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#!/usr/bin/env python3
import
io
import
os
import
sys
import
tempfile
import
textwrap
import
unittest
# Get upgrade_pythoncapi.py of the parent directory
sys
.
path
.
insert
(
0
,
os
.
path
.
join
(
os
.
path
.
dirname
(
__file__
),
'..'
))
import
upgrade_pythoncapi
# noqa
def
operations
(
disable
=
None
):
if
isinstance
(
disable
,
str
):
disable
=
(
disable
,)
elif
not
disable
:
disable
=
()
operations
=
[
"all"
]
for
op
in
upgrade_pythoncapi
.
EXCLUDE_FROM_ALL
:
if
op
.
NAME
in
disable
:
continue
operations
.
append
(
op
.
NAME
)
for
name
in
disable
:
operations
.
append
(
f'-
{
name
}
'
)
operations
=
','
.
join
(
operations
)
return
operations
def
patch
(
source
,
no_compat
=
False
,
disable
=
None
):
args
=
[
'script'
,
'mod.c'
,
'-o'
,
operations
(
disable
=
disable
)]
if
no_compat
:
args
.
append
(
'--no-compat'
)
patcher
=
upgrade_pythoncapi
.
Patcher
(
args
)
return
patcher
.
patch
(
source
)
def
reformat
(
source
):
return
textwrap
.
dedent
(
source
).
strip
()
class
Tests
(
unittest
.
TestCase
):
maxDiff
=
80
*
30
def
_patch_file
(
self
,
source
,
tmp_dir
=
None
):
# test Patcher.patcher()
filename
=
tempfile
.
mktemp
(
suffix
=
'.c'
,
dir
=
tmp_dir
)
old_filename
=
filename
+
".old"
try
:
with
open
(
filename
,
"w"
,
encoding
=
"utf-8"
,
newline
=
""
)
as
fp
:
fp
.
write
(
source
)
old_stderr
=
sys
.
stderr
old_argv
=
list
(
sys
.
argv
)
try
:
# redirect stderr
sys
.
stderr
=
io
.
StringIO
()
if
tmp_dir
is
not
None
:
arg
=
tmp_dir
else
:
arg
=
filename
sys
.
argv
=
[
'script'
,
arg
]
try
:
upgrade_pythoncapi
.
Patcher
().
main
()
except
SystemExit
as
exc
:
self
.
assertEqual
(
exc
.
code
,
0
)
else
:
self
.
fail
(
"SystemExit not raised"
)
finally
:
sys
.
stderr
=
old_stderr
sys
.
argv
=
old_argv
with
open
(
filename
,
encoding
=
"utf-8"
,
newline
=
""
)
as
fp
:
new_contents
=
fp
.
read
()
with
open
(
old_filename
,
encoding
=
"utf-8"
,
newline
=
""
)
as
fp
:
old_contents
=
fp
.
read
()
finally
:
try
:
os
.
unlink
(
filename
)
except
FileNotFoundError
:
pass
try
:
os
.
unlink
(
old_filename
)
except
FileNotFoundError
:
pass
self
.
assertEqual
(
old_contents
,
source
)
return
new_contents
def
test_patch_file
(
self
):
source
=
"""
PyTypeObject*
test_type(PyObject *obj, PyTypeObject *type)
{
Py_TYPE(obj) = type;
return Py_TYPE(obj);
}
"""
expected
=
"""
#include "pythoncapi_compat.h"
PyTypeObject*
test_type(PyObject *obj, PyTypeObject *type)
{
Py_SET_TYPE(obj, type);
return Py_TYPE(obj);
}
"""
source
=
reformat
(
source
)
expected
=
reformat
(
expected
)
new_contents
=
self
.
_patch_file
(
source
)
self
.
assertEqual
(
new_contents
,
expected
)
with
tempfile
.
TemporaryDirectory
()
as
tmp_dir
:
new_contents
=
self
.
_patch_file
(
source
,
tmp_dir
)
self
.
assertEqual
(
new_contents
,
expected
)
def
test_patch_file_preserve_newlines
(
self
):
source
=
"""
Py_ssize_t get_size(PyVarObject *obj)
\r
\n
\
\n
\
{ return obj->ob_size; }
\r
\
"""
expected
=
"""
Py_ssize_t get_size(PyVarObject *obj)
\r
\n
\
\n
\
{ return Py_SIZE(obj); }
\r
\
"""
source
=
reformat
(
source
)
expected
=
reformat
(
expected
)
new_contents
=
self
.
_patch_file
(
source
)
self
.
assertEqual
(
new_contents
,
expected
)
def
check_replace
(
self
,
source
,
expected
,
**
kwargs
):
source
=
reformat
(
source
)
expected
=
reformat
(
expected
)
self
.
assertEqual
(
patch
(
source
,
**
kwargs
),
expected
)
def
check_dont_replace
(
self
,
source
,
disable
=
None
):
source
=
reformat
(
source
)
self
.
assertEqual
(
patch
(
source
,
disable
=
disable
),
source
)
def
test_expr_regex
(
self
):
# Test EXPR_REGEX
self
.
check_replace
(
"a->b->ob_type"
,
"Py_TYPE(a->b)"
)
self
.
check_replace
(
"a.b->ob_type"
,
"Py_TYPE(a.b)"
)
self
.
check_replace
(
"array[2]->ob_type"
,
"Py_TYPE(array[2])"
)
# Don't match function calls
self
.
check_dont_replace
(
"func()->ob_type"
)
def
test_pythoncapi_compat
(
self
):
# If pythoncapi_compat.h is included, avoid compatibility includes
# and macros.
#
# Otherise, Py_SET_TYPE() requires a macro and PyFrame_GetBack()
# requires 2 macros and an include.
HEADERS
=
(
'<pythoncapi_compat.h>'
,
'"pythoncapi_compat.h"'
,
)
for
header
in
HEADERS
:
# There is no empty line between the include and the function
# on purpose.
self
.
check_replace
(
"""
#include %s
void test_set_type(PyObject *obj, PyTypeObject *type)
{
Py_TYPE(obj) = type;
}
PyFrameObject* frame_back_borrowed(PyFrameObject *frame)
{
return frame->f_back;
}
"""
%
header
,
"""
#include %s
void test_set_type(PyObject *obj, PyTypeObject *type)
{
Py_SET_TYPE(obj, type);
}
PyFrameObject* frame_back_borrowed(PyFrameObject *frame)
{
return _PyFrame_GetBackBorrow(frame);
}
"""
%
header
)
def
test_py_type
(
self
):
source
=
"""
PyTypeObject* get_type(PyObject *obj)
{ return obj->ob_type; }
"""
expected
=
"""
PyTypeObject* get_type(PyObject *obj)
{ return Py_TYPE(obj); }
"""
self
.
check_replace
(
source
,
expected
)
def
test_py_size
(
self
):
source
=
"""
Py_ssize_t get_size(PyVarObject *obj)
{ return obj->ob_size; }
"""
expected
=
"""
Py_ssize_t get_size(PyVarObject *obj)
{ return Py_SIZE(obj); }
"""
self
.
check_replace
(
source
,
expected
)
def
test_py_refcnt
(
self
):
source
=
"""
Py_ssize_t get_refcnt(PyObject *obj)
{ return obj->ob_refcnt; }
"""
expected
=
"""
Py_ssize_t get_refcnt(PyObject *obj)
{ return Py_REFCNT(obj); }
"""
self
.
check_replace
(
source
,
expected
)
def
test_py_set_type
(
self
):
source
=
"""
void test_type(PyObject *obj, PyTypeObject *type)
{
obj->ob_type = type;
Py_TYPE(obj) = type;
}
"""
expected
=
"""
#include "pythoncapi_compat.h"
void test_type(PyObject *obj, PyTypeObject *type)
{
Py_SET_TYPE(obj, type);
Py_SET_TYPE(obj, type);
}
"""
self
.
check_replace
(
source
,
expected
)
self
.
check_dont_replace
(
"""
PyTypeObject* get_type(PyObject *obj, PyTypeObject *check_type)
{
assert(Py_TYPE(args) == check_type);
return Py_TYPE(obj);
}
"""
)
def
test_py_set_size
(
self
):
source
=
"""
\
void test_size(PyVarObject *obj)
{
obj->ob_size = 3;
Py_SIZE(obj) = 4;
}
"""
expected
=
"""
\
#include "pythoncapi_compat.h"
void test_size(PyVarObject *obj)
{
Py_SET_SIZE(obj, 3);
Py_SET_SIZE(obj, 4);
}
"""
self
.
check_replace
(
source
,
expected
)
self
.
check_dont_replace
(
"""
Py_ssize_t
get_size(PyObject *obj)
{
assert(Py_SIZE(args) == 1);
return Py_SIZE(obj);
}
"""
)
def
test_py_set_refcnt
(
self
):
source
=
"""
\
void set_refcnt(PyObject *obj)
{
obj->ob_refcnt = 1;
Py_REFCNT(obj) = 2;
}
"""
expected
=
"""
\
#include "pythoncapi_compat.h"
void set_refcnt(PyObject *obj)
{
Py_SET_REFCNT(obj, 1);
Py_SET_REFCNT(obj, 2);
}
"""
self
.
check_replace
(
source
,
expected
)
self
.
check_dont_replace
(
"""
Py_ssize_t
get_refcnt(PyObject *obj)
{
assert(Py_REFCNT(args) == 1);
return Py_REFCNT(obj);
}
"""
)
def
test_pyobject_new
(
self
):
source
=
"""
\
capsule = PyObject_NEW(PyCapsule, &PyCapsule_Type);
pattern = PyObject_NEW_VAR(PatternObject, Pattern_Type, n);
"""
expected
=
"""
\
capsule = PyObject_New(PyCapsule, &PyCapsule_Type);
pattern = PyObject_NewVar(PatternObject, Pattern_Type, n);
"""
self
.
check_replace
(
source
,
expected
)
self
.
check_dont_replace
(
"""
func = PyObject_NEW;
capsule2 = PyObject_NEW2(PyCapsule, &PyCapsule_Type);
func2 = PyObject_NEW_VAR;
pattern2 = PyObject_NEW_VAR2(PatternObject, Pattern_Type, n);
"""
)
def
test_pymem_malloc
(
self
):
source
=
"""
\
void *ptr = PyMem_MALLOC(10);
ptr = PyMem_REALLOC(ptr, 20);
PyMem_FREE(ptr);
PyMem_DEL(ptr);
PyMem_Del(ptr);
"""
expected
=
"""
\
void *ptr = PyMem_Malloc(10);
ptr = PyMem_Realloc(ptr, 20);
PyMem_Free(ptr);
PyMem_Free(ptr);
PyMem_Free(ptr);
"""
self
.
check_replace
(
source
,
expected
)
def
test_pyobject_malloc
(
self
):
source
=
"""
\
void *ptr = PyObject_MALLOC(10);
ptr = PyObject_REALLOC(ptr, 20);
PyObject_FREE(ptr);
PyObject_DEL(ptr);
PyObject_Del(ptr);
"""
expected
=
"""
\
void *ptr = PyObject_Malloc(10);
ptr = PyObject_Realloc(ptr, 20);
PyObject_Free(ptr);
PyObject_Free(ptr);
PyObject_Free(ptr);
"""
self
.
check_replace
(
source
,
expected
)
def
test_pyframe_getback
(
self
):
source
=
"""
\
PyFrameObject* frame_back_borrowed(PyFrameObject *frame)
{
return frame->f_back;
}
"""
expected
=
"""
\
#include "pythoncapi_compat.h"
PyFrameObject* frame_back_borrowed(PyFrameObject *frame)
{
return _PyFrame_GetBackBorrow(frame);
}
"""
self
.
check_replace
(
source
,
expected
)
def
test_pyframe_getcode
(
self
):
self
.
check_replace
(
"""
\
PyCodeObject* frame_code_borrowed(PyFrameObject *frame)
{
return frame->f_code;
}
"""
,
"""
\
#include "pythoncapi_compat.h"
PyCodeObject* frame_code_borrowed(PyFrameObject *frame)
{
return _PyFrame_GetCodeBorrow(frame);
}
"""
)
def
test_get_member_regex
(
self
):
# Use PyFrame_GetCode() to test get_member_regex()
self
.
check_dont_replace
(
"""
void frame_set_code(PyFrameObject *frame, PyCodeObject *code)
{
frame->f_code = code;
}
void frame_clear_code(PyFrameObject *frame)
{
Py_CLEAR(frame->f_code);
}
"""
)
def
test_pythreadstate_getinterpreter
(
self
):
self
.
check_replace
(
"""
PyInterpreterState* get_interp(PyThreadState *tstate)
{ return tstate->interp; }
"""
,
"""
#include "pythoncapi_compat.h"
PyInterpreterState* get_interp(PyThreadState *tstate)
{ return PyThreadState_GetInterpreter(tstate); }
"""
)
def
test_pythreadstate_getframe
(
self
):
self
.
check_replace
(
"""
PyFrameObject* get_frame(PyThreadState *tstate)
{ return tstate->frame; }
"""
,
"""
#include "pythoncapi_compat.h"
PyFrameObject* get_frame(PyThreadState *tstate)
{ return _PyThreadState_GetFrameBorrow(tstate); }
"""
)
def
test_py_newref_return
(
self
):
self
.
check_replace
(
"""
PyObject* new_ref(PyObject *obj) {
Py_INCREF(obj);
return obj;
}
PyObject* same_line(PyObject *obj) {
Py_INCREF(obj); return obj;
}
PyObject* new_xref(PyObject *obj) {
Py_XINCREF(obj);
return obj;
}
PyObject* cast(PyLongObject *obj) {
Py_XINCREF(obj);
return (PyObject *)obj;
}
"""
,
"""
#include "pythoncapi_compat.h"
PyObject* new_ref(PyObject *obj) {
return Py_NewRef(obj);
}
PyObject* same_line(PyObject *obj) {
return Py_NewRef(obj);
}
PyObject* new_xref(PyObject *obj) {
return Py_XNewRef(obj);
}
PyObject* cast(PyLongObject *obj) {
return Py_XNewRef(obj);
}
"""
)
def
test_py_newref
(
self
):
# INCREF, assign
self
.
check_replace
(
"""
void set_attr(MyStruct *obj, PyObject *value, int test)
{
// 1
Py_INCREF(value);
obj->attr = value;
// 2
obj->attr = value;
Py_INCREF(value);
// 3
obj->attr = value;
Py_INCREF(obj->attr);
}
"""
,
"""
#include "pythoncapi_compat.h"
void set_attr(MyStruct *obj, PyObject *value, int test)
{
// 1
obj->attr = Py_NewRef(value);
// 2
obj->attr = Py_NewRef(value);
// 3
obj->attr = Py_NewRef(value);
}
"""
)
# Same line
self
.
check_replace
(
"""
void set_attr(MyStruct *obj, PyObject *value, int test)
{
// same line 1
obj->attr = value; Py_INCREF(value);
// same line 2
if (test) { obj->attr = value; Py_INCREF(obj->attr); }
// same line 3
if (test) { Py_INCREF(value); obj->attr = value; }
}
"""
,
"""
#include "pythoncapi_compat.h"
void set_attr(MyStruct *obj, PyObject *value, int test)
{
// same line 1
obj->attr = Py_NewRef(value);
// same line 2
if (test) { obj->attr = Py_NewRef(value); }
// same line 3
if (test) { obj->attr = Py_NewRef(value); }
}
"""
)
# Cast
self
.
check_replace
(
"""
void set_attr(MyStruct *obj, PyObject *value, int test)
{
// cast 1
Py_INCREF(value);
obj->attr = (PyObject*)value;
// cast 2
obj->attr = (PyObject*)value;
Py_INCREF(value);
// assign var, incref
PyCodeObject *code_obj = (PyCodeObject *)code;
Py_INCREF(code_obj);
// assign var, incref
PyCodeObject* code_obj = (PyCodeObject *)code;
Py_INCREF(code);
// assign var, xincref
PyCodeObject * code_obj = (PyCodeObject *)code;
Py_XINCREF(code_obj);
// incref, assign var
Py_INCREF(code);
PyCodeObject* code_obj = (PyCodeObject *)code;
// xincref, assign var
Py_XINCREF(code);
PyCodeObject *code_obj = (PyCodeObject *)code;
}
"""
,
"""
#include "pythoncapi_compat.h"
void set_attr(MyStruct *obj, PyObject *value, int test)
{
// cast 1
obj->attr = Py_NewRef(value);
// cast 2
obj->attr = Py_NewRef(value);
// assign var, incref
PyCodeObject *code_obj = (PyCodeObject *)Py_NewRef(code);
// assign var, incref
PyCodeObject* code_obj = (PyCodeObject *)Py_NewRef(code);
// assign var, xincref
PyCodeObject * code_obj = (PyCodeObject *)Py_XNewRef(code);
// incref, assign var
PyCodeObject* code_obj = (PyCodeObject *)Py_NewRef(code);
// xincref, assign var
PyCodeObject *code_obj = (PyCodeObject *)Py_XNewRef(code);
}
"""
)
# Py_XINCREF
self
.
check_replace
(
"""
void set_xattr(MyStruct *obj, PyObject *value)
{
// 1
Py_XINCREF(value);
obj->attr = value;
// 2
obj->attr = value;
Py_XINCREF(value);
// 3
obj->attr = value;
Py_XINCREF(obj->attr);
}
"""
,
"""
#include "pythoncapi_compat.h"
void set_xattr(MyStruct *obj, PyObject *value)
{
// 1
obj->attr = Py_XNewRef(value);
// 2
obj->attr = Py_XNewRef(value);
// 3
obj->attr = Py_XNewRef(value);
}
"""
)
# the first Py_INCREF should be replaced before the second one,
# otherwise the first Py_INCREF is not replaced.
self
.
check_replace
(
"""
void set(void)
{
PyObject *x, *y;
Py_INCREF(Py_None);
x = Py_None;
Py_INCREF(Py_None);
x = Py_None;
Py_DECREF(x);
Py_DECREF(y);
}
"""
,
"""
#include "pythoncapi_compat.h"
void set(void)
{
PyObject *x, *y;
x = Py_NewRef(Py_None);
x = Py_NewRef(Py_None);
Py_DECREF(x);
Py_DECREF(y);
}
"""
)
# Indentation matters for conditional code
self
.
check_dont_replace
(
"""
void test1(int test)
{
PyObject *res;
if (test)
res = Py_True;
else
res = Py_False;
Py_INCREF(res);
Py_DECREF(res);
}
int test2(struct datetime* result, PyObject *tzinfo)
{
int res = 0;
if (test)
res = 1;
else
Py_INCREF(tzinfo);
result->tzinfo = tzinfo;
return res;
}
"""
)
def
test_py_clear
(
self
):
self
.
check_replace
(
"""
void clear(int test)
{
PyObject *obj;
// two lines
Py_XDECREF(obj);
obj = NULL;
// inside if
if (test) { Py_XDECREF(obj); obj = NULL; }
}
"""
,
"""
void clear(int test)
{
PyObject *obj;
// two lines
Py_CLEAR(obj);
// inside if
if (test) { Py_CLEAR(obj); }
}
"""
)
# Don't replace Py_DECREF()
self
.
check_dont_replace
(
"""
void dont_clear(void)
{
PyObject *obj;
Py_DECREF(obj);
obj = NULL;
}
"""
,
disable
=
"Py_SETREF"
)
def
test_py_setref
(
self
):
self
.
check_replace
(
"""
void set(PyObject **obj, PyObject *t)
{
// DECREF
Py_DECREF(*obj);
*obj = t;
// XDECREF
Py_XDECREF(*obj);
*obj = t;
// DECREF, INCREF
Py_DECREF(*obj);
Py_INCREF(t);
*obj = t;
}
"""
,
"""
#include "pythoncapi_compat.h"
void set(PyObject **obj, PyObject *t)
{
// DECREF
Py_SETREF(*obj, t);
// XDECREF
Py_XSETREF(*obj, t);
// DECREF, INCREF
Py_SETREF(*obj, Py_NewRef(t));
}
"""
)
self
.
check_replace
(
"""
void set(PyObject **obj, PyObject *value)
{
// 1
PyObject *old = *obj;
*obj = value;
Py_DECREF(old);
// 2
PyObject *old = *obj;
*obj = Py_XNewRef(value);
Py_DECREF(old);
// 3
PyObject *old = *obj;
*obj = value;
Py_XDECREF(old);
// 4
PyObject *old = *obj;
*obj = Py_NewRef(value);
Py_XDECREF(old);
}
"""
,
"""
#include "pythoncapi_compat.h"
void set(PyObject **obj, PyObject *value)
{
// 1
Py_SETREF(*obj, value);
// 2
Py_SETREF(*obj, Py_XNewRef(value));
// 3
Py_XSETREF(*obj, value);
// 4
Py_XSETREF(*obj, Py_NewRef(value));
}
"""
)
# INCREF, DECREF, assign
self
.
check_replace
(
"""
void set(void)
{
// 1
Py_INCREF(value);
Py_DECREF(obj);
obj = value;
// 2
Py_INCREF(value);
Py_XDECREF(obj);
obj = value;
// 3
Py_XINCREF(value);
Py_DECREF(obj);
obj = value;
// 4
Py_XINCREF(value);
Py_XDECREF(obj);
obj = value;
}
"""
,
"""
#include "pythoncapi_compat.h"
void set(void)
{
// 1
Py_SETREF(obj, Py_NewRef(value));
// 2
Py_XSETREF(obj, Py_NewRef(value));
// 3
Py_SETREF(obj, Py_XNewRef(value));
// 4
Py_XSETREF(obj, Py_XNewRef(value));
}
"""
)
# old variable
self
.
check_replace
(
"""
void set(PyObject **obj, PyObject *value)
{
// 1
PyObject *old_next = (PyObject*)self->tb_next;
self->tb_next = (PyTracebackObject *)Py_XNewRef(new_next);
Py_XDECREF(old_next);
// 2
old_next = (PyObject*)self->tb_next;
self->tb_next = (PyTracebackObject *)Py_XNewRef(new_next);
Py_XDECREF(old_next);
}
"""
,
"""
#include "pythoncapi_compat.h"
void set(PyObject **obj, PyObject *value)
{
// 1
Py_XSETREF(self->tb_next, (PyTracebackObject *)Py_XNewRef(new_next));
// 2
Py_XSETREF(self->tb_next, (PyTracebackObject *)Py_XNewRef(new_next));
}
"""
)
# Py_CLEAR
self
.
check_replace
(
"""
void set(PyObject **obj, PyObject *value)
{
// 1
Py_CLEAR(self->tb_next);
self->tb_next = value;
// 2
Py_INCREF(value);
Py_CLEAR(self->tb_next);
self->tb_next = value;
// 3
Py_XINCREF(value);
Py_CLEAR(self->tb_next);
self->tb_next = value;
}
"""
,
"""
#include "pythoncapi_compat.h"
void set(PyObject **obj, PyObject *value)
{
// 1
Py_XSETREF(self->tb_next, value);
// 2
Py_XSETREF(self->tb_next, Py_NewRef(value));
// 3
Py_XSETREF(self->tb_next, Py_XNewRef(value));
}
"""
)
def
test_py_is
(
self
):
self
.
check_replace
(
"""
void test_py_is(PyObject *x)
{
if (x == Py_None) {
return 1;
}
if (x == Py_True) {
return 2;
}
if (x == Py_False) {
return 3;
}
return 0;
}
void test_py_is_not(PyObject *x)
{
if (x != Py_None) {
return 1;
}
if (x != Py_True) {
return 2;
}
if (x != Py_False) {
return 3;
}
return 0;
}
"""
,
"""
#include "pythoncapi_compat.h"
void test_py_is(PyObject *x)
{
if (Py_IsNone(x)) {
return 1;
}
if (Py_IsTrue(x)) {
return 2;
}
if (Py_IsFalse(x)) {
return 3;
}
return 0;
}
void test_py_is_not(PyObject *x)
{
if (!Py_IsNone(x)) {
return 1;
}
if (!Py_IsTrue(x)) {
return 2;
}
if (!Py_IsFalse(x)) {
return 3;
}
return 0;
}
"""
)
self
.
check_replace
(
"""
void test_expr(struct MyStruct *obj, PyObject **obj2)
{
if (obj->attr1 == Py_None) {
return 1;
}
if (obj->attr2.name == Py_None) {
return 1;
}
if (*obj2 == Py_None) {
return 1;
}
return 0;
}
"""
,
"""
#include "pythoncapi_compat.h"
void test_expr(struct MyStruct *obj, PyObject **obj2)
{
if (Py_IsNone(obj->attr1)) {
return 1;
}
if (Py_IsNone(obj->attr2.name)) {
return 1;
}
if (Py_IsNone(*obj2)) {
return 1;
}
return 0;
}
"""
)
def
test_no_compat
(
self
):
# Don't add "#include "pythoncapi_compat.h"
source
=
"""
void test_type(PyObject *obj, PyTypeObject *type)
{
obj->ob_type = type;
}
"""
expected
=
"""
void test_type(PyObject *obj, PyTypeObject *type)
{
Py_SET_TYPE(obj, type);
}
"""
self
.
check_replace
(
source
,
expected
,
no_compat
=
True
)
if
__name__
==
"__main__"
:
unittest
.
main
()
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