From 54ffdf53a48297149c727a92187d9cf2db0e7ada Mon Sep 17 00:00:00 2001
From: Ilya Leoshkevich <iii@linux.ibm.com>
Date: Tue, 8 Feb 2022 15:46:24 +0100
Subject: [PATCH] bpo-46681: Forward gzip.compress() compresslevel to zlib

---
 Lib/gzip.py                                                    | 3 ++-
 .../next/Library/2022-03-21-13-50-07.bpo-46681.RRhopn.rst      | 1 +
 2 files changed, 3 insertions(+), 1 deletion(-)
 create mode 100644 Misc/NEWS.d/next/Library/2022-03-21-13-50-07.bpo-46681.RRhopn.rst

diff --git a/Lib/gzip.py b/Lib/gzip.py
index 6773ea3eef0971..5b20e5ba698ee9 100644
--- a/Lib/gzip.py
+++ b/Lib/gzip.py
@@ -587,7 +587,8 @@ def compress(data, compresslevel=_COMPRESS_LEVEL_BEST, *, mtime=None):
     header = _create_simple_gzip_header(compresslevel, mtime)
     trailer = struct.pack("<LL", zlib.crc32(data), (len(data) & 0xffffffff))
     # Wbits=-15 creates a raw deflate block.
-    return header + zlib.compress(data, wbits=-15) + trailer
+    return (header + zlib.compress(data, level=compresslevel, wbits=-15) +
+            trailer)
 
 
 def decompress(data):
diff --git a/Misc/NEWS.d/next/Library/2022-03-21-13-50-07.bpo-46681.RRhopn.rst b/Misc/NEWS.d/next/Library/2022-03-21-13-50-07.bpo-46681.RRhopn.rst
new file mode 100644
index 00000000000000..7668605698cab5
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-03-21-13-50-07.bpo-46681.RRhopn.rst
@@ -0,0 +1 @@
+Forward gzip.compress() compresslevel to zlib.