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-rw-r--r--Python/sysmodule.c282
1 files changed, 204 insertions, 78 deletions
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index 8d7e05a..b7afe93 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -20,6 +20,7 @@ Data members:
#include "pythread.h"
#include "osdefs.h"
+#include <locale.h>
#ifdef MS_WINDOWS
#define WIN32_LEAN_AND_MEAN
@@ -33,7 +34,6 @@ extern const char *PyWin_DLLVersionString;
#endif
#ifdef HAVE_LANGINFO_H
-#include <locale.h>
#include <langinfo.h>
#endif
@@ -311,6 +311,23 @@ operating system filenames."
);
static PyObject *
+sys_getfilesystemencodeerrors(PyObject *self)
+{
+ if (Py_FileSystemDefaultEncodeErrors)
+ return PyUnicode_FromString(Py_FileSystemDefaultEncodeErrors);
+ PyErr_SetString(PyExc_RuntimeError,
+ "filesystem encoding is not initialized");
+ return NULL;
+}
+
+PyDoc_STRVAR(getfilesystemencodeerrors_doc,
+ "getfilesystemencodeerrors() -> string\n\
+\n\
+Return the error mode used to convert Unicode filenames in\n\
+operating system filenames."
+);
+
+static PyObject *
sys_intern(PyObject *self, PyObject *args)
{
PyObject *s;
@@ -346,8 +363,10 @@ static PyObject *whatstrings[7] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL};
static int
trace_init(void)
{
- static char *whatnames[7] = {"call", "exception", "line", "return",
- "c_call", "c_exception", "c_return"};
+ static const char * const whatnames[7] = {
+ "call", "exception", "line", "return",
+ "c_call", "c_exception", "c_return"
+ };
PyObject *name;
int i;
for (i = 0; i < 7; ++i) {
@@ -366,34 +385,25 @@ static PyObject *
call_trampoline(PyObject* callback,
PyFrameObject *frame, int what, PyObject *arg)
{
- PyObject *args;
- PyObject *whatstr;
PyObject *result;
+ PyObject *stack[3];
- args = PyTuple_New(3);
- if (args == NULL)
- return NULL;
- if (PyFrame_FastToLocalsWithError(frame) < 0)
+ if (PyFrame_FastToLocalsWithError(frame) < 0) {
return NULL;
+ }
- Py_INCREF(frame);
- whatstr = whatstrings[what];
- Py_INCREF(whatstr);
- if (arg == NULL)
- arg = Py_None;
- Py_INCREF(arg);
- PyTuple_SET_ITEM(args, 0, (PyObject *)frame);
- PyTuple_SET_ITEM(args, 1, whatstr);
- PyTuple_SET_ITEM(args, 2, arg);
+ stack[0] = (PyObject *)frame;
+ stack[1] = whatstrings[what];
+ stack[2] = (arg != NULL) ? arg : Py_None;
/* call the Python-level function */
- result = PyEval_CallObject(callback, args);
+ result = _PyObject_FastCall(callback, stack, 3);
+
PyFrame_LocalsToFast(frame, 1);
- if (result == NULL)
+ if (result == NULL) {
PyTraceBack_Here(frame);
+ }
- /* cleanup */
- Py_DECREF(args);
return result;
}
@@ -434,10 +444,7 @@ trace_trampoline(PyObject *self, PyFrameObject *frame,
return -1;
}
if (result != Py_None) {
- PyObject *temp = frame->f_trace;
- frame->f_trace = NULL;
- Py_XDECREF(temp);
- frame->f_trace = result;
+ Py_XSETREF(frame->f_trace, result);
}
else {
Py_DECREF(result);
@@ -602,33 +609,6 @@ PyDoc_STRVAR(getswitchinterval_doc,
#endif /* WITH_THREAD */
-#ifdef WITH_TSC
-static PyObject *
-sys_settscdump(PyObject *self, PyObject *args)
-{
- int bool;
- PyThreadState *tstate = PyThreadState_Get();
-
- if (!PyArg_ParseTuple(args, "i:settscdump", &bool))
- return NULL;
- if (bool)
- tstate->interp->tscdump = 1;
- else
- tstate->interp->tscdump = 0;
- Py_INCREF(Py_None);
- return Py_None;
-
-}
-
-PyDoc_STRVAR(settscdump_doc,
-"settscdump(bool)\n\
-\n\
-If true, tell the Python interpreter to dump VM measurements to\n\
-stderr. If false, turn off dump. The measurements are based on the\n\
-processor's time-stamp counter."
-);
-#endif /* TSC */
-
static PyObject *
sys_setrecursionlimit(PyObject *self, PyObject *args)
{
@@ -710,6 +690,113 @@ Return the wrapper for coroutine objects set by sys.set_coroutine_wrapper."
);
+static PyTypeObject AsyncGenHooksType;
+
+PyDoc_STRVAR(asyncgen_hooks_doc,
+"asyncgen_hooks\n\
+\n\
+A struct sequence providing information about asynhronous\n\
+generators hooks. The attributes are read only.");
+
+static PyStructSequence_Field asyncgen_hooks_fields[] = {
+ {"firstiter", "Hook to intercept first iteration"},
+ {"finalizer", "Hook to intercept finalization"},
+ {0}
+};
+
+static PyStructSequence_Desc asyncgen_hooks_desc = {
+ "asyncgen_hooks", /* name */
+ asyncgen_hooks_doc, /* doc */
+ asyncgen_hooks_fields , /* fields */
+ 2
+};
+
+
+static PyObject *
+sys_set_asyncgen_hooks(PyObject *self, PyObject *args, PyObject *kw)
+{
+ static char *keywords[] = {"firstiter", "finalizer", NULL};
+ PyObject *firstiter = NULL;
+ PyObject *finalizer = NULL;
+
+ if (!PyArg_ParseTupleAndKeywords(
+ args, kw, "|OO", keywords,
+ &firstiter, &finalizer)) {
+ return NULL;
+ }
+
+ if (finalizer && finalizer != Py_None) {
+ if (!PyCallable_Check(finalizer)) {
+ PyErr_Format(PyExc_TypeError,
+ "callable finalizer expected, got %.50s",
+ Py_TYPE(finalizer)->tp_name);
+ return NULL;
+ }
+ _PyEval_SetAsyncGenFinalizer(finalizer);
+ }
+ else if (finalizer == Py_None) {
+ _PyEval_SetAsyncGenFinalizer(NULL);
+ }
+
+ if (firstiter && firstiter != Py_None) {
+ if (!PyCallable_Check(firstiter)) {
+ PyErr_Format(PyExc_TypeError,
+ "callable firstiter expected, got %.50s",
+ Py_TYPE(firstiter)->tp_name);
+ return NULL;
+ }
+ _PyEval_SetAsyncGenFirstiter(firstiter);
+ }
+ else if (firstiter == Py_None) {
+ _PyEval_SetAsyncGenFirstiter(NULL);
+ }
+
+ Py_RETURN_NONE;
+}
+
+PyDoc_STRVAR(set_asyncgen_hooks_doc,
+"set_asyncgen_hooks(*, firstiter=None, finalizer=None)\n\
+\n\
+Set a finalizer for async generators objects."
+);
+
+static PyObject *
+sys_get_asyncgen_hooks(PyObject *self, PyObject *args)
+{
+ PyObject *res;
+ PyObject *firstiter = _PyEval_GetAsyncGenFirstiter();
+ PyObject *finalizer = _PyEval_GetAsyncGenFinalizer();
+
+ res = PyStructSequence_New(&AsyncGenHooksType);
+ if (res == NULL) {
+ return NULL;
+ }
+
+ if (firstiter == NULL) {
+ firstiter = Py_None;
+ }
+
+ if (finalizer == NULL) {
+ finalizer = Py_None;
+ }
+
+ Py_INCREF(firstiter);
+ PyStructSequence_SET_ITEM(res, 0, firstiter);
+
+ Py_INCREF(finalizer);
+ PyStructSequence_SET_ITEM(res, 1, finalizer);
+
+ return res;
+}
+
+PyDoc_STRVAR(get_asyncgen_hooks_doc,
+"get_asyncgen_hooks()\n\
+\n\
+Return a namedtuple of installed asynchronous generators hooks \
+(firstiter, finalizer)."
+);
+
+
static PyTypeObject Hash_InfoType;
PyDoc_STRVAR(hash_info_doc,
@@ -876,6 +963,24 @@ sys_getwindowsversion(PyObject *self)
#pragma warning(pop)
+PyDoc_STRVAR(enablelegacywindowsfsencoding_doc,
+"_enablelegacywindowsfsencoding()\n\
+\n\
+Changes the default filesystem encoding to mbcs:replace for consistency\n\
+with earlier versions of Python. See PEP 529 for more information.\n\
+\n\
+This is equivalent to defining the PYTHONLEGACYWINDOWSFSENCODING \n\
+environment variable before launching Python."
+);
+
+static PyObject *
+sys_enablelegacywindowsfsencoding(PyObject *self)
+{
+ Py_FileSystemDefaultEncoding = "mbcs";
+ Py_FileSystemDefaultEncodeErrors = "replace";
+ Py_RETURN_NONE;
+}
+
#endif /* MS_WINDOWS */
#ifdef HAVE_DLOPEN
@@ -1152,8 +1257,10 @@ static PyObject *
sys_debugmallocstats(PyObject *self, PyObject *args)
{
#ifdef WITH_PYMALLOC
- _PyObject_DebugMallocStats(stderr);
- fputc('\n', stderr);
+ if (_PyMem_PymallocEnabled()) {
+ _PyObject_DebugMallocStats(stderr);
+ fputc('\n', stderr);
+ }
#endif
_PyObject_DebugTypeStats(stderr);
@@ -1233,6 +1340,8 @@ static PyMethodDef sys_methods[] = {
#endif
{"getfilesystemencoding", (PyCFunction)sys_getfilesystemencoding,
METH_NOARGS, getfilesystemencoding_doc},
+ { "getfilesystemencodeerrors", (PyCFunction)sys_getfilesystemencodeerrors,
+ METH_NOARGS, getfilesystemencodeerrors_doc },
#ifdef Py_TRACE_REFS
{"getobjects", _Py_GetObjects, METH_VARARGS},
#endif
@@ -1248,6 +1357,8 @@ static PyMethodDef sys_methods[] = {
#ifdef MS_WINDOWS
{"getwindowsversion", (PyCFunction)sys_getwindowsversion, METH_NOARGS,
getwindowsversion_doc},
+ {"_enablelegacywindowsfsencoding", (PyCFunction)sys_enablelegacywindowsfsencoding,
+ METH_NOARGS, enablelegacywindowsfsencoding_doc },
#endif /* MS_WINDOWS */
{"intern", sys_intern, METH_VARARGS, intern_doc},
{"is_finalizing", sys_is_finalizing, METH_NOARGS, is_finalizing_doc},
@@ -1272,9 +1383,6 @@ static PyMethodDef sys_methods[] = {
{"getprofile", sys_getprofile, METH_NOARGS, getprofile_doc},
{"setrecursionlimit", sys_setrecursionlimit, METH_VARARGS,
setrecursionlimit_doc},
-#ifdef WITH_TSC
- {"settscdump", sys_settscdump, METH_VARARGS, settscdump_doc},
-#endif
{"settrace", sys_settrace, METH_O, settrace_doc},
{"gettrace", sys_gettrace, METH_NOARGS, gettrace_doc},
{"call_tracing", sys_call_tracing, METH_VARARGS, call_tracing_doc},
@@ -1284,6 +1392,10 @@ static PyMethodDef sys_methods[] = {
set_coroutine_wrapper_doc},
{"get_coroutine_wrapper", sys_get_coroutine_wrapper, METH_NOARGS,
get_coroutine_wrapper_doc},
+ {"set_asyncgen_hooks", (PyCFunction)sys_set_asyncgen_hooks,
+ METH_VARARGS | METH_KEYWORDS, set_asyncgen_hooks_doc},
+ {"get_asyncgen_hooks", sys_get_asyncgen_hooks, METH_NOARGS,
+ get_asyncgen_hooks_doc},
{NULL, NULL} /* sentinel */
};
@@ -1464,14 +1576,21 @@ version -- the version of this interpreter as a string\n\
version_info -- version information as a named tuple\n\
"
)
-#ifdef MS_WINDOWS
+#ifdef MS_COREDLL
/* concatenating string here */
PyDoc_STR(
"dllhandle -- [Windows only] integer handle of the Python DLL\n\
winver -- [Windows only] version number of the Python DLL\n\
"
)
-#endif /* MS_WINDOWS */
+#endif /* MS_COREDLL */
+#ifdef MS_WINDOWS
+/* concatenating string here */
+PyDoc_STR(
+"_enablelegacywindowsfsencoding -- [Windows only] \n\
+"
+)
+#endif
PyDoc_STR(
"__stdin__ -- the original stdin; don't touch!\n\
__stdout__ -- the original stdout; don't touch!\n\
@@ -1643,15 +1762,11 @@ make_version_info(void)
/* sys.implementation values */
#define NAME "cpython"
const char *_PySys_ImplName = NAME;
-#define QUOTE(arg) #arg
-#define STRIFY(name) QUOTE(name)
-#define MAJOR STRIFY(PY_MAJOR_VERSION)
-#define MINOR STRIFY(PY_MINOR_VERSION)
+#define MAJOR Py_STRINGIFY(PY_MAJOR_VERSION)
+#define MINOR Py_STRINGIFY(PY_MINOR_VERSION)
#define TAG NAME "-" MAJOR MINOR
const char *_PySys_ImplCacheTag = TAG;
#undef NAME
-#undef QUOTE
-#undef STRIFY
#undef MAJOR
#undef MINOR
#undef TAG
@@ -1696,6 +1811,16 @@ make_impl_info(PyObject *version_info)
if (res < 0)
goto error;
+#ifdef MULTIARCH
+ value = PyUnicode_FromString(MULTIARCH);
+ if (value == NULL)
+ goto error;
+ res = PyDict_SetItemString(impl_info, "_multiarch", value);
+ Py_DECREF(value);
+ if (res < 0)
+ goto error;
+#endif
+
/* dict ready */
ns = _PyNamespace_New(impl_info);
@@ -1906,6 +2031,14 @@ _PySys_Init(void)
SET_SYS_FROM_STRING("thread_info", PyThread_GetInfo());
#endif
+ /* initialize asyncgen_hooks */
+ if (AsyncGenHooksType.tp_name == NULL) {
+ if (PyStructSequence_InitType2(
+ &AsyncGenHooksType, &asyncgen_hooks_desc) < 0) {
+ return NULL;
+ }
+ }
+
#undef SET_SYS_FROM_STRING
#undef SET_SYS_FROM_STRING_BORROW
if (PyErr_Occurred())
@@ -2002,7 +2135,7 @@ sys_update_path(int argc, wchar_t **argv)
#endif
#if defined(HAVE_REALPATH)
wchar_t fullpath[MAXPATHLEN];
-#elif defined(MS_WINDOWS) && !defined(MS_WINCE)
+#elif defined(MS_WINDOWS)
wchar_t fullpath[MAX_PATH];
#endif
@@ -2041,10 +2174,8 @@ sys_update_path(int argc, wchar_t **argv)
#if SEP == '\\' /* Special case for MS filename syntax */
if (_HAVE_SCRIPT_ARGUMENT(argc, argv)) {
wchar_t *q;
-#if defined(MS_WINDOWS) && !defined(MS_WINCE)
- /* This code here replaces the first element in argv with the full
- path that it represents. Under CE, there are no relative paths so
- the argument must be the full path anyway. */
+#if defined(MS_WINDOWS)
+ /* Replace the first element in argv with the full path. */
wchar_t *ptemp;
if (GetFullPathNameW(argv0,
Py_ARRAY_LENGTH(fullpath),
@@ -2114,7 +2245,7 @@ PySys_SetArgv(int argc, wchar_t **argv)
static int
sys_pyfile_write_unicode(PyObject *unicode, PyObject *file)
{
- PyObject *writer = NULL, *args = NULL, *result = NULL;
+ PyObject *writer = NULL, *result = NULL;
int err;
if (file == NULL)
@@ -2124,11 +2255,7 @@ sys_pyfile_write_unicode(PyObject *unicode, PyObject *file)
if (writer == NULL)
goto error;
- args = PyTuple_Pack(1, unicode);
- if (args == NULL)
- goto error;
-
- result = PyEval_CallObject(writer, args);
+ result = _PyObject_CallArg1(writer, unicode);
if (result == NULL) {
goto error;
} else {
@@ -2140,7 +2267,6 @@ error:
err = -1;
finally:
Py_XDECREF(writer);
- Py_XDECREF(args);
Py_XDECREF(result);
return err;
}
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