youtube-dl

commit e2f61598be49b75f16b501f7a4d24f4c8c230c49
parent c11485162bcbf6f517fd9225850a048fc5f7cec1
Author: Sergey M․ <dstftw@gmail.com>
Date:   Mon, 17 Sep 2018 22:14:28 +0700

[twitch] Don't pollute default headers dict

Diffstat:
M
youtube_dl/extractor/twitch.py
 | 
4
+++-

1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/youtube_dl/extractor/twitch.py b/youtube_dl/extractor/twitch.py
@@ -51,7 +51,9 @@ class TwitchBaseIE(InfoExtractor):
                 expected=True)
 
     def _call_api(self, path, item_id, *args, **kwargs):
-        kwargs.setdefault('headers', {})['Client-ID'] = self._CLIENT_ID
+        headers = kwargs.get('headers', {}).copy()
+        headers['Client-ID'] = self._CLIENT_ID
+        kwargs['headers'] = headers
         response = self._download_json(
             '%s/%s' % (self._API_BASE, path), item_id,
             *args, **compat_kwargs(kwargs))