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-rw-r--r--youtube_dl/extractor/teachable.py259
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diff --git a/youtube_dl/extractor/teachable.py b/youtube_dl/extractor/teachable.py
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+++ b/youtube_dl/extractor/teachable.py
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+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from .wistia import WistiaIE
+from ..compat import compat_str
+from ..utils import (
+ clean_html,
+ ExtractorError,
+ get_element_by_class,
+ urlencode_postdata,
+ urljoin,
+)
+
+
+class TeachableBaseIE(InfoExtractor):
+ _NETRC_MACHINE = 'teachable'
+ _URL_PREFIX = 'teachable:'
+
+ _SITES = {
+ # Only notable ones here
+ 'upskillcourses.com': 'upskill',
+ 'academy.gns3.com': 'gns3',
+ 'academyhacker.com': 'academyhacker',
+ 'stackskills.com': 'stackskills',
+ 'market.saleshacker.com': 'saleshacker',
+ 'learnability.org': 'learnability',
+ 'edurila.com': 'edurila',
+ }
+
+ _VALID_URL_SUB_TUPLE = (_URL_PREFIX, '|'.join(re.escape(site) for site in _SITES.keys()))
+
+ def _real_initialize(self):
+ self._logged_in = False
+
+ def _login(self, site):
+ if self._logged_in:
+ return
+
+ username, password = self._get_login_info(
+ netrc_machine=self._SITES.get(site, site))
+ if username is None:
+ return
+
+ login_page, urlh = self._download_webpage_handle(
+ 'https://%s/sign_in' % site, None,
+ 'Downloading %s login page' % site)
+
+ login_url = compat_str(urlh.geturl())
+
+ login_form = self._hidden_inputs(login_page)
+
+ login_form.update({
+ 'user[email]': username,
+ 'user[password]': password,
+ })
+
+ post_url = self._search_regex(
+ r'<form[^>]+action=(["\'])(?P<url>(?:(?!\1).)+)\1', login_page,
+ 'post url', default=login_url, group='url')
+
+ if not post_url.startswith('http'):
+ post_url = urljoin(login_url, post_url)
+
+ response = self._download_webpage(
+ post_url, None, 'Logging in to %s' % site,
+ data=urlencode_postdata(login_form),
+ headers={
+ 'Content-Type': 'application/x-www-form-urlencoded',
+ 'Referer': login_url,
+ })
+
+ if '>I accept the new Privacy Policy<' in response:
+ raise ExtractorError(
+ 'Unable to login: %s asks you to accept new Privacy Policy. '
+ 'Go to https://%s/ and accept.' % (site, site), expected=True)
+
+ # Successful login
+ if any(re.search(p, response) for p in (
+ r'class=["\']user-signout',
+ r'<a[^>]+\bhref=["\']/sign_out',
+ r'>\s*Log out\s*<')):
+ self._logged_in = True
+ return
+
+ message = get_element_by_class('alert', response)
+ if message is not None:
+ raise ExtractorError(
+ 'Unable to login: %s' % clean_html(message), expected=True)
+
+ raise ExtractorError('Unable to log in')
+
+
+class TeachableIE(TeachableBaseIE):
+ _VALID_URL = r'''(?x)
+ (?:
+ %shttps?://(?P<site_t>[^/]+)|
+ https?://(?:www\.)?(?P<site>%s)
+ )
+ /courses/[^/]+/lectures/(?P<id>\d+)
+ ''' % TeachableBaseIE._VALID_URL_SUB_TUPLE
+
+ _TESTS = [{
+ 'url': 'http://upskillcourses.com/courses/essential-web-developer-course/lectures/1747100',
+ 'info_dict': {
+ 'id': 'uzw6zw58or',
+ 'ext': 'mp4',
+ 'title': 'Welcome to the Course!',
+ 'description': 'md5:65edb0affa582974de4625b9cdea1107',
+ 'duration': 138.763,
+ 'timestamp': 1479846621,
+ 'upload_date': '20161122',
+ },
+ 'params': {
+ 'skip_download': True,
+ },
+ }, {
+ 'url': 'http://upskillcourses.com/courses/119763/lectures/1747100',
+ 'only_matching': True,
+ }, {
+ 'url': 'https://academy.gns3.com/courses/423415/lectures/6885939',
+ 'only_matching': True,
+ }, {
+ 'url': 'teachable:https://upskillcourses.com/courses/essential-web-developer-course/lectures/1747100',
+ 'only_matching': True,
+ }]
+
+ @staticmethod
+ def _is_teachable(webpage):
+ return 'teachableTracker.linker:autoLink' in webpage and re.search(
+ r'<link[^>]+href=["\']https?://process\.fs\.teachablecdn\.com',
+ webpage)
+
+ @staticmethod
+ def _extract_url(webpage, source_url):
+ if not TeachableIE._is_teachable(webpage):
+ print('NOT TEACHABLE')
+ return
+ if re.match(r'https?://[^/]+/(?:courses|p)', source_url):
+ return '%s%s' % (TeachableBaseIE._URL_PREFIX, source_url)
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ site = mobj.group('site') or mobj.group('site_t')
+ video_id = mobj.group('id')
+
+ self._login(site)
+
+ prefixed = url.startswith(self._URL_PREFIX)
+ if prefixed:
+ url = url[len(self._URL_PREFIX):]
+
+ webpage = self._download_webpage(url, video_id)
+
+ wistia_url = WistiaIE._extract_url(webpage)
+ if not wistia_url:
+ if any(re.search(p, webpage) for p in (
+ r'class=["\']lecture-contents-locked',
+ r'>\s*Lecture contents locked',
+ r'id=["\']lecture-locked')):
+ self.raise_login_required('Lecture contents locked')
+
+ title = self._og_search_title(webpage, default=None)
+
+ return {
+ '_type': 'url_transparent',
+ 'url': wistia_url,
+ 'ie_key': WistiaIE.ie_key(),
+ 'title': title,
+ }
+
+
+class TeachableCourseIE(TeachableBaseIE):
+ _VALID_URL = r'''(?x)
+ (?:
+ %shttps?://(?P<site_t>[^/]+)|
+ https?://(?:www\.)?(?P<site>%s)
+ )
+ /(?:courses|p)/(?:enrolled/)?(?P<id>[^/?#&]+)
+ ''' % TeachableBaseIE._VALID_URL_SUB_TUPLE
+ _TESTS = [{
+ 'url': 'http://upskillcourses.com/courses/essential-web-developer-course/',
+ 'info_dict': {
+ 'id': 'essential-web-developer-course',
+ 'title': 'The Essential Web Developer Course (Free)',
+ },
+ 'playlist_count': 192,
+ }, {
+ 'url': 'http://upskillcourses.com/courses/119763/',
+ 'only_matching': True,
+ }, {
+ 'url': 'http://upskillcourses.com/courses/enrolled/119763',
+ 'only_matching': True,
+ }, {
+ 'url': 'https://academy.gns3.com/courses/enrolled/423415',
+ 'only_matching': True,
+ }, {
+ 'url': 'teachable:https://learn.vrdev.school/p/gear-vr-developer-mini',
+ 'only_matching': True,
+ }, {
+ 'url': 'teachable:https://filmsimplified.com/p/davinci-resolve-15-crash-course',
+ 'only_matching': True,
+ }]
+
+ @classmethod
+ def suitable(cls, url):
+ return False if TeachableIE.suitable(url) else super(
+ TeachableCourseIE, cls).suitable(url)
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ site = mobj.group('site') or mobj.group('site_t')
+ course_id = mobj.group('id')
+
+ self._login(site)
+
+ prefixed = url.startswith(self._URL_PREFIX)
+ if prefixed:
+ prefix = self._URL_PREFIX
+ url = url[len(prefix):]
+
+ webpage = self._download_webpage(url, course_id)
+
+ url_base = 'https://%s/' % site
+
+ entries = []
+
+ for mobj in re.finditer(
+ r'(?s)(?P<li><li[^>]+class=(["\'])(?:(?!\2).)*?section-item[^>]+>.+?</li>)',
+ webpage):
+ li = mobj.group('li')
+ if 'fa-youtube-play' not in li:
+ continue
+ lecture_url = self._search_regex(
+ r'<a[^>]+href=(["\'])(?P<url>(?:(?!\1).)+)\1', li,
+ 'lecture url', default=None, group='url')
+ if not lecture_url:
+ continue
+ lecture_id = self._search_regex(
+ r'/lectures/(\d+)', lecture_url, 'lecture id', default=None)
+ title = self._html_search_regex(
+ r'<span[^>]+class=["\']lecture-name[^>]+>([^<]+)', li,
+ 'title', default=None)
+ entry_url = urljoin(url_base, lecture_url)
+ if prefixed:
+ entry_url = self._URL_PREFIX + entry_url
+ entries.append(
+ self.url_result(
+ entry_url,
+ ie=TeachableIE.ie_key(), video_id=lecture_id,
+ video_title=clean_html(title)))
+
+ course_title = self._html_search_regex(
+ (r'(?s)<img[^>]+class=["\']course-image[^>]+>\s*<h\d>(.+?)</h',
+ r'(?s)<h\d[^>]+class=["\']course-title[^>]+>(.+?)</h'),
+ webpage, 'course title', fatal=False)
+
+ return self.playlist_result(entries, course_id, course_title)