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| author | Serhiy Storchaka <storchaka@gmail.com> | 2018-01-12 22:28:31 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-01-12 22:28:31 (GMT) |
| commit | 5b76bdba071e7bbd9fda0b9b100d1506d95c04bd (patch) | |
| tree | 6330db8f2ec3db059cdad53010c11bce85b388fc /Misc/NEWS.d/3.7.0a4.rst | |
| parent | f3031b8a7ad71d3b6ed05da7f3041d9efbe773cf (diff) | |
| download | cpython-5b76bdba071e7bbd9fda0b9b100d1506d95c04bd.zip cpython-5b76bdba071e7bbd9fda0b9b100d1506d95c04bd.tar.gz cpython-5b76bdba071e7bbd9fda0b9b100d1506d95c04bd.tar.bz2 | |
bpo-31993: Do not use memoryview when pickle large strings. (#5154)
PyMemoryView_FromMemory() created a memoryview referring to
the internal data of the string. When the string is destroyed
the memoryview become referring to a freed memory.
Diffstat (limited to 'Misc/NEWS.d/3.7.0a4.rst')
| -rw-r--r-- | Misc/NEWS.d/3.7.0a4.rst | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/Misc/NEWS.d/3.7.0a4.rst b/Misc/NEWS.d/3.7.0a4.rst index ca9aa17..a6322ed 100644 --- a/Misc/NEWS.d/3.7.0a4.rst +++ b/Misc/NEWS.d/3.7.0a4.rst @@ -693,9 +693,9 @@ ctypes._aix.find_library() Patch by: Michael Felt .. nonce: -OMNg8 .. section: Library -The picklers no longer allocate temporary memory when dumping large -``bytes`` and ``str`` objects into a file object. Instead the data is -directly streamed into the underlying file object. +The pickler now uses less memory when serializing large bytes and str +objects into a file. Pickles created with protocol 4 will require less +memory for unpickling large bytes and str objects. .. |