[downloader/external:curl] Clarify why CurlFD should not capture stderr

8 years ago · acfccacad5
parent 5f2c2b7936
commit acfccacad5
1 changed files with 1 additions and 0 deletions
--- a/youtube_dl/downloader/external.py
+++ b/youtube_dl/downloader/external.py
@ -114,6 +114,7 @@ class CurlFD(ExternalFD):

        self._debug_cmd(cmd)

+        # curl writes the progress to stderr so don't capture it.
        p = subprocess.Popen(cmd)
        p.communicate()
        return p.returncode