Revert "pull changes from remote master (#190)" (#193)

This reverts commit b827ee921f.

youtube_dl/extractor/kaltura.py

@@ -113,14 +113,9 @@ class KalturaIE(InfoExtractor):
 
     @staticmethod
     def _extract_url(webpage):
-        urls = KalturaIE._extract_urls(webpage)
-        return urls[0] if urls else None
-
-    @staticmethod
-    def _extract_urls(webpage):
         # Embed codes: https://knowledge.kaltura.com/embedding-kaltura-media-players-your-site
-        finditer = (
-            re.finditer(
+        mobj = (
+            re.search(
                 r"""(?xs)
                     kWidget\.(?:thumb)?[Ee]mbed\(
                     \{.*?
@@ -129,7 +124,7 @@ class KalturaIE(InfoExtractor):
                         (?P<q3>['"])entry_?[Ii]d(?P=q3)\s*:\s*
                         (?P<q4>['"])(?P<id>(?:(?!(?P=q4)).)+)(?P=q4)(?:,|\s*\})
                 """, webpage)
-            or re.finditer(
+            or re.search(
                 r'''(?xs)
                     (?P<q1>["'])
                         (?:https?:)?//cdnapi(?:sec)?\.kaltura\.com(?::\d+)?/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+)(?:(?!(?P=q1)).)*
@@ -143,7 +138,7 @@ class KalturaIE(InfoExtractor):
                     )
                     (?P<q3>["'])(?P<id>(?:(?!(?P=q3)).)+)(?P=q3)
                 ''', webpage)
-            or re.finditer(
+            or re.search(
                 r'''(?xs)
                     <(?:iframe[^>]+src|meta[^>]+\bcontent)=(?P<q1>["'])
                       (?:https?:)?//(?:(?:www|cdnapi(?:sec)?)\.)?kaltura\.com/(?:(?!(?P=q1)).)*\b(?:p|partner_id)/(?P<partner_id>\d+)
@@ -153,8 +148,7 @@ class KalturaIE(InfoExtractor):
                     (?P=q1)
                 ''', webpage)
         )
-        urls = []
-        for mobj in finditer:
+        if mobj:
             embed_info = mobj.groupdict()
             for k, v in embed_info.items():
                 if v:
@@ -166,8 +160,7 @@ class KalturaIE(InfoExtractor):
                 webpage)
             if service_mobj:
                 url = smuggle_url(url, {'service_url': service_mobj.group('id')})
-            urls.append(url)
-        return urls
+            return url
 
     def _kaltura_api_call(self, video_id, actions, service_url=None, *args, **kwargs):
         params = actions[0]