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_testconsole.c
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137 lines (108 loc) · 3.42 KB
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/* Testing module for multi-phase initialization of extension modules (PEP 489)
*/
#ifndef Py_BUILD_CORE_BUILTIN
# define Py_BUILD_CORE_MODULE 1
#endif
#include "Python.h"
#ifdef MS_WINDOWS
#include "pycore_fileutils.h" // _Py_get_osfhandle()
#include "..\modules\_io\_iomodule.h"
#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},
{0, NULL},
};
/*[clinic input]
module _testconsole
_testconsole.write_input
file: object
s: PyBytesObject
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,
PyBytesObject *s)
/*[clinic end generated code: output=48f9563db34aedb3 input=4c774f2d05770bc6]*/
{
INPUT_RECORD *rec = NULL;
if (!PyWindowsConsoleIO_Check(file)) {
PyErr_SetString(PyExc_TypeError, "expected raw console object");
return NULL;
}
const wchar_t *p = (const wchar_t *)PyBytes_AS_STRING(s);
DWORD size = (DWORD)PyBytes_GET_SIZE(s) / 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 = _Py_get_osfhandle(((winconsoleio*)file)->fd);
if (hInput == INVALID_HANDLE_VALUE)
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(PyObject *spec)
{
return PyModuleDef_Init(&testconsole_def);
}
#endif /* MS_WINDOWS */