[safari] Add support for new URL schema (closes #16614)

youtube_dl/extractor/safari.py

@@ -74,7 +74,14 @@ class SafariBaseIE(InfoExtractor):
 class SafariIE(SafariBaseIE):
     IE_NAME = 'safari'
     IE_DESC = 'safaribooksonline.com online video'
-    _VALID_URL = r'https?://(?:www\.)?safaribooksonline\.com/library/view/[^/]+/(?P<course_id>[^/]+)/(?P<part>[^/?#&]+)\.html'
+    _VALID_URL = r'''(?x)
+                        https?://
+                            (?:www\.)?safaribooksonline\.com/
+                            (?:
+                                library/view/[^/]+/(?P<course_id>[^/]+)/(?P<part>[^/?\#&]+)\.html|
+                                videos/[^/]+/[^/]+/(?P<reference_id>[^-]+-[^/?\#&]+)
+                            )
+                    '''
 
     _TESTS = [{
         'url': 'https://www.safaribooksonline.com/library/view/hadoop-fundamentals-livelessons/9780133392838/part00.html',
@@ -94,22 +101,41 @@ class SafariIE(SafariBaseIE):
     }, {
         'url': 'https://www.safaribooksonline.com/library/view/learning-path-red/9780134664057/RHCE_Introduction.html',
         'only_matching': True,
+    }, {
+        'url': 'https://www.safaribooksonline.com/videos/python-programming-language/9780134217314/9780134217314-PYMC_13_00',
+        'only_matching': True,
     }]
 
+    _PARTNER_ID = '1926081'
+    _UICONF_ID = '29375172'
+
     def _real_extract(self, url):
         mobj = re.match(self._VALID_URL, url)
-        video_id = '%s/%s' % (mobj.group('course_id'), mobj.group('part'))
 
-        webpage = self._download_webpage(url, video_id)
+        reference_id = mobj.group('reference_id')
+        if reference_id:
+            video_id = reference_id
+            partner_id = self._PARTNER_ID
+            ui_id = self._UICONF_ID
+        else:
+            video_id = '%s-%s' % (mobj.group('course_id'), mobj.group('part'))
+
+            webpage, urlh = self._download_webpage_handle(url, video_id)
+
+            mobj = re.match(self._VALID_URL, urlh.geturl())
+            reference_id = mobj.group('reference_id')
+            if not reference_id:
                 reference_id = self._search_regex(
                     r'data-reference-id=(["\'])(?P<id>(?:(?!\1).)+)\1',
                     webpage, 'kaltura reference id', group='id')
             partner_id = self._search_regex(
                 r'data-partner-id=(["\'])(?P<id>(?:(?!\1).)+)\1',
-            webpage, 'kaltura widget id', group='id')
+                webpage, 'kaltura widget id', default=self._PARTNER_ID,
+                group='id')
             ui_id = self._search_regex(
                 r'data-ui-id=(["\'])(?P<id>(?:(?!\1).)+)\1',
-            webpage, 'kaltura uiconf id', group='id')
+                webpage, 'kaltura uiconf id', default=self._UICONF_ID,
+                group='id')
 
         query = {
             'wid': '_%s' % partner_id,
@@ -159,10 +185,15 @@ class SafariCourseIE(SafariBaseIE):
     _VALID_URL = r'''(?x)
                     https?://
                         (?:
-                            (?:www\.)?safaribooksonline\.com/(?:library/view/[^/]+|api/v1/book)|
+                            (?:www\.)?safaribooksonline\.com/
+                            (?:
+                                library/view/[^/]+|
+                                api/v1/book|
+                                videos/[^/]+
+                            )|
                             techbus\.safaribooksonline\.com
                         )
-                        /(?P<id>[^/]+)/?(?:[#?]|$)
+                        /(?P<id>[^/]+)
                     '''
 
     _TESTS = [{
@@ -179,8 +210,16 @@ class SafariCourseIE(SafariBaseIE):
     }, {
         'url': 'http://techbus.safaribooksonline.com/9780134426365',
         'only_matching': True,
+    }, {
+        'url': 'https://www.safaribooksonline.com/videos/python-programming-language/9780134217314',
+        'only_matching': True,
     }]
 
+    @classmethod
+    def suitable(cls, url):
+        return (False if SafariIE.suitable(url) or SafariApiIE.suitable(url)
+                else super(SafariCourseIE, cls).suitable(url))
+
     def _real_extract(self, url):
         course_id = self._match_id(url)