diff options
Diffstat (limited to 'youtube_dl/extractor/safari.py')
-rw-r--r-- | youtube_dl/extractor/safari.py | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/youtube_dl/extractor/safari.py b/youtube_dl/extractor/safari.py new file mode 100644 index 000000000..10251f29e --- /dev/null +++ b/youtube_dl/extractor/safari.py @@ -0,0 +1,157 @@ +# 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) |