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-rw-r--r--youtube_dl/extractor/safari.py157
1 files changed, 157 insertions, 0 deletions
diff --git a/youtube_dl/extractor/safari.py b/youtube_dl/extractor/safari.py
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+++ b/youtube_dl/extractor/safari.py
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+# encoding: utf-8
+from __future__ import unicode_literals
+
+import re
+
+from .common import InfoExtractor
+from .brightcove import BrightcoveIE
+
+from ..compat import (
+ compat_urllib_parse,
+ compat_urllib_request,
+)
+from ..utils import (
+ ExtractorError,
+ smuggle_url,
+ std_headers,
+)
+
+
+class SafariBaseIE(InfoExtractor):
+ _LOGIN_URL = 'https://www.safaribooksonline.com/accounts/login/'
+ _SUCCESSFUL_LOGIN_REGEX = r'<a href="/accounts/logout/"[^>]*>Sign Out</a>'
+ _ACCOUNT_CREDENTIALS_HINT = 'Use --username and --password options to supply credentials for safaribooksonline.com'
+ _NETRC_MACHINE = 'safari'
+
+ _API_BASE = 'https://www.safaribooksonline.com/api/v1/book'
+ _API_FORMAT = 'json'
+
+ LOGGED_IN = False
+
+ def _real_initialize(self):
+ # We only need to log in once for courses or individual videos
+ if not self.LOGGED_IN:
+ self._login()
+ SafariBaseIE.LOGGED_IN = True
+
+ def _login(self):
+ (username, password) = self._get_login_info()
+ if username is None:
+ raise ExtractorError(
+ self._ACCOUNT_CREDENTIALS_HINT,
+ expected=True)
+
+ headers = std_headers
+ if 'Referer' not in headers:
+ headers['Referer'] = self._LOGIN_URL
+
+ login_page = self._download_webpage(
+ self._LOGIN_URL, None,
+ 'Downloading login form')
+
+ csrf = self._html_search_regex(
+ r"name='csrfmiddlewaretoken'\s+value='([^']+)'",
+ login_page, 'csrf token')
+
+ login_form = {
+ 'csrfmiddlewaretoken': csrf,
+ 'email': username,
+ 'password1': password,
+ 'login': 'Sign In',
+ 'next': '',
+ }
+
+ request = compat_urllib_request.Request(
+ self._LOGIN_URL, compat_urllib_parse.urlencode(login_form), headers=headers)
+ login_page = self._download_webpage(
+ request, None, 'Logging in as %s' % username)
+
+ if re.search(self._SUCCESSFUL_LOGIN_REGEX, login_page) is None:
+ raise ExtractorError(
+ 'Login failed; make sure your credentials are correct and try again.',
+ expected=True)
+
+ self.to_screen('Login successful')
+
+
+class SafariIE(SafariBaseIE):
+ IE_NAME = 'safari'
+ IE_DESC = 'safaribooksonline.com online video'
+ _VALID_URL = r'''(?x)https?://
+ (?:www\.)?safaribooksonline\.com/
+ (?:
+ library/view/[^/]+|
+ api/v1/book
+ )/
+ (?P<course_id>\d+)/
+ (?:chapter(?:-content)?/)?
+ (?P<part>part\d+)\.html
+ '''
+
+ _TESTS = [{
+ 'url': 'https://www.safaribooksonline.com/library/view/hadoop-fundamentals-livelessons/9780133392838/part00.html',
+ 'md5': '5b0c4cc1b3c1ba15dda7344085aa5592',
+ 'info_dict': {
+ 'id': '2842601850001',
+ 'ext': 'mp4',
+ 'title': 'Introduction',
+ },
+ 'skip': 'Requires safaribooksonline account credentials',
+ }, {
+ 'url': 'https://www.safaribooksonline.com/api/v1/book/9780133392838/chapter/part00.html',
+ 'only_matching': True,
+ }]
+
+ def _real_extract(self, url):
+ mobj = re.match(self._VALID_URL, url)
+ course_id = mobj.group('course_id')
+ part = mobj.group('part')
+
+ webpage = self._download_webpage(
+ '%s/%s/chapter-content/%s.html' % (self._API_BASE, course_id, part),
+ part)
+
+ bc_url = BrightcoveIE._extract_brightcove_url(webpage)
+ if not bc_url:
+ raise ExtractorError('Could not extract Brightcove URL from %s' % url, expected=True)
+
+ return self.url_result(smuggle_url(bc_url, {'Referer': url}), 'Brightcove')
+
+
+class SafariCourseIE(SafariBaseIE):
+ IE_NAME = 'safari:course'
+ IE_DESC = 'safaribooksonline.com online courses'
+
+ _VALID_URL = r'https?://(?:www\.)?safaribooksonline\.com/(?:library/view/[^/]+|api/v1/book)/(?P<id>\d+)/?(?:[#?]|$)'
+
+ _TESTS = [{
+ 'url': 'https://www.safaribooksonline.com/library/view/hadoop-fundamentals-livelessons/9780133392838/',
+ 'info_dict': {
+ 'id': '9780133392838',
+ 'title': 'Hadoop Fundamentals LiveLessons',
+ },
+ 'playlist_count': 22,
+ 'skip': 'Requires safaribooksonline account credentials',
+ }, {
+ 'url': 'https://www.safaribooksonline.com/api/v1/book/9781449396459/?override_format=json',
+ 'only_matching': True,
+ }]
+
+ def _real_extract(self, url):
+ course_id = self._match_id(url)
+
+ course_json = self._download_json(
+ '%s/%s/?override_format=%s' % (self._API_BASE, course_id, self._API_FORMAT),
+ course_id, 'Downloading course JSON')
+
+ if 'chapters' not in course_json:
+ raise ExtractorError(
+ 'No chapters found for course %s' % course_id, expected=True)
+
+ entries = [
+ self.url_result(chapter, 'Safari')
+ for chapter in course_json['chapters']]
+
+ course_title = course_json['title']
+
+ return self.playlist_result(entries, course_id, course_title)