Plugin cleanup and tweaks

plugins/youtube_download/yt_dlp/extractor/blogger.py

@@ -1,8 +1,3 @@
-# coding: utf-8
-from __future__ import unicode_literals
-
-import re
-
 from ..utils import (
     mimetype2ext,
     parse_duration,
@@ -16,7 +11,7 @@ from .common import InfoExtractor
 class BloggerIE(InfoExtractor):
     IE_NAME = 'blogger.com'
     _VALID_URL = r'https?://(?:www\.)?blogger\.com/video\.g\?token=(?P<id>.+)'
-    _VALID_EMBED = r'''<iframe[^>]+src=["']((?:https?:)?//(?:www\.)?blogger\.com/video\.g\?token=[^"']+)["']'''
+    _EMBED_REGEX = [r'''<iframe[^>]+src=["'](?P<url>(?:https?:)?//(?:www\.)?blogger\.com/video\.g\?token=[^"']+)["']''']
     _TESTS = [{
         'url': 'https://www.blogger.com/video.g?token=AD6v5dzEe9hfcARr5Hlq1WTkYy6t-fXH3BBahVhGvVHe5szdEUBEloSEDSTA8-b111089KbfWuBvTN7fnbxMtymsHhXAXwVvyzHH4Qch2cfLQdGxKQrrEuFpC1amSl_9GuLWODjPgw',
         'md5': 'f1bc19b6ea1b0fd1d81e84ca9ec467ac',
@@ -29,10 +24,6 @@ class BloggerIE(InfoExtractor):
         }
     }]
 
-    @staticmethod
-    def _extract_urls(webpage):
-        return re.findall(BloggerIE._VALID_EMBED, webpage)
-
     def _real_extract(self, url):
         token_id = self._match_id(url)
         webpage = self._download_webpage(url, token_id)