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cpython/PC/_testconsole.c at 3.15 · python/cpython · GitHub
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/* Testing module for multi-phase initialization of extension modules (PEP 489)
*/
// Need limited C API version 3.13 for Py_mod_gil
#include
"pyconfig.h"
// Py_GIL_DISABLED
#ifndef
Py_GIL_DISABLED
# define
Py_LIMITED_API
0x030d0000
#endif
#include
"Python.h"
#ifdef
MS_WINDOWS
#define
WIN32_LEAN_AND_MEAN
#include
<windows.h>
#include
<fcntl.h>
/* The full definition is in iomodule. We reproduce
enough here to get the fd, which is all we want. */
typedef
struct
{
PyObject_HEAD
int
fd
;
}
winconsoleio
;
static
int
execfunc
(
PyObject
*
m
)
{
return
0
;
}
PyModuleDef_Slot
testconsole_slots
[]
=
{
{
Py_mod_exec
,
execfunc
},
{
Py_mod_multiple_interpreters
,
Py_MOD_PER_INTERPRETER_GIL_SUPPORTED
},
{
Py_mod_gil
,
Py_MOD_GIL_NOT_USED
},
{
0
,
NULL
},
};
/*[python input]
class HANDLE_converter(CConverter):
type = 'void *'
format_unit = '"_Py_PARSE_UINTPTR"'
def parse_arg(self, argname, displayname, *, limited_capi):
return self.format_code("""
{paramname} = PyLong_AsVoidPtr({argname});
if (!{paramname} && PyErr_Occurred()) {{{{
goto exit;
}}}}
""",
argname=argname)
[python start generated code]*/
/*[python end generated code: output=da39a3ee5e6b4b0d input=380aa5c91076742b]*/
/*[python end generated code:]*/
/*[clinic input]
module _testconsole
_testconsole.write_input
file: object
s: Py_buffer
Writes UTF-16-LE encoded bytes to the console as if typed by a user.
[clinic start generated code]*/
static
PyObject
*
_testconsole_write_input_impl
(
PyObject
*
module
,
PyObject
*
file
,
Py_buffer
*
s
)
/*[clinic end generated code: output=58631a8985426ad3 input=68062f1bb2e52206]*/
{
INPUT_RECORD
*
rec
=
NULL
;
PyObject
*
mod
=
PyImport_ImportModule
(
"_io"
);
if
(
mod
==
NULL
) {
return
NULL
;
}
PyTypeObject
*
winconsoleio_type
=
(
PyTypeObject
*
)
PyObject_GetAttrString
(
mod
,
"_WindowsConsoleIO"
);
Py_DECREF
(
mod
);
if
(
winconsoleio_type
==
NULL
) {
return
NULL
;
}
int
is_subclass
=
PyObject_TypeCheck
(
file
,
winconsoleio_type
);
Py_DECREF
(
winconsoleio_type
);
if
(!
is_subclass
) {
PyErr_SetString
(
PyExc_TypeError
,
"expected raw console object"
);
return
NULL
;
}
const
wchar_t
*
p
=
(
const
wchar_t
*
)
s
->
buf
;
DWORD
size
=
(
DWORD
)
s
->
len
/
sizeof
(
wchar_t
);
rec
=
(
INPUT_RECORD
*
)
PyMem_Calloc
(
size
,
sizeof
(
INPUT_RECORD
));
if
(!
rec
)
goto
error
;
INPUT_RECORD
*
prec
=
rec
;
for
(
DWORD
i
=
0
;
i
<
size
;
++
i
,
++
p
,
++
prec
) {
prec
->
EventType
=
KEY_EVENT
;
prec
->
Event
.
KeyEvent
.
bKeyDown
=
TRUE;
prec
->
Event
.
KeyEvent
.
wRepeatCount
=
1
;
prec
->
Event
.
KeyEvent
.
uChar
.
UnicodeChar
=
*
p
;
}
HANDLE
hInput
=
(
HANDLE
)
_get_osfhandle
(((
winconsoleio
*
)
file
)
->
fd
);
if
(
hInput
==
INVALID_HANDLE_VALUE
) {
PyErr_SetFromErrno
(
PyExc_OSError
);
goto
error
;
}
DWORD
total
=
0
;
while
(
total
<
size
) {
DWORD
wrote
;
if
(!
WriteConsoleInputW
(
hInput
,
&
rec
[
total
], (
size
-
total
),
&
wrote
)) {
PyErr_SetFromWindowsErr
(
0
);
goto
error
;
}
total
+=
wrote
;
}
PyMem_Free
((
void
*
)
rec
);
Py_RETURN_NONE
;
error
:
if
(
rec
)
PyMem_Free
((
void
*
)
rec
);
return
NULL
;
}
/*[clinic input]
_testconsole.read_output
file: object
Reads a str from the console as written to stdout.
[clinic start generated code]*/
static
PyObject
*
_testconsole_read_output_impl
(
PyObject
*
module
,
PyObject
*
file
)
/*[clinic end generated code: output=876310d81a73e6d2 input=b3521f64b1b558e3]*/
{
Py_RETURN_NONE
;
}
#include
"clinic\_testconsole.c.h"
PyMethodDef
testconsole_methods
[]
=
{
_TESTCONSOLE_WRITE_INPUT_METHODDEF
_TESTCONSOLE_READ_OUTPUT_METHODDEF
{
NULL
,
NULL
}
};
static
PyModuleDef
testconsole_def
=
{
PyModuleDef_HEAD_INIT
,
/* m_base */
"_testconsole"
,
/* m_name */
PyDoc_STR
(
"Test module for the Windows console"
),
/* m_doc */
0
,
/* m_size */
testconsole_methods
,
/* m_methods */
testconsole_slots
,
/* m_slots */
NULL
,
/* m_traverse */
NULL
,
/* m_clear */
NULL
,
/* m_free */
};
PyMODINIT_FUNC
PyInit__testconsole
(
void
)
{
return
PyModuleDef_Init
(
&
testconsole_def
);
}
#endif
/* MS_WINDOWS */
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