpartition('.')[2]
- return [info]
- elif mobj.group('course'): # A course page
+ raise ExtractorError('Invalid metadata XML file')
+ return info
+ elif mobj.group('course'): # A course page
course = mobj.group('course')
info = {
'id': course,
- 'type': 'playlist',
+ '_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')
+ 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('<h1>([^<]+)</h1>', coursepage, 'title', default=info['id'])
+ info['title'] = self._html_search_regex(
+ r'<h1>([^<]+)</h1>', coursepage, 'title', default=info['id'])
- info['description'] = self._html_search_regex('<description>([^<]+)</description>',
- coursepage, u'description', fatal=False)
+ info['description'] = self._html_search_regex(
+ r'(?s)<description>([^<]+)</description>',
+ coursepage, 'description', fatal=False)
- links = orderedSet(re.findall('<a href="(VideoPage.php\?[^"]+)">', coursepage))
- info['list'] = [
- {
- 'type': 'reference',
- 'url': 'http://openclassroom.stanford.edu/MainFolder/' + unescapeHTML(vpage),
- }
- for vpage in links]
- results = []
- for entry in info['list']:
- assert entry['type'] == 'reference'
- results += self.extract(entry['url'])
- return results
- else: # Root page
+ 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',
+ '_type': 'playlist',
'uploader': None,
'upload_date': None,
}
-
- self.report_download_webpage(info['id'])
- rootURL = 'http://openclassroom.stanford.edu/MainFolder/HomePage.php'
- try:
- rootpage = compat_urllib_request.urlopen(rootURL).read()
- except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
- raise ExtractorError(u'Unable to download course info page: ' + compat_str(err))
-
info['title'] = info['id']
- links = orderedSet(re.findall('<a href="(CoursePage.php\?[^"]+)">', rootpage))
- info['list'] = [
- {
- 'type': 'reference',
- 'url': 'http://openclassroom.stanford.edu/MainFolder/' + unescapeHTML(cpage),
- }
- for cpage in links]
+ rootURL = 'http://openclassroom.stanford.edu/MainFolder/HomePage.php'
+ rootpage = self._download_webpage(rootURL, info['id'],
+ errnote='Unable to download course info page')
- results = []
- for entry in info['list']:
- assert entry['type'] == 'reference'
- results += self.extract(entry['url'])
- return results
+ 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