[Python-checkins] bpo-16396: Allow wintypes to be imported on non-Windows systems. (GH-21394)
Miss Skeleton (bot)
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Mon Oct 19 18:32:44 EDT 2020
https://github.com/python/cpython/commit/05d52a0ad69cbadd4b048f2a97991e4e58d4a922
commit: 05d52a0ad69cbadd4b048f2a97991e4e58d4a922
branch: 3.9
author: Miss Skeleton (bot) <31488909+miss-islington at users.noreply.github.com>
committer: GitHub <noreply at github.com>
date: 2020-10-19T15:32:36-07:00
summary:
bpo-16396: Allow wintypes to be imported on non-Windows systems. (GH-21394)
Co-authored-by: Christian Heimes <christian at python.org>
(cherry picked from commit 5456e78f4593edc277ab72fb9a9db1ebae7d4c2d)
Co-authored-by: Jason R. Coombs <jaraco at jaraco.com>
files:
A Misc/NEWS.d/next/Library/2020-07-08-09-45-00.bpo-16936.z8o8Pn.rst
M Lib/ctypes/test/test_wintypes.py
M Modules/_ctypes/cfield.c
diff --git a/Lib/ctypes/test/test_wintypes.py b/Lib/ctypes/test/test_wintypes.py
index 71442df8301af..243d5962ffa7f 100644
--- a/Lib/ctypes/test/test_wintypes.py
+++ b/Lib/ctypes/test/test_wintypes.py
@@ -1,12 +1,13 @@
-import sys
import unittest
+# also work on POSIX
+
from ctypes import *
+from ctypes import wintypes
+
- at unittest.skipUnless(sys.platform.startswith('win'), 'Windows-only test')
class WinTypesTest(unittest.TestCase):
def test_variant_bool(self):
- from ctypes import wintypes
# reads 16-bits from memory, anything non-zero is True
for true_value in (1, 32767, 32768, 65535, 65537):
true = POINTER(c_int16)(c_int16(true_value))
@@ -37,5 +38,6 @@ def test_variant_bool(self):
vb.value = []
self.assertIs(vb.value, False)
+
if __name__ == "__main__":
unittest.main()
diff --git a/Misc/NEWS.d/next/Library/2020-07-08-09-45-00.bpo-16936.z8o8Pn.rst b/Misc/NEWS.d/next/Library/2020-07-08-09-45-00.bpo-16936.z8o8Pn.rst
new file mode 100644
index 0000000000000..c76db4eedecff
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2020-07-08-09-45-00.bpo-16936.z8o8Pn.rst
@@ -0,0 +1 @@
+Allow ``ctypes.wintypes`` to be imported on non-Windows systems.
diff --git a/Modules/_ctypes/cfield.c b/Modules/_ctypes/cfield.c
index a72682d7292ca..2261a59e439f6 100644
--- a/Modules/_ctypes/cfield.c
+++ b/Modules/_ctypes/cfield.c
@@ -684,7 +684,11 @@ i_get_sw(void *ptr, Py_ssize_t size)
return PyLong_FromLong(val);
}
-#ifdef MS_WIN32
+#ifndef MS_WIN32
+/* http://msdn.microsoft.com/en-us/library/cc237864.aspx */
+#define VARIANT_FALSE 0x0000
+#define VARIANT_TRUE 0xFFFF
+#endif
/* short BOOL - VARIANT_BOOL */
static PyObject *
vBOOL_set(void *ptr, PyObject *value, Py_ssize_t size)
@@ -706,7 +710,6 @@ vBOOL_get(void *ptr, Py_ssize_t size)
{
return PyBool_FromLong((long)*(short int *)ptr);
}
-#endif
static PyObject *
bool_set(void *ptr, PyObject *value, Py_ssize_t size)
@@ -1538,8 +1541,8 @@ static struct fielddesc formattable[] = {
#endif
#ifdef MS_WIN32
{ 'X', BSTR_set, BSTR_get, &ffi_type_pointer},
- { 'v', vBOOL_set, vBOOL_get, &ffi_type_sshort},
#endif
+ { 'v', vBOOL_set, vBOOL_get, &ffi_type_sshort},
#if SIZEOF__BOOL == 1
{ '?', bool_set, bool_get, &ffi_type_uchar}, /* Also fallback for no native _Bool support */
#elif SIZEOF__BOOL == SIZEOF_SHORT
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