Merge branch 'zx8-master'

youtube_dl/extractor/__init__.py

@@ -420,6 +420,10 @@ from .rutube import (
 )
 from .rutv import RUTVIE
 from .sandia import SandiaIE
+from .safari import (
+    SafariIE,
+    SafariCourseIE,
+)
 from .sapo import SapoIE
 from .savefrom import SaveFromIE
 from .sbs import SBSIE

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)