]> git.bitcoin.ninja Git - youtube-dl/blob - youtube_dl/extractor/platzi.py
[motherless] Fix extraction (closes #24699)
[youtube-dl] / youtube_dl / extractor / platzi.py
1 # coding: utf-8
2 from __future__ import unicode_literals
3
4 from .common import InfoExtractor
5 from ..compat import (
6     compat_b64decode,
7     compat_str,
8 )
9 from ..utils import (
10     clean_html,
11     ExtractorError,
12     int_or_none,
13     str_or_none,
14     try_get,
15     url_or_none,
16     urlencode_postdata,
17     urljoin,
18 )
19
20
21 class PlatziBaseIE(InfoExtractor):
22     _LOGIN_URL = 'https://platzi.com/login/'
23     _NETRC_MACHINE = 'platzi'
24
25     def _real_initialize(self):
26         self._login()
27
28     def _login(self):
29         username, password = self._get_login_info()
30         if username is None:
31             return
32
33         login_page = self._download_webpage(
34             self._LOGIN_URL, None, 'Downloading login page')
35
36         login_form = self._hidden_inputs(login_page)
37
38         login_form.update({
39             'email': username,
40             'password': password,
41         })
42
43         urlh = self._request_webpage(
44             self._LOGIN_URL, None, 'Logging in',
45             data=urlencode_postdata(login_form),
46             headers={'Referer': self._LOGIN_URL})
47
48         # login succeeded
49         if 'platzi.com/login' not in urlh.geturl():
50             return
51
52         login_error = self._webpage_read_content(
53             urlh, self._LOGIN_URL, None, 'Downloading login error page')
54
55         login = self._parse_json(
56             self._search_regex(
57                 r'login\s*=\s*({.+?})(?:\s*;|\s*</script)', login_error, 'login'),
58             None)
59
60         for kind in ('error', 'password', 'nonFields'):
61             error = str_or_none(login.get('%sError' % kind))
62             if error:
63                 raise ExtractorError(
64                     'Unable to login: %s' % error, expected=True)
65         raise ExtractorError('Unable to log in')
66
67
68 class PlatziIE(PlatziBaseIE):
69     _VALID_URL = r'''(?x)
70                     https?://
71                         (?:
72                             platzi\.com/clases|           # es version
73                             courses\.platzi\.com/classes  # en version
74                         )/[^/]+/(?P<id>\d+)-[^/?\#&]+
75                     '''
76
77     _TESTS = [{
78         'url': 'https://platzi.com/clases/1311-next-js/12074-creando-nuestra-primera-pagina/',
79         'md5': '8f56448241005b561c10f11a595b37e3',
80         'info_dict': {
81             'id': '12074',
82             'ext': 'mp4',
83             'title': 'Creando nuestra primera página',
84             'description': 'md5:4c866e45034fc76412fbf6e60ae008bc',
85             'duration': 420,
86         },
87         'skip': 'Requires platzi account credentials',
88     }, {
89         'url': 'https://courses.platzi.com/classes/1367-communication-codestream/13430-background/',
90         'info_dict': {
91             'id': '13430',
92             'ext': 'mp4',
93             'title': 'Background',
94             'description': 'md5:49c83c09404b15e6e71defaf87f6b305',
95             'duration': 360,
96         },
97         'skip': 'Requires platzi account credentials',
98         'params': {
99             'skip_download': True,
100         },
101     }]
102
103     def _real_extract(self, url):
104         lecture_id = self._match_id(url)
105
106         webpage = self._download_webpage(url, lecture_id)
107
108         data = self._parse_json(
109             self._search_regex(
110                 # client_data may contain "};" so that we have to try more
111                 # strict regex first
112                 (r'client_data\s*=\s*({.+?})\s*;\s*\n',
113                  r'client_data\s*=\s*({.+?})\s*;'),
114                 webpage, 'client data'),
115             lecture_id)
116
117         material = data['initialState']['material']
118         desc = material['description']
119         title = desc['title']
120
121         formats = []
122         for server_id, server in material['videos'].items():
123             if not isinstance(server, dict):
124                 continue
125             for format_id in ('hls', 'dash'):
126                 format_url = url_or_none(server.get(format_id))
127                 if not format_url:
128                     continue
129                 if format_id == 'hls':
130                     formats.extend(self._extract_m3u8_formats(
131                         format_url, lecture_id, 'mp4',
132                         entry_protocol='m3u8_native', m3u8_id=format_id,
133                         note='Downloading %s m3u8 information' % server_id,
134                         fatal=False))
135                 elif format_id == 'dash':
136                     formats.extend(self._extract_mpd_formats(
137                         format_url, lecture_id, mpd_id=format_id,
138                         note='Downloading %s MPD manifest' % server_id,
139                         fatal=False))
140         self._sort_formats(formats)
141
142         content = str_or_none(desc.get('content'))
143         description = (clean_html(compat_b64decode(content).decode('utf-8'))
144                        if content else None)
145         duration = int_or_none(material.get('duration'), invscale=60)
146
147         return {
148             'id': lecture_id,
149             'title': title,
150             'description': description,
151             'duration': duration,
152             'formats': formats,
153         }
154
155
156 class PlatziCourseIE(PlatziBaseIE):
157     _VALID_URL = r'''(?x)
158                     https?://
159                         (?:
160                             platzi\.com/clases|           # es version
161                             courses\.platzi\.com/classes  # en version
162                         )/(?P<id>[^/?\#&]+)
163                     '''
164     _TESTS = [{
165         'url': 'https://platzi.com/clases/next-js/',
166         'info_dict': {
167             'id': '1311',
168             'title': 'Curso de Next.js',
169         },
170         'playlist_count': 22,
171     }, {
172         'url': 'https://courses.platzi.com/classes/communication-codestream/',
173         'info_dict': {
174             'id': '1367',
175             'title': 'Codestream Course',
176         },
177         'playlist_count': 14,
178     }]
179
180     @classmethod
181     def suitable(cls, url):
182         return False if PlatziIE.suitable(url) else super(PlatziCourseIE, cls).suitable(url)
183
184     def _real_extract(self, url):
185         course_name = self._match_id(url)
186
187         webpage = self._download_webpage(url, course_name)
188
189         props = self._parse_json(
190             self._search_regex(r'data\s*=\s*({.+?})\s*;', webpage, 'data'),
191             course_name)['initialProps']
192
193         entries = []
194         for chapter_num, chapter in enumerate(props['concepts'], 1):
195             if not isinstance(chapter, dict):
196                 continue
197             materials = chapter.get('materials')
198             if not materials or not isinstance(materials, list):
199                 continue
200             chapter_title = chapter.get('title')
201             chapter_id = str_or_none(chapter.get('id'))
202             for material in materials:
203                 if not isinstance(material, dict):
204                     continue
205                 if material.get('material_type') != 'video':
206                     continue
207                 video_url = urljoin(url, material.get('url'))
208                 if not video_url:
209                     continue
210                 entries.append({
211                     '_type': 'url_transparent',
212                     'url': video_url,
213                     'title': str_or_none(material.get('name')),
214                     'id': str_or_none(material.get('id')),
215                     'ie_key': PlatziIE.ie_key(),
216                     'chapter': chapter_title,
217                     'chapter_number': chapter_num,
218                     'chapter_id': chapter_id,
219                 })
220
221         course_id = compat_str(try_get(props, lambda x: x['course']['id']))
222         course_title = try_get(props, lambda x: x['course']['name'], compat_str)
223
224         return self.playlist_result(entries, course_id, course_title)