diff options
Diffstat (limited to 'Python/sysmodule.c')
-rw-r--r-- | Python/sysmodule.c | 211 |
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; |