]> Raphaƫl G. Git Repositories - youtubedl/blob - youtube_dl/extractor/teachable.py
d/p/skip-style-checks-for-flake8: Add metadata to please lintian.
[youtubedl] / youtube_dl / extractor / teachable.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from .wistia import WistiaIE
7 from ..compat import compat_str
8 from ..utils import (
9 clean_html,
10 ExtractorError,
11 get_element_by_class,
12 urlencode_postdata,
13 urljoin,
14 )
15
16
17 class TeachableBaseIE(InfoExtractor):
18 _NETRC_MACHINE = 'teachable'
19 _URL_PREFIX = 'teachable:'
20
21 _SITES = {
22 # Only notable ones here
23 'upskillcourses.com': 'upskill',
24 'academy.gns3.com': 'gns3',
25 'academyhacker.com': 'academyhacker',
26 'stackskills.com': 'stackskills',
27 'market.saleshacker.com': 'saleshacker',
28 'learnability.org': 'learnability',
29 'edurila.com': 'edurila',
30 'courses.workitdaily.com': 'workitdaily',
31 }
32
33 _VALID_URL_SUB_TUPLE = (_URL_PREFIX, '|'.join(re.escape(site) for site in _SITES.keys()))
34
35 def _real_initialize(self):
36 self._logged_in = False
37
38 def _login(self, site):
39 if self._logged_in:
40 return
41
42 username, password = self._get_login_info(
43 netrc_machine=self._SITES.get(site, site))
44 if username is None:
45 return
46
47 login_page, urlh = self._download_webpage_handle(
48 'https://%s/sign_in' % site, None,
49 'Downloading %s login page' % site)
50
51 def is_logged(webpage):
52 return any(re.search(p, webpage) for p in (
53 r'class=["\']user-signout',
54 r'<a[^>]+\bhref=["\']/sign_out',
55 r'Log\s+[Oo]ut\s*<'))
56
57 if is_logged(login_page):
58 self._logged_in = True
59 return
60
61 login_url = compat_str(urlh.geturl())
62
63 login_form = self._hidden_inputs(login_page)
64
65 login_form.update({
66 'user[email]': username,
67 'user[password]': password,
68 })
69
70 post_url = self._search_regex(
71 r'<form[^>]+action=(["\'])(?P<url>(?:(?!\1).)+)\1', login_page,
72 'post url', default=login_url, group='url')
73
74 if not post_url.startswith('http'):
75 post_url = urljoin(login_url, post_url)
76
77 response = self._download_webpage(
78 post_url, None, 'Logging in to %s' % site,
79 data=urlencode_postdata(login_form),
80 headers={
81 'Content-Type': 'application/x-www-form-urlencoded',
82 'Referer': login_url,
83 })
84
85 if '>I accept the new Privacy Policy<' in response:
86 raise ExtractorError(
87 'Unable to login: %s asks you to accept new Privacy Policy. '
88 'Go to https://%s/ and accept.' % (site, site), expected=True)
89
90 # Successful login
91 if is_logged(response):
92 self._logged_in = True
93 return
94
95 message = get_element_by_class('alert', response)
96 if message is not None:
97 raise ExtractorError(
98 'Unable to login: %s' % clean_html(message), expected=True)
99
100 raise ExtractorError('Unable to log in')
101
102
103 class TeachableIE(TeachableBaseIE):
104 _VALID_URL = r'''(?x)
105 (?:
106 %shttps?://(?P<site_t>[^/]+)|
107 https?://(?:www\.)?(?P<site>%s)
108 )
109 /courses/[^/]+/lectures/(?P<id>\d+)
110 ''' % TeachableBaseIE._VALID_URL_SUB_TUPLE
111
112 _TESTS = [{
113 'url': 'http://upskillcourses.com/courses/essential-web-developer-course/lectures/1747100',
114 'info_dict': {
115 'id': 'uzw6zw58or',
116 'ext': 'mp4',
117 'title': 'Welcome to the Course!',
118 'description': 'md5:65edb0affa582974de4625b9cdea1107',
119 'duration': 138.763,
120 'timestamp': 1479846621,
121 'upload_date': '20161122',
122 },
123 'params': {
124 'skip_download': True,
125 },
126 }, {
127 'url': 'http://upskillcourses.com/courses/119763/lectures/1747100',
128 'only_matching': True,
129 }, {
130 'url': 'https://academy.gns3.com/courses/423415/lectures/6885939',
131 'only_matching': True,
132 }, {
133 'url': 'teachable:https://upskillcourses.com/courses/essential-web-developer-course/lectures/1747100',
134 'only_matching': True,
135 }]
136
137 @staticmethod
138 def _is_teachable(webpage):
139 return 'teachableTracker.linker:autoLink' in webpage and re.search(
140 r'<link[^>]+href=["\']https?://process\.fs\.teachablecdn\.com',
141 webpage)
142
143 @staticmethod
144 def _extract_url(webpage, source_url):
145 if not TeachableIE._is_teachable(webpage):
146 return
147 if re.match(r'https?://[^/]+/(?:courses|p)', source_url):
148 return '%s%s' % (TeachableBaseIE._URL_PREFIX, source_url)
149
150 def _real_extract(self, url):
151 mobj = re.match(self._VALID_URL, url)
152 site = mobj.group('site') or mobj.group('site_t')
153 video_id = mobj.group('id')
154
155 self._login(site)
156
157 prefixed = url.startswith(self._URL_PREFIX)
158 if prefixed:
159 url = url[len(self._URL_PREFIX):]
160
161 webpage = self._download_webpage(url, video_id)
162
163 wistia_url = WistiaIE._extract_url(webpage)
164 if not wistia_url:
165 if any(re.search(p, webpage) for p in (
166 r'class=["\']lecture-contents-locked',
167 r'>\s*Lecture contents locked',
168 r'id=["\']lecture-locked',
169 # https://academy.tailoredtutors.co.uk/courses/108779/lectures/1955313
170 r'class=["\'](?:inner-)?lesson-locked',
171 r'>LESSON LOCKED<')):
172 self.raise_login_required('Lecture contents locked')
173 raise ExtractorError('Unable to find video URL')
174
175 title = self._og_search_title(webpage, default=None)
176
177 return {
178 '_type': 'url_transparent',
179 'url': wistia_url,
180 'ie_key': WistiaIE.ie_key(),
181 'title': title,
182 }
183
184
185 class TeachableCourseIE(TeachableBaseIE):
186 _VALID_URL = r'''(?x)
187 (?:
188 %shttps?://(?P<site_t>[^/]+)|
189 https?://(?:www\.)?(?P<site>%s)
190 )
191 /(?:courses|p)/(?:enrolled/)?(?P<id>[^/?#&]+)
192 ''' % TeachableBaseIE._VALID_URL_SUB_TUPLE
193 _TESTS = [{
194 'url': 'http://upskillcourses.com/courses/essential-web-developer-course/',
195 'info_dict': {
196 'id': 'essential-web-developer-course',
197 'title': 'The Essential Web Developer Course (Free)',
198 },
199 'playlist_count': 192,
200 }, {
201 'url': 'http://upskillcourses.com/courses/119763/',
202 'only_matching': True,
203 }, {
204 'url': 'http://upskillcourses.com/courses/enrolled/119763',
205 'only_matching': True,
206 }, {
207 'url': 'https://academy.gns3.com/courses/enrolled/423415',
208 'only_matching': True,
209 }, {
210 'url': 'teachable:https://learn.vrdev.school/p/gear-vr-developer-mini',
211 'only_matching': True,
212 }, {
213 'url': 'teachable:https://filmsimplified.com/p/davinci-resolve-15-crash-course',
214 'only_matching': True,
215 }]
216
217 @classmethod
218 def suitable(cls, url):
219 return False if TeachableIE.suitable(url) else super(
220 TeachableCourseIE, cls).suitable(url)
221
222 def _real_extract(self, url):
223 mobj = re.match(self._VALID_URL, url)
224 site = mobj.group('site') or mobj.group('site_t')
225 course_id = mobj.group('id')
226
227 self._login(site)
228
229 prefixed = url.startswith(self._URL_PREFIX)
230 if prefixed:
231 prefix = self._URL_PREFIX
232 url = url[len(prefix):]
233
234 webpage = self._download_webpage(url, course_id)
235
236 url_base = 'https://%s/' % site
237
238 entries = []
239
240 for mobj in re.finditer(
241 r'(?s)(?P<li><li[^>]+class=(["\'])(?:(?!\2).)*?section-item[^>]+>.+?</li>)',
242 webpage):
243 li = mobj.group('li')
244 if 'fa-youtube-play' not in li:
245 continue
246 lecture_url = self._search_regex(
247 r'<a[^>]+href=(["\'])(?P<url>(?:(?!\1).)+)\1', li,
248 'lecture url', default=None, group='url')
249 if not lecture_url:
250 continue
251 lecture_id = self._search_regex(
252 r'/lectures/(\d+)', lecture_url, 'lecture id', default=None)
253 title = self._html_search_regex(
254 r'<span[^>]+class=["\']lecture-name[^>]+>([^<]+)', li,
255 'title', default=None)
256 entry_url = urljoin(url_base, lecture_url)
257 if prefixed:
258 entry_url = self._URL_PREFIX + entry_url
259 entries.append(
260 self.url_result(
261 entry_url,
262 ie=TeachableIE.ie_key(), video_id=lecture_id,
263 video_title=clean_html(title)))
264
265 course_title = self._html_search_regex(
266 (r'(?s)<img[^>]+class=["\']course-image[^>]+>\s*<h\d>(.+?)</h',
267 r'(?s)<h\d[^>]+class=["\']course-title[^>]+>(.+?)</h'),
268 webpage, 'course title', fatal=False)
269
270 return self.playlist_result(entries, course_id, course_title)