Guido van Rossum | f70e43a | 1991-02-19 12:39:46 +0000 | [diff] [blame] | 1 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 2 | /* System module */ |
| 3 | |
| 4 | /* |
| 5 | Various bits of information used by the interpreter are collected in |
| 6 | module 'sys'. |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 7 | Function member: |
Guido van Rossum | cc8914f | 1995-03-20 15:09:40 +0000 | [diff] [blame] | 8 | - exit(sts): raise SystemExit |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 9 | Data members: |
| 10 | - stdin, stdout, stderr: standard file objects |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 11 | - modules: the table of modules (dictionary) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 12 | - path: module search path (list of strings) |
| 13 | - argv: script arguments (list of strings) |
| 14 | - ps1, ps2: optional primary and secondary prompts (strings) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 15 | */ |
| 16 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 17 | #include "Python.h" |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 18 | #include "structseq.h" |
Jeremy Hylton | 3e0055f | 2005-10-20 19:59:25 +0000 | [diff] [blame] | 19 | #include "code.h" |
Barry Warsaw | b6a54d2 | 2000-12-06 21:47:46 +0000 | [diff] [blame] | 20 | #include "frameobject.h" |
Guido van Rossum | a12fe4e | 2003-04-09 19:06:21 +0000 | [diff] [blame] | 21 | #include "eval.h" |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 22 | |
Guido van Rossum | e2437a1 | 1992-03-23 18:20:18 +0000 | [diff] [blame] | 23 | #include "osdefs.h" |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 24 | |
Mark Hammond | 8696ebc | 2002-10-08 02:44:31 +0000 | [diff] [blame] | 25 | #ifdef MS_WINDOWS |
| 26 | #define WIN32_LEAN_AND_MEAN |
Amaury Forgeot d'Arc | 06cfe95 | 2007-11-10 13:55:44 +0000 | [diff] [blame] | 27 | #include <windows.h> |
Mark Hammond | 8696ebc | 2002-10-08 02:44:31 +0000 | [diff] [blame] | 28 | #endif /* MS_WINDOWS */ |
| 29 | |
Guido van Rossum | 9b38a14 | 1996-09-11 23:12:24 +0000 | [diff] [blame] | 30 | #ifdef MS_COREDLL |
Guido van Rossum | c606fe1 | 1996-04-09 02:37:57 +0000 | [diff] [blame] | 31 | extern void *PyWin_DLLhModule; |
Guido van Rossum | 6c1e5f2 | 1997-09-29 23:34:23 +0000 | [diff] [blame] | 32 | /* A string loaded from the DLL at startup: */ |
| 33 | extern const char *PyWin_DLLVersionString; |
Guido van Rossum | c606fe1 | 1996-04-09 02:37:57 +0000 | [diff] [blame] | 34 | #endif |
| 35 | |
Martin v. Löwis | c16f3bd | 2003-05-03 09:14:54 +0000 | [diff] [blame] | 36 | #ifdef __VMS |
| 37 | #include <unixlib.h> |
| 38 | #endif |
| 39 | |
Martin v. Löwis | 5467d4c | 2003-05-10 07:10:12 +0000 | [diff] [blame] | 40 | #ifdef HAVE_LANGINFO_H |
| 41 | #include <locale.h> |
| 42 | #include <langinfo.h> |
| 43 | #endif |
| 44 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 45 | PyObject * |
Neal Norwitz | f308132 | 2007-08-25 00:32:45 +0000 | [diff] [blame] | 46 | PySys_GetObject(const char *name) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 47 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 48 | PyThreadState *tstate = PyThreadState_GET(); |
| 49 | PyObject *sd = tstate->interp->sysdict; |
| 50 | if (sd == NULL) |
| 51 | return NULL; |
| 52 | return PyDict_GetItemString(sd, name); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 53 | } |
| 54 | |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 55 | int |
Neal Norwitz | f308132 | 2007-08-25 00:32:45 +0000 | [diff] [blame] | 56 | PySys_SetObject(const char *name, PyObject *v) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 57 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 58 | PyThreadState *tstate = PyThreadState_GET(); |
| 59 | PyObject *sd = tstate->interp->sysdict; |
| 60 | if (v == NULL) { |
| 61 | if (PyDict_GetItemString(sd, name) == NULL) |
| 62 | return 0; |
| 63 | else |
| 64 | return PyDict_DelItemString(sd, name); |
| 65 | } |
| 66 | else |
| 67 | return PyDict_SetItemString(sd, name, v); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 68 | } |
| 69 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 70 | static PyObject * |
Martin v. Löwis | e3eb1f2 | 2001-08-16 13:15:00 +0000 | [diff] [blame] | 71 | sys_displayhook(PyObject *self, PyObject *o) |
Moshe Zadka | f68f2fe | 2001-01-11 05:41:27 +0000 | [diff] [blame] | 72 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 73 | PyObject *outf; |
| 74 | PyInterpreterState *interp = PyThreadState_GET()->interp; |
| 75 | PyObject *modules = interp->modules; |
| 76 | PyObject *builtins = PyDict_GetItemString(modules, "builtins"); |
Moshe Zadka | f68f2fe | 2001-01-11 05:41:27 +0000 | [diff] [blame] | 77 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 78 | if (builtins == NULL) { |
| 79 | PyErr_SetString(PyExc_RuntimeError, "lost builtins module"); |
| 80 | return NULL; |
| 81 | } |
Moshe Zadka | 03897ea | 2001-07-23 13:32:43 +0000 | [diff] [blame] | 82 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 83 | /* Print value except if None */ |
| 84 | /* After printing, also assign to '_' */ |
| 85 | /* Before, set '_' to None to avoid recursion */ |
| 86 | if (o == Py_None) { |
| 87 | Py_INCREF(Py_None); |
| 88 | return Py_None; |
| 89 | } |
| 90 | if (PyObject_SetAttrString(builtins, "_", Py_None) != 0) |
| 91 | return NULL; |
| 92 | outf = PySys_GetObject("stdout"); |
| 93 | if (outf == NULL || outf == Py_None) { |
| 94 | PyErr_SetString(PyExc_RuntimeError, "lost sys.stdout"); |
| 95 | return NULL; |
| 96 | } |
| 97 | if (PyFile_WriteObject(o, outf, 0) != 0) |
| 98 | return NULL; |
| 99 | if (PyFile_WriteString("\n", outf) != 0) |
| 100 | return NULL; |
| 101 | if (PyObject_SetAttrString(builtins, "_", o) != 0) |
| 102 | return NULL; |
| 103 | Py_INCREF(Py_None); |
| 104 | return Py_None; |
Moshe Zadka | f68f2fe | 2001-01-11 05:41:27 +0000 | [diff] [blame] | 105 | } |
| 106 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 107 | PyDoc_STRVAR(displayhook_doc, |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 108 | "displayhook(object) -> None\n" |
Moshe Zadka | f68f2fe | 2001-01-11 05:41:27 +0000 | [diff] [blame] | 109 | "\n" |
Florent Xicluna | d7494de | 2010-03-03 11:55:53 +0000 | [diff] [blame] | 110 | "Print an object to sys.stdout and also save it in builtins._\n" |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 111 | ); |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 112 | |
| 113 | static PyObject * |
| 114 | sys_excepthook(PyObject* self, PyObject* args) |
| 115 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 116 | PyObject *exc, *value, *tb; |
| 117 | if (!PyArg_UnpackTuple(args, "excepthook", 3, 3, &exc, &value, &tb)) |
| 118 | return NULL; |
| 119 | PyErr_Display(exc, value, tb); |
| 120 | Py_INCREF(Py_None); |
| 121 | return Py_None; |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 122 | } |
| 123 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 124 | PyDoc_STRVAR(excepthook_doc, |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 125 | "excepthook(exctype, value, traceback) -> None\n" |
| 126 | "\n" |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 127 | "Handle an exception by displaying it with a traceback on sys.stderr.\n" |
| 128 | ); |
Moshe Zadka | f68f2fe | 2001-01-11 05:41:27 +0000 | [diff] [blame] | 129 | |
| 130 | static PyObject * |
Guido van Rossum | 46d3dc3 | 2003-03-01 03:20:41 +0000 | [diff] [blame] | 131 | sys_exc_info(PyObject *self, PyObject *noargs) |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 132 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 133 | PyThreadState *tstate; |
| 134 | tstate = PyThreadState_GET(); |
| 135 | return Py_BuildValue( |
| 136 | "(OOO)", |
| 137 | tstate->exc_type != NULL ? tstate->exc_type : Py_None, |
| 138 | tstate->exc_value != NULL ? tstate->exc_value : Py_None, |
| 139 | tstate->exc_traceback != NULL ? |
| 140 | tstate->exc_traceback : Py_None); |
Guido van Rossum | a027efa | 1997-05-05 20:56:21 +0000 | [diff] [blame] | 141 | } |
| 142 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 143 | PyDoc_STRVAR(exc_info_doc, |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 144 | "exc_info() -> (type, value, traceback)\n\ |
| 145 | \n\ |
Guido van Rossum | 46d3dc3 | 2003-03-01 03:20:41 +0000 | [diff] [blame] | 146 | Return information about the most recent exception caught by an except\n\ |
| 147 | clause in the current stack frame or in an older stack frame." |
| 148 | ); |
| 149 | |
| 150 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 151 | sys_exit(PyObject *self, PyObject *args) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 152 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 153 | PyObject *exit_code = 0; |
| 154 | if (!PyArg_UnpackTuple(args, "exit", 0, 1, &exit_code)) |
| 155 | return NULL; |
| 156 | /* Raise SystemExit so callers may catch it or clean up. */ |
| 157 | PyErr_SetObject(PyExc_SystemExit, exit_code); |
| 158 | return NULL; |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 159 | } |
| 160 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 161 | PyDoc_STRVAR(exit_doc, |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 162 | "exit([status])\n\ |
| 163 | \n\ |
| 164 | Exit the interpreter by raising SystemExit(status).\n\ |
| 165 | If the status is omitted or None, it defaults to zero (i.e., success).\n\ |
Neil Schemenauer | 0f2103f | 2002-03-23 20:46:35 +0000 | [diff] [blame] | 166 | If the status is numeric, it will be used as the system exit status.\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 167 | If it is another kind of object, it will be printed and the system\n\ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 168 | exit status will be one (i.e., failure)." |
| 169 | ); |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 170 | |
Martin v. Löwis | 107b7da | 2001-11-09 20:59:39 +0000 | [diff] [blame] | 171 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 172 | static PyObject * |
Martin v. Löwis | e3eb1f2 | 2001-08-16 13:15:00 +0000 | [diff] [blame] | 173 | sys_getdefaultencoding(PyObject *self) |
Fred Drake | 8b4d01d | 2000-05-09 19:57:01 +0000 | [diff] [blame] | 174 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 175 | return PyUnicode_FromString(PyUnicode_GetDefaultEncoding()); |
Fred Drake | 8b4d01d | 2000-05-09 19:57:01 +0000 | [diff] [blame] | 176 | } |
| 177 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 178 | PyDoc_STRVAR(getdefaultencoding_doc, |
Marc-André Lemburg | 99964b8 | 2000-06-07 09:13:41 +0000 | [diff] [blame] | 179 | "getdefaultencoding() -> string\n\ |
Fred Drake | 8b4d01d | 2000-05-09 19:57:01 +0000 | [diff] [blame] | 180 | \n\ |
| 181 | Return the current default string encoding used by the Unicode \n\ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 182 | implementation." |
| 183 | ); |
Fred Drake | 8b4d01d | 2000-05-09 19:57:01 +0000 | [diff] [blame] | 184 | |
| 185 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 186 | sys_setdefaultencoding(PyObject *self, PyObject *args) |
Fred Drake | 8b4d01d | 2000-05-09 19:57:01 +0000 | [diff] [blame] | 187 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 188 | char *encoding; |
| 189 | if (!PyArg_ParseTuple(args, "s:setdefaultencoding", &encoding)) |
| 190 | return NULL; |
| 191 | if (PyUnicode_SetDefaultEncoding(encoding)) |
| 192 | return NULL; |
| 193 | Py_INCREF(Py_None); |
| 194 | return Py_None; |
Fred Drake | 8b4d01d | 2000-05-09 19:57:01 +0000 | [diff] [blame] | 195 | } |
| 196 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 197 | PyDoc_STRVAR(setdefaultencoding_doc, |
Marc-André Lemburg | 99964b8 | 2000-06-07 09:13:41 +0000 | [diff] [blame] | 198 | "setdefaultencoding(encoding)\n\ |
Fred Drake | 8b4d01d | 2000-05-09 19:57:01 +0000 | [diff] [blame] | 199 | \n\ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 200 | Set the current default string encoding used by the Unicode implementation." |
| 201 | ); |
Fred Drake | 8b4d01d | 2000-05-09 19:57:01 +0000 | [diff] [blame] | 202 | |
Martin v. Löwis | 73d538b | 2003-03-05 15:13:47 +0000 | [diff] [blame] | 203 | static PyObject * |
| 204 | sys_getfilesystemencoding(PyObject *self) |
| 205 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 206 | if (Py_FileSystemDefaultEncoding) |
| 207 | return PyUnicode_FromString(Py_FileSystemDefaultEncoding); |
| 208 | Py_INCREF(Py_None); |
| 209 | return Py_None; |
Martin v. Löwis | 73d538b | 2003-03-05 15:13:47 +0000 | [diff] [blame] | 210 | } |
| 211 | |
| 212 | PyDoc_STRVAR(getfilesystemencoding_doc, |
| 213 | "getfilesystemencoding() -> string\n\ |
| 214 | \n\ |
| 215 | Return the encoding used to convert Unicode filenames in\n\ |
| 216 | operating system filenames." |
| 217 | ); |
| 218 | |
Martin v. Löwis | 04dc25c | 2008-10-03 16:09:28 +0000 | [diff] [blame] | 219 | static PyObject * |
| 220 | sys_setfilesystemencoding(PyObject *self, PyObject *args) |
| 221 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 222 | PyObject *new_encoding; |
| 223 | if (!PyArg_ParseTuple(args, "U:setfilesystemencoding", &new_encoding)) |
| 224 | return NULL; |
| 225 | if (_Py_SetFileSystemEncoding(new_encoding)) |
| 226 | return NULL; |
| 227 | Py_INCREF(Py_None); |
| 228 | return Py_None; |
Martin v. Löwis | 04dc25c | 2008-10-03 16:09:28 +0000 | [diff] [blame] | 229 | } |
Martin v. Löwis | 339d0f7 | 2001-08-17 18:39:25 +0000 | [diff] [blame] | 230 | |
Martin v. Löwis | 04dc25c | 2008-10-03 16:09:28 +0000 | [diff] [blame] | 231 | PyDoc_STRVAR(setfilesystemencoding_doc, |
| 232 | "setfilesystemencoding(string) -> None\n\ |
| 233 | \n\ |
| 234 | Set the encoding used to convert Unicode filenames in\n\ |
| 235 | operating system filenames." |
| 236 | ); |
Georg Brandl | 66a796e | 2006-12-19 20:50:34 +0000 | [diff] [blame] | 237 | |
| 238 | static PyObject * |
| 239 | sys_intern(PyObject *self, PyObject *args) |
| 240 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 241 | PyObject *s; |
| 242 | if (!PyArg_ParseTuple(args, "U:intern", &s)) |
| 243 | return NULL; |
| 244 | if (PyUnicode_CheckExact(s)) { |
| 245 | Py_INCREF(s); |
| 246 | PyUnicode_InternInPlace(&s); |
| 247 | return s; |
| 248 | } |
| 249 | else { |
| 250 | PyErr_Format(PyExc_TypeError, |
| 251 | "can't intern %.400s", s->ob_type->tp_name); |
| 252 | return NULL; |
| 253 | } |
Georg Brandl | 66a796e | 2006-12-19 20:50:34 +0000 | [diff] [blame] | 254 | } |
| 255 | |
| 256 | PyDoc_STRVAR(intern_doc, |
| 257 | "intern(string) -> string\n\ |
| 258 | \n\ |
| 259 | ``Intern'' the given string. This enters the string in the (global)\n\ |
| 260 | table of interned strings whose purpose is to speed up dictionary lookups.\n\ |
| 261 | Return the string itself or the previously interned string object with the\n\ |
| 262 | same value."); |
| 263 | |
| 264 | |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 265 | /* |
| 266 | * Cached interned string objects used for calling the profile and |
| 267 | * trace functions. Initialized by trace_init(). |
| 268 | */ |
Nicholas Bastin | c69ebe8 | 2004-03-24 21:57:10 +0000 | [diff] [blame] | 269 | static PyObject *whatstrings[7] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL}; |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 270 | |
| 271 | static int |
| 272 | trace_init(void) |
| 273 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 274 | static char *whatnames[7] = {"call", "exception", "line", "return", |
| 275 | "c_call", "c_exception", "c_return"}; |
| 276 | PyObject *name; |
| 277 | int i; |
| 278 | for (i = 0; i < 7; ++i) { |
| 279 | if (whatstrings[i] == NULL) { |
| 280 | name = PyUnicode_InternFromString(whatnames[i]); |
| 281 | if (name == NULL) |
| 282 | return -1; |
| 283 | whatstrings[i] = name; |
| 284 | } |
| 285 | } |
| 286 | return 0; |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 287 | } |
| 288 | |
| 289 | |
| 290 | static PyObject * |
| 291 | call_trampoline(PyThreadState *tstate, PyObject* callback, |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 292 | PyFrameObject *frame, int what, PyObject *arg) |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 293 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 294 | PyObject *args = PyTuple_New(3); |
| 295 | PyObject *whatstr; |
| 296 | PyObject *result; |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 297 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 298 | if (args == NULL) |
| 299 | return NULL; |
| 300 | Py_INCREF(frame); |
| 301 | whatstr = whatstrings[what]; |
| 302 | Py_INCREF(whatstr); |
| 303 | if (arg == NULL) |
| 304 | arg = Py_None; |
| 305 | Py_INCREF(arg); |
| 306 | PyTuple_SET_ITEM(args, 0, (PyObject *)frame); |
| 307 | PyTuple_SET_ITEM(args, 1, whatstr); |
| 308 | PyTuple_SET_ITEM(args, 2, arg); |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 309 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 310 | /* call the Python-level function */ |
| 311 | PyFrame_FastToLocals(frame); |
| 312 | result = PyEval_CallObject(callback, args); |
| 313 | PyFrame_LocalsToFast(frame, 1); |
| 314 | if (result == NULL) |
| 315 | PyTraceBack_Here(frame); |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 316 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 317 | /* cleanup */ |
| 318 | Py_DECREF(args); |
| 319 | return result; |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 320 | } |
| 321 | |
| 322 | static int |
| 323 | profile_trampoline(PyObject *self, PyFrameObject *frame, |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 324 | int what, PyObject *arg) |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 325 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 326 | PyThreadState *tstate = frame->f_tstate; |
| 327 | PyObject *result; |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 328 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 329 | if (arg == NULL) |
| 330 | arg = Py_None; |
| 331 | result = call_trampoline(tstate, self, frame, what, arg); |
| 332 | if (result == NULL) { |
| 333 | PyEval_SetProfile(NULL, NULL); |
| 334 | return -1; |
| 335 | } |
| 336 | Py_DECREF(result); |
| 337 | return 0; |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | static int |
| 341 | trace_trampoline(PyObject *self, PyFrameObject *frame, |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 342 | int what, PyObject *arg) |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 343 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 344 | PyThreadState *tstate = frame->f_tstate; |
| 345 | PyObject *callback; |
| 346 | PyObject *result; |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 347 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 348 | if (what == PyTrace_CALL) |
| 349 | callback = self; |
| 350 | else |
| 351 | callback = frame->f_trace; |
| 352 | if (callback == NULL) |
| 353 | return 0; |
| 354 | result = call_trampoline(tstate, callback, frame, what, arg); |
| 355 | if (result == NULL) { |
| 356 | PyEval_SetTrace(NULL, NULL); |
| 357 | Py_XDECREF(frame->f_trace); |
| 358 | frame->f_trace = NULL; |
| 359 | return -1; |
| 360 | } |
| 361 | if (result != Py_None) { |
| 362 | PyObject *temp = frame->f_trace; |
| 363 | frame->f_trace = NULL; |
| 364 | Py_XDECREF(temp); |
| 365 | frame->f_trace = result; |
| 366 | } |
| 367 | else { |
| 368 | Py_DECREF(result); |
| 369 | } |
| 370 | return 0; |
Fred Drake | 5755ce6 | 2001-06-27 19:19:46 +0000 | [diff] [blame] | 371 | } |
Fred Drake | d083839 | 2001-06-16 21:02:31 +0000 | [diff] [blame] | 372 | |
Fred Drake | 8b4d01d | 2000-05-09 19:57:01 +0000 | [diff] [blame] | 373 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 374 | sys_settrace(PyObject *self, PyObject *args) |
Guido van Rossum | e2437a1 | 1992-03-23 18:20:18 +0000 | [diff] [blame] | 375 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 376 | if (trace_init() == -1) |
| 377 | return NULL; |
| 378 | if (args == Py_None) |
| 379 | PyEval_SetTrace(NULL, NULL); |
| 380 | else |
| 381 | PyEval_SetTrace(trace_trampoline, args); |
| 382 | Py_INCREF(Py_None); |
| 383 | return Py_None; |
Guido van Rossum | e2437a1 | 1992-03-23 18:20:18 +0000 | [diff] [blame] | 384 | } |
| 385 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 386 | PyDoc_STRVAR(settrace_doc, |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 387 | "settrace(function)\n\ |
| 388 | \n\ |
| 389 | Set the global debug tracing function. It will be called on each\n\ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 390 | function call. See the debugger chapter in the library manual." |
| 391 | ); |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 392 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 393 | static PyObject * |
Christian Heimes | 9bd667a | 2008-01-20 15:14:11 +0000 | [diff] [blame] | 394 | sys_gettrace(PyObject *self, PyObject *args) |
| 395 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 396 | PyThreadState *tstate = PyThreadState_GET(); |
| 397 | PyObject *temp = tstate->c_traceobj; |
Christian Heimes | 9bd667a | 2008-01-20 15:14:11 +0000 | [diff] [blame] | 398 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 399 | if (temp == NULL) |
| 400 | temp = Py_None; |
| 401 | Py_INCREF(temp); |
| 402 | return temp; |
Christian Heimes | 9bd667a | 2008-01-20 15:14:11 +0000 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | PyDoc_STRVAR(gettrace_doc, |
| 406 | "gettrace()\n\ |
| 407 | \n\ |
| 408 | Return the global debug tracing function set with sys.settrace.\n\ |
| 409 | See the debugger chapter in the library manual." |
| 410 | ); |
| 411 | |
| 412 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 413 | sys_setprofile(PyObject *self, PyObject *args) |
Guido van Rossum | e2437a1 | 1992-03-23 18:20:18 +0000 | [diff] [blame] | 414 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 415 | if (trace_init() == -1) |
| 416 | return NULL; |
| 417 | if (args == Py_None) |
| 418 | PyEval_SetProfile(NULL, NULL); |
| 419 | else |
| 420 | PyEval_SetProfile(profile_trampoline, args); |
| 421 | Py_INCREF(Py_None); |
| 422 | return Py_None; |
Guido van Rossum | e2437a1 | 1992-03-23 18:20:18 +0000 | [diff] [blame] | 423 | } |
| 424 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 425 | PyDoc_STRVAR(setprofile_doc, |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 426 | "setprofile(function)\n\ |
| 427 | \n\ |
| 428 | Set the profiling function. It will be called on each function call\n\ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 429 | and return. See the profiler chapter in the library manual." |
| 430 | ); |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 431 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 432 | static PyObject * |
Christian Heimes | 9bd667a | 2008-01-20 15:14:11 +0000 | [diff] [blame] | 433 | sys_getprofile(PyObject *self, PyObject *args) |
| 434 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 435 | PyThreadState *tstate = PyThreadState_GET(); |
| 436 | PyObject *temp = tstate->c_profileobj; |
Christian Heimes | 9bd667a | 2008-01-20 15:14:11 +0000 | [diff] [blame] | 437 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 438 | if (temp == NULL) |
| 439 | temp = Py_None; |
| 440 | Py_INCREF(temp); |
| 441 | return temp; |
Christian Heimes | 9bd667a | 2008-01-20 15:14:11 +0000 | [diff] [blame] | 442 | } |
| 443 | |
| 444 | PyDoc_STRVAR(getprofile_doc, |
| 445 | "getprofile()\n\ |
| 446 | \n\ |
| 447 | Return the profiling function set with sys.setprofile.\n\ |
| 448 | See the profiler chapter in the library manual." |
| 449 | ); |
| 450 | |
| 451 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 452 | sys_setcheckinterval(PyObject *self, PyObject *args) |
Guido van Rossum | a0d7a23 | 1995-01-09 17:46:13 +0000 | [diff] [blame] | 453 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 454 | if (!PyArg_ParseTuple(args, "i:setcheckinterval", &_Py_CheckInterval)) |
| 455 | return NULL; |
| 456 | Py_INCREF(Py_None); |
| 457 | return Py_None; |
Guido van Rossum | a0d7a23 | 1995-01-09 17:46:13 +0000 | [diff] [blame] | 458 | } |
| 459 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 460 | PyDoc_STRVAR(setcheckinterval_doc, |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 461 | "setcheckinterval(n)\n\ |
| 462 | \n\ |
| 463 | Tell the Python interpreter to check for asynchronous events every\n\ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 464 | n instructions. This also affects how often thread switches occur." |
| 465 | ); |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 466 | |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 467 | static PyObject * |
Tim Peters | e5e065b | 2003-07-06 18:36:54 +0000 | [diff] [blame] | 468 | sys_getcheckinterval(PyObject *self, PyObject *args) |
| 469 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 470 | return PyLong_FromLong(_Py_CheckInterval); |
Tim Peters | e5e065b | 2003-07-06 18:36:54 +0000 | [diff] [blame] | 471 | } |
| 472 | |
| 473 | PyDoc_STRVAR(getcheckinterval_doc, |
| 474 | "getcheckinterval() -> current check interval; see setcheckinterval()." |
| 475 | ); |
| 476 | |
Martin v. Löwis | f30d60e | 2004-06-08 08:17:44 +0000 | [diff] [blame] | 477 | #ifdef WITH_TSC |
| 478 | static PyObject * |
| 479 | sys_settscdump(PyObject *self, PyObject *args) |
| 480 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 481 | int bool; |
| 482 | PyThreadState *tstate = PyThreadState_Get(); |
Martin v. Löwis | f30d60e | 2004-06-08 08:17:44 +0000 | [diff] [blame] | 483 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 484 | if (!PyArg_ParseTuple(args, "i:settscdump", &bool)) |
| 485 | return NULL; |
| 486 | if (bool) |
| 487 | tstate->interp->tscdump = 1; |
| 488 | else |
| 489 | tstate->interp->tscdump = 0; |
| 490 | Py_INCREF(Py_None); |
| 491 | return Py_None; |
Tim Peters | 216b78b | 2006-01-06 02:40:53 +0000 | [diff] [blame] | 492 | |
Martin v. Löwis | f30d60e | 2004-06-08 08:17:44 +0000 | [diff] [blame] | 493 | } |
| 494 | |
Tim Peters | 216b78b | 2006-01-06 02:40:53 +0000 | [diff] [blame] | 495 | PyDoc_STRVAR(settscdump_doc, |
Martin v. Löwis | f30d60e | 2004-06-08 08:17:44 +0000 | [diff] [blame] | 496 | "settscdump(bool)\n\ |
| 497 | \n\ |
| 498 | If true, tell the Python interpreter to dump VM measurements to\n\ |
| 499 | stderr. If false, turn off dump. The measurements are based on the\n\ |
Michael W. Hudson | 800ba23 | 2004-08-12 18:19:17 +0000 | [diff] [blame] | 500 | processor's time-stamp counter." |
Tim Peters | 216b78b | 2006-01-06 02:40:53 +0000 | [diff] [blame] | 501 | ); |
Neal Norwitz | 0f5aed4 | 2004-06-13 20:32:17 +0000 | [diff] [blame] | 502 | #endif /* TSC */ |
Martin v. Löwis | f30d60e | 2004-06-08 08:17:44 +0000 | [diff] [blame] | 503 | |
Tim Peters | e5e065b | 2003-07-06 18:36:54 +0000 | [diff] [blame] | 504 | static PyObject * |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 505 | sys_setrecursionlimit(PyObject *self, PyObject *args) |
| 506 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 507 | int new_limit; |
| 508 | if (!PyArg_ParseTuple(args, "i:setrecursionlimit", &new_limit)) |
| 509 | return NULL; |
| 510 | if (new_limit <= 0) { |
| 511 | PyErr_SetString(PyExc_ValueError, |
| 512 | "recursion limit must be positive"); |
| 513 | return NULL; |
| 514 | } |
| 515 | Py_SetRecursionLimit(new_limit); |
| 516 | Py_INCREF(Py_None); |
| 517 | return Py_None; |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 518 | } |
| 519 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 520 | PyDoc_STRVAR(setrecursionlimit_doc, |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 521 | "setrecursionlimit(n)\n\ |
| 522 | \n\ |
| 523 | Set the maximum depth of the Python interpreter stack to n. This\n\ |
| 524 | limit prevents infinite recursion from causing an overflow of the C\n\ |
| 525 | stack and crashing Python. The highest possible limit is platform-\n\ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 526 | dependent." |
| 527 | ); |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 528 | |
| 529 | static PyObject * |
Martin v. Löwis | e3eb1f2 | 2001-08-16 13:15:00 +0000 | [diff] [blame] | 530 | sys_getrecursionlimit(PyObject *self) |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 531 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 532 | return PyLong_FromLong(Py_GetRecursionLimit()); |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 533 | } |
| 534 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 535 | PyDoc_STRVAR(getrecursionlimit_doc, |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 536 | "getrecursionlimit()\n\ |
| 537 | \n\ |
| 538 | Return the current value of the recursion limit, the maximum depth\n\ |
| 539 | of the Python interpreter stack. This limit prevents infinite\n\ |
Jack Jansen | e739a0d | 2002-06-26 20:39:20 +0000 | [diff] [blame] | 540 | recursion from causing an overflow of the C stack and crashing Python." |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 541 | ); |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 542 | |
Mark Hammond | 8696ebc | 2002-10-08 02:44:31 +0000 | [diff] [blame] | 543 | #ifdef MS_WINDOWS |
| 544 | PyDoc_STRVAR(getwindowsversion_doc, |
| 545 | "getwindowsversion()\n\ |
| 546 | \n\ |
| 547 | Return information about the running version of Windows.\n\ |
| 548 | The result is a tuple of (major, minor, build, platform, text)\n\ |
| 549 | All elements are numbers, except text which is a string.\n\ |
| 550 | Platform may be 0 for win32s, 1 for Windows 9x/ME, 2 for Windows NT/2000/XP\n\ |
| 551 | " |
| 552 | ); |
| 553 | |
| 554 | static PyObject * |
| 555 | sys_getwindowsversion(PyObject *self) |
| 556 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 557 | OSVERSIONINFO ver; |
| 558 | ver.dwOSVersionInfoSize = sizeof(ver); |
| 559 | if (!GetVersionEx(&ver)) |
| 560 | return PyErr_SetFromWindowsErr(0); |
| 561 | return Py_BuildValue("HHHHs", |
| 562 | ver.dwMajorVersion, |
| 563 | ver.dwMinorVersion, |
| 564 | ver.dwBuildNumber, |
| 565 | ver.dwPlatformId, |
| 566 | ver.szCSDVersion); |
Mark Hammond | 8696ebc | 2002-10-08 02:44:31 +0000 | [diff] [blame] | 567 | } |
| 568 | |
| 569 | #endif /* MS_WINDOWS */ |
| 570 | |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 571 | #ifdef HAVE_DLOPEN |
| 572 | static PyObject * |
| 573 | sys_setdlopenflags(PyObject *self, PyObject *args) |
| 574 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 575 | int new_val; |
| 576 | PyThreadState *tstate = PyThreadState_GET(); |
| 577 | if (!PyArg_ParseTuple(args, "i:setdlopenflags", &new_val)) |
| 578 | return NULL; |
| 579 | if (!tstate) |
| 580 | return NULL; |
| 581 | tstate->interp->dlopenflags = new_val; |
| 582 | Py_INCREF(Py_None); |
| 583 | return Py_None; |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 584 | } |
| 585 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 586 | PyDoc_STRVAR(setdlopenflags_doc, |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 587 | "setdlopenflags(n) -> None\n\ |
| 588 | \n\ |
Georg Brandl | bcc484e | 2009-08-13 11:51:54 +0000 | [diff] [blame] | 589 | Set the flags used by the interpreter for dlopen calls, such as when the\n\ |
| 590 | interpreter loads extension modules. Among other things, this will enable\n\ |
| 591 | a lazy resolving of symbols when importing a module, if called as\n\ |
| 592 | sys.setdlopenflags(0). To share symbols across extension modules, call as\n\ |
| 593 | sys.setdlopenflags(ctypes.RTLD_GLOBAL). Symbolic names for the flag modules\n\ |
| 594 | can be either found in the ctypes module, or in the DLFCN module. If DLFCN\n\ |
| 595 | is not available, it can be generated from /usr/include/dlfcn.h using the\n\ |
| 596 | h2py script."); |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 597 | |
| 598 | static PyObject * |
| 599 | sys_getdlopenflags(PyObject *self, PyObject *args) |
| 600 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 601 | PyThreadState *tstate = PyThreadState_GET(); |
| 602 | if (!tstate) |
| 603 | return NULL; |
| 604 | return PyLong_FromLong(tstate->interp->dlopenflags); |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 605 | } |
| 606 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 607 | PyDoc_STRVAR(getdlopenflags_doc, |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 608 | "getdlopenflags() -> int\n\ |
| 609 | \n\ |
Georg Brandl | bcc484e | 2009-08-13 11:51:54 +0000 | [diff] [blame] | 610 | Return the current value of the flags that are used for dlopen calls.\n\ |
| 611 | The flag constants are defined in the ctypes and DLFCN modules."); |
| 612 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 613 | #endif /* HAVE_DLOPEN */ |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 614 | |
Guido van Rossum | 14b4adb | 1992-09-03 20:25:30 +0000 | [diff] [blame] | 615 | #ifdef USE_MALLOPT |
| 616 | /* Link with -lmalloc (or -lmpc) on an SGI */ |
| 617 | #include <malloc.h> |
| 618 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 619 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 620 | sys_mdebug(PyObject *self, PyObject *args) |
Guido van Rossum | 14b4adb | 1992-09-03 20:25:30 +0000 | [diff] [blame] | 621 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 622 | int flag; |
| 623 | if (!PyArg_ParseTuple(args, "i:mdebug", &flag)) |
| 624 | return NULL; |
| 625 | mallopt(M_DEBUG, flag); |
| 626 | Py_INCREF(Py_None); |
| 627 | return Py_None; |
Guido van Rossum | 14b4adb | 1992-09-03 20:25:30 +0000 | [diff] [blame] | 628 | } |
| 629 | #endif /* USE_MALLOPT */ |
| 630 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 631 | static PyObject * |
Robert Schuppenies | fbe94c5 | 2008-07-14 10:13:31 +0000 | [diff] [blame] | 632 | sys_getsizeof(PyObject *self, PyObject *args, PyObject *kwds) |
Martin v. Löwis | 00709aa | 2008-06-04 14:18:43 +0000 | [diff] [blame] | 633 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 634 | PyObject *res = NULL; |
| 635 | static PyObject *str__sizeof__ = NULL, *gc_head_size = NULL; |
| 636 | static char *kwlist[] = {"object", "default", 0}; |
| 637 | PyObject *o, *dflt = NULL; |
| 638 | PyObject *method; |
Robert Schuppenies | fbe94c5 | 2008-07-14 10:13:31 +0000 | [diff] [blame] | 639 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 640 | if (!PyArg_ParseTupleAndKeywords(args, kwds, "O|O:getsizeof", |
| 641 | kwlist, &o, &dflt)) |
| 642 | return NULL; |
Martin v. Löwis | 00709aa | 2008-06-04 14:18:43 +0000 | [diff] [blame] | 643 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 644 | /* Initialize static variable for GC head size */ |
| 645 | if (gc_head_size == NULL) { |
| 646 | gc_head_size = PyLong_FromSsize_t(sizeof(PyGC_Head)); |
| 647 | if (gc_head_size == NULL) |
| 648 | return NULL; |
| 649 | } |
Benjamin Peterson | a5758c0 | 2009-05-09 18:15:04 +0000 | [diff] [blame] | 650 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 651 | /* Make sure the type is initialized. float gets initialized late */ |
| 652 | if (PyType_Ready(Py_TYPE(o)) < 0) |
| 653 | return NULL; |
Robert Schuppenies | fbe94c5 | 2008-07-14 10:13:31 +0000 | [diff] [blame] | 654 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 655 | method = _PyObject_LookupSpecial(o, "__sizeof__", |
| 656 | &str__sizeof__); |
| 657 | if (method == NULL) { |
| 658 | if (!PyErr_Occurred()) |
| 659 | PyErr_Format(PyExc_TypeError, |
| 660 | "Type %.100s doesn't define __sizeof__", |
| 661 | Py_TYPE(o)->tp_name); |
| 662 | } |
| 663 | else { |
| 664 | res = PyObject_CallFunctionObjArgs(method, NULL); |
| 665 | Py_DECREF(method); |
| 666 | } |
| 667 | |
| 668 | /* Has a default value been given */ |
| 669 | if ((res == NULL) && (dflt != NULL) && |
| 670 | PyErr_ExceptionMatches(PyExc_TypeError)) |
| 671 | { |
| 672 | PyErr_Clear(); |
| 673 | Py_INCREF(dflt); |
| 674 | return dflt; |
| 675 | } |
| 676 | else if (res == NULL) |
| 677 | return res; |
| 678 | |
| 679 | /* add gc_head size */ |
| 680 | if (PyObject_IS_GC(o)) { |
| 681 | PyObject *tmp = res; |
| 682 | res = PyNumber_Add(tmp, gc_head_size); |
| 683 | Py_DECREF(tmp); |
| 684 | } |
| 685 | return res; |
Martin v. Löwis | 00709aa | 2008-06-04 14:18:43 +0000 | [diff] [blame] | 686 | } |
| 687 | |
| 688 | PyDoc_STRVAR(getsizeof_doc, |
Robert Schuppenies | fbe94c5 | 2008-07-14 10:13:31 +0000 | [diff] [blame] | 689 | "getsizeof(object, default) -> int\n\ |
Martin v. Löwis | 00709aa | 2008-06-04 14:18:43 +0000 | [diff] [blame] | 690 | \n\ |
| 691 | Return the size of object in bytes."); |
| 692 | |
| 693 | static PyObject * |
Fred Drake | a768882 | 2001-10-24 20:47:48 +0000 | [diff] [blame] | 694 | sys_getrefcount(PyObject *self, PyObject *arg) |
Sjoerd Mullender | 6ec3c65 | 1995-08-29 09:18:14 +0000 | [diff] [blame] | 695 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 696 | return PyLong_FromSsize_t(arg->ob_refcnt); |
Sjoerd Mullender | 6ec3c65 | 1995-08-29 09:18:14 +0000 | [diff] [blame] | 697 | } |
| 698 | |
Tim Peters | 4be93d0 | 2002-07-07 19:59:50 +0000 | [diff] [blame] | 699 | #ifdef Py_REF_DEBUG |
Mark Hammond | 440d898 | 2000-06-20 08:12:48 +0000 | [diff] [blame] | 700 | static PyObject * |
Martin v. Löwis | e3eb1f2 | 2001-08-16 13:15:00 +0000 | [diff] [blame] | 701 | sys_gettotalrefcount(PyObject *self) |
Mark Hammond | 440d898 | 2000-06-20 08:12:48 +0000 | [diff] [blame] | 702 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 703 | return PyLong_FromSsize_t(_Py_GetRefTotal()); |
Mark Hammond | 440d898 | 2000-06-20 08:12:48 +0000 | [diff] [blame] | 704 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 705 | #endif /* Py_REF_DEBUG */ |
Mark Hammond | 440d898 | 2000-06-20 08:12:48 +0000 | [diff] [blame] | 706 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 707 | PyDoc_STRVAR(getrefcount_doc, |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 708 | "getrefcount(object) -> integer\n\ |
| 709 | \n\ |
Fred Drake | ba3ff1b | 2002-06-20 21:36:19 +0000 | [diff] [blame] | 710 | Return the reference count of object. The count returned is generally\n\ |
| 711 | one higher than you might expect, because it includes the (temporary)\n\ |
| 712 | reference as an argument to getrefcount()." |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 713 | ); |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 714 | |
Sjoerd Mullender | 6ec3c65 | 1995-08-29 09:18:14 +0000 | [diff] [blame] | 715 | #ifdef COUNT_ALLOCS |
| 716 | static PyObject * |
Martin v. Löwis | e3eb1f2 | 2001-08-16 13:15:00 +0000 | [diff] [blame] | 717 | sys_getcounts(PyObject *self) |
Sjoerd Mullender | 6ec3c65 | 1995-08-29 09:18:14 +0000 | [diff] [blame] | 718 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 719 | extern PyObject *get_counts(void); |
Sjoerd Mullender | 6ec3c65 | 1995-08-29 09:18:14 +0000 | [diff] [blame] | 720 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 721 | return get_counts(); |
Sjoerd Mullender | 6ec3c65 | 1995-08-29 09:18:14 +0000 | [diff] [blame] | 722 | } |
| 723 | #endif |
| 724 | |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 725 | PyDoc_STRVAR(getframe_doc, |
Barry Warsaw | b6a54d2 | 2000-12-06 21:47:46 +0000 | [diff] [blame] | 726 | "_getframe([depth]) -> frameobject\n\ |
| 727 | \n\ |
| 728 | Return a frame object from the call stack. If optional integer depth is\n\ |
| 729 | given, return the frame object that many calls below the top of the stack.\n\ |
| 730 | If that is deeper than the call stack, ValueError is raised. The default\n\ |
| 731 | for depth is zero, returning the frame at the top of the call stack.\n\ |
| 732 | \n\ |
| 733 | This function should be used for internal and specialized\n\ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 734 | purposes only." |
| 735 | ); |
Barry Warsaw | b6a54d2 | 2000-12-06 21:47:46 +0000 | [diff] [blame] | 736 | |
| 737 | static PyObject * |
| 738 | sys_getframe(PyObject *self, PyObject *args) |
| 739 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 740 | PyFrameObject *f = PyThreadState_GET()->frame; |
| 741 | int depth = -1; |
Barry Warsaw | b6a54d2 | 2000-12-06 21:47:46 +0000 | [diff] [blame] | 742 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 743 | if (!PyArg_ParseTuple(args, "|i:_getframe", &depth)) |
| 744 | return NULL; |
Barry Warsaw | b6a54d2 | 2000-12-06 21:47:46 +0000 | [diff] [blame] | 745 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 746 | while (depth > 0 && f != NULL) { |
| 747 | f = f->f_back; |
| 748 | --depth; |
| 749 | } |
| 750 | if (f == NULL) { |
| 751 | PyErr_SetString(PyExc_ValueError, |
| 752 | "call stack is not deep enough"); |
| 753 | return NULL; |
| 754 | } |
| 755 | Py_INCREF(f); |
| 756 | return (PyObject*)f; |
Barry Warsaw | b6a54d2 | 2000-12-06 21:47:46 +0000 | [diff] [blame] | 757 | } |
| 758 | |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 759 | PyDoc_STRVAR(current_frames_doc, |
| 760 | "_current_frames() -> dictionary\n\ |
| 761 | \n\ |
| 762 | Return a dictionary mapping each current thread T's thread id to T's\n\ |
| 763 | current stack frame.\n\ |
| 764 | \n\ |
| 765 | This function should be used for specialized purposes only." |
| 766 | ); |
| 767 | |
| 768 | static PyObject * |
| 769 | sys_current_frames(PyObject *self, PyObject *noargs) |
| 770 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 771 | return _PyThread_CurrentFrames(); |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 772 | } |
| 773 | |
Guido van Rossum | a12fe4e | 2003-04-09 19:06:21 +0000 | [diff] [blame] | 774 | PyDoc_STRVAR(call_tracing_doc, |
| 775 | "call_tracing(func, args) -> object\n\ |
| 776 | \n\ |
| 777 | Call func(*args), while tracing is enabled. The tracing state is\n\ |
| 778 | saved, and restored afterwards. This is intended to be called from\n\ |
| 779 | a debugger from a checkpoint, to recursively debug some other code." |
| 780 | ); |
| 781 | |
| 782 | static PyObject * |
| 783 | sys_call_tracing(PyObject *self, PyObject *args) |
| 784 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 785 | PyObject *func, *funcargs; |
| 786 | if (!PyArg_ParseTuple(args, "OO!:call_tracing", &func, &PyTuple_Type, &funcargs)) |
| 787 | return NULL; |
| 788 | return _PyEval_CallTracing(func, funcargs); |
Guido van Rossum | a12fe4e | 2003-04-09 19:06:21 +0000 | [diff] [blame] | 789 | } |
| 790 | |
Jeremy Hylton | 985eba5 | 2003-02-05 23:13:00 +0000 | [diff] [blame] | 791 | PyDoc_STRVAR(callstats_doc, |
| 792 | "callstats() -> tuple of integers\n\ |
| 793 | \n\ |
| 794 | Return a tuple of function call statistics, if CALL_PROFILE was defined\n\ |
| 795 | when Python was built. Otherwise, return None.\n\ |
| 796 | \n\ |
| 797 | When enabled, this function returns detailed, implementation-specific\n\ |
| 798 | details about the number of function calls executed. The return value is\n\ |
| 799 | a 11-tuple where the entries in the tuple are counts of:\n\ |
| 800 | 0. all function calls\n\ |
| 801 | 1. calls to PyFunction_Type objects\n\ |
| 802 | 2. PyFunction calls that do not create an argument tuple\n\ |
| 803 | 3. PyFunction calls that do not create an argument tuple\n\ |
| 804 | and bypass PyEval_EvalCodeEx()\n\ |
| 805 | 4. PyMethod calls\n\ |
| 806 | 5. PyMethod calls on bound methods\n\ |
| 807 | 6. PyType calls\n\ |
| 808 | 7. PyCFunction calls\n\ |
| 809 | 8. generator calls\n\ |
| 810 | 9. All other calls\n\ |
| 811 | 10. Number of stack pops performed by call_function()" |
| 812 | ); |
Barry Warsaw | b6a54d2 | 2000-12-06 21:47:46 +0000 | [diff] [blame] | 813 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 814 | #ifdef __cplusplus |
| 815 | extern "C" { |
| 816 | #endif |
| 817 | |
Guido van Rossum | 7f3f2c1 | 1996-05-23 22:45:41 +0000 | [diff] [blame] | 818 | #ifdef Py_TRACE_REFS |
Guido van Rossum | ded690f | 1996-05-24 20:48:31 +0000 | [diff] [blame] | 819 | /* Defined in objects.c because it uses static globals if that file */ |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 820 | extern PyObject *_Py_GetObjects(PyObject *, PyObject *); |
Sjoerd Mullender | 6ec3c65 | 1995-08-29 09:18:14 +0000 | [diff] [blame] | 821 | #endif |
Guido van Rossum | ded690f | 1996-05-24 20:48:31 +0000 | [diff] [blame] | 822 | |
Guido van Rossum | 43f1b8d | 1997-01-24 04:07:45 +0000 | [diff] [blame] | 823 | #ifdef DYNAMIC_EXECUTION_PROFILE |
| 824 | /* Defined in ceval.c because it uses static globals if that file */ |
Tim Peters | dbd9ba6 | 2000-07-09 03:09:57 +0000 | [diff] [blame] | 825 | extern PyObject *_Py_GetDXProfile(PyObject *, PyObject *); |
Guido van Rossum | 43f1b8d | 1997-01-24 04:07:45 +0000 | [diff] [blame] | 826 | #endif |
| 827 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 828 | #ifdef __cplusplus |
| 829 | } |
| 830 | #endif |
| 831 | |
Christian Heimes | 15ebc88 | 2008-02-04 18:48:49 +0000 | [diff] [blame] | 832 | static PyObject * |
| 833 | sys_clear_type_cache(PyObject* self, PyObject* args) |
| 834 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 835 | PyType_ClearCache(); |
| 836 | Py_RETURN_NONE; |
Christian Heimes | 15ebc88 | 2008-02-04 18:48:49 +0000 | [diff] [blame] | 837 | } |
| 838 | |
| 839 | PyDoc_STRVAR(sys_clear_type_cache__doc__, |
| 840 | "_clear_type_cache() -> None\n\ |
| 841 | Clear the internal type lookup cache."); |
| 842 | |
| 843 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 844 | static PyMethodDef sys_methods[] = { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 845 | /* Might as well keep this in alphabetic order */ |
| 846 | {"callstats", (PyCFunction)PyEval_GetCallStats, METH_NOARGS, |
| 847 | callstats_doc}, |
| 848 | {"_clear_type_cache", sys_clear_type_cache, METH_NOARGS, |
| 849 | sys_clear_type_cache__doc__}, |
| 850 | {"_current_frames", sys_current_frames, METH_NOARGS, |
| 851 | current_frames_doc}, |
| 852 | {"displayhook", sys_displayhook, METH_O, displayhook_doc}, |
| 853 | {"exc_info", sys_exc_info, METH_NOARGS, exc_info_doc}, |
| 854 | {"excepthook", sys_excepthook, METH_VARARGS, excepthook_doc}, |
| 855 | {"exit", sys_exit, METH_VARARGS, exit_doc}, |
| 856 | {"getdefaultencoding", (PyCFunction)sys_getdefaultencoding, |
| 857 | METH_NOARGS, getdefaultencoding_doc}, |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 858 | #ifdef HAVE_DLOPEN |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 859 | {"getdlopenflags", (PyCFunction)sys_getdlopenflags, METH_NOARGS, |
| 860 | getdlopenflags_doc}, |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 861 | #endif |
Sjoerd Mullender | 6ec3c65 | 1995-08-29 09:18:14 +0000 | [diff] [blame] | 862 | #ifdef COUNT_ALLOCS |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 863 | {"getcounts", (PyCFunction)sys_getcounts, METH_NOARGS}, |
Sjoerd Mullender | 6ec3c65 | 1995-08-29 09:18:14 +0000 | [diff] [blame] | 864 | #endif |
Guido van Rossum | 43f1b8d | 1997-01-24 04:07:45 +0000 | [diff] [blame] | 865 | #ifdef DYNAMIC_EXECUTION_PROFILE |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 866 | {"getdxp", _Py_GetDXProfile, METH_VARARGS}, |
Guido van Rossum | 43f1b8d | 1997-01-24 04:07:45 +0000 | [diff] [blame] | 867 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 868 | {"getfilesystemencoding", (PyCFunction)sys_getfilesystemencoding, |
| 869 | METH_NOARGS, getfilesystemencoding_doc}, |
Guido van Rossum | 7f3f2c1 | 1996-05-23 22:45:41 +0000 | [diff] [blame] | 870 | #ifdef Py_TRACE_REFS |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 871 | {"getobjects", _Py_GetObjects, METH_VARARGS}, |
Tim Peters | 4be93d0 | 2002-07-07 19:59:50 +0000 | [diff] [blame] | 872 | #endif |
| 873 | #ifdef Py_REF_DEBUG |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 874 | {"gettotalrefcount", (PyCFunction)sys_gettotalrefcount, METH_NOARGS}, |
Sjoerd Mullender | 6ec3c65 | 1995-08-29 09:18:14 +0000 | [diff] [blame] | 875 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 876 | {"getrefcount", (PyCFunction)sys_getrefcount, METH_O, getrefcount_doc}, |
| 877 | {"getrecursionlimit", (PyCFunction)sys_getrecursionlimit, METH_NOARGS, |
| 878 | getrecursionlimit_doc}, |
| 879 | {"getsizeof", (PyCFunction)sys_getsizeof, |
| 880 | METH_VARARGS | METH_KEYWORDS, getsizeof_doc}, |
| 881 | {"_getframe", sys_getframe, METH_VARARGS, getframe_doc}, |
Mark Hammond | 8696ebc | 2002-10-08 02:44:31 +0000 | [diff] [blame] | 882 | #ifdef MS_WINDOWS |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 883 | {"getwindowsversion", (PyCFunction)sys_getwindowsversion, METH_NOARGS, |
| 884 | getwindowsversion_doc}, |
Mark Hammond | 8696ebc | 2002-10-08 02:44:31 +0000 | [diff] [blame] | 885 | #endif /* MS_WINDOWS */ |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 886 | {"intern", sys_intern, METH_VARARGS, intern_doc}, |
Guido van Rossum | 14b4adb | 1992-09-03 20:25:30 +0000 | [diff] [blame] | 887 | #ifdef USE_MALLOPT |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 888 | {"mdebug", sys_mdebug, METH_VARARGS}, |
Guido van Rossum | 14b4adb | 1992-09-03 20:25:30 +0000 | [diff] [blame] | 889 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 890 | {"setdefaultencoding", sys_setdefaultencoding, METH_VARARGS, |
| 891 | setdefaultencoding_doc}, |
| 892 | {"setfilesystemencoding", sys_setfilesystemencoding, METH_VARARGS, |
| 893 | setfilesystemencoding_doc}, |
| 894 | {"setcheckinterval", sys_setcheckinterval, METH_VARARGS, |
| 895 | setcheckinterval_doc}, |
| 896 | {"getcheckinterval", sys_getcheckinterval, METH_NOARGS, |
| 897 | getcheckinterval_doc}, |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 898 | #ifdef HAVE_DLOPEN |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 899 | {"setdlopenflags", sys_setdlopenflags, METH_VARARGS, |
| 900 | setdlopenflags_doc}, |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 901 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 902 | {"setprofile", sys_setprofile, METH_O, setprofile_doc}, |
| 903 | {"getprofile", sys_getprofile, METH_NOARGS, getprofile_doc}, |
| 904 | {"setrecursionlimit", sys_setrecursionlimit, METH_VARARGS, |
| 905 | setrecursionlimit_doc}, |
Martin v. Löwis | f30d60e | 2004-06-08 08:17:44 +0000 | [diff] [blame] | 906 | #ifdef WITH_TSC |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 907 | {"settscdump", sys_settscdump, METH_VARARGS, settscdump_doc}, |
Martin v. Löwis | f30d60e | 2004-06-08 08:17:44 +0000 | [diff] [blame] | 908 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 909 | {"settrace", sys_settrace, METH_O, settrace_doc}, |
| 910 | {"gettrace", sys_gettrace, METH_NOARGS, gettrace_doc}, |
| 911 | {"call_tracing", sys_call_tracing, METH_VARARGS, call_tracing_doc}, |
| 912 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 913 | }; |
| 914 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 915 | static PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 916 | list_builtin_module_names(void) |
Guido van Rossum | 34679b7 | 1993-01-26 13:33:44 +0000 | [diff] [blame] | 917 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 918 | PyObject *list = PyList_New(0); |
| 919 | int i; |
| 920 | if (list == NULL) |
| 921 | return NULL; |
| 922 | for (i = 0; PyImport_Inittab[i].name != NULL; i++) { |
| 923 | PyObject *name = PyUnicode_FromString( |
| 924 | PyImport_Inittab[i].name); |
| 925 | if (name == NULL) |
| 926 | break; |
| 927 | PyList_Append(list, name); |
| 928 | Py_DECREF(name); |
| 929 | } |
| 930 | if (PyList_Sort(list) != 0) { |
| 931 | Py_DECREF(list); |
| 932 | list = NULL; |
| 933 | } |
| 934 | if (list) { |
| 935 | PyObject *v = PyList_AsTuple(list); |
| 936 | Py_DECREF(list); |
| 937 | list = v; |
| 938 | } |
| 939 | return list; |
Guido van Rossum | 34679b7 | 1993-01-26 13:33:44 +0000 | [diff] [blame] | 940 | } |
| 941 | |
Guido van Rossum | 23fff91 | 2000-12-15 22:02:05 +0000 | [diff] [blame] | 942 | static PyObject *warnoptions = NULL; |
| 943 | |
| 944 | void |
| 945 | PySys_ResetWarnOptions(void) |
| 946 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 947 | if (warnoptions == NULL || !PyList_Check(warnoptions)) |
| 948 | return; |
| 949 | PyList_SetSlice(warnoptions, 0, PyList_GET_SIZE(warnoptions), NULL); |
Guido van Rossum | 23fff91 | 2000-12-15 22:02:05 +0000 | [diff] [blame] | 950 | } |
| 951 | |
| 952 | void |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 953 | PySys_AddWarnOption(const wchar_t *s) |
Guido van Rossum | 23fff91 | 2000-12-15 22:02:05 +0000 | [diff] [blame] | 954 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 955 | PyObject *str; |
Guido van Rossum | 23fff91 | 2000-12-15 22:02:05 +0000 | [diff] [blame] | 956 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 957 | if (warnoptions == NULL || !PyList_Check(warnoptions)) { |
| 958 | Py_XDECREF(warnoptions); |
| 959 | warnoptions = PyList_New(0); |
| 960 | if (warnoptions == NULL) |
| 961 | return; |
| 962 | } |
| 963 | str = PyUnicode_FromWideChar(s, -1); |
| 964 | if (str != NULL) { |
| 965 | PyList_Append(warnoptions, str); |
| 966 | Py_DECREF(str); |
| 967 | } |
Guido van Rossum | 23fff91 | 2000-12-15 22:02:05 +0000 | [diff] [blame] | 968 | } |
| 969 | |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 970 | int |
| 971 | PySys_HasWarnOptions(void) |
| 972 | { |
| 973 | return (warnoptions != NULL && (PyList_Size(warnoptions) > 0)) ? 1 : 0; |
| 974 | } |
| 975 | |
Guido van Rossum | 40552d0 | 1998-08-06 03:34:39 +0000 | [diff] [blame] | 976 | /* XXX This doc string is too long to be a single string literal in VC++ 5.0. |
| 977 | Two literals concatenated works just fine. If you have a K&R compiler |
| 978 | or other abomination that however *does* understand longer strings, |
| 979 | get rid of the !!! comment in the middle and the quotes that surround it. */ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 980 | PyDoc_VAR(sys_doc) = |
| 981 | PyDoc_STR( |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 982 | "This module provides access to some objects used or maintained by the\n\ |
| 983 | interpreter and to functions that interact strongly with the interpreter.\n\ |
| 984 | \n\ |
| 985 | Dynamic objects:\n\ |
| 986 | \n\ |
| 987 | argv -- command line arguments; argv[0] is the script pathname if known\n\ |
| 988 | path -- module search path; path[0] is the script directory, else ''\n\ |
| 989 | modules -- dictionary of loaded modules\n\ |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 990 | \n\ |
| 991 | displayhook -- called to show results in an interactive session\n\ |
| 992 | excepthook -- called to handle any uncaught exception other than SystemExit\n\ |
| 993 | To customize printing in an interactive session or to install a custom\n\ |
| 994 | top-level exception handler, assign other functions to replace these.\n\ |
| 995 | \n\ |
Benjamin Peterson | 06157a4 | 2008-07-15 00:28:36 +0000 | [diff] [blame] | 996 | stdin -- standard input file object; used by input()\n\ |
Georg Brandl | 88fc664 | 2007-02-09 21:28:07 +0000 | [diff] [blame] | 997 | stdout -- standard output file object; used by print()\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 998 | stderr -- standard error object; used for error messages\n\ |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 999 | By assigning other file objects (or objects that behave like files)\n\ |
| 1000 | to these, it is possible to redirect all of the interpreter's I/O.\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 1001 | \n\ |
| 1002 | last_type -- type of last uncaught exception\n\ |
| 1003 | last_value -- value of last uncaught exception\n\ |
| 1004 | last_traceback -- traceback of last uncaught exception\n\ |
| 1005 | These three are only available in an interactive session after a\n\ |
| 1006 | traceback has been printed.\n\ |
Guido van Rossum | a71b5f4 | 1999-01-14 19:07:00 +0000 | [diff] [blame] | 1007 | " |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 1008 | ) |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 1009 | /* concatenating string here */ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 1010 | PyDoc_STR( |
Guido van Rossum | a71b5f4 | 1999-01-14 19:07:00 +0000 | [diff] [blame] | 1011 | "\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 1012 | Static objects:\n\ |
| 1013 | \n\ |
Christian Heimes | 2d378ab | 2007-12-15 01:28:04 +0000 | [diff] [blame] | 1014 | float_info -- a dict with information about the float implementation.\n\ |
Mark Dickinson | bd79264 | 2009-03-18 20:06:12 +0000 | [diff] [blame] | 1015 | int_info -- a struct sequence with information about the int implementation.\n\ |
Thomas Wouters | d2cf20e | 2007-08-30 22:57:53 +0000 | [diff] [blame] | 1016 | maxsize -- the largest supported length of containers.\n\ |
Martin v. Löwis | ce9b5a5 | 2001-06-27 06:28:56 +0000 | [diff] [blame] | 1017 | maxunicode -- the largest supported character\n\ |
Neal Norwitz | 2a47c0f | 2002-01-29 00:53:41 +0000 | [diff] [blame] | 1018 | builtin_module_names -- tuple of module names built into this interpreter\n\ |
Christian Heimes | 2d378ab | 2007-12-15 01:28:04 +0000 | [diff] [blame] | 1019 | subversion -- subversion information of the build as tuple\n\ |
Fred Drake | 801c08d | 2000-04-13 15:29:10 +0000 | [diff] [blame] | 1020 | version -- the version of this interpreter as a string\n\ |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1021 | version_info -- version information as a named tuple\n\ |
Fred Drake | 801c08d | 2000-04-13 15:29:10 +0000 | [diff] [blame] | 1022 | hexversion -- version information encoded as a single integer\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 1023 | copyright -- copyright notice pertaining to this interpreter\n\ |
| 1024 | platform -- platform identifier\n\ |
| 1025 | executable -- pathname of this Python interpreter\n\ |
| 1026 | prefix -- prefix used to find the Python library\n\ |
| 1027 | exec_prefix -- prefix used to find the machine-specific Python library\n\ |
Mark Dickinson | b08a53a | 2009-04-16 19:52:09 +0000 | [diff] [blame] | 1028 | float_repr_style -- string indicating the style of repr() output for floats\n\ |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 1029 | " |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 1030 | ) |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 1031 | #ifdef MS_WINDOWS |
| 1032 | /* concatenating string here */ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 1033 | PyDoc_STR( |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 1034 | "dllhandle -- [Windows only] integer handle of the Python DLL\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 1035 | winver -- [Windows only] version number of the Python DLL\n\ |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 1036 | " |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 1037 | ) |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 1038 | #endif /* MS_WINDOWS */ |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 1039 | PyDoc_STR( |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 1040 | "__stdin__ -- the original stdin; don't touch!\n\ |
| 1041 | __stdout__ -- the original stdout; don't touch!\n\ |
| 1042 | __stderr__ -- the original stderr; don't touch!\n\ |
| 1043 | __displayhook__ -- the original displayhook; don't touch!\n\ |
| 1044 | __excepthook__ -- the original excepthook; don't touch!\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 1045 | \n\ |
| 1046 | Functions:\n\ |
| 1047 | \n\ |
Georg Brandl | 1a3284e | 2007-12-02 09:40:06 +0000 | [diff] [blame] | 1048 | displayhook() -- print an object to the screen, and save it in builtins._\n\ |
Ka-Ping Yee | b5c5132 | 2001-03-23 02:46:52 +0000 | [diff] [blame] | 1049 | excepthook() -- print an exception and its traceback to sys.stderr\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 1050 | exc_info() -- return thread-safe information about the current exception\n\ |
| 1051 | exit() -- exit the interpreter by raising SystemExit\n\ |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 1052 | getdlopenflags() -- returns flags to be used for dlopen() calls\n\ |
Christian Heimes | 9bd667a | 2008-01-20 15:14:11 +0000 | [diff] [blame] | 1053 | getprofile() -- get the global profiling function\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 1054 | getrefcount() -- return the reference count for an object (plus one :-)\n\ |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 1055 | getrecursionlimit() -- return the max recursion depth for the interpreter\n\ |
Martin v. Löwis | 00709aa | 2008-06-04 14:18:43 +0000 | [diff] [blame] | 1056 | getsizeof() -- return the size of an object in bytes\n\ |
Christian Heimes | 9bd667a | 2008-01-20 15:14:11 +0000 | [diff] [blame] | 1057 | gettrace() -- get the global debug tracing function\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 1058 | setcheckinterval() -- control how often the interpreter checks for events\n\ |
Martin v. Löwis | f0473d5 | 2001-07-18 16:17:16 +0000 | [diff] [blame] | 1059 | setdlopenflags() -- set the flags to be used for dlopen() calls\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 1060 | setprofile() -- set the global profiling function\n\ |
Jeremy Hylton | ee5adfb | 2000-08-31 19:23:01 +0000 | [diff] [blame] | 1061 | setrecursionlimit() -- set the max recursion depth for the interpreter\n\ |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 1062 | settrace() -- set the global debug tracing function\n\ |
Fred Drake | ccede59 | 2000-08-14 20:59:57 +0000 | [diff] [blame] | 1063 | " |
Martin v. Löwis | a3fb4f7 | 2002-06-09 13:33:54 +0000 | [diff] [blame] | 1064 | ) |
Fred Drake | ccede59 | 2000-08-14 20:59:57 +0000 | [diff] [blame] | 1065 | /* end of sys_doc */ ; |
Guido van Rossum | c3bc31e | 1998-06-27 19:43:25 +0000 | [diff] [blame] | 1066 | |
Martin v. Löwis | 43b5780 | 2006-01-05 23:38:54 +0000 | [diff] [blame] | 1067 | /* Subversion branch and revision management */ |
Martin v. Löwis | 43b5780 | 2006-01-05 23:38:54 +0000 | [diff] [blame] | 1068 | static int svn_initialized; |
| 1069 | static char patchlevel_revision[50]; /* Just the number */ |
| 1070 | static char branch[50]; |
| 1071 | static char shortbranch[50]; |
| 1072 | static const char *svn_revision; |
| 1073 | |
Tim Peters | e86e7a5 | 2006-01-06 02:42:46 +0000 | [diff] [blame] | 1074 | static void |
| 1075 | svnversion_init(void) |
Martin v. Löwis | 43b5780 | 2006-01-05 23:38:54 +0000 | [diff] [blame] | 1076 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1077 | if (svn_initialized) |
| 1078 | return; |
Martin v. Löwis | 43b5780 | 2006-01-05 23:38:54 +0000 | [diff] [blame] | 1079 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1080 | svn_initialized = 1; |
Jesus Cea | 1d4ae84 | 2011-04-20 20:24:57 +0200 | [diff] [blame] | 1081 | *patchlevel_revision = '\0'; |
| 1082 | strcpy(branch, ""); |
| 1083 | strcpy(shortbranch, "unknown"); |
| 1084 | svn_revision = ""; |
Martin v. Löwis | 43b5780 | 2006-01-05 23:38:54 +0000 | [diff] [blame] | 1085 | } |
| 1086 | |
| 1087 | /* Return svnversion output if available. |
| 1088 | Else return Revision of patchlevel.h if on branch. |
| 1089 | Else return empty string */ |
| 1090 | const char* |
| 1091 | Py_SubversionRevision() |
| 1092 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1093 | svnversion_init(); |
| 1094 | return svn_revision; |
Martin v. Löwis | 43b5780 | 2006-01-05 23:38:54 +0000 | [diff] [blame] | 1095 | } |
| 1096 | |
| 1097 | const char* |
| 1098 | Py_SubversionShortBranch() |
| 1099 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1100 | svnversion_init(); |
| 1101 | return shortbranch; |
Martin v. Löwis | 43b5780 | 2006-01-05 23:38:54 +0000 | [diff] [blame] | 1102 | } |
| 1103 | |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1104 | |
| 1105 | PyDoc_STRVAR(flags__doc__, |
| 1106 | "sys.flags\n\ |
| 1107 | \n\ |
| 1108 | Flags provided through command line arguments or environment vars."); |
| 1109 | |
| 1110 | static PyTypeObject FlagsType; |
| 1111 | |
| 1112 | static PyStructSequence_Field flags_fields[] = { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1113 | {"debug", "-d"}, |
| 1114 | {"division_warning", "-Q"}, |
| 1115 | {"inspect", "-i"}, |
| 1116 | {"interactive", "-i"}, |
| 1117 | {"optimize", "-O or -OO"}, |
| 1118 | {"dont_write_bytecode", "-B"}, |
| 1119 | {"no_user_site", "-s"}, |
| 1120 | {"no_site", "-S"}, |
| 1121 | {"ignore_environment", "-E"}, |
| 1122 | {"verbose", "-v"}, |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1123 | #ifdef RISCOS |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1124 | {"riscos_wimp", "???"}, |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1125 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1126 | /* {"unbuffered", "-u"}, */ |
| 1127 | /* {"skip_first", "-x"}, */ |
| 1128 | {"bytes_warning", "-b"}, |
| 1129 | {0} |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1130 | }; |
| 1131 | |
| 1132 | static PyStructSequence_Desc flags_desc = { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1133 | "sys.flags", /* name */ |
| 1134 | flags__doc__, /* doc */ |
| 1135 | flags_fields, /* fields */ |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1136 | #ifdef RISCOS |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1137 | 12 |
Georg Brandl | e1b5ac6 | 2008-06-04 13:06:58 +0000 | [diff] [blame] | 1138 | #else |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1139 | 11 |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1140 | #endif |
| 1141 | }; |
| 1142 | |
| 1143 | static PyObject* |
| 1144 | make_flags(void) |
| 1145 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1146 | int pos = 0; |
| 1147 | PyObject *seq; |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1148 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1149 | seq = PyStructSequence_New(&FlagsType); |
| 1150 | if (seq == NULL) |
| 1151 | return NULL; |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1152 | |
| 1153 | #define SetFlag(flag) \ |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1154 | PyStructSequence_SET_ITEM(seq, pos++, PyLong_FromLong(flag)) |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1155 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1156 | SetFlag(Py_DebugFlag); |
| 1157 | SetFlag(Py_DivisionWarningFlag); |
| 1158 | SetFlag(Py_InspectFlag); |
| 1159 | SetFlag(Py_InteractiveFlag); |
| 1160 | SetFlag(Py_OptimizeFlag); |
| 1161 | SetFlag(Py_DontWriteBytecodeFlag); |
| 1162 | SetFlag(Py_NoUserSiteDirectory); |
| 1163 | SetFlag(Py_NoSiteFlag); |
| 1164 | SetFlag(Py_IgnoreEnvironmentFlag); |
| 1165 | SetFlag(Py_VerboseFlag); |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1166 | #ifdef RISCOS |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1167 | SetFlag(Py_RISCOSWimpFlag); |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1168 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1169 | /* SetFlag(saw_unbuffered_flag); */ |
| 1170 | /* SetFlag(skipfirstline); */ |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 1171 | SetFlag(Py_BytesWarningFlag); |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1172 | #undef SetFlag |
| 1173 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1174 | if (PyErr_Occurred()) { |
| 1175 | return NULL; |
| 1176 | } |
| 1177 | return seq; |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1178 | } |
| 1179 | |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1180 | PyDoc_STRVAR(version_info__doc__, |
| 1181 | "sys.version_info\n\ |
| 1182 | \n\ |
| 1183 | Version information as a named tuple."); |
| 1184 | |
| 1185 | static PyTypeObject VersionInfoType; |
| 1186 | |
| 1187 | static PyStructSequence_Field version_info_fields[] = { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1188 | {"major", "Major release number"}, |
| 1189 | {"minor", "Minor release number"}, |
| 1190 | {"micro", "Patch release number"}, |
| 1191 | {"releaselevel", "'alpha', 'beta', 'candidate', or 'release'"}, |
| 1192 | {"serial", "Serial release number"}, |
| 1193 | {0} |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1194 | }; |
| 1195 | |
| 1196 | static PyStructSequence_Desc version_info_desc = { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1197 | "sys.version_info", /* name */ |
| 1198 | version_info__doc__, /* doc */ |
| 1199 | version_info_fields, /* fields */ |
| 1200 | 5 |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1201 | }; |
| 1202 | |
| 1203 | static PyObject * |
| 1204 | make_version_info(void) |
| 1205 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1206 | PyObject *version_info; |
| 1207 | char *s; |
| 1208 | int pos = 0; |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1209 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1210 | version_info = PyStructSequence_New(&VersionInfoType); |
| 1211 | if (version_info == NULL) { |
| 1212 | return NULL; |
| 1213 | } |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1214 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1215 | /* |
| 1216 | * These release level checks are mutually exclusive and cover |
| 1217 | * the field, so don't get too fancy with the pre-processor! |
| 1218 | */ |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1219 | #if PY_RELEASE_LEVEL == PY_RELEASE_LEVEL_ALPHA |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1220 | s = "alpha"; |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1221 | #elif PY_RELEASE_LEVEL == PY_RELEASE_LEVEL_BETA |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1222 | s = "beta"; |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1223 | #elif PY_RELEASE_LEVEL == PY_RELEASE_LEVEL_GAMMA |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1224 | s = "candidate"; |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1225 | #elif PY_RELEASE_LEVEL == PY_RELEASE_LEVEL_FINAL |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1226 | s = "final"; |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1227 | #endif |
| 1228 | |
| 1229 | #define SetIntItem(flag) \ |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1230 | PyStructSequence_SET_ITEM(version_info, pos++, PyLong_FromLong(flag)) |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1231 | #define SetStrItem(flag) \ |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1232 | PyStructSequence_SET_ITEM(version_info, pos++, PyUnicode_FromString(flag)) |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1233 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1234 | SetIntItem(PY_MAJOR_VERSION); |
| 1235 | SetIntItem(PY_MINOR_VERSION); |
| 1236 | SetIntItem(PY_MICRO_VERSION); |
| 1237 | SetStrItem(s); |
| 1238 | SetIntItem(PY_RELEASE_SERIAL); |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1239 | #undef SetIntItem |
| 1240 | #undef SetStrItem |
| 1241 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1242 | if (PyErr_Occurred()) { |
| 1243 | Py_CLEAR(version_info); |
| 1244 | return NULL; |
| 1245 | } |
| 1246 | return version_info; |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1247 | } |
| 1248 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 1249 | static struct PyModuleDef sysmodule = { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1250 | PyModuleDef_HEAD_INIT, |
| 1251 | "sys", |
| 1252 | sys_doc, |
| 1253 | -1, /* multiple "initialization" just copies the module dict. */ |
| 1254 | sys_methods, |
| 1255 | NULL, |
| 1256 | NULL, |
| 1257 | NULL, |
| 1258 | NULL |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 1259 | }; |
| 1260 | |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 1261 | PyObject * |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1262 | _PySys_Init(void) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 1263 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1264 | PyObject *m, *v, *sysdict; |
| 1265 | char *s; |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 1266 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1267 | m = PyModule_Create(&sysmodule); |
| 1268 | if (m == NULL) |
| 1269 | return NULL; |
| 1270 | sysdict = PyModule_GetDict(m); |
| 1271 | #define SET_SYS_FROM_STRING(key, value) \ |
| 1272 | v = value; \ |
| 1273 | if (v != NULL) \ |
| 1274 | PyDict_SetItemString(sysdict, key, v); \ |
| 1275 | Py_XDECREF(v) |
Guido van Rossum | 25ce566 | 1997-08-02 03:10:38 +0000 | [diff] [blame] | 1276 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1277 | /* Check that stdin is not a directory |
| 1278 | Using shell redirection, you can redirect stdin to a directory, |
| 1279 | crashing the Python interpreter. Catch this common mistake here |
| 1280 | and output a useful error message. Note that under MS Windows, |
| 1281 | the shell already prevents that. */ |
Martin v. Löwis | ec59d04 | 2009-01-12 07:59:10 +0000 | [diff] [blame] | 1282 | #if !defined(MS_WINDOWS) |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1283 | { |
| 1284 | struct stat sb; |
| 1285 | if (fstat(fileno(stdin), &sb) == 0 && |
| 1286 | S_ISDIR(sb.st_mode)) { |
| 1287 | /* There's nothing more we can do. */ |
| 1288 | /* Py_FatalError() will core dump, so just exit. */ |
| 1289 | PySys_WriteStderr("Python error: <stdin> is a directory, cannot continue\n"); |
| 1290 | exit(EXIT_FAILURE); |
| 1291 | } |
| 1292 | } |
Martin v. Löwis | ec59d04 | 2009-01-12 07:59:10 +0000 | [diff] [blame] | 1293 | #endif |
Neal Norwitz | 11bd119 | 2005-10-03 00:54:56 +0000 | [diff] [blame] | 1294 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1295 | /* stdin/stdout/stderr are now set by pythonrun.c */ |
Martin v. Löwis | 5467d4c | 2003-05-10 07:10:12 +0000 | [diff] [blame] | 1296 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1297 | PyDict_SetItemString(sysdict, "__displayhook__", |
| 1298 | PyDict_GetItemString(sysdict, "displayhook")); |
| 1299 | PyDict_SetItemString(sysdict, "__excepthook__", |
| 1300 | PyDict_GetItemString(sysdict, "excepthook")); |
| 1301 | SET_SYS_FROM_STRING("version", |
| 1302 | PyUnicode_FromString(Py_GetVersion())); |
| 1303 | SET_SYS_FROM_STRING("hexversion", |
| 1304 | PyLong_FromLong(PY_VERSION_HEX)); |
| 1305 | svnversion_init(); |
| 1306 | SET_SYS_FROM_STRING("subversion", |
| 1307 | Py_BuildValue("(UUU)", "CPython", branch, |
| 1308 | svn_revision)); |
Georg Brandl | 1ca2e79 | 2011-03-05 20:51:24 +0100 | [diff] [blame] | 1309 | SET_SYS_FROM_STRING("_mercurial", |
| 1310 | Py_BuildValue("(szz)", "CPython", _Py_hgidentifier(), |
| 1311 | _Py_hgversion())); |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1312 | SET_SYS_FROM_STRING("dont_write_bytecode", |
| 1313 | PyBool_FromLong(Py_DontWriteBytecodeFlag)); |
| 1314 | SET_SYS_FROM_STRING("api_version", |
| 1315 | PyLong_FromLong(PYTHON_API_VERSION)); |
| 1316 | SET_SYS_FROM_STRING("copyright", |
| 1317 | PyUnicode_FromString(Py_GetCopyright())); |
| 1318 | SET_SYS_FROM_STRING("platform", |
| 1319 | PyUnicode_FromString(Py_GetPlatform())); |
| 1320 | SET_SYS_FROM_STRING("executable", |
| 1321 | PyUnicode_FromWideChar( |
| 1322 | Py_GetProgramFullPath(), -1)); |
| 1323 | SET_SYS_FROM_STRING("prefix", |
| 1324 | PyUnicode_FromWideChar(Py_GetPrefix(), -1)); |
| 1325 | SET_SYS_FROM_STRING("exec_prefix", |
| 1326 | PyUnicode_FromWideChar(Py_GetExecPrefix(), -1)); |
| 1327 | SET_SYS_FROM_STRING("maxsize", |
| 1328 | PyLong_FromSsize_t(PY_SSIZE_T_MAX)); |
| 1329 | SET_SYS_FROM_STRING("float_info", |
| 1330 | PyFloat_GetInfo()); |
| 1331 | SET_SYS_FROM_STRING("int_info", |
| 1332 | PyLong_GetInfo()); |
| 1333 | SET_SYS_FROM_STRING("maxunicode", |
| 1334 | PyLong_FromLong(PyUnicode_GetMax())); |
| 1335 | SET_SYS_FROM_STRING("builtin_module_names", |
| 1336 | list_builtin_module_names()); |
| 1337 | { |
| 1338 | /* Assumes that longs are at least 2 bytes long. |
| 1339 | Should be safe! */ |
| 1340 | unsigned long number = 1; |
| 1341 | char *value; |
Fred Drake | 099325e | 2000-08-14 15:47:03 +0000 | [diff] [blame] | 1342 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1343 | s = (char *) &number; |
| 1344 | if (s[0] == 0) |
| 1345 | value = "big"; |
| 1346 | else |
| 1347 | value = "little"; |
| 1348 | SET_SYS_FROM_STRING("byteorder", |
| 1349 | PyUnicode_FromString(value)); |
| 1350 | } |
Guido van Rossum | 8b9ea87 | 1996-08-23 18:14:47 +0000 | [diff] [blame] | 1351 | #ifdef MS_COREDLL |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1352 | SET_SYS_FROM_STRING("dllhandle", |
| 1353 | PyLong_FromVoidPtr(PyWin_DLLhModule)); |
| 1354 | SET_SYS_FROM_STRING("winver", |
| 1355 | PyUnicode_FromString(PyWin_DLLVersionString)); |
Guido van Rossum | c606fe1 | 1996-04-09 02:37:57 +0000 | [diff] [blame] | 1356 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1357 | if (warnoptions == NULL) { |
| 1358 | warnoptions = PyList_New(0); |
| 1359 | } |
| 1360 | else { |
| 1361 | Py_INCREF(warnoptions); |
| 1362 | } |
| 1363 | if (warnoptions != NULL) { |
| 1364 | PyDict_SetItemString(sysdict, "warnoptions", warnoptions); |
| 1365 | } |
Tim Peters | 216b78b | 2006-01-06 02:40:53 +0000 | [diff] [blame] | 1366 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1367 | /* version_info */ |
| 1368 | if (VersionInfoType.tp_name == 0) |
| 1369 | PyStructSequence_InitType(&VersionInfoType, &version_info_desc); |
| 1370 | SET_SYS_FROM_STRING("version_info", make_version_info()); |
| 1371 | /* prevent user from creating new instances */ |
| 1372 | VersionInfoType.tp_init = NULL; |
| 1373 | VersionInfoType.tp_new = NULL; |
Eric Smith | 0e5b562 | 2009-02-06 01:32:42 +0000 | [diff] [blame] | 1374 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1375 | /* flags */ |
| 1376 | if (FlagsType.tp_name == 0) |
| 1377 | PyStructSequence_InitType(&FlagsType, &flags_desc); |
| 1378 | SET_SYS_FROM_STRING("flags", make_flags()); |
| 1379 | /* prevent user from creating new instances */ |
| 1380 | FlagsType.tp_init = NULL; |
| 1381 | FlagsType.tp_new = NULL; |
Christian Heimes | d32ed6f | 2008-01-14 18:49:24 +0000 | [diff] [blame] | 1382 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1383 | /* float repr style: 0.03 (short) vs 0.029999999999999999 (legacy) */ |
Mark Dickinson | b08a53a | 2009-04-16 19:52:09 +0000 | [diff] [blame] | 1384 | #ifndef PY_NO_SHORT_FLOAT_REPR |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1385 | SET_SYS_FROM_STRING("float_repr_style", |
| 1386 | PyUnicode_FromString("short")); |
Mark Dickinson | b08a53a | 2009-04-16 19:52:09 +0000 | [diff] [blame] | 1387 | #else |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1388 | SET_SYS_FROM_STRING("float_repr_style", |
| 1389 | PyUnicode_FromString("legacy")); |
Mark Dickinson | b08a53a | 2009-04-16 19:52:09 +0000 | [diff] [blame] | 1390 | #endif |
| 1391 | |
Christian Heimes | 7b3ce6a | 2008-01-31 14:31:45 +0000 | [diff] [blame] | 1392 | #undef SET_SYS_FROM_STRING |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1393 | if (PyErr_Occurred()) |
| 1394 | return NULL; |
| 1395 | return m; |
Guido van Rossum | 5b3138b | 1990-11-18 17:41:40 +0000 | [diff] [blame] | 1396 | } |
| 1397 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 1398 | static PyObject * |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 1399 | makepathobject(const wchar_t *path, wchar_t delim) |
Guido van Rossum | 5b3138b | 1990-11-18 17:41:40 +0000 | [diff] [blame] | 1400 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1401 | int i, n; |
| 1402 | const wchar_t *p; |
| 1403 | PyObject *v, *w; |
Tim Peters | 216b78b | 2006-01-06 02:40:53 +0000 | [diff] [blame] | 1404 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1405 | n = 1; |
| 1406 | p = path; |
| 1407 | while ((p = wcschr(p, delim)) != NULL) { |
| 1408 | n++; |
| 1409 | p++; |
| 1410 | } |
| 1411 | v = PyList_New(n); |
| 1412 | if (v == NULL) |
| 1413 | return NULL; |
| 1414 | for (i = 0; ; i++) { |
| 1415 | p = wcschr(path, delim); |
| 1416 | if (p == NULL) |
| 1417 | p = path + wcslen(path); /* End of string */ |
| 1418 | w = PyUnicode_FromWideChar(path, (Py_ssize_t)(p - path)); |
| 1419 | if (w == NULL) { |
| 1420 | Py_DECREF(v); |
| 1421 | return NULL; |
| 1422 | } |
| 1423 | PyList_SetItem(v, i, w); |
| 1424 | if (*p == '\0') |
| 1425 | break; |
| 1426 | path = p+1; |
| 1427 | } |
| 1428 | return v; |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 1429 | } |
| 1430 | |
| 1431 | void |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 1432 | PySys_SetPath(const wchar_t *path) |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 1433 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1434 | PyObject *v; |
| 1435 | if ((v = makepathobject(path, DELIM)) == NULL) |
| 1436 | Py_FatalError("can't create sys.path"); |
| 1437 | if (PySys_SetObject("path", v) != 0) |
| 1438 | Py_FatalError("can't assign sys.path"); |
| 1439 | Py_DECREF(v); |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1440 | } |
| 1441 | |
Guido van Rossum | 65bf9f2 | 1997-04-29 18:33:38 +0000 | [diff] [blame] | 1442 | static PyObject * |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 1443 | makeargvobject(int argc, wchar_t **argv) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1444 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1445 | PyObject *av; |
| 1446 | if (argc <= 0 || argv == NULL) { |
| 1447 | /* Ensure at least one (empty) argument is seen */ |
| 1448 | static wchar_t *empty_argv[1] = {L""}; |
| 1449 | argv = empty_argv; |
| 1450 | argc = 1; |
| 1451 | } |
| 1452 | av = PyList_New(argc); |
| 1453 | if (av != NULL) { |
| 1454 | int i; |
| 1455 | for (i = 0; i < argc; i++) { |
Martin v. Löwis | c16f3bd | 2003-05-03 09:14:54 +0000 | [diff] [blame] | 1456 | #ifdef __VMS |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1457 | PyObject *v; |
Martin v. Löwis | c16f3bd | 2003-05-03 09:14:54 +0000 | [diff] [blame] | 1458 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1459 | /* argv[0] is the script pathname if known */ |
| 1460 | if (i == 0) { |
| 1461 | char* fn = decc$translate_vms(argv[0]); |
| 1462 | if ((fn == (char *)0) || fn == (char *)-1) |
| 1463 | v = PyUnicode_FromString(argv[0]); |
| 1464 | else |
| 1465 | v = PyUnicode_FromString( |
| 1466 | decc$translate_vms(argv[0])); |
| 1467 | } else |
| 1468 | v = PyUnicode_FromString(argv[i]); |
Martin v. Löwis | c16f3bd | 2003-05-03 09:14:54 +0000 | [diff] [blame] | 1469 | #else |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1470 | PyObject *v = PyUnicode_FromWideChar(argv[i], -1); |
Martin v. Löwis | c16f3bd | 2003-05-03 09:14:54 +0000 | [diff] [blame] | 1471 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1472 | if (v == NULL) { |
| 1473 | Py_DECREF(av); |
| 1474 | av = NULL; |
| 1475 | break; |
| 1476 | } |
| 1477 | PyList_SetItem(av, i, v); |
| 1478 | } |
| 1479 | } |
| 1480 | return av; |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1481 | } |
| 1482 | |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 1483 | #ifdef HAVE_REALPATH |
| 1484 | static wchar_t* |
| 1485 | _wrealpath(const wchar_t *path, wchar_t *resolved_path) |
| 1486 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1487 | char cpath[PATH_MAX]; |
| 1488 | char cresolved_path[PATH_MAX]; |
| 1489 | char *res; |
| 1490 | size_t r; |
| 1491 | r = wcstombs(cpath, path, PATH_MAX); |
| 1492 | if (r == (size_t)-1 || r >= PATH_MAX) { |
| 1493 | errno = EINVAL; |
| 1494 | return NULL; |
| 1495 | } |
| 1496 | res = realpath(cpath, cresolved_path); |
| 1497 | if (res == NULL) |
| 1498 | return NULL; |
| 1499 | r = mbstowcs(resolved_path, cresolved_path, PATH_MAX); |
| 1500 | if (r == (size_t)-1 || r >= PATH_MAX) { |
| 1501 | errno = EINVAL; |
| 1502 | return NULL; |
| 1503 | } |
| 1504 | return resolved_path; |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 1505 | } |
| 1506 | #endif |
| 1507 | |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1508 | void |
Antoine Pitrou | 71d305c | 2010-05-21 17:33:14 +0000 | [diff] [blame] | 1509 | PySys_SetArgvEx(int argc, wchar_t **argv, int updatepath) |
Guido van Rossum | 3f5da24 | 1990-12-20 15:06:42 +0000 | [diff] [blame] | 1510 | { |
Guido van Rossum | 162e38c | 2003-02-19 15:25:10 +0000 | [diff] [blame] | 1511 | #if defined(HAVE_REALPATH) |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1512 | wchar_t fullpath[MAXPATHLEN]; |
Martin v. Löwis | ec59d04 | 2009-01-12 07:59:10 +0000 | [diff] [blame] | 1513 | #elif defined(MS_WINDOWS) && !defined(MS_WINCE) |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1514 | wchar_t fullpath[MAX_PATH]; |
Thomas Heller | 27bb71e | 2003-01-08 14:33:48 +0000 | [diff] [blame] | 1515 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1516 | PyObject *av = makeargvobject(argc, argv); |
| 1517 | PyObject *path = PySys_GetObject("path"); |
| 1518 | if (av == NULL) |
| 1519 | Py_FatalError("no mem for sys.argv"); |
| 1520 | if (PySys_SetObject("argv", av) != 0) |
| 1521 | Py_FatalError("can't assign sys.argv"); |
Antoine Pitrou | 71d305c | 2010-05-21 17:33:14 +0000 | [diff] [blame] | 1522 | if (updatepath && path != NULL) { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1523 | wchar_t *argv0 = argv[0]; |
| 1524 | wchar_t *p = NULL; |
| 1525 | Py_ssize_t n = 0; |
| 1526 | PyObject *a; |
| 1527 | extern int _Py_wreadlink(const wchar_t *, wchar_t *, size_t); |
Guido van Rossum | c474dea | 1997-04-25 15:38:31 +0000 | [diff] [blame] | 1528 | #ifdef HAVE_READLINK |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1529 | wchar_t link[MAXPATHLEN+1]; |
| 1530 | wchar_t argv0copy[2*MAXPATHLEN+1]; |
| 1531 | int nr = 0; |
| 1532 | if (argc > 0 && argv0 != NULL && wcscmp(argv0, L"-c") != 0) |
| 1533 | nr = _Py_wreadlink(argv0, link, MAXPATHLEN); |
| 1534 | if (nr > 0) { |
| 1535 | /* It's a symlink */ |
| 1536 | link[nr] = '\0'; |
| 1537 | if (link[0] == SEP) |
| 1538 | argv0 = link; /* Link to absolute path */ |
| 1539 | else if (wcschr(link, SEP) == NULL) |
| 1540 | ; /* Link without path */ |
| 1541 | else { |
| 1542 | /* Must join(dirname(argv0), link) */ |
| 1543 | wchar_t *q = wcsrchr(argv0, SEP); |
| 1544 | if (q == NULL) |
| 1545 | argv0 = link; /* argv0 without path */ |
| 1546 | else { |
| 1547 | /* Must make a copy */ |
| 1548 | wcscpy(argv0copy, argv0); |
| 1549 | q = wcsrchr(argv0copy, SEP); |
| 1550 | wcscpy(q+1, link); |
| 1551 | argv0 = argv0copy; |
| 1552 | } |
| 1553 | } |
| 1554 | } |
Guido van Rossum | c474dea | 1997-04-25 15:38:31 +0000 | [diff] [blame] | 1555 | #endif /* HAVE_READLINK */ |
Guido van Rossum | cc88341 | 1996-09-10 14:44:21 +0000 | [diff] [blame] | 1556 | #if SEP == '\\' /* Special case for MS filename syntax */ |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1557 | if (argc > 0 && argv0 != NULL && wcscmp(argv0, L"-c") != 0) { |
| 1558 | wchar_t *q; |
Martin v. Löwis | ec59d04 | 2009-01-12 07:59:10 +0000 | [diff] [blame] | 1559 | #if defined(MS_WINDOWS) && !defined(MS_WINCE) |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1560 | /* This code here replaces the first element in argv with the full |
| 1561 | path that it represents. Under CE, there are no relative paths so |
| 1562 | the argument must be the full path anyway. */ |
| 1563 | wchar_t *ptemp; |
| 1564 | if (GetFullPathNameW(argv0, |
| 1565 | sizeof(fullpath)/sizeof(fullpath[0]), |
| 1566 | fullpath, |
| 1567 | &ptemp)) { |
| 1568 | argv0 = fullpath; |
| 1569 | } |
Thomas Heller | 27bb71e | 2003-01-08 14:33:48 +0000 | [diff] [blame] | 1570 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1571 | p = wcsrchr(argv0, SEP); |
| 1572 | /* Test for alternate separator */ |
| 1573 | q = wcsrchr(p ? p : argv0, '/'); |
| 1574 | if (q != NULL) |
| 1575 | p = q; |
| 1576 | if (p != NULL) { |
| 1577 | n = p + 1 - argv0; |
| 1578 | if (n > 1 && p[-1] != ':') |
| 1579 | n--; /* Drop trailing separator */ |
| 1580 | } |
| 1581 | } |
Guido van Rossum | cc88341 | 1996-09-10 14:44:21 +0000 | [diff] [blame] | 1582 | #else /* All other filename syntaxes */ |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1583 | if (argc > 0 && argv0 != NULL && wcscmp(argv0, L"-c") != 0) { |
Guido van Rossum | 162e38c | 2003-02-19 15:25:10 +0000 | [diff] [blame] | 1584 | #if defined(HAVE_REALPATH) |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1585 | if (_wrealpath(argv0, fullpath)) { |
| 1586 | argv0 = fullpath; |
| 1587 | } |
Guido van Rossum | 162e38c | 2003-02-19 15:25:10 +0000 | [diff] [blame] | 1588 | #endif |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1589 | p = wcsrchr(argv0, SEP); |
| 1590 | } |
| 1591 | if (p != NULL) { |
| 1592 | n = p + 1 - argv0; |
Guido van Rossum | cc88341 | 1996-09-10 14:44:21 +0000 | [diff] [blame] | 1593 | #if SEP == '/' /* Special case for Unix filename syntax */ |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1594 | if (n > 1) |
| 1595 | n--; /* Drop trailing separator */ |
Guido van Rossum | cc88341 | 1996-09-10 14:44:21 +0000 | [diff] [blame] | 1596 | #endif /* Unix */ |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1597 | } |
Guido van Rossum | cc88341 | 1996-09-10 14:44:21 +0000 | [diff] [blame] | 1598 | #endif /* All others */ |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1599 | a = PyUnicode_FromWideChar(argv0, n); |
| 1600 | if (a == NULL) |
| 1601 | Py_FatalError("no mem for sys.path insertion"); |
| 1602 | if (PyList_Insert(path, 0, a) < 0) |
| 1603 | Py_FatalError("sys.path.insert(0) failed"); |
| 1604 | Py_DECREF(a); |
| 1605 | } |
| 1606 | Py_DECREF(av); |
Guido van Rossum | 85a5fbb | 1990-10-14 12:07:46 +0000 | [diff] [blame] | 1607 | } |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1608 | |
Antoine Pitrou | 71d305c | 2010-05-21 17:33:14 +0000 | [diff] [blame] | 1609 | void |
| 1610 | PySys_SetArgv(int argc, wchar_t **argv) |
| 1611 | { |
| 1612 | PySys_SetArgvEx(argc, argv, 1); |
| 1613 | } |
| 1614 | |
Victor Stinner | 32366b4 | 2010-04-23 12:04:53 +0000 | [diff] [blame] | 1615 | /* Reimplementation of PyFile_WriteString() no calling indirectly |
| 1616 | PyErr_CheckSignals(): avoid the call to PyObject_Str(). */ |
| 1617 | |
| 1618 | static int |
| 1619 | sys_pyfile_write(const char *text, PyObject *file) |
| 1620 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1621 | PyObject *unicode = NULL, *writer = NULL, *args = NULL, *result = NULL; |
| 1622 | int err; |
Victor Stinner | 32366b4 | 2010-04-23 12:04:53 +0000 | [diff] [blame] | 1623 | |
Victor Stinner | a01c6b3 | 2010-06-08 20:50:09 +0000 | [diff] [blame] | 1624 | if (file == NULL) |
| 1625 | return -1; |
| 1626 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1627 | unicode = PyUnicode_FromString(text); |
| 1628 | if (unicode == NULL) |
| 1629 | goto error; |
Victor Stinner | 32366b4 | 2010-04-23 12:04:53 +0000 | [diff] [blame] | 1630 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1631 | writer = PyObject_GetAttrString(file, "write"); |
| 1632 | if (writer == NULL) |
| 1633 | goto error; |
Victor Stinner | 32366b4 | 2010-04-23 12:04:53 +0000 | [diff] [blame] | 1634 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1635 | args = PyTuple_Pack(1, unicode); |
| 1636 | if (args == NULL) |
| 1637 | goto error; |
Victor Stinner | 32366b4 | 2010-04-23 12:04:53 +0000 | [diff] [blame] | 1638 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1639 | result = PyEval_CallObject(writer, args); |
| 1640 | if (result == NULL) { |
| 1641 | goto error; |
| 1642 | } else { |
| 1643 | err = 0; |
| 1644 | goto finally; |
| 1645 | } |
Victor Stinner | 32366b4 | 2010-04-23 12:04:53 +0000 | [diff] [blame] | 1646 | |
| 1647 | error: |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1648 | err = -1; |
Victor Stinner | 32366b4 | 2010-04-23 12:04:53 +0000 | [diff] [blame] | 1649 | finally: |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1650 | Py_XDECREF(unicode); |
| 1651 | Py_XDECREF(writer); |
| 1652 | Py_XDECREF(args); |
| 1653 | Py_XDECREF(result); |
| 1654 | return err; |
Victor Stinner | 32366b4 | 2010-04-23 12:04:53 +0000 | [diff] [blame] | 1655 | } |
| 1656 | |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1657 | |
| 1658 | /* APIs to write to sys.stdout or sys.stderr using a printf-like interface. |
| 1659 | Adapted from code submitted by Just van Rossum. |
| 1660 | |
| 1661 | PySys_WriteStdout(format, ...) |
| 1662 | PySys_WriteStderr(format, ...) |
| 1663 | |
| 1664 | The first function writes to sys.stdout; the second to sys.stderr. When |
| 1665 | there is a problem, they write to the real (C level) stdout or stderr; |
Guido van Rossum | 8442af3 | 1998-10-12 18:22:10 +0000 | [diff] [blame] | 1666 | no exceptions are raised. |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1667 | |
Victor Stinner | 32366b4 | 2010-04-23 12:04:53 +0000 | [diff] [blame] | 1668 | PyErr_CheckSignals() is not called to avoid the execution of the Python |
| 1669 | signal handlers: they may raise a new exception whereas mywrite() ignores |
| 1670 | all exceptions. |
| 1671 | |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1672 | Both take a printf-style format string as their first argument followed |
| 1673 | by a variable length argument list determined by the format string. |
| 1674 | |
| 1675 | *** WARNING *** |
| 1676 | |
| 1677 | The format should limit the total size of the formatted output string to |
| 1678 | 1000 bytes. In particular, this means that no unrestricted "%s" formats |
| 1679 | should occur; these should be limited using "%.<N>s where <N> is a |
| 1680 | decimal number calculated so that <N> plus the maximum size of other |
| 1681 | formatted text does not exceed 1000 bytes. Also watch out for "%f", |
| 1682 | which can print hundreds of digits for very large numbers. |
| 1683 | |
| 1684 | */ |
| 1685 | |
| 1686 | static void |
Thomas Wouters | f70ef4f | 2000-07-22 18:47:25 +0000 | [diff] [blame] | 1687 | mywrite(char *name, FILE *fp, const char *format, va_list va) |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1688 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1689 | PyObject *file; |
| 1690 | PyObject *error_type, *error_value, *error_traceback; |
| 1691 | char buffer[1001]; |
| 1692 | int written; |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1693 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1694 | PyErr_Fetch(&error_type, &error_value, &error_traceback); |
| 1695 | file = PySys_GetObject(name); |
| 1696 | written = PyOS_vsnprintf(buffer, sizeof(buffer), format, va); |
| 1697 | if (sys_pyfile_write(buffer, file) != 0) { |
| 1698 | PyErr_Clear(); |
| 1699 | fputs(buffer, fp); |
| 1700 | } |
| 1701 | if (written < 0 || (size_t)written >= sizeof(buffer)) { |
| 1702 | const char *truncated = "... truncated"; |
| 1703 | if (sys_pyfile_write(truncated, file) != 0) { |
| 1704 | PyErr_Clear(); |
| 1705 | fputs(truncated, fp); |
| 1706 | } |
| 1707 | } |
| 1708 | PyErr_Restore(error_type, error_value, error_traceback); |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1709 | } |
| 1710 | |
| 1711 | void |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1712 | PySys_WriteStdout(const char *format, ...) |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1713 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1714 | va_list va; |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1715 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1716 | va_start(va, format); |
| 1717 | mywrite("stdout", stdout, format, va); |
| 1718 | va_end(va); |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1719 | } |
| 1720 | |
| 1721 | void |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1722 | PySys_WriteStderr(const char *format, ...) |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1723 | { |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1724 | va_list va; |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1725 | |
Antoine Pitrou | 7f14f0d | 2010-05-09 16:14:21 +0000 | [diff] [blame] | 1726 | va_start(va, format); |
| 1727 | mywrite("stderr", stderr, format, va); |
| 1728 | va_end(va); |
Guido van Rossum | a890e68 | 1998-05-12 14:59:24 +0000 | [diff] [blame] | 1729 | } |