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Issue #1602: Windows console doesn't input or print Unicode (PEP 528) 

Closes #17602: Adds a readline implementation for the Windows console
This commit is contained in:
Steve Dower 2016-08-30 21:22:36 -07:00
parent b957b0c2bc
commit 3929499914
16 changed files with 1739 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
Doc/library/functions.rst
View File

@ -1055,30 +1055,38 @@ are always available. They are listed here in alphabetical order.
(where :func:`open` is declared), :mod:`os`, :mod:`os.path`, :mod:`tempfile`,
and :mod:`shutil`.
.. versionchanged:: 3.3
The *opener* parameter was added.
The ``'x'`` mode was added.
:exc:`IOError` used to be raised, it is now an alias of :exc:`OSError`.
:exc:`FileExistsError` is now raised if the file opened in exclusive
creation mode (``'x'``) already exists.
.. versionchanged::
3.3
.. versionchanged:: 3.4
The file is now non-inheritable.
* The *opener* parameter was added.
* The ``'x'`` mode was added.
* :exc:`IOError` used to be raised, it is now an alias of :exc:`OSError`.
* :exc:`FileExistsError` is now raised if the file opened in exclusive
* creation mode (``'x'``) already exists.
.. versionchanged::
3.4
* The file is now non-inheritable.
.. deprecated-removed:: 3.4 4.0
The ``'U'`` mode.
.. versionchanged:: 3.5
If the system call is interrupted and the signal handler does not raise an
.. versionchanged::
3.5
* If the system call is interrupted and the signal handler does not raise an
exception, the function now retries the system call instead of raising an
:exc:`InterruptedError` exception (see :pep:`475` for the rationale).
* The ``'namereplace'`` error handler was added.
.. versionchanged:: 3.5
The ``'namereplace'`` error handler was added.
.. versionchanged::
3.6
.. versionchanged:: 3.6
Support added to accept objects implementing :class:`os.PathLike`.
* Support added to accept objects implementing :class:`os.PathLike`.
* On Windows, opening a console buffer may return a subclass of
:class:`io.RawIOBase` other than :class:`io.FileIO`.
.. function:: ord(c)

17
Doc/using/cmdline.rst
View File

@ -559,6 +559,10 @@ conflict.
.. versionchanged:: 3.4
The ``encodingname`` part is now optional.
.. versionchanged:: 3.6
On Windows, the encoding specified by this variable is ignored for interactive
console buffers unless :envvar:`PYTHONLEGACYWINDOWSIOENCODING` is also specified.
Files and pipes redirected through the standard streams are not affected.
.. envvar:: PYTHONNOUSERSITE
@ -686,6 +690,19 @@ conflict.
.. versionadded:: 3.6
See :pep:`529` for more details.
.. envvar:: PYTHONLEGACYWINDOWSIOENCODING
If set to a non-empty string, does not use the new console reader and
writer. This means that Unicode characters will be encoded according to
the active console code page, rather than using utf-8.
This variable is ignored if the standard streams are redirected (to files
or pipes) rather than referring to console buffers.
Availability: Windows
.. versionadded:: 3.6
Debug-mode variables
~~~~~~~~~~~~~~~~~~~~

19
Doc/whatsnew/3.6.rst
View File

@ -78,6 +78,8 @@ Windows improvements:
* PEP 529: :ref:`Change Windows filesystem encoding to UTF-8 <pep-529>`
* PEP 528: :ref:`Change Windows console encoding to UTF-8 <pep-528>`
* The ``py.exe`` launcher, when used interactively, no longer prefers
Python 2 over Python 3 when the user doesn't specify a version (via
command line arguments or a config file). Handling of shebang lines
@ -267,6 +269,23 @@ Also see :pep:`487` and the updated class customization documentation at
(Contributed by Martin Teichmann in :issue:`27366`)
.. _pep-528:
PEP 528: Change Windows console encoding to UTF-8
-------------------------------------------------
The default console on Windows will now accept all Unicode characters and
provide correctly read str objects to Python code. ``sys.stdin``,
``sys.stdout`` and ``sys.stderr`` now default to utf-8 encoding.
This change only applies when using an interactive console, and not when
redirecting files or pipes. To revert to the previous behaviour for interactive
console use, set :envvar:`PYTHONLEGACYWINDOWSIOENCODING`.
.. seealso::
:pep:`528` -- Change Windows console encoding to UTF-8
PEP written and implemented by Steve Dower.
PYTHONMALLOC environment variable
=================================

4
Include/pydebug.h
View File

@ -24,6 +24,10 @@ PyAPI_DATA(int) Py_UnbufferedStdioFlag;
PyAPI_DATA(int) Py_HashRandomizationFlag;
PyAPI_DATA(int) Py_IsolatedFlag;
#ifdef MS_WINDOWS
PyAPI_DATA(int) Py_LegacyWindowsStdioFlag;
#endif
/* this is a wrapper around getenv() that pays attention to
Py_IgnoreEnvironmentFlag. It should be used for getting variables like
PYTHONPATH and PYTHONHOME from the environment */

7
Lib/io.py
View File

@ -90,3 +90,10 @@ for klass in (BytesIO, BufferedReader, BufferedWriter, BufferedRandom,
for klass in (StringIO, TextIOWrapper):
TextIOBase.register(klass)
del klass
try:
from _io import _WindowsConsoleIO
except ImportError:
pass
else:
RawIOBase.register(_WindowsConsoleIO)

2
Lib/test/test_os.py
View File

@ -1518,7 +1518,7 @@ class TestInvalidFD(unittest.TestCase):
singles = ["fchdir", "dup", "fdopen", "fdatasync", "fstat",
"fstatvfs", "fsync", "tcgetpgrp", "ttyname"]
#singles.append("close")
#We omit close because it doesn'r raise an exception on some platforms
#We omit close because it doesn't raise an exception on some platforms
def get_single(f):
def helper(self):
if hasattr(os, f):

72
Lib/test/test_winconsoleio.py Normal file
View File

@ -0,0 +1,72 @@
'''Tests for WindowsConsoleIO
Unfortunately, most testing requires interactive use, since we have no
API to read back from a real console, and this class is only for use
with real consoles.
Instead, we validate that basic functionality such as opening, closing
and in particular fileno() work, but are forced to leave real testing
to real people with real keyborads.
'''
import io
import unittest
import sys
if sys.platform != 'win32':
raise unittest.SkipTest("test only relevant on win32")
ConIO = io._WindowsConsoleIO
class WindowsConsoleIOTests(unittest.TestCase):
def test_abc(self):
self.assertTrue(issubclass(ConIO, io.RawIOBase))
self.assertFalse(issubclass(ConIO, io.BufferedIOBase))
self.assertFalse(issubclass(ConIO, io.TextIOBase))
def test_open_fd(self):
f = ConIO(0)
self.assertTrue(f.readable())
self.assertFalse(f.writable())
self.assertEqual(0, f.fileno())
f.close() # multiple close should not crash
f.close()
f = ConIO(1, 'w')
self.assertFalse(f.readable())
self.assertTrue(f.writable())
self.assertEqual(1, f.fileno())
f.close()
f.close()
f = ConIO(2, 'w')
self.assertFalse(f.readable())
self.assertTrue(f.writable())
self.assertEqual(2, f.fileno())
f.close()
f.close()
def test_open_name(self):
f = ConIO("CON")
self.assertTrue(f.readable())
self.assertFalse(f.writable())
self.assertIsNotNone(f.fileno())
f.close() # multiple close should not crash
f.close()
f = ConIO('CONIN$')
self.assertTrue(f.readable())
self.assertFalse(f.writable())
self.assertIsNotNone(f.fileno())
f.close()
f.close()
f = ConIO('CONOUT$', 'w')
self.assertFalse(f.readable())
self.assertTrue(f.writable())
self.assertIsNotNone(f.fileno())
f.close()
f.close()
if __name__ == "__main__":
unittest.main()

3
Misc/NEWS
View File

@ -300,6 +300,8 @@ Build
Windows
-------
- Issue #1602: Windows console doesn't input or print Unicode (PEP 528)
- Issue #27781: Change file system encoding on Windows to UTF-8 (PEP 529)
- Issue #27731: Opt-out of MAX_PATH on Windows 10
@ -556,7 +558,6 @@ Build
- Issue #10910: Avoid C++ compilation errors on FreeBSD and OS X.
Also update FreedBSD version checks for the original ctype UTF-8 workaround.
What's New in Python 3.6.0 alpha 3
==================================

22
Modules/_io/_iomodule.c
View File

@ -20,6 +20,9 @@
#include <sys/stat.h>
#endif /* HAVE_SYS_STAT_H */
#ifdef MS_WINDOWS
#include <consoleapi.h>
#endif
/* Various interned strings */
@ -52,7 +55,6 @@ PyObject *_PyIO_empty_str;
PyObject *_PyIO_empty_bytes;
PyObject *_PyIO_zero;
PyDoc_STRVAR(module_doc,
"The io module provides the Python interfaces to stream handling. The\n"
"builtin open function is defined in this module.\n"
@ -362,8 +364,18 @@ _io_open_impl(PyObject *module, PyObject *file, const char *mode,
}
/* Create the Raw file stream */
raw = PyObject_CallFunction((PyObject *)&PyFileIO_Type,
{
PyObject *RawIO_class = (PyObject *)&PyFileIO_Type;
#ifdef MS_WINDOWS
if (!Py_LegacyWindowsStdioFlag && _PyIO_get_console_type(path_or_fd) != '\0') {
RawIO_class = (PyObject *)&PyWindowsConsoleIO_Type;
encoding = "utf-8";
}
#endif
raw = PyObject_CallFunction(RawIO_class,
"OsiO", path_or_fd, rawmode, closefd, opener);
}
if (raw == NULL)
goto error;
result = raw;
@ -708,6 +720,12 @@ PyInit__io(void)
PyStringIO_Type.tp_base = &PyTextIOBase_Type;
ADD_TYPE(&PyStringIO_Type, "StringIO");
#ifdef MS_WINDOWS
/* WindowsConsoleIO */
PyWindowsConsoleIO_Type.tp_base = &PyRawIOBase_Type;
ADD_TYPE(&PyWindowsConsoleIO_Type, "_WindowsConsoleIO");
#endif
/* BufferedReader */
PyBufferedReader_Type.tp_base = &PyBufferedIOBase_Type;
ADD_TYPE(&PyBufferedReader_Type, "BufferedReader");

10
Modules/_io/_iomodule.h
View File

@ -19,6 +19,12 @@ extern PyTypeObject PyBufferedRandom_Type;
extern PyTypeObject PyTextIOWrapper_Type;
extern PyTypeObject PyIncrementalNewlineDecoder_Type;
#ifndef Py_LIMITED_API
#ifdef MS_WINDOWS
extern PyTypeObject PyWindowsConsoleIO_Type;
#define PyWindowsConsoleIO_Check(op) (PyObject_TypeCheck((op), &PyWindowsConsoleIO_Type))
#endif /* MS_WINDOWS */
#endif /* Py_LIMITED_API */
extern int _PyIO_ConvertSsize_t(PyObject *, void *);
@ -145,6 +151,10 @@ typedef struct {
extern _PyIO_State *_PyIO_get_module_state(void);
extern PyObject *_PyIO_get_locale_module(_PyIO_State *);
#ifdef MS_WINDOWS
extern char _PyIO_get_console_type(PyObject *);
#endif
extern PyObject *_PyIO_str_close;
extern PyObject *_PyIO_str_closed;
extern PyObject *_PyIO_str_decode;

331
Modules/_io/clinic/winconsoleio.c.h Normal file
View File

@ -0,0 +1,331 @@
/*[clinic input]
preserve
[clinic start generated code]*/
#if defined(MS_WINDOWS)
PyDoc_STRVAR(_io__WindowsConsoleIO_close__doc__,
"close($self, /)\n"
"--\n"
"\n"
"Close the handle.\n"
"\n"
"A closed handle cannot be used for further I/O operations. close() may be\n"
"called more than once without error.");
#define _IO__WINDOWSCONSOLEIO_CLOSE_METHODDEF \
{"close", (PyCFunction)_io__WindowsConsoleIO_close, METH_NOARGS, _io__WindowsConsoleIO_close__doc__},
static PyObject *
_io__WindowsConsoleIO_close_impl(winconsoleio *self);
static PyObject *
_io__WindowsConsoleIO_close(winconsoleio *self, PyObject *Py_UNUSED(ignored))
{
return _io__WindowsConsoleIO_close_impl(self);
}
#endif /* defined(MS_WINDOWS) */
#if defined(MS_WINDOWS)
PyDoc_STRVAR(_io__WindowsConsoleIO___init____doc__,
"_WindowsConsoleIO(file, mode=\'r\', closefd=True, opener=None)\n"
"--\n"
"\n"
"Open a console buffer by file descriptor.\n"
"\n"
"The mode can be \'rb\' (default), or \'wb\' for reading or writing bytes. All\n"
"other mode characters will be ignored. Mode \'b\' will be assumed if it is\n"
"omitted. The *opener* parameter is always ignored.");
static int
_io__WindowsConsoleIO___init___impl(winconsoleio *self, PyObject *nameobj,
const char *mode, int closefd,
PyObject *opener);
static int
_io__WindowsConsoleIO___init__(PyObject *self, PyObject *args, PyObject *kwargs)
{
int return_value = -1;
static const char * const _keywords[] = {"file", "mode", "closefd", "opener", NULL};
static _PyArg_Parser _parser = {"O|siO:_WindowsConsoleIO", _keywords, 0};
PyObject *nameobj;
const char *mode = "r";
int closefd = 1;
PyObject *opener = Py_None;
if (!_PyArg_ParseTupleAndKeywordsFast(args, kwargs, &_parser,
&nameobj, &mode, &closefd, &opener)) {
goto exit;
}
return_value = _io__WindowsConsoleIO___init___impl((winconsoleio *)self, nameobj, mode, closefd, opener);
exit:
return return_value;
}
#endif /* defined(MS_WINDOWS) */
#if defined(MS_WINDOWS)
PyDoc_STRVAR(_io__WindowsConsoleIO_fileno__doc__,
"fileno($self, /)\n"
"--\n"
"\n"
"Return the underlying file descriptor (an integer).\n"
"\n"
"fileno is only set when a file descriptor is used to open\n"
"one of the standard streams.");
#define _IO__WINDOWSCONSOLEIO_FILENO_METHODDEF \
{"fileno", (PyCFunction)_io__WindowsConsoleIO_fileno, METH_NOARGS, _io__WindowsConsoleIO_fileno__doc__},
static PyObject *
_io__WindowsConsoleIO_fileno_impl(winconsoleio *self);
static PyObject *
_io__WindowsConsoleIO_fileno(winconsoleio *self, PyObject *Py_UNUSED(ignored))
{
return _io__WindowsConsoleIO_fileno_impl(self);
}
#endif /* defined(MS_WINDOWS) */
#if defined(MS_WINDOWS)
PyDoc_STRVAR(_io__WindowsConsoleIO_readable__doc__,
"readable($self, /)\n"
"--\n"
"\n"
"True if console is an input buffer.");
#define _IO__WINDOWSCONSOLEIO_READABLE_METHODDEF \
{"readable", (PyCFunction)_io__WindowsConsoleIO_readable, METH_NOARGS, _io__WindowsConsoleIO_readable__doc__},
static PyObject *
_io__WindowsConsoleIO_readable_impl(winconsoleio *self);
static PyObject *
_io__WindowsConsoleIO_readable(winconsoleio *self, PyObject *Py_UNUSED(ignored))
{
return _io__WindowsConsoleIO_readable_impl(self);
}
#endif /* defined(MS_WINDOWS) */
#if defined(MS_WINDOWS)
PyDoc_STRVAR(_io__WindowsConsoleIO_writable__doc__,
"writable($self, /)\n"
"--\n"
"\n"
"True if console is an output buffer.");
#define _IO__WINDOWSCONSOLEIO_WRITABLE_METHODDEF \
{"writable", (PyCFunction)_io__WindowsConsoleIO_writable, METH_NOARGS, _io__WindowsConsoleIO_writable__doc__},
static PyObject *
_io__WindowsConsoleIO_writable_impl(winconsoleio *self);
static PyObject *
_io__WindowsConsoleIO_writable(winconsoleio *self, PyObject *Py_UNUSED(ignored))
{
return _io__WindowsConsoleIO_writable_impl(self);
}
#endif /* defined(MS_WINDOWS) */
#if defined(MS_WINDOWS)
PyDoc_STRVAR(_io__WindowsConsoleIO_readinto__doc__,
"readinto($self, buffer, /)\n"
"--\n"
"\n"
"Same as RawIOBase.readinto().");
#define _IO__WINDOWSCONSOLEIO_READINTO_METHODDEF \
{"readinto", (PyCFunction)_io__WindowsConsoleIO_readinto, METH_O, _io__WindowsConsoleIO_readinto__doc__},
static PyObject *
_io__WindowsConsoleIO_readinto_impl(winconsoleio *self, Py_buffer *buffer);
static PyObject *
_io__WindowsConsoleIO_readinto(winconsoleio *self, PyObject *arg)
{
PyObject *return_value = NULL;
Py_buffer buffer = {NULL, NULL};
if (!PyArg_Parse(arg, "w*:readinto", &buffer)) {
goto exit;
}
return_value = _io__WindowsConsoleIO_readinto_impl(self, &buffer);
exit:
/* Cleanup for buffer */
if (buffer.obj) {
PyBuffer_Release(&buffer);
}
return return_value;
}
#endif /* defined(MS_WINDOWS) */
#if defined(MS_WINDOWS)
PyDoc_STRVAR(_io__WindowsConsoleIO_readall__doc__,
"readall($self, /)\n"
"--\n"
"\n"
"Read all data from the console, returned as bytes.\n"
"\n"
"Return an empty bytes object at EOF.");
#define _IO__WINDOWSCONSOLEIO_READALL_METHODDEF \
{"readall", (PyCFunction)_io__WindowsConsoleIO_readall, METH_NOARGS, _io__WindowsConsoleIO_readall__doc__},
static PyObject *
_io__WindowsConsoleIO_readall_impl(winconsoleio *self);
static PyObject *
_io__WindowsConsoleIO_readall(winconsoleio *self, PyObject *Py_UNUSED(ignored))
{
return _io__WindowsConsoleIO_readall_impl(self);
}
#endif /* defined(MS_WINDOWS) */
#if defined(MS_WINDOWS)
PyDoc_STRVAR(_io__WindowsConsoleIO_read__doc__,
"read($self, size=-1, /)\n"
"--\n"
"\n"
"Read at most size bytes, returned as bytes.\n"
"\n"
"Only makes one system call when size is a positive integer,\n"
"so less data may be returned than requested.\n"
"Return an empty bytes object at EOF.");
#define _IO__WINDOWSCONSOLEIO_READ_METHODDEF \
{"read", (PyCFunction)_io__WindowsConsoleIO_read, METH_VARARGS, _io__WindowsConsoleIO_read__doc__},
static PyObject *
_io__WindowsConsoleIO_read_impl(winconsoleio *self, Py_ssize_t size);
static PyObject *
_io__WindowsConsoleIO_read(winconsoleio *self, PyObject *args)
{
PyObject *return_value = NULL;
Py_ssize_t size = -1;
if (!PyArg_ParseTuple(args, "|O&:read",
_PyIO_ConvertSsize_t, &size)) {
goto exit;
}
return_value = _io__WindowsConsoleIO_read_impl(self, size);
exit:
return return_value;
}
#endif /* defined(MS_WINDOWS) */
#if defined(MS_WINDOWS)
PyDoc_STRVAR(_io__WindowsConsoleIO_write__doc__,
"write($self, b, /)\n"
"--\n"
"\n"
"Write buffer b to file, return number of bytes written.\n"
"\n"
"Only makes one system call, so not all of the data may be written.\n"
"The number of bytes actually written is returned.");
#define _IO__WINDOWSCONSOLEIO_WRITE_METHODDEF \
{"write", (PyCFunction)_io__WindowsConsoleIO_write, METH_O, _io__WindowsConsoleIO_write__doc__},
static PyObject *
_io__WindowsConsoleIO_write_impl(winconsoleio *self, Py_buffer *b);
static PyObject *
_io__WindowsConsoleIO_write(winconsoleio *self, PyObject *arg)
{
PyObject *return_value = NULL;
Py_buffer b = {NULL, NULL};
if (!PyArg_Parse(arg, "y*:write", &b)) {
goto exit;
}
return_value = _io__WindowsConsoleIO_write_impl(self, &b);
exit:
/* Cleanup for b */
if (b.obj) {
PyBuffer_Release(&b);
}
return return_value;
}
#endif /* defined(MS_WINDOWS) */
#if defined(MS_WINDOWS)
PyDoc_STRVAR(_io__WindowsConsoleIO_isatty__doc__,
"isatty($self, /)\n"
"--\n"
"\n"
"Always True.");
#define _IO__WINDOWSCONSOLEIO_ISATTY_METHODDEF \
{"isatty", (PyCFunction)_io__WindowsConsoleIO_isatty, METH_NOARGS, _io__WindowsConsoleIO_isatty__doc__},
static PyObject *
_io__WindowsConsoleIO_isatty_impl(winconsoleio *self);
static PyObject *
_io__WindowsConsoleIO_isatty(winconsoleio *self, PyObject *Py_UNUSED(ignored))
{
return _io__WindowsConsoleIO_isatty_impl(self);
}
#endif /* defined(MS_WINDOWS) */
#ifndef _IO__WINDOWSCONSOLEIO_CLOSE_METHODDEF
#define _IO__WINDOWSCONSOLEIO_CLOSE_METHODDEF
#endif /* !defined(_IO__WINDOWSCONSOLEIO_CLOSE_METHODDEF) */
#ifndef _IO__WINDOWSCONSOLEIO_FILENO_METHODDEF
#define _IO__WINDOWSCONSOLEIO_FILENO_METHODDEF
#endif /* !defined(_IO__WINDOWSCONSOLEIO_FILENO_METHODDEF) */
#ifndef _IO__WINDOWSCONSOLEIO_READABLE_METHODDEF
#define _IO__WINDOWSCONSOLEIO_READABLE_METHODDEF
#endif /* !defined(_IO__WINDOWSCONSOLEIO_READABLE_METHODDEF) */
#ifndef _IO__WINDOWSCONSOLEIO_WRITABLE_METHODDEF
#define _IO__WINDOWSCONSOLEIO_WRITABLE_METHODDEF
#endif /* !defined(_IO__WINDOWSCONSOLEIO_WRITABLE_METHODDEF) */
#ifndef _IO__WINDOWSCONSOLEIO_READINTO_METHODDEF
#define _IO__WINDOWSCONSOLEIO_READINTO_METHODDEF
#endif /* !defined(_IO__WINDOWSCONSOLEIO_READINTO_METHODDEF) */
#ifndef _IO__WINDOWSCONSOLEIO_READALL_METHODDEF
#define _IO__WINDOWSCONSOLEIO_READALL_METHODDEF
#endif /* !defined(_IO__WINDOWSCONSOLEIO_READALL_METHODDEF) */
#ifndef _IO__WINDOWSCONSOLEIO_READ_METHODDEF
#define _IO__WINDOWSCONSOLEIO_READ_METHODDEF
#endif /* !defined(_IO__WINDOWSCONSOLEIO_READ_METHODDEF) */
#ifndef _IO__WINDOWSCONSOLEIO_WRITE_METHODDEF
#define _IO__WINDOWSCONSOLEIO_WRITE_METHODDEF
#endif /* !defined(_IO__WINDOWSCONSOLEIO_WRITE_METHODDEF) */
#ifndef _IO__WINDOWSCONSOLEIO_ISATTY_METHODDEF
#define _IO__WINDOWSCONSOLEIO_ISATTY_METHODDEF
#endif /* !defined(_IO__WINDOWSCONSOLEIO_ISATTY_METHODDEF) */
/*[clinic end generated code: output=9eba916f8537fff7 input=a9049054013a1b77]*/

1096
Modules/_io/winconsoleio.c Normal file
View File

File diff suppressed because it is too large Load Diff

1
PCbuild/pythoncore.vcxproj
View File

@ -270,6 +270,7 @@
<ClCompile Include="..\Modules\_io\bufferedio.c" />
<ClCompile Include="..\Modules\_io\iobase.c" />
<ClCompile Include="..\Modules\_io\textio.c" />
<ClCompile Include="..\Modules\_io\winconsoleio.c" />
<ClCompile Include="..\Modules\_io\_iomodule.c" />
<ClCompile Include="..\Modules\zlib\adler32.c" />
<ClCompile Include="..\Modules\zlib\compress.c" />

3
PCbuild/pythoncore.vcxproj.filters
View File

@ -605,6 +605,9 @@
<ClCompile Include="..\Modules\_io\textio.c">
<Filter>Modules\_io</Filter>
</ClCompile>
<ClCompile Include="..\Modules\_io\winconsoleio.c">
<Filter>Modules\_io</Filter>
</ClCompile>
<ClCompile Include="..\Modules\_io\_iomodule.c">
<Filter>Modules\_io</Filter>
</ClCompile>

113
Parser/myreadline.c
View File

@ -98,6 +98,100 @@ my_fgets(char *buf, int len, FILE *fp)
/* NOTREACHED */
}
#ifdef MS_WINDOWS
/* Readline implementation using ReadConsoleW */
extern char _get_console_type(HANDLE handle);
char *
_PyOS_WindowsConsoleReadline(HANDLE hStdIn)
{
static wchar_t wbuf_local[1024 * 16];
const DWORD chunk_size = 1024;
DWORD n_read, total_read, wbuflen, u8len;
wchar_t *wbuf;
char *buf = NULL;
int err = 0;
n_read = 0;
total_read = 0;
wbuf = wbuf_local;
wbuflen = sizeof(wbuf_local) / sizeof(wbuf_local[0]) - 1;
while (1) {
if (!ReadConsoleW(hStdIn, &wbuf[total_read], wbuflen - total_read, &n_read, NULL)) {
err = GetLastError();
goto exit;
}
if (n_read == 0) {
int s;
err = GetLastError();
if (err != ERROR_OPERATION_ABORTED)
goto exit;
err = 0;
HANDLE hInterruptEvent = _PyOS_SigintEvent();
if (WaitForSingleObjectEx(hInterruptEvent, 100, FALSE)
== WAIT_OBJECT_0) {
ResetEvent(hInterruptEvent);
#ifdef WITH_THREAD
PyEval_RestoreThread(_PyOS_ReadlineTState);
#endif
s = PyErr_CheckSignals();
#ifdef WITH_THREAD
PyEval_SaveThread();
#endif
if (s < 0)
goto exit;
}
break;
}
total_read += n_read;
if (total_read == 0 || wbuf[total_read - 1] == L'\n') {
break;
}
wbuflen += chunk_size;
if (wbuf == wbuf_local) {
wbuf[total_read] = '\0';
wbuf = (wchar_t*)PyMem_RawMalloc(wbuflen * sizeof(wchar_t));
if (wbuf)
wcscpy_s(wbuf, wbuflen, wbuf_local);
}
else
wbuf = (wchar_t*)PyMem_RawRealloc(wbuf, wbuflen * sizeof(wchar_t));
}
if (wbuf[0] == '\x1a') {
buf = PyMem_RawMalloc(1);
if (buf)
buf[0] = '\0';
goto exit;
}
u8len = WideCharToMultiByte(CP_UTF8, 0, wbuf, total_read, NULL, 0, NULL, NULL);
buf = PyMem_RawMalloc(u8len + 1);
u8len = WideCharToMultiByte(CP_UTF8, 0, wbuf, total_read, buf, u8len, NULL, NULL);
buf[u8len] = '\0';
exit:
if (wbuf != wbuf_local)
PyMem_RawFree(wbuf);
if (err) {
#ifdef WITH_THREAD
PyEval_RestoreThread(_PyOS_ReadlineTState);
#endif
PyErr_SetFromWindowsErr(err);
#ifdef WITH_THREAD
PyEval_SaveThread();
#endif
}
return buf;
}
#endif
/* Readline implementation using fgets() */
@ -107,6 +201,25 @@ PyOS_StdioReadline(FILE *sys_stdin, FILE *sys_stdout, const char *prompt)
size_t n;
char *p, *pr;
#ifdef MS_WINDOWS
if (!Py_LegacyWindowsStdioFlag && sys_stdin == stdin) {
HANDLE hStdIn;
_Py_BEGIN_SUPPRESS_IPH
hStdIn = (HANDLE)_get_osfhandle(fileno(sys_stdin));
_Py_END_SUPPRESS_IPH
if (_get_console_type(hStdIn) == 'r') {
fflush(sys_stdout);
if (prompt)
fprintf(stderr, "%s", prompt);
fflush(stderr);
clearerr(sys_stdin);
return _PyOS_WindowsConsoleReadline(hStdIn);
}
}
#endif
n = 100;
p = (char *)PyMem_RawMalloc(n);
if (p == NULL)

18
Python/pylifecycle.c
View File

@ -31,6 +31,9 @@
#ifdef MS_WINDOWS
#undef BYTE
#include "windows.h"
extern PyTypeObject PyWindowsConsoleIO_Type;
#define PyWindowsConsoleIO_Check(op) (PyObject_TypeCheck((op), &PyWindowsConsoleIO_Type))
#endif
_Py_IDENTIFIER(flush);
@ -92,6 +95,7 @@ int Py_HashRandomizationFlag = 0; /* for -R and PYTHONHASHSEED */
int Py_IsolatedFlag = 0; /* for -I, isolate from user's env */
#ifdef MS_WINDOWS
int Py_LegacyWindowsFSEncodingFlag = 0; /* Uses mbcs instead of utf-8 */
int Py_LegacyWindowsStdioFlag = 0; /* Uses FileIO instead of WindowsConsoleIO */
#endif
PyThreadState *_Py_Finalizing = NULL;
@ -154,6 +158,12 @@ Py_SetStandardStreamEncoding(const char *encoding, const char *errors)
return -3;
}
}
#ifdef MS_WINDOWS
if (_Py_StandardStreamEncoding) {
/* Overriding the stream encoding implies legacy streams */
Py_LegacyWindowsStdioFlag = 1;
}
#endif
return 0;
}
@ -327,6 +337,8 @@ _Py_InitializeEx_Private(int install_sigs, int install_importlib)
#ifdef MS_WINDOWS
if ((p = Py_GETENV("PYTHONLEGACYWINDOWSFSENCODING")) && *p != '\0')
Py_LegacyWindowsFSEncodingFlag = add_flag(Py_LegacyWindowsFSEncodingFlag, p);
if ((p = Py_GETENV("PYTHONLEGACYWINDOWSSTDIO")) && *p != '\0')
Py_LegacyWindowsStdioFlag = add_flag(Py_LegacyWindowsStdioFlag, p);
#endif
_PyRandom_Init();
@ -1089,6 +1101,12 @@ create_stdio(PyObject* io,
Py_INCREF(raw);
}
#ifdef MS_WINDOWS
/* Windows console IO is always UTF-8 encoded */
if (PyWindowsConsoleIO_Check(raw))
encoding = "utf-8";
#endif
text = PyUnicode_FromString(name);
if (text == NULL || _PyObject_SetAttrId(raw, &PyId_name, text) < 0)
goto error;