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From e6b247c8e524dbe5fc03b3492f628d0d5348bc49 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@redhat.com>
Date: Tue, 18 Dec 2018 14:47:21 +0100
Subject: [PATCH] bpo-35523: Remove ctypes callback workaround (GH-11211)
Remove ctypes callback workaround: no longer create a callback at startup.
Avoid SELinux alert on "import ctypes" and "import uuid".
---
Lib/ctypes/__init__.py | 5 -----
.../next/Library/2018-12-18-13-52-13.bpo-35523.SkoMno.rst | 2 ++
2 files changed, 2 insertions(+), 5 deletions(-)
create mode 100644 Misc/NEWS.d/next/Library/2018-12-18-13-52-13.bpo-35523.SkoMno.rst
diff --git a/Lib/ctypes/__init__.py b/Lib/ctypes/__init__.py
index 6146773988648..5f78beda5866e 100644
--- a/Lib/ctypes/__init__.py
+++ b/Lib/ctypes/__init__.py
@@ -266,11 +266,6 @@ def _reset_cache():
# _SimpleCData.c_char_p_from_param
POINTER(c_char).from_param = c_char_p.from_param
_pointer_type_cache[None] = c_void_p
- # XXX for whatever reasons, creating the first instance of a callback
- # function is needed for the unittests on Win64 to succeed. This MAY
- # be a compiler bug, since the problem occurs only when _ctypes is
- # compiled with the MS SDK compiler. Or an uninitialized variable?
- CFUNCTYPE(c_int)(lambda: None)
def create_unicode_buffer(init, size=None):
"""create_unicode_buffer(aString) -> character array
diff --git a/Misc/NEWS.d/next/Library/2018-12-18-13-52-13.bpo-35523.SkoMno.rst b/Misc/NEWS.d/next/Library/2018-12-18-13-52-13.bpo-35523.SkoMno.rst
new file mode 100644
index 0000000000000..94a9fd257383e
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2018-12-18-13-52-13.bpo-35523.SkoMno.rst
@@ -0,0 +1,2 @@
+Remove :mod:`ctypes` callback workaround: no longer create a callback at
+startup. Avoid SELinux alert on ``import ctypes`` and ``import uuid``.
|