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[youtubedl] / youtube_dl / extractor / raywenderlich.py
1 from __future__ import unicode_literals
2
3 import re
4
5 from .common import InfoExtractor
6 from .vimeo import VimeoIE
7 from ..compat import compat_str
8 from ..utils import (
9 ExtractorError,
10 int_or_none,
11 merge_dicts,
12 try_get,
13 unescapeHTML,
14 unified_timestamp,
15 urljoin,
16 )
17
18
19 class RayWenderlichIE(InfoExtractor):
20 _VALID_URL = r'''(?x)
21 https?://
22 (?:
23 videos\.raywenderlich\.com/courses|
24 (?:www\.)?raywenderlich\.com
25 )/
26 (?P<course_id>[^/]+)/lessons/(?P<id>\d+)
27 '''
28
29 _TESTS = [{
30 'url': 'https://www.raywenderlich.com/3530-testing-in-ios/lessons/1',
31 'info_dict': {
32 'id': '248377018',
33 'ext': 'mp4',
34 'title': 'Introduction',
35 'description': 'md5:804d031b3efa9fcb49777d512d74f722',
36 'timestamp': 1513906277,
37 'upload_date': '20171222',
38 'duration': 133,
39 'uploader': 'Ray Wenderlich',
40 'uploader_id': 'user3304672',
41 },
42 'params': {
43 'noplaylist': True,
44 'skip_download': True,
45 },
46 'add_ie': [VimeoIE.ie_key()],
47 'expected_warnings': ['HTTP Error 403: Forbidden'],
48 }, {
49 'url': 'https://videos.raywenderlich.com/courses/105-testing-in-ios/lessons/1',
50 'only_matching': True,
51 }]
52
53 @staticmethod
54 def _extract_video_id(data, lesson_id):
55 if not data:
56 return
57 groups = try_get(data, lambda x: x['groups'], list) or []
58 if not groups:
59 return
60 for group in groups:
61 if not isinstance(group, dict):
62 continue
63 contents = try_get(data, lambda x: x['contents'], list) or []
64 for content in contents:
65 if not isinstance(content, dict):
66 continue
67 ordinal = int_or_none(content.get('ordinal'))
68 if ordinal != lesson_id:
69 continue
70 video_id = content.get('identifier')
71 if video_id:
72 return compat_str(video_id)
73
74 def _real_extract(self, url):
75 mobj = re.match(self._VALID_URL, url)
76 course_id, lesson_id = mobj.group('course_id', 'id')
77 display_id = '%s/%s' % (course_id, lesson_id)
78
79 webpage = self._download_webpage(url, display_id)
80
81 thumbnail = self._og_search_thumbnail(
82 webpage, default=None) or self._html_search_meta(
83 'twitter:image', webpage, 'thumbnail')
84
85 if '>Subscribe to unlock' in webpage:
86 raise ExtractorError(
87 'This content is only available for subscribers',
88 expected=True)
89
90 info = {
91 'thumbnail': thumbnail,
92 }
93
94 vimeo_id = self._search_regex(
95 r'data-vimeo-id=["\'](\d+)', webpage, 'vimeo id', default=None)
96
97 if not vimeo_id:
98 data = self._parse_json(
99 self._search_regex(
100 r'data-collection=(["\'])(?P<data>{.+?})\1', webpage,
101 'data collection', default='{}', group='data'),
102 display_id, transform_source=unescapeHTML, fatal=False)
103 video_id = self._extract_video_id(
104 data, lesson_id) or self._search_regex(
105 r'/videos/(\d+)/', thumbnail, 'video id')
106 headers = {
107 'Referer': url,
108 'X-Requested-With': 'XMLHttpRequest',
109 }
110 csrf_token = self._html_search_meta(
111 'csrf-token', webpage, 'csrf token', default=None)
112 if csrf_token:
113 headers['X-CSRF-Token'] = csrf_token
114 video = self._download_json(
115 'https://videos.raywenderlich.com/api/v1/videos/%s.json'
116 % video_id, display_id, headers=headers)['video']
117 vimeo_id = video['clips'][0]['provider_id']
118 info.update({
119 '_type': 'url_transparent',
120 'title': video.get('name'),
121 'description': video.get('description') or video.get(
122 'meta_description'),
123 'duration': int_or_none(video.get('duration')),
124 'timestamp': unified_timestamp(video.get('created_at')),
125 })
126
127 return merge_dicts(info, self.url_result(
128 VimeoIE._smuggle_referrer(
129 'https://player.vimeo.com/video/%s' % vimeo_id, url),
130 ie=VimeoIE.ie_key(), video_id=vimeo_id))
131
132
133 class RayWenderlichCourseIE(InfoExtractor):
134 _VALID_URL = r'''(?x)
135 https?://
136 (?:
137 videos\.raywenderlich\.com/courses|
138 (?:www\.)?raywenderlich\.com
139 )/
140 (?P<id>[^/]+)
141 '''
142
143 _TEST = {
144 'url': 'https://www.raywenderlich.com/3530-testing-in-ios',
145 'info_dict': {
146 'title': 'Testing in iOS',
147 'id': '3530-testing-in-ios',
148 },
149 'params': {
150 'noplaylist': False,
151 },
152 'playlist_count': 29,
153 }
154
155 @classmethod
156 def suitable(cls, url):
157 return False if RayWenderlichIE.suitable(url) else super(
158 RayWenderlichCourseIE, cls).suitable(url)
159
160 def _real_extract(self, url):
161 course_id = self._match_id(url)
162
163 webpage = self._download_webpage(url, course_id)
164
165 entries = []
166 lesson_urls = set()
167 for lesson_url in re.findall(
168 r'<a[^>]+\bhref=["\'](/%s/lessons/\d+)' % course_id, webpage):
169 if lesson_url in lesson_urls:
170 continue
171 lesson_urls.add(lesson_url)
172 entries.append(self.url_result(
173 urljoin(url, lesson_url), ie=RayWenderlichIE.ie_key()))
174
175 title = self._og_search_title(
176 webpage, default=None) or self._html_search_meta(
177 'twitter:title', webpage, 'title', default=None)
178
179 return self.playlist_result(entries, course_id, title)