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".
diff --git a/Lib/ctypes/__init__.py b/Lib/ctypes/__init__.py
index 6146773..5f78bed 100644
--- a/Lib/ctypes/__init__.py
+++ b/Lib/ctypes/__init__.py
@@ -266,11 +266,6 @@
# _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 0000000..94a9fd2
--- /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``.