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authordirkf <fieldhouse@gmx.net>2023-07-28 06:03:14 +0100
committerdirkf <fieldhouse@gmx.net>2023-07-29 14:27:26 +0100
commite7926ae9f4e5fa258696551a39295402819280c9 (patch)
tree979a70febc93910d6854077b8efc913aee5eca22 /youtube_dl/compat.py
parent87e578c9b891b29ab6559ac81ed391897b1e1ace (diff)
downloadyoutube-dl-e7926ae9f4e5fa258696551a39295402819280c9.tar.xz
[utils] Rework decoding of `Content-Encoding`s
* support nested encodings * support optional `br` encoding, if brotli package is installed * support optional 'compress' encoding, if ncompress package is installed * response `Content-Encoding` has only unprocessed encodings, or removed * response `Content-Length` is decoded length (usable for filesize metadata) * use zlib for both deflate and gzip decompression * some elements taken from yt-dlp: thx especially coletdjnz
Diffstat (limited to 'youtube_dl/compat.py')
-rw-r--r--youtube_dl/compat.py14
1 files changed, 14 insertions, 0 deletions
diff --git a/youtube_dl/compat.py b/youtube_dl/compat.py
index da6d70ec4..54ad64674 100644
--- a/youtube_dl/compat.py
+++ b/youtube_dl/compat.py
@@ -3200,6 +3200,18 @@ except AttributeError:
def compat_datetime_timedelta_total_seconds(td):
return (td.microseconds + (td.seconds + td.days * 24 * 3600) * 10**6) / 10**6
+# optional decompression packages
+# PyPi brotli package implements 'br' Content-Encoding
+try:
+ import brotli as compat_brotli
+except ImportError:
+ compat_brotli = None
+# PyPi ncompress package implements 'compress' Content-Encoding
+try:
+ import ncompress as compat_ncompress
+except ImportError:
+ compat_ncompress = None
+
legacy = [
'compat_HTMLParseError',
@@ -3234,6 +3246,7 @@ __all__ = [
'compat_Struct',
'compat_base64_b64decode',
'compat_basestring',
+ 'compat_brotli',
'compat_casefold',
'compat_chr',
'compat_collections_abc',
@@ -3259,6 +3272,7 @@ __all__ = [
'compat_itertools_zip_longest',
'compat_kwargs',
'compat_map',
+ 'compat_ncompress',
'compat_numeric_types',
'compat_open',
'compat_ord',