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-rw-r--r--youtube_dl/extractor/generic.py17
1 files changed, 15 insertions, 2 deletions
diff --git a/youtube_dl/extractor/generic.py b/youtube_dl/extractor/generic.py
index c9c92d686..ec1d9abbe 100644
--- a/youtube_dl/extractor/generic.py
+++ b/youtube_dl/extractor/generic.py
@@ -11,6 +11,7 @@ from ..compat import (
compat_urllib_parse,
compat_urlparse,
compat_xml_parse_error,
+ compat_urllib_request,
)
from ..utils import (
determine_ext,
@@ -916,7 +917,9 @@ class GenericIE(InfoExtractor):
full_response = None
if head_response is False:
- full_response = self._request_webpage(url, video_id)
+ request = compat_urllib_request.Request(url)
+ request.add_header('Accept-Encoding', '*')
+ full_response = self._request_webpage(request, video_id)
head_response = full_response
# Check for direct link to a video
@@ -941,7 +944,17 @@ class GenericIE(InfoExtractor):
self._downloader.report_warning('Falling back on generic information extractor.')
if not full_response:
- full_response = self._request_webpage(url, video_id)
+ request = compat_urllib_request.Request(url)
+ # Some webservers may serve compressed content of rather big size (e.g. gzipped flac)
+ # making it impossible to download only chunk of the file (yet we need only 512kB to
+ # test whether it's HTML or not). According to youtube-dl default Accept-Encoding
+ # that will always result in downloading the whole file that is not desirable.
+ # Therefore for extraction pass we have to override Accept-Encoding to any in order
+ # to accept raw bytes and being able to download only a chunk.
+ # It may probably better to solve this by checking Content-Type for application/octet-stream
+ # after HEAD request finishes, but not sure if we can rely on this.
+ request.add_header('Accept-Encoding', '*')
+ full_response = self._request_webpage(request, video_id)
# Maybe it's a direct link to a video?
# Be careful not to download the whole thing!