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	Move StanfordOC IE into its own file
This commit is contained in:
		@@ -37,6 +37,7 @@ from .extractor.myvideo import MyVideoIE
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from .extractor.statigram import StatigramIE
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from .extractor.photobucket import PhotobucketIE
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from .extractor.soundcloud import SoundcloudIE, SoundcloudSetIE
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from .extractor.stanfordoc import StanfordOpenClassroomIE
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from .extractor.vimeo import VimeoIE
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from .extractor.xvideos import XVideosIE
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from .extractor.yahoo import YahooIE, YahooSearchIE
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@@ -150,101 +151,6 @@ class MixcloudIE(InfoExtractor):
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            'player_url': player_url.decode('utf-8'),
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        }]
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class StanfordOpenClassroomIE(InfoExtractor):
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    """Information extractor for Stanford's Open ClassRoom"""
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    _VALID_URL = r'^(?:https?://)?openclassroom.stanford.edu(?P<path>/?|(/MainFolder/(?:HomePage|CoursePage|VideoPage)\.php([?]course=(?P<course>[^&]+)(&video=(?P<video>[^&]+))?(&.*)?)?))$'
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    IE_NAME = u'stanfordoc'
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    def _real_extract(self, url):
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        mobj = re.match(self._VALID_URL, url)
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        if mobj is None:
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            raise ExtractorError(u'Invalid URL: %s' % url)
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        if mobj.group('course') and mobj.group('video'): # A specific video
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            course = mobj.group('course')
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            video = mobj.group('video')
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            info = {
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                'id': course + '_' + video,
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                'uploader': None,
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                'upload_date': None,
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            }
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            self.report_extraction(info['id'])
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            baseUrl = 'http://openclassroom.stanford.edu/MainFolder/courses/' + course + '/videos/'
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            xmlUrl = baseUrl + video + '.xml'
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            try:
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                metaXml = compat_urllib_request.urlopen(xmlUrl).read()
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            except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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                raise ExtractorError(u'Unable to download video info XML: %s' % compat_str(err))
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            mdoc = xml.etree.ElementTree.fromstring(metaXml)
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            try:
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                info['title'] = mdoc.findall('./title')[0].text
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                info['url'] = baseUrl + mdoc.findall('./videoFile')[0].text
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            except IndexError:
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                raise ExtractorError(u'Invalid metadata XML file')
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            info['ext'] = info['url'].rpartition('.')[2]
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            return [info]
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        elif mobj.group('course'): # A course page
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            course = mobj.group('course')
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            info = {
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                'id': course,
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                'type': 'playlist',
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                'uploader': None,
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                'upload_date': None,
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            }
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            coursepage = self._download_webpage(url, info['id'],
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                                        note='Downloading course info page',
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                                        errnote='Unable to download course info page')
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            info['title'] = self._html_search_regex('<h1>([^<]+)</h1>', coursepage, 'title', default=info['id'])
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            info['description'] = self._html_search_regex('<description>([^<]+)</description>',
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                coursepage, u'description', fatal=False)
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            links = orderedSet(re.findall('<a href="(VideoPage.php\?[^"]+)">', coursepage))
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            info['list'] = [
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                {
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                    'type': 'reference',
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                    'url': 'http://openclassroom.stanford.edu/MainFolder/' + unescapeHTML(vpage),
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                }
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                    for vpage in links]
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            results = []
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            for entry in info['list']:
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                assert entry['type'] == 'reference'
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                results += self.extract(entry['url'])
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            return results
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        else: # Root page
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            info = {
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                'id': 'Stanford OpenClassroom',
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                'type': 'playlist',
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                'uploader': None,
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                'upload_date': None,
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            }
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            self.report_download_webpage(info['id'])
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            rootURL = 'http://openclassroom.stanford.edu/MainFolder/HomePage.php'
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            try:
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                rootpage = compat_urllib_request.urlopen(rootURL).read()
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            except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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                raise ExtractorError(u'Unable to download course info page: ' + compat_str(err))
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            info['title'] = info['id']
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            links = orderedSet(re.findall('<a href="(CoursePage.php\?[^"]+)">', rootpage))
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            info['list'] = [
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                {
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                    'type': 'reference',
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                    'url': 'http://openclassroom.stanford.edu/MainFolder/' + unescapeHTML(cpage),
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                }
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                    for cpage in links]
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            results = []
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            for entry in info['list']:
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                assert entry['type'] == 'reference'
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                results += self.extract(entry['url'])
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            return results
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class MTVIE(InfoExtractor):
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    """Information extractor for MTV.com"""
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										112
									
								
								youtube_dl/extractor/stanfordoc.py
									
									
									
									
									
										Normal file
									
								
							
							
						
						
									
										112
									
								
								youtube_dl/extractor/stanfordoc.py
									
									
									
									
									
										Normal file
									
								
							@@ -0,0 +1,112 @@
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import re
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import socket
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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_http_client,
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    compat_str,
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    compat_urllib_error,
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    compat_urllib_request,
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    ExtractorError,
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    orderedSet,
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    unescapeHTML,
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)
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class StanfordOpenClassroomIE(InfoExtractor):
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    """Information extractor for Stanford's Open ClassRoom"""
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    _VALID_URL = r'^(?:https?://)?openclassroom.stanford.edu(?P<path>/?|(/MainFolder/(?:HomePage|CoursePage|VideoPage)\.php([?]course=(?P<course>[^&]+)(&video=(?P<video>[^&]+))?(&.*)?)?))$'
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    IE_NAME = u'stanfordoc'
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    def _real_extract(self, url):
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        mobj = re.match(self._VALID_URL, url)
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        if mobj is None:
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            raise ExtractorError(u'Invalid URL: %s' % url)
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        if mobj.group('course') and mobj.group('video'): # A specific video
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            course = mobj.group('course')
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            video = mobj.group('video')
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            info = {
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                'id': course + '_' + video,
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                'uploader': None,
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                'upload_date': None,
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            }
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            self.report_extraction(info['id'])
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            baseUrl = 'http://openclassroom.stanford.edu/MainFolder/courses/' + course + '/videos/'
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            xmlUrl = baseUrl + video + '.xml'
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            try:
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                metaXml = compat_urllib_request.urlopen(xmlUrl).read()
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            except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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                raise ExtractorError(u'Unable to download video info XML: %s' % compat_str(err))
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            mdoc = xml.etree.ElementTree.fromstring(metaXml)
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            try:
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                info['title'] = mdoc.findall('./title')[0].text
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                info['url'] = baseUrl + mdoc.findall('./videoFile')[0].text
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            except IndexError:
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                raise ExtractorError(u'Invalid metadata XML file')
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            info['ext'] = info['url'].rpartition('.')[2]
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            return [info]
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        elif mobj.group('course'): # A course page
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            course = mobj.group('course')
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            info = {
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                'id': course,
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                'type': 'playlist',
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                'uploader': None,
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                'upload_date': None,
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            }
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            coursepage = self._download_webpage(url, info['id'],
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                                        note='Downloading course info page',
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                                        errnote='Unable to download course info page')
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            info['title'] = self._html_search_regex('<h1>([^<]+)</h1>', coursepage, 'title', default=info['id'])
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            info['description'] = self._html_search_regex('<description>([^<]+)</description>',
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                coursepage, u'description', fatal=False)
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            links = orderedSet(re.findall('<a href="(VideoPage.php\?[^"]+)">', coursepage))
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            info['list'] = [
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                {
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                    'type': 'reference',
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                    'url': 'http://openclassroom.stanford.edu/MainFolder/' + unescapeHTML(vpage),
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                }
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                    for vpage in links]
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            results = []
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            for entry in info['list']:
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                assert entry['type'] == 'reference'
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                results += self.extract(entry['url'])
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            return results
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        else: # Root page
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            info = {
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                'id': 'Stanford OpenClassroom',
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                'type': 'playlist',
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                'uploader': None,
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                'upload_date': None,
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            }
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            self.report_download_webpage(info['id'])
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            rootURL = 'http://openclassroom.stanford.edu/MainFolder/HomePage.php'
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            try:
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                rootpage = compat_urllib_request.urlopen(rootURL).read()
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            except (compat_urllib_error.URLError, compat_http_client.HTTPException, socket.error) as err:
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                raise ExtractorError(u'Unable to download course info page: ' + compat_str(err))
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            info['title'] = info['id']
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            links = orderedSet(re.findall('<a href="(CoursePage.php\?[^"]+)">', rootpage))
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            info['list'] = [
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                {
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                    'type': 'reference',
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                    'url': 'http://openclassroom.stanford.edu/MainFolder/' + unescapeHTML(cpage),
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                }
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                    for cpage in links]
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            results = []
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            for entry in info['list']:
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                assert entry['type'] == 'reference'
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                results += self.extract(entry['url'])
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            return results
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