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[youtubedl] / youtube_dl / extractor / packtpub.py
1 from __future__ import unicode_literals
2
3 import json
4 import re
5
6 from .common import InfoExtractor
7 from ..compat import (
8 compat_str,
9 compat_HTTPError,
10 )
11 from ..utils import (
12 clean_html,
13 ExtractorError,
14 remove_end,
15 strip_or_none,
16 unified_timestamp,
17 urljoin,
18 )
19
20
21 class PacktPubBaseIE(InfoExtractor):
22 _PACKT_BASE = 'https://www.packtpub.com'
23 _MAPT_REST = '%s/mapt-rest' % _PACKT_BASE
24
25
26 class PacktPubIE(PacktPubBaseIE):
27 _VALID_URL = r'https?://(?:(?:www\.)?packtpub\.com/mapt|subscription\.packtpub\.com)/video/[^/]+/(?P<course_id>\d+)/(?P<chapter_id>\d+)/(?P<id>\d+)'
28
29 _TESTS = [{
30 'url': 'https://www.packtpub.com/mapt/video/web-development/9781787122215/20528/20530/Project+Intro',
31 'md5': '1e74bd6cfd45d7d07666f4684ef58f70',
32 'info_dict': {
33 'id': '20530',
34 'ext': 'mp4',
35 'title': 'Project Intro',
36 'thumbnail': r're:(?i)^https?://.*\.jpg',
37 'timestamp': 1490918400,
38 'upload_date': '20170331',
39 },
40 }, {
41 'url': 'https://subscription.packtpub.com/video/web_development/9781787122215/20528/20530/project-intro',
42 'only_matching': True,
43 }]
44 _NETRC_MACHINE = 'packtpub'
45 _TOKEN = None
46
47 def _real_initialize(self):
48 username, password = self._get_login_info()
49 if username is None:
50 return
51 try:
52 self._TOKEN = self._download_json(
53 self._MAPT_REST + '/users/tokens', None,
54 'Downloading Authorization Token', data=json.dumps({
55 'email': username,
56 'password': password,
57 }).encode())['data']['access']
58 except ExtractorError as e:
59 if isinstance(e.cause, compat_HTTPError) and e.cause.code in (400, 401, 404):
60 message = self._parse_json(e.cause.read().decode(), None)['message']
61 raise ExtractorError(message, expected=True)
62 raise
63
64 def _handle_error(self, response):
65 if response.get('status') != 'success':
66 raise ExtractorError(
67 '% said: %s' % (self.IE_NAME, response['message']),
68 expected=True)
69
70 def _download_json(self, *args, **kwargs):
71 response = super(PacktPubIE, self)._download_json(*args, **kwargs)
72 self._handle_error(response)
73 return response
74
75 def _real_extract(self, url):
76 mobj = re.match(self._VALID_URL, url)
77 course_id, chapter_id, video_id = mobj.group(
78 'course_id', 'chapter_id', 'id')
79
80 headers = {}
81 if self._TOKEN:
82 headers['Authorization'] = 'Bearer ' + self._TOKEN
83 video = self._download_json(
84 '%s/users/me/products/%s/chapters/%s/sections/%s'
85 % (self._MAPT_REST, course_id, chapter_id, video_id), video_id,
86 'Downloading JSON video', headers=headers)['data']
87
88 content = video.get('content')
89 if not content:
90 self.raise_login_required('This video is locked')
91
92 video_url = content['file']
93
94 metadata = self._download_json(
95 '%s/products/%s/chapters/%s/sections/%s/metadata'
96 % (self._MAPT_REST, course_id, chapter_id, video_id),
97 video_id)['data']
98
99 title = metadata['pageTitle']
100 course_title = metadata.get('title')
101 if course_title:
102 title = remove_end(title, ' - %s' % course_title)
103 timestamp = unified_timestamp(metadata.get('publicationDate'))
104 thumbnail = urljoin(self._PACKT_BASE, metadata.get('filepath'))
105
106 return {
107 'id': video_id,
108 'url': video_url,
109 'title': title,
110 'thumbnail': thumbnail,
111 'timestamp': timestamp,
112 }
113
114
115 class PacktPubCourseIE(PacktPubBaseIE):
116 _VALID_URL = r'(?P<url>https?://(?:(?:www\.)?packtpub\.com/mapt|subscription\.packtpub\.com)/video/[^/]+/(?P<id>\d+))'
117 _TESTS = [{
118 'url': 'https://www.packtpub.com/mapt/video/web-development/9781787122215',
119 'info_dict': {
120 'id': '9781787122215',
121 'title': 'Learn Nodejs by building 12 projects [Video]',
122 },
123 'playlist_count': 90,
124 }, {
125 'url': 'https://subscription.packtpub.com/video/web_development/9781787122215',
126 'only_matching': True,
127 }]
128
129 @classmethod
130 def suitable(cls, url):
131 return False if PacktPubIE.suitable(url) else super(
132 PacktPubCourseIE, cls).suitable(url)
133
134 def _real_extract(self, url):
135 mobj = re.match(self._VALID_URL, url)
136 url, course_id = mobj.group('url', 'id')
137
138 course = self._download_json(
139 '%s/products/%s/metadata' % (self._MAPT_REST, course_id),
140 course_id)['data']
141
142 entries = []
143 for chapter_num, chapter in enumerate(course['tableOfContents'], 1):
144 if chapter.get('type') != 'chapter':
145 continue
146 children = chapter.get('children')
147 if not isinstance(children, list):
148 continue
149 chapter_info = {
150 'chapter': chapter.get('title'),
151 'chapter_number': chapter_num,
152 'chapter_id': chapter.get('id'),
153 }
154 for section in children:
155 if section.get('type') != 'section':
156 continue
157 section_url = section.get('seoUrl')
158 if not isinstance(section_url, compat_str):
159 continue
160 entry = {
161 '_type': 'url_transparent',
162 'url': urljoin(url + '/', section_url),
163 'title': strip_or_none(section.get('title')),
164 'description': clean_html(section.get('summary')),
165 'ie_key': PacktPubIE.ie_key(),
166 }
167 entry.update(chapter_info)
168 entries.append(entry)
169
170 return self.playlist_result(entries, course_id, course.get('title'))