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authorMartin Panter <vadmium+py@gmail.com>2015-11-21 10:57:15 (GMT)
committerMartin Panter <vadmium+py@gmail.com>2015-11-21 10:57:15 (GMT)
commit36befa5b4c37b34de9c7f59eba26575b255114cf (patch)
treed87a8cd77c6bbdfeb0e15a8320740da4051ab786 /Misc/NEWS
parent266b276f34db5cc106d100f63b631af1f1f8e0e2 (diff)
parente99e97762cc75ad94056275ddcae9c84d63a3412 (diff)
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Issue #25626: Merge zlib fix from 3.5
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@@ -432,6 +432,13 @@ Core and Builtins
Library
-------
+- Issue #25626: Change three zlib functions to accept sizes that fit in
+ Py_ssize_t, but internally cap those sizes to UINT_MAX. This resolves a
+ regression in 3.5 where GzipFile.read() failed to read chunks larger than 2
+ or 4 GiB. The change affects the zlib.Decompress.decompress() max_length
+ parameter, the zlib.decompress() bufsize parameter, and the
+ zlib.Decompress.flush() length parameter.
+
- Issue #25583: Avoid incorrect errors raised by os.makedirs(exist_ok=True)
when the OS gives priority to errors such as EACCES over EEXIST.