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-rw-r--r--Python/sysmodule.c211
1 files changed, 137 insertions, 74 deletions
diff --git a/Python/sysmodule.c b/Python/sysmodule.c
index c4f27d0..20bfa55 100644
--- a/Python/sysmodule.c
+++ b/Python/sysmodule.c
@@ -17,6 +17,7 @@ Data members:
#include "Python.h"
#include "code.h"
#include "frameobject.h"
+#include "pythread.h"
#include "osdefs.h"
@@ -78,8 +79,10 @@ sys_displayhook_unencodable(PyObject *outf, PyObject *o)
PyObject *encoded, *escaped_str, *repr_str, *buffer, *result;
char *stdout_encoding_str;
int ret;
+ _Py_IDENTIFIER(encoding);
+ _Py_IDENTIFIER(buffer);
- stdout_encoding = PyObject_GetAttrString(outf, "encoding");
+ stdout_encoding = _PyObject_GetAttrId(outf, &PyId_encoding);
if (stdout_encoding == NULL)
goto error;
stdout_encoding_str = _PyUnicode_AsString(stdout_encoding);
@@ -96,9 +99,10 @@ sys_displayhook_unencodable(PyObject *outf, PyObject *o)
if (encoded == NULL)
goto error;
- buffer = PyObject_GetAttrString(outf, "buffer");
+ buffer = _PyObject_GetAttrId(outf, &PyId_buffer);
if (buffer) {
- result = PyObject_CallMethod(buffer, "write", "(O)", encoded);
+ _Py_IDENTIFIER(write);
+ result = _PyObject_CallMethodId(buffer, &PyId_write, "(O)", encoded);
Py_DECREF(buffer);
Py_DECREF(encoded);
if (result == NULL)
@@ -135,6 +139,7 @@ sys_displayhook(PyObject *self, PyObject *o)
PyObject *modules = interp->modules;
PyObject *builtins = PyDict_GetItemString(modules, "builtins");
int err;
+ _Py_IDENTIFIER(_);
if (builtins == NULL) {
PyErr_SetString(PyExc_RuntimeError, "lost builtins module");
@@ -148,7 +153,7 @@ sys_displayhook(PyObject *self, PyObject *o)
Py_INCREF(Py_None);
return Py_None;
}
- if (PyObject_SetAttrString(builtins, "_", Py_None) != 0)
+ if (_PyObject_SetAttrId(builtins, &PyId__, Py_None) != 0)
return NULL;
outf = PySys_GetObject("stdout");
if (outf == NULL || outf == Py_None) {
@@ -170,7 +175,7 @@ sys_displayhook(PyObject *self, PyObject *o)
}
if (PyFile_WriteString("\n", outf) != 0)
return NULL;
- if (PyObject_SetAttrString(builtins, "_", o) != 0)
+ if (_PyObject_SetAttrId(builtins, &PyId__, o) != 0)
return NULL;
Py_INCREF(Py_None);
return Py_None;
@@ -770,9 +775,7 @@ interpreter loads extension modules. Among other things, this will enable\n\
a lazy resolving of symbols when importing a module, if called as\n\
sys.setdlopenflags(0). To share symbols across extension modules, call as\n\
sys.setdlopenflags(ctypes.RTLD_GLOBAL). Symbolic names for the flag modules\n\
-can be either found in the ctypes module, or in the DLFCN module. If DLFCN\n\
-is not available, it can be generated from /usr/include/dlfcn.h using the\n\
-h2py script.");
+can be found in the os module (RTLD_xxx constants, e.g. os.RTLD_LAZY).");
static PyObject *
sys_getdlopenflags(PyObject *self, PyObject *args)
@@ -811,10 +814,11 @@ static PyObject *
sys_getsizeof(PyObject *self, PyObject *args, PyObject *kwds)
{
PyObject *res = NULL;
- static PyObject *str__sizeof__ = NULL, *gc_head_size = NULL;
+ static PyObject *gc_head_size = NULL;
static char *kwlist[] = {"object", "default", 0};
PyObject *o, *dflt = NULL;
PyObject *method;
+ _Py_IDENTIFIER(__sizeof__);
if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|O:getsizeof",
kwlist, &o, &dflt))
@@ -831,8 +835,7 @@ sys_getsizeof(PyObject *self, PyObject *args, PyObject *kwds)
if (PyType_Ready(Py_TYPE(o)) < 0)
return NULL;
- method = _PyObject_LookupSpecial(o, "__sizeof__",
- &str__sizeof__);
+ method = _PyObject_LookupSpecial(o, &PyId___sizeof__);
if (method == NULL) {
if (!PyErr_Occurred())
PyErr_Format(PyExc_TypeError,
@@ -994,6 +997,27 @@ a 11-tuple where the entries in the tuple are counts of:\n\
extern "C" {
#endif
+static PyObject *
+sys_debugmallocstats(PyObject *self, PyObject *args)
+{
+#ifdef WITH_PYMALLOC
+ _PyObject_DebugMallocStats(stderr);
+ fputc('\n', stderr);
+#endif
+ _PyObject_DebugTypeStats(stderr);
+
+ Py_RETURN_NONE;
+}
+PyDoc_STRVAR(debugmallocstats_doc,
+"_debugmallocstats()\n\
+\n\
+Print summary info to stderr about the state of\n\
+pymalloc's structures.\n\
+\n\
+In Py_DEBUG mode, also perform some expensive internal consistency\n\
+checks.\n\
+");
+
#ifdef Py_TRACE_REFS
/* Defined in objects.c because it uses static globals if that file */
extern PyObject *_Py_GetObjects(PyObject *, PyObject *);
@@ -1090,6 +1114,8 @@ static PyMethodDef sys_methods[] = {
{"settrace", sys_settrace, METH_O, settrace_doc},
{"gettrace", sys_gettrace, METH_NOARGS, gettrace_doc},
{"call_tracing", sys_call_tracing, METH_VARARGS, call_tracing_doc},
+ {"_debugmallocstats", sys_debugmallocstats, METH_VARARGS,
+ debugmallocstats_doc},
{NULL, NULL} /* sentinel */
};
@@ -1177,7 +1203,6 @@ PySys_AddXOption(const wchar_t *s)
PyObject *opts;
PyObject *name = NULL, *value = NULL;
const wchar_t *name_end;
- int r;
opts = get_xoptions();
if (opts == NULL)
@@ -1195,7 +1220,7 @@ PySys_AddXOption(const wchar_t *s)
}
if (name == NULL || value == NULL)
goto error;
- r = PyDict_SetItem(opts, name, value);
+ PyDict_SetItem(opts, name, value);
Py_DECREF(name);
Py_DECREF(value);
return;
@@ -1252,21 +1277,22 @@ PyDoc_STR(
"\n\
Static objects:\n\
\n\
-float_info -- a dict with information about the float implementation.\n\
-int_info -- a struct sequence with information about the int implementation.\n\
-maxsize -- the largest supported length of containers.\n\
-maxunicode -- the largest supported character\n\
builtin_module_names -- tuple of module names built into this interpreter\n\
-subversion -- subversion information of the build as tuple\n\
-version -- the version of this interpreter as a string\n\
-version_info -- version information as a named tuple\n\
-hexversion -- version information encoded as a single integer\n\
copyright -- copyright notice pertaining to this interpreter\n\
-platform -- platform identifier\n\
-executable -- absolute path of the executable binary of the Python interpreter\n\
-prefix -- prefix used to find the Python library\n\
exec_prefix -- prefix used to find the machine-specific Python library\n\
+executable -- absolute path of the executable binary of the Python interpreter\n\
+float_info -- a struct sequence with information about the float implementation.\n\
float_repr_style -- string indicating the style of repr() output for floats\n\
+hexversion -- version information encoded as a single integer\n\
+implementation -- Python implementation information.\n\
+int_info -- a struct sequence with information about the int implementation.\n\
+maxsize -- the largest supported length of containers.\n\
+maxunicode -- the value of the largest Unicode codepoint\n\
+platform -- platform identifier\n\
+prefix -- prefix used to find the Python library\n\
+thread_info -- a struct sequence with information about the thread implementation.\n\
+version -- the version of this interpreter as a string\n\
+version_info -- version information as a named tuple\n\
"
)
#ifdef MS_WINDOWS
@@ -1305,43 +1331,6 @@ settrace() -- set the global debug tracing function\n\
)
/* end of sys_doc */ ;
-/* Subversion branch and revision management */
-static int svn_initialized;
-static char patchlevel_revision[50]; /* Just the number */
-static char branch[50];
-static char shortbranch[50];
-static const char *svn_revision;
-
-static void
-svnversion_init(void)
-{
- if (svn_initialized)
- return;
-
- svn_initialized = 1;
- *patchlevel_revision = '\0';
- strcpy(branch, "");
- strcpy(shortbranch, "unknown");
- svn_revision = "";
-}
-
-/* Return svnversion output if available.
- Else return Revision of patchlevel.h if on branch.
- Else return empty string */
-const char*
-Py_SubversionRevision()
-{
- svnversion_init();
- return svn_revision;
-}
-
-const char*
-Py_SubversionShortBranch()
-{
- svnversion_init();
- return shortbranch;
-}
-
PyDoc_STRVAR(flags__doc__,
"sys.flags\n\
@@ -1352,7 +1341,6 @@ static PyTypeObject FlagsType;
static PyStructSequence_Field flags_fields[] = {
{"debug", "-d"},
- {"division_warning", "-Q"},
{"inspect", "-i"},
{"interactive", "-i"},
{"optimize", "-O or -OO"},
@@ -1377,9 +1365,9 @@ static PyStructSequence_Desc flags_desc = {
flags__doc__, /* doc */
flags_fields, /* fields */
#ifdef RISCOS
- 14
-#else
13
+#else
+ 12
#endif
};
@@ -1397,7 +1385,6 @@ make_flags(void)
PyStructSequence_SET_ITEM(seq, pos++, PyLong_FromLong(flag))
SetFlag(Py_DebugFlag);
- SetFlag(Py_DivisionWarningFlag);
SetFlag(Py_InspectFlag);
SetFlag(Py_InteractiveFlag);
SetFlag(Py_OptimizeFlag);
@@ -1491,6 +1478,73 @@ make_version_info(void)
return version_info;
}
+/* 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 TAG NAME "-" MAJOR MINOR;
+const char *_PySys_ImplCacheTag = TAG;
+#undef NAME
+#undef QUOTE
+#undef STRIFY
+#undef MAJOR
+#undef MINOR
+#undef TAG
+
+static PyObject *
+make_impl_info(PyObject *version_info)
+{
+ int res;
+ PyObject *impl_info, *value, *ns;
+
+ impl_info = PyDict_New();
+ if (impl_info == NULL)
+ return NULL;
+
+ /* populate the dict */
+
+ value = PyUnicode_FromString(_PySys_ImplName);
+ if (value == NULL)
+ goto error;
+ res = PyDict_SetItemString(impl_info, "name", value);
+ Py_DECREF(value);
+ if (res < 0)
+ goto error;
+
+ value = PyUnicode_FromString(_PySys_ImplCacheTag);
+ if (value == NULL)
+ goto error;
+ res = PyDict_SetItemString(impl_info, "cache_tag", value);
+ Py_DECREF(value);
+ if (res < 0)
+ goto error;
+
+ res = PyDict_SetItemString(impl_info, "version", version_info);
+ if (res < 0)
+ goto error;
+
+ value = PyLong_FromLong(PY_VERSION_HEX);
+ if (value == NULL)
+ goto error;
+ res = PyDict_SetItemString(impl_info, "hexversion", value);
+ Py_DECREF(value);
+ if (res < 0)
+ goto error;
+
+ /* dict ready */
+
+ ns = _PyNamespace_New(impl_info);
+ Py_DECREF(impl_info);
+ return ns;
+
+error:
+ Py_CLEAR(impl_info);
+ return NULL;
+}
+
static struct PyModuleDef sysmodule = {
PyModuleDef_HEAD_INIT,
"sys",
@@ -1506,7 +1560,7 @@ static struct PyModuleDef sysmodule = {
PyObject *
_PySys_Init(void)
{
- PyObject *m, *v, *sysdict;
+ PyObject *m, *v, *sysdict, *version_info;
char *s;
m = PyModule_Create(&sysmodule);
@@ -1547,10 +1601,6 @@ _PySys_Init(void)
PyUnicode_FromString(Py_GetVersion()));
SET_SYS_FROM_STRING("hexversion",
PyLong_FromLong(PY_VERSION_HEX));
- svnversion_init();
- SET_SYS_FROM_STRING("subversion",
- Py_BuildValue("(sss)", "CPython", branch,
- svn_revision));
SET_SYS_FROM_STRING("_mercurial",
Py_BuildValue("(szz)", "CPython", _Py_hgidentifier(),
_Py_hgversion()));
@@ -1569,6 +1619,10 @@ _PySys_Init(void)
PyUnicode_FromWideChar(Py_GetPrefix(), -1));
SET_SYS_FROM_STRING("exec_prefix",
PyUnicode_FromWideChar(Py_GetExecPrefix(), -1));
+ SET_SYS_FROM_STRING("base_prefix",
+ PyUnicode_FromWideChar(Py_GetPrefix(), -1));
+ SET_SYS_FROM_STRING("base_exec_prefix",
+ PyUnicode_FromWideChar(Py_GetExecPrefix(), -1));
SET_SYS_FROM_STRING("maxsize",
PyLong_FromSsize_t(PY_SSIZE_T_MAX));
SET_SYS_FROM_STRING("float_info",
@@ -1581,7 +1635,7 @@ _PySys_Init(void)
SET_SYS_FROM_STRING("hash_info",
get_hash_info());
SET_SYS_FROM_STRING("maxunicode",
- PyLong_FromLong(PyUnicode_GetMax()));
+ PyLong_FromLong(0x10FFFF));
SET_SYS_FROM_STRING("builtin_module_names",
list_builtin_module_names());
{
@@ -1626,11 +1680,15 @@ _PySys_Init(void)
/* version_info */
if (VersionInfoType.tp_name == 0)
PyStructSequence_InitType(&VersionInfoType, &version_info_desc);
- SET_SYS_FROM_STRING("version_info", make_version_info());
+ version_info = make_version_info();
+ SET_SYS_FROM_STRING("version_info", version_info);
/* prevent user from creating new instances */
VersionInfoType.tp_init = NULL;
VersionInfoType.tp_new = NULL;
+ /* implementation */
+ SET_SYS_FROM_STRING("implementation", make_impl_info(version_info));
+
/* flags */
if (FlagsType.tp_name == 0)
PyStructSequence_InitType(&FlagsType, &flags_desc);
@@ -1658,6 +1716,10 @@ _PySys_Init(void)
PyUnicode_FromString("legacy"));
#endif
+#ifdef WITH_THREAD
+ SET_SYS_FROM_STRING("thread_info", PyThread_GetInfo());
+#endif
+
#undef SET_SYS_FROM_STRING
if (PyErr_Occurred())
return NULL;
@@ -1812,7 +1874,7 @@ sys_update_path(int argc, wchar_t **argv)
the argument must be the full path anyway. */
wchar_t *ptemp;
if (GetFullPathNameW(argv0,
- sizeof(fullpath)/sizeof(fullpath[0]),
+ Py_ARRAY_LENGTH(fullpath),
fullpath,
&ptemp)) {
argv0 = fullpath;
@@ -1881,11 +1943,12 @@ sys_pyfile_write_unicode(PyObject *unicode, PyObject *file)
{
PyObject *writer = NULL, *args = NULL, *result = NULL;
int err;
+ _Py_IDENTIFIER(write);
if (file == NULL)
return -1;
- writer = PyObject_GetAttrString(file, "write");
+ writer = _PyObject_GetAttrId(file, &PyId_write);
if (writer == NULL)
goto error;
generated by cgit v0.12 at 2025-10-31 16:39:17 (GMT)