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Guido van Rossum667d7041995-08-04 04:20:48 +00001/* Python interpreter main program */
2
3#include "Python.h"
Guido van Rossuma075ce11997-12-05 21:56:45 +00004#include "osdefs.h"
Guido van Rossum667d7041995-08-04 04:20:48 +00005
Antoine Pitrou5651eaa2008-09-06 20:46:58 +00006#include <locale.h>
7
Martin v. Löwis79acb9e2002-12-06 12:48:53 +00008#ifdef __VMS
Victor Stinnerb90db4c2011-04-26 22:48:24 +02009#error "PEP 11: VMS is now unsupported, code will be removed in Python 3.4"
Martin v. Löwis7a924e62003-03-05 14:15:21 +000010#include <unixlib.h>
Martin v. Löwis79acb9e2002-12-06 12:48:53 +000011#endif
12
Sjoerd Mullender9cf424b2002-08-09 13:35:18 +000013#if defined(MS_WINDOWS) || defined(__CYGWIN__)
Martin v. Löwis945362c2007-08-30 14:57:25 +000014#include <windows.h>
Thomas Wouters477c8d52006-05-27 19:21:47 +000015#ifdef HAVE_FCNTL_H
Guido van Rossum3e7ae7a1997-01-17 22:05:38 +000016#include <fcntl.h>
Martin v. Löwis790465f2008-04-05 20:41:37 +000017#define PATH_MAX MAXPATHLEN
Guido van Rossum3e7ae7a1997-01-17 22:05:38 +000018#endif
Thomas Wouters477c8d52006-05-27 19:21:47 +000019#endif
Guido van Rossum3e7ae7a1997-01-17 22:05:38 +000020
Martin v. Löwis945362c2007-08-30 14:57:25 +000021#ifdef _MSC_VER
22#include <crtdbg.h>
23#endif
24
Jesus Ceaab70e2a2012-10-05 01:48:08 +020025#if defined(MS_WINDOWS)
Guido van Rossuma075ce11997-12-05 21:56:45 +000026#define PYTHONHOMEHELP "<prefix>\\lib"
27#else
Marc-André Lemburgda4dbc32001-06-12 16:13:51 +000028#define PYTHONHOMEHELP "<prefix>/pythonX.X"
Guido van Rossuma075ce11997-12-05 21:56:45 +000029#endif
30
Thomas Wouters2cffc7d2000-11-03 08:18:37 +000031#include "pygetopt.h"
32
Guido van Rossuma22865e2000-09-05 04:41:18 +000033#define COPYRIGHT \
Guido van Rossum36002d72001-07-18 16:59:46 +000034 "Type \"help\", \"copyright\", \"credits\" or \"license\" " \
35 "for more information."
Guido van Rossuma22865e2000-09-05 04:41:18 +000036
Thomas Wouters49fd7fa2006-04-21 10:40:58 +000037#ifdef __cplusplus
38extern "C" {
39#endif
40
Guido van Rossumac56b031996-07-21 02:33:38 +000041/* For Py_GetArgcArgv(); set by main() */
Martin v. Löwis790465f2008-04-05 20:41:37 +000042static wchar_t **orig_argv;
Guido van Rossum667d7041995-08-04 04:20:48 +000043static int orig_argc;
44
Guido van Rossumbceccf52001-04-10 22:07:43 +000045/* command line options */
Georg Brandl09a7c722012-02-20 21:31:46 +010046#define BASE_OPTS L"bBc:dEhiJm:OqRsStuvVW:xX:?"
Guido van Rossumbceccf52001-04-10 22:07:43 +000047
Guido van Rossumbceccf52001-04-10 22:07:43 +000048#define PROGRAM_OPTS BASE_OPTS
Guido van Rossum3ed4c152001-03-02 06:18:03 +000049
Guido van Rossum667d7041995-08-04 04:20:48 +000050/* Short usage message (with %s for argv0) */
51static char *usage_line =
Martin v. Löwis790465f2008-04-05 20:41:37 +000052"usage: %ls [option] ... [-c cmd | -m mod | file | -] [arg] ...\n";
Guido van Rossum667d7041995-08-04 04:20:48 +000053
54/* Long usage message, split into parts < 512 bytes */
Guido van Rossum393661d2001-08-31 17:40:15 +000055static char *usage_1 = "\
Guido van Rossum667d7041995-08-04 04:20:48 +000056Options and arguments (and corresponding environment variables):\n\
Christian Heimes2ab34442008-09-03 20:31:07 +000057-b : issue warnings about str(bytes_instance), str(bytearray_instance)\n\
58 and comparing bytes/bytearray with str. (-bb: issue errors)\n\
Christian Heimes790c8232008-01-07 21:14:23 +000059-B : don't write .py[co] files on import; also PYTHONDONTWRITEBYTECODE=x\n\
Guido van Rossum393661d2001-08-31 17:40:15 +000060-c cmd : program passed in as string (terminates option list)\n\
Thomas Wouters89f507f2006-12-13 04:49:30 +000061-d : debug output from parser; also PYTHONDEBUG=x\n\
Christian Heimes790c8232008-01-07 21:14:23 +000062-E : ignore PYTHON* environment variables (such as PYTHONPATH)\n\
Thomas Wouters0e3f5912006-08-11 14:57:12 +000063-h : print this help message and exit (also --help)\n\
Guido van Rossum61c345f2001-09-04 03:26:15 +000064";
65static char *usage_2 = "\
Guido van Rossum98297ee2007-11-06 21:34:58 +000066-i : inspect interactively after running script; forces a prompt even\n\
67 if stdin does not appear to be a terminal; also PYTHONINSPECT=x\n\
Raymond Hettingerdb29e0f2004-10-07 06:46:25 +000068-m mod : run library module as a script (terminates option list)\n\
Thomas Wouters89f507f2006-12-13 04:49:30 +000069-O : optimize generated bytecode slightly; also PYTHONOPTIMIZE=x\n\
Guido van Rossum6b86a421999-01-28 15:07:47 +000070-OO : remove doc-strings in addition to the -O optimizations\n\
Georg Brandl9d871192010-12-04 10:47:18 +000071-q : don't print version and copyright messages on interactive startup\n\
Christian Heimes8dc226f2008-05-06 23:45:46 +000072-s : don't add user site directory to sys.path; also PYTHONNOUSERSITE\n\
Guido van Rossum7922bd71997-08-29 22:34:47 +000073-S : don't imply 'import site' on initialization\n\
Guido van Rossum393661d2001-08-31 17:40:15 +000074";
75static char *usage_3 = "\
Guido van Rossum98297ee2007-11-06 21:34:58 +000076-u : unbuffered binary stdout and stderr; also PYTHONUNBUFFERED=x\n\
Raymond Hettingerdb29e0f2004-10-07 06:46:25 +000077 see man page for details on internal buffering relating to '-u'\n\
Thomas Wouters89f507f2006-12-13 04:49:30 +000078-v : verbose (trace import statements); also PYTHONVERBOSE=x\n\
79 can be supplied multiple times to increase verbosity\n\
Thomas Wouters0e3f5912006-08-11 14:57:12 +000080-V : print the Python version number and exit (also --version)\n\
Thomas Wouters89f507f2006-12-13 04:49:30 +000081-W arg : warning control; arg is action:message:category:module:lineno\n\
Philip Jenvey0805ca32010-04-07 04:04:10 +000082 also PYTHONWARNINGS=arg\n\
Guido van Rossum393661d2001-08-31 17:40:15 +000083-x : skip first line of source, allowing use of non-Unix forms of #!cmd\n\
Antoine Pitrou9583cac2010-10-21 13:42:28 +000084-X opt : set implementation-specific option\n\
Guido van Rossum7922bd71997-08-29 22:34:47 +000085";
Guido van Rossum393661d2001-08-31 17:40:15 +000086static char *usage_4 = "\
Guido van Rossum98297ee2007-11-06 21:34:58 +000087file : program read from script file\n\
88- : program read from stdin (default; interactive mode if a tty)\n\
Thomas Wouters89f507f2006-12-13 04:49:30 +000089arg ...: arguments passed to program in sys.argv[1:]\n\n\
Guido van Rossum667d7041995-08-04 04:20:48 +000090Other environment variables:\n\
91PYTHONSTARTUP: file executed on interactive startup (no default)\n\
Guido van Rossuma075ce11997-12-05 21:56:45 +000092PYTHONPATH : '%c'-separated list of directories prefixed to the\n\
Guido van Rossum667d7041995-08-04 04:20:48 +000093 default module search path. The result is sys.path.\n\
Christian Heimes790c8232008-01-07 21:14:23 +000094";
Victor Stinner9802b392010-08-19 11:36:43 +000095static char *usage_5 =
96"PYTHONHOME : alternate <prefix> directory (or <prefix>%c<exec_prefix>).\n"
97" The default module search path uses %s.\n"
98"PYTHONCASEOK : ignore case in 'import' statements (Windows).\n"
99"PYTHONIOENCODING: Encoding[:errors] used for stdin/stdout/stderr.\n"
Georg Brandl2fb477c2012-02-21 00:33:36 +0100100"PYTHONFAULTHANDLER: dump the Python traceback on fatal errors.\n\
Guido van Rossum667d7041995-08-04 04:20:48 +0000101";
Georg Brandl2daf6ae2012-02-20 19:54:16 +0100102static char *usage_6 = "\
Georg Brandl42ae4722012-02-21 22:37:36 +0100103PYTHONHASHSEED: if this variable is set to 'random', a random value is used\n\
Benjamin Petersonc9f54cf2012-02-21 16:08:05 -0500104 to seed the hashes of str, bytes and datetime objects. It can also be\n\
105 set to an integer in the range [0,4294967295] to get hash values with a\n\
106 predictable seed.\n\
Georg Brandl2daf6ae2012-02-20 19:54:16 +0100107";
Guido van Rossum667d7041995-08-04 04:20:48 +0000108
Martin v. Löwis852ba7e2003-03-30 17:09:58 +0000109static int
Martin v. Löwis790465f2008-04-05 20:41:37 +0000110usage(int exitcode, wchar_t* program)
Barry Warsaw3b2aedb2000-09-15 18:40:42 +0000111{
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000112 FILE *f = exitcode ? stderr : stdout;
Guido van Rossum393661d2001-08-31 17:40:15 +0000113
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000114 fprintf(f, usage_line, program);
115 if (exitcode)
116 fprintf(f, "Try `python -h' for more information.\n");
117 else {
118 fputs(usage_1, f);
119 fputs(usage_2, f);
120 fputs(usage_3, f);
121 fprintf(f, usage_4, DELIM);
122 fprintf(f, usage_5, DELIM, PYTHONHOMEHELP);
Georg Brandl2daf6ae2012-02-20 19:54:16 +0100123 fputs(usage_6, f);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000124 }
Martin v. Löwis79acb9e2002-12-06 12:48:53 +0000125#if defined(__VMS)
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000126 if (exitcode == 0) {
127 /* suppress 'error' message */
128 return 1;
129 }
130 else {
131 /* STS$M_INHIB_MSG + SS$_ABORT */
132 return 0x1000002c;
133 }
Martin v. Löwis79acb9e2002-12-06 12:48:53 +0000134#else
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000135 return exitcode;
Martin v. Löwis79acb9e2002-12-06 12:48:53 +0000136#endif
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000137 /*NOTREACHED*/
Barry Warsaw3b2aedb2000-09-15 18:40:42 +0000138}
139
Martin v. Löwis6caea372003-11-18 19:46:25 +0000140static void RunStartupFile(PyCompilerFlags *cf)
141{
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000142 char *startup = Py_GETENV("PYTHONSTARTUP");
143 if (startup != NULL && startup[0] != '\0') {
144 FILE *fp = fopen(startup, "r");
145 if (fp != NULL) {
146 (void) PyRun_SimpleFileExFlags(fp, startup, 0, cf);
147 PyErr_Clear();
148 fclose(fp);
149 } else {
150 int save_errno;
151
152 save_errno = errno;
153 PySys_WriteStderr("Could not open PYTHONSTARTUP\n");
154 errno = save_errno;
155 PyErr_SetFromErrnoWithFilename(PyExc_IOError,
156 startup);
157 PyErr_Print();
158 PyErr_Clear();
159 }
160 }
Martin v. Löwis6caea372003-11-18 19:46:25 +0000161}
162
Antoine Pitrou1a6cb302013-05-04 20:08:35 +0200163static void RunInteractiveHook(void)
164{
165 PyObject *sys, *hook, *result;
166 sys = PyImport_ImportModule("sys");
167 if (sys == NULL)
168 goto error;
169 hook = PyObject_GetAttrString(sys, "__interactivehook__");
170 Py_DECREF(sys);
171 if (hook == NULL)
172 PyErr_Clear();
173 else {
174 result = PyObject_CallObject(hook, NULL);
175 Py_DECREF(hook);
176 if (result == NULL)
177 goto error;
178 else
179 Py_DECREF(result);
180 }
181 return;
182
183error:
184 PySys_WriteStderr("Failed calling sys.__interactivehook__\n");
185 PyErr_Print();
186 PyErr_Clear();
187}
188
Thomas Woutersa9773292006-04-21 09:43:23 +0000189
Antoine Pitrou5651eaa2008-09-06 20:46:58 +0000190static int RunModule(wchar_t *modname, int set_argv0)
Raymond Hettingerdb29e0f2004-10-07 06:46:25 +0000191{
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000192 PyObject *module, *runpy, *runmodule, *runargs, *result;
193 runpy = PyImport_ImportModule("runpy");
194 if (runpy == NULL) {
195 fprintf(stderr, "Could not import runpy module\n");
Victor Stinner7d36e4f2013-04-10 00:27:23 +0200196 PyErr_Print();
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000197 return -1;
198 }
199 runmodule = PyObject_GetAttrString(runpy, "_run_module_as_main");
200 if (runmodule == NULL) {
201 fprintf(stderr, "Could not access runpy._run_module_as_main\n");
Victor Stinner7d36e4f2013-04-10 00:27:23 +0200202 PyErr_Print();
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000203 Py_DECREF(runpy);
204 return -1;
205 }
206 module = PyUnicode_FromWideChar(modname, wcslen(modname));
207 if (module == NULL) {
208 fprintf(stderr, "Could not convert module name to unicode\n");
Victor Stinner7d36e4f2013-04-10 00:27:23 +0200209 PyErr_Print();
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000210 Py_DECREF(runpy);
211 Py_DECREF(runmodule);
212 return -1;
213 }
214 runargs = Py_BuildValue("(Oi)", module, set_argv0);
215 if (runargs == NULL) {
216 fprintf(stderr,
217 "Could not create arguments for runpy._run_module_as_main\n");
Victor Stinner7d36e4f2013-04-10 00:27:23 +0200218 PyErr_Print();
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000219 Py_DECREF(runpy);
220 Py_DECREF(runmodule);
221 Py_DECREF(module);
222 return -1;
223 }
224 result = PyObject_Call(runmodule, runargs, NULL);
225 if (result == NULL) {
226 PyErr_Print();
227 }
228 Py_DECREF(runpy);
229 Py_DECREF(runmodule);
230 Py_DECREF(module);
231 Py_DECREF(runargs);
232 if (result == NULL) {
233 return -1;
234 }
235 Py_DECREF(result);
236 return 0;
Raymond Hettingerdb29e0f2004-10-07 06:46:25 +0000237}
Barry Warsaw3b2aedb2000-09-15 18:40:42 +0000238
Victor Stinner4726e402010-10-06 23:24:57 +0000239static int
240RunMainFromImporter(wchar_t *filename)
Christian Heimes9cd17752007-11-18 19:35:23 +0000241{
Victor Stinner4726e402010-10-06 23:24:57 +0000242 PyObject *argv0 = NULL, *importer, *sys_path;
243 int sts;
Christian Heimes9cd17752007-11-18 19:35:23 +0000244
Victor Stinner4726e402010-10-06 23:24:57 +0000245 argv0 = PyUnicode_FromWideChar(filename, wcslen(filename));
246 if (argv0 == NULL)
247 goto error;
248
249 importer = PyImport_GetImporter(argv0);
250 if (importer == NULL)
251 goto error;
252
Brett Cannonaa936422012-04-27 15:30:58 -0400253 if (importer == Py_None) {
Victor Stinner4726e402010-10-06 23:24:57 +0000254 Py_DECREF(argv0);
255 Py_DECREF(importer);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000256 return -1;
257 }
Victor Stinner4726e402010-10-06 23:24:57 +0000258 Py_DECREF(importer);
259
260 /* argv0 is usable as an import source, so put it in sys.path[0]
261 and import __main__ */
262 sys_path = PySys_GetObject("path");
Victor Stinner1e53bba2013-07-16 22:26:05 +0200263 if (sys_path == NULL) {
264 PyErr_SetString(PyExc_RuntimeError, "unable to get sys.path");
Victor Stinner4726e402010-10-06 23:24:57 +0000265 goto error;
Victor Stinner1e53bba2013-07-16 22:26:05 +0200266 }
Victor Stinner4726e402010-10-06 23:24:57 +0000267 if (PyList_SetItem(sys_path, 0, argv0)) {
268 argv0 = NULL;
269 goto error;
270 }
271 Py_INCREF(argv0);
272
273 sts = RunModule(L"__main__", 0);
274 return sts != 0;
275
276error:
277 Py_XDECREF(argv0);
278 PyErr_Print();
279 return 1;
Christian Heimes9cd17752007-11-18 19:35:23 +0000280}
281
Victor Stinnera62207c2010-08-07 10:57:17 +0000282static int
283run_command(wchar_t *command, PyCompilerFlags *cf)
284{
285 PyObject *unicode, *bytes;
286 int ret;
287
288 unicode = PyUnicode_FromWideChar(command, -1);
289 if (unicode == NULL)
290 goto error;
291 bytes = PyUnicode_AsUTF8String(unicode);
292 Py_DECREF(unicode);
293 if (bytes == NULL)
294 goto error;
295 ret = PyRun_SimpleStringFlags(PyBytes_AsString(bytes), cf);
296 Py_DECREF(bytes);
297 return ret != 0;
298
299error:
Victor Stinner398356b2010-08-18 22:23:22 +0000300 PySys_WriteStderr("Unable to decode the command from the command line:\n");
Victor Stinnera62207c2010-08-07 10:57:17 +0000301 PyErr_Print();
302 return 1;
303}
304
Victor Stinner0a3ddad2010-08-07 16:34:25 +0000305static int
306run_file(FILE *fp, const wchar_t *filename, PyCompilerFlags *p_cf)
307{
308 PyObject *unicode, *bytes = NULL;
309 char *filename_str;
310 int run;
311
312 /* call pending calls like signal handlers (SIGINT) */
313 if (Py_MakePendingCalls() == -1) {
314 PyErr_Print();
315 return 1;
316 }
317
318 if (filename) {
319 unicode = PyUnicode_FromWideChar(filename, wcslen(filename));
320 if (unicode != NULL) {
Victor Stinnere0f32682010-10-17 19:34:51 +0000321 bytes = PyUnicode_EncodeFSDefault(unicode);
Victor Stinner0a3ddad2010-08-07 16:34:25 +0000322 Py_DECREF(unicode);
323 }
324 if (bytes != NULL)
325 filename_str = PyBytes_AsString(bytes);
326 else {
327 PyErr_Clear();
Victor Stinnere0f32682010-10-17 19:34:51 +0000328 filename_str = "<encoding error>";
Victor Stinner0a3ddad2010-08-07 16:34:25 +0000329 }
330 }
331 else
332 filename_str = "<stdin>";
333
334 run = PyRun_AnyFileExFlags(fp, filename_str, filename != NULL, p_cf);
335 Py_XDECREF(bytes);
336 return run != 0;
337}
338
Christian Heimes9cd17752007-11-18 19:35:23 +0000339
Guido van Rossum667d7041995-08-04 04:20:48 +0000340/* Main program */
341
Mark Hammondfe51c6d2002-08-02 02:27:13 +0000342int
Martin v. Löwis790465f2008-04-05 20:41:37 +0000343Py_Main(int argc, wchar_t **argv)
Guido van Rossum667d7041995-08-04 04:20:48 +0000344{
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000345 int c;
346 int sts;
347 wchar_t *command = NULL;
348 wchar_t *filename = NULL;
349 wchar_t *module = NULL;
350 FILE *fp = stdin;
351 char *p;
Philip Jenveye53de3d2010-04-14 03:01:39 +0000352#ifdef MS_WINDOWS
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000353 wchar_t *wp;
Philip Jenveye53de3d2010-04-14 03:01:39 +0000354#endif
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000355 int skipfirstline = 0;
356 int stdin_is_interactive = 0;
357 int help = 0;
358 int version = 0;
359 int saw_unbuffered_flag = 0;
360 PyCompilerFlags cf;
Guido van Rossum667d7041995-08-04 04:20:48 +0000361
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000362 cf.cf_flags = 0;
Guido van Rossum393661d2001-08-31 17:40:15 +0000363
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000364 orig_argc = argc; /* For Py_GetArgcArgv() */
365 orig_argv = argv;
Guido van Rossum667d7041995-08-04 04:20:48 +0000366
Antoine Pitrou86838b02012-02-21 19:03:47 +0100367 /* Hash randomization needed early for all string operations
368 (including -W and -X options). */
Ezio Melottia0dd22e2012-11-23 18:48:32 +0200369 _PyOS_opterr = 0; /* prevent printing the error in 1st pass */
Antoine Pitrou86838b02012-02-21 19:03:47 +0100370 while ((c = _PyOS_GetOpt(argc, argv, PROGRAM_OPTS)) != EOF) {
371 if (c == 'm' || c == 'c') {
372 /* -c / -m is the last option: following arguments are
373 not interpreter options. */
374 break;
375 }
Benjamin Petersonc9f54cf2012-02-21 16:08:05 -0500376 if (c == 'E') {
Antoine Pitrou86838b02012-02-21 19:03:47 +0100377 Py_IgnoreEnvironmentFlag++;
378 break;
Antoine Pitrou86838b02012-02-21 19:03:47 +0100379 }
380 }
Antoine Pitrou86838b02012-02-21 19:03:47 +0100381
Benjamin Petersonc9f54cf2012-02-21 16:08:05 -0500382 Py_HashRandomizationFlag = 1;
Antoine Pitrou86838b02012-02-21 19:03:47 +0100383 _PyRandom_Init();
384
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000385 PySys_ResetWarnOptions();
Antoine Pitrou86838b02012-02-21 19:03:47 +0100386 _PyOS_ResetGetOpt();
Guido van Rossum47f5fdc2000-12-15 22:00:54 +0000387
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000388 while ((c = _PyOS_GetOpt(argc, argv, PROGRAM_OPTS)) != EOF) {
389 if (c == 'c') {
390 size_t len;
391 /* -c is the last option; following arguments
392 that look like options are left for the
393 command to interpret. */
Amaury Forgeot d'Arc9a5499b2008-11-11 23:04:59 +0000394
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000395 len = wcslen(_PyOS_optarg) + 1 + 1;
Victor Stinner1a7425f2013-07-07 16:25:15 +0200396 command = (wchar_t *)PyMem_RawMalloc(sizeof(wchar_t) * len);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000397 if (command == NULL)
398 Py_FatalError(
399 "not enough memory to copy -c argument");
400 wcscpy(command, _PyOS_optarg);
401 command[len - 2] = '\n';
402 command[len - 1] = 0;
403 break;
404 }
Guido van Rossum393661d2001-08-31 17:40:15 +0000405
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000406 if (c == 'm') {
407 /* -m is the last option; following arguments
408 that look like options are left for the
409 module to interpret. */
410 module = _PyOS_optarg;
411 break;
412 }
Raymond Hettingerdb29e0f2004-10-07 06:46:25 +0000413
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000414 switch (c) {
415 case 'b':
416 Py_BytesWarningFlag++;
417 break;
Guido van Rossum667d7041995-08-04 04:20:48 +0000418
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000419 case 'd':
420 Py_DebugFlag++;
421 break;
Guido van Rossum667d7041995-08-04 04:20:48 +0000422
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000423 case 'i':
424 Py_InspectFlag++;
425 Py_InteractiveFlag++;
426 break;
Guido van Rossum667d7041995-08-04 04:20:48 +0000427
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000428 /* case 'J': reserved for Jython */
Christian Heimes33fe8092008-04-13 13:53:33 +0000429
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000430 case 'O':
431 Py_OptimizeFlag++;
432 break;
Guido van Rossum7614da61997-03-03 19:14:45 +0000433
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000434 case 'B':
435 Py_DontWriteBytecodeFlag++;
436 break;
Christian Heimes790c8232008-01-07 21:14:23 +0000437
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000438 case 's':
439 Py_NoUserSiteDirectory++;
440 break;
Christian Heimes8dc226f2008-05-06 23:45:46 +0000441
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000442 case 'S':
443 Py_NoSiteFlag++;
444 break;
Guido van Rossum7922bd71997-08-29 22:34:47 +0000445
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000446 case 'E':
Antoine Pitrou86838b02012-02-21 19:03:47 +0100447 /* Already handled above */
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000448 break;
Neil Schemenauer7d4bb9f2001-07-23 16:30:27 +0000449
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000450 case 't':
451 /* ignored for backwards compatibility */
452 break;
Guido van Rossumbba92ca1998-04-10 19:39:15 +0000453
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000454 case 'u':
455 Py_UnbufferedStdioFlag = 1;
456 saw_unbuffered_flag = 1;
457 break;
Guido van Rossum667d7041995-08-04 04:20:48 +0000458
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000459 case 'v':
460 Py_VerboseFlag++;
461 break;
Guido van Rossum667d7041995-08-04 04:20:48 +0000462
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000463 case 'x':
464 skipfirstline = 1;
465 break;
Guido van Rossuma075ce11997-12-05 21:56:45 +0000466
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000467 case 'h':
468 case '?':
469 help++;
470 break;
Guido van Rossum45aecf42006-03-15 04:58:47 +0000471
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000472 case 'V':
473 version++;
474 break;
Guido van Rossumc15a9a12000-05-01 17:54:33 +0000475
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000476 case 'W':
477 PySys_AddWarnOption(_PyOS_optarg);
478 break;
Guido van Rossum47f5fdc2000-12-15 22:00:54 +0000479
Antoine Pitrou9583cac2010-10-21 13:42:28 +0000480 case 'X':
481 PySys_AddXOption(_PyOS_optarg);
482 break;
483
Georg Brandl9d871192010-12-04 10:47:18 +0000484 case 'q':
Georg Brandl8aa7e992010-12-28 18:30:18 +0000485 Py_QuietFlag++;
Georg Brandl9d871192010-12-04 10:47:18 +0000486 break;
487
Georg Brandl2daf6ae2012-02-20 19:54:16 +0100488 case 'R':
Benjamin Petersonc9f54cf2012-02-21 16:08:05 -0500489 /* Ignored */
Georg Brandl2daf6ae2012-02-20 19:54:16 +0100490 break;
491
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000492 /* This space reserved for other options */
Guido van Rossum667d7041995-08-04 04:20:48 +0000493
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000494 default:
495 return usage(2, argv[0]);
496 /*NOTREACHED*/
Guido van Rossum667d7041995-08-04 04:20:48 +0000497
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000498 }
499 }
Guido van Rossum667d7041995-08-04 04:20:48 +0000500
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000501 if (help)
502 return usage(0, argv[0]);
Barry Warsaw3b2aedb2000-09-15 18:40:42 +0000503
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000504 if (version) {
Serhiy Storchakae3ed4ed2013-07-11 20:01:17 +0300505 printf("Python %s\n", PY_VERSION);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000506 return 0;
507 }
Barry Warsaw3b2aedb2000-09-15 18:40:42 +0000508
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000509 if (!Py_InspectFlag &&
510 (p = Py_GETENV("PYTHONINSPECT")) && *p != '\0')
511 Py_InspectFlag = 1;
512 if (!saw_unbuffered_flag &&
513 (p = Py_GETENV("PYTHONUNBUFFERED")) && *p != '\0')
514 Py_UnbufferedStdioFlag = 1;
Neil Schemenauer7d4bb9f2001-07-23 16:30:27 +0000515
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000516 if (!Py_NoUserSiteDirectory &&
517 (p = Py_GETENV("PYTHONNOUSERSITE")) && *p != '\0')
518 Py_NoUserSiteDirectory = 1;
Christian Heimes8dc226f2008-05-06 23:45:46 +0000519
Philip Jenveye53de3d2010-04-14 03:01:39 +0000520#ifdef MS_WINDOWS
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000521 if (!Py_IgnoreEnvironmentFlag && (wp = _wgetenv(L"PYTHONWARNINGS")) &&
522 *wp != L'\0') {
523 wchar_t *buf, *warning;
Philip Jenvey0805ca32010-04-07 04:04:10 +0000524
Victor Stinner1a7425f2013-07-07 16:25:15 +0200525 buf = (wchar_t *)PyMem_RawMalloc((wcslen(wp) + 1) * sizeof(wchar_t));
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000526 if (buf == NULL)
527 Py_FatalError(
528 "not enough memory to copy PYTHONWARNINGS");
529 wcscpy(buf, wp);
530 for (warning = wcstok(buf, L",");
531 warning != NULL;
532 warning = wcstok(NULL, L",")) {
533 PySys_AddWarnOption(warning);
534 }
Victor Stinner1a7425f2013-07-07 16:25:15 +0200535 PyMem_RawFree(buf);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000536 }
Philip Jenveye53de3d2010-04-14 03:01:39 +0000537#else
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000538 if ((p = Py_GETENV("PYTHONWARNINGS")) && *p != '\0') {
539 char *buf, *oldloc;
Victor Stinnerc2d76fd2010-09-10 23:13:52 +0000540 PyObject *unicode;
Philip Jenveye53de3d2010-04-14 03:01:39 +0000541
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000542 /* settle for strtok here as there's no one standard
543 C89 wcstok */
Victor Stinner1a7425f2013-07-07 16:25:15 +0200544 buf = (char *)PyMem_RawMalloc(strlen(p) + 1);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000545 if (buf == NULL)
546 Py_FatalError(
547 "not enough memory to copy PYTHONWARNINGS");
548 strcpy(buf, p);
Victor Stinner49fc8ec2013-07-07 23:30:24 +0200549 oldloc = _PyMem_RawStrdup(setlocale(LC_ALL, NULL));
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000550 setlocale(LC_ALL, "");
551 for (p = strtok(buf, ","); p != NULL; p = strtok(NULL, ",")) {
Victor Stinner5c848a82010-09-12 08:00:41 +0000552#ifdef __APPLE__
553 /* Use utf-8 on Mac OS X */
554 unicode = PyUnicode_FromString(p);
555#else
Victor Stinner1b579672011-12-17 05:47:23 +0100556 unicode = PyUnicode_DecodeLocale(p, "surrogateescape");
Victor Stinner5c848a82010-09-12 08:00:41 +0000557#endif
Victor Stinneraf02e1c2011-12-16 23:56:01 +0100558 if (unicode == NULL) {
559 /* ignore errors */
560 PyErr_Clear();
Victor Stinnerc2d76fd2010-09-10 23:13:52 +0000561 continue;
Victor Stinneraf02e1c2011-12-16 23:56:01 +0100562 }
Victor Stinnerc2d76fd2010-09-10 23:13:52 +0000563 PySys_AddWarnOptionUnicode(unicode);
564 Py_DECREF(unicode);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000565 }
566 setlocale(LC_ALL, oldloc);
Victor Stinner49fc8ec2013-07-07 23:30:24 +0200567 PyMem_RawFree(oldloc);
Victor Stinner1a7425f2013-07-07 16:25:15 +0200568 PyMem_RawFree(buf);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000569 }
Philip Jenveye53de3d2010-04-14 03:01:39 +0000570#endif
Philip Jenvey0805ca32010-04-07 04:04:10 +0000571
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000572 if (command == NULL && module == NULL && _PyOS_optind < argc &&
573 wcscmp(argv[_PyOS_optind], L"-") != 0)
574 {
Martin v. Löwis7a924e62003-03-05 14:15:21 +0000575#ifdef __VMS
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000576 filename = decc$translate_vms(argv[_PyOS_optind]);
577 if (filename == (char *)0 || filename == (char *)-1)
578 filename = argv[_PyOS_optind];
Martin v. Löwis7a924e62003-03-05 14:15:21 +0000579
580#else
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000581 filename = argv[_PyOS_optind];
Martin v. Löwis7a924e62003-03-05 14:15:21 +0000582#endif
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000583 }
Guido van Rossum775af911997-02-14 19:50:32 +0000584
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000585 stdin_is_interactive = Py_FdIsInteractive(stdin, (char *)0);
Guido van Rossum775af911997-02-14 19:50:32 +0000586
Sjoerd Mullender9cf424b2002-08-09 13:35:18 +0000587#if defined(MS_WINDOWS) || defined(__CYGWIN__)
Victor Stinner89e34362011-01-07 18:47:22 +0000588 /* don't translate newlines (\r\n <=> \n) */
589 _setmode(fileno(stdin), O_BINARY);
590 _setmode(fileno(stdout), O_BINARY);
591 _setmode(fileno(stderr), O_BINARY);
Guido van Rossumf22d7e21997-01-11 19:28:55 +0000592#endif
Victor Stinner89e34362011-01-07 18:47:22 +0000593
594 if (Py_UnbufferedStdioFlag) {
Guido van Rossum22ffac11998-03-06 15:30:39 +0000595#ifdef HAVE_SETVBUF
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000596 setvbuf(stdin, (char *)NULL, _IONBF, BUFSIZ);
597 setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ);
598 setvbuf(stderr, (char *)NULL, _IONBF, BUFSIZ);
Guido van Rossum22ffac11998-03-06 15:30:39 +0000599#else /* !HAVE_SETVBUF */
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000600 setbuf(stdin, (char *)NULL);
601 setbuf(stdout, (char *)NULL);
602 setbuf(stderr, (char *)NULL);
Guido van Rossum22ffac11998-03-06 15:30:39 +0000603#endif /* !HAVE_SETVBUF */
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000604 }
605 else if (Py_InteractiveFlag) {
Guido van Rossumb31c7dc1997-04-11 22:19:12 +0000606#ifdef MS_WINDOWS
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000607 /* Doesn't have to have line-buffered -- use unbuffered */
608 /* Any set[v]buf(stdin, ...) screws up Tkinter :-( */
609 setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ);
Guido van Rossum22ffac11998-03-06 15:30:39 +0000610#else /* !MS_WINDOWS */
611#ifdef HAVE_SETVBUF
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000612 setvbuf(stdin, (char *)NULL, _IOLBF, BUFSIZ);
613 setvbuf(stdout, (char *)NULL, _IOLBF, BUFSIZ);
Guido van Rossum22ffac11998-03-06 15:30:39 +0000614#endif /* HAVE_SETVBUF */
615#endif /* !MS_WINDOWS */
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000616 /* Leave stderr alone - it should be unbuffered anyway. */
617 }
Martin v. Löwis79acb9e2002-12-06 12:48:53 +0000618#ifdef __VMS
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000619 else {
620 setvbuf (stdout, (char *)NULL, _IOLBF, BUFSIZ);
621 }
Martin v. Löwis79acb9e2002-12-06 12:48:53 +0000622#endif /* __VMS */
Guido van Rossum667d7041995-08-04 04:20:48 +0000623
Just van Rossum2ac79ef2003-03-05 15:46:54 +0000624#ifdef __APPLE__
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000625 /* On MacOS X, when the Python interpreter is embedded in an
626 application bundle, it gets executed by a bootstrapping script
627 that does os.execve() with an argv[0] that's different from the
628 actual Python executable. This is needed to keep the Finder happy,
629 or rather, to work around Apple's overly strict requirements of
630 the process name. However, we still need a usable sys.executable,
631 so the actual executable path is passed in an environment variable.
632 See Lib/plat-mac/bundlebuiler.py for details about the bootstrap
633 script. */
634 if ((p = Py_GETENV("PYTHONEXECUTABLE")) && *p != '\0') {
635 wchar_t* buffer;
Ronald Oussoreneb61f8b2012-08-22 14:24:14 +0200636 size_t len = strlen(p) + 1;
Ronald Oussoren3e264e12009-02-12 15:55:38 +0000637
Victor Stinner1a7425f2013-07-07 16:25:15 +0200638 buffer = PyMem_RawMalloc(len * sizeof(wchar_t));
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000639 if (buffer == NULL) {
640 Py_FatalError(
641 "not enough memory to copy PYTHONEXECUTABLE");
642 }
Ronald Oussoren3e264e12009-02-12 15:55:38 +0000643
Brett Cannonb94767f2011-02-22 20:15:44 +0000644 mbstowcs(buffer, p, len);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000645 Py_SetProgramName(buffer);
646 /* buffer is now handed off - do not free */
647 } else {
Vinay Sajip90db6612012-07-17 17:33:46 +0100648#ifdef WITH_NEXT_FRAMEWORK
649 char* pyvenv_launcher = getenv("__PYVENV_LAUNCHER__");
650
651 if (pyvenv_launcher && *pyvenv_launcher) {
652 /* Used by Mac/Tools/pythonw.c to forward
653 * the argv0 of the stub executable
654 */
655 wchar_t* wbuf = _Py_char2wchar(pyvenv_launcher, NULL);
656
657 if (wbuf == NULL) {
658 Py_FatalError("Cannot decode __PYVENV_LAUNCHER__");
659 }
660 Py_SetProgramName(wbuf);
661
662 /* Don't free wbuf, the argument to Py_SetProgramName
663 * must remain valid until the Py_Finalize is called.
664 */
665 } else {
666 Py_SetProgramName(argv[0]);
667 }
668#else
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000669 Py_SetProgramName(argv[0]);
Vinay Sajip90db6612012-07-17 17:33:46 +0100670#endif
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000671 }
Just van Rossum2ac79ef2003-03-05 15:46:54 +0000672#else
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000673 Py_SetProgramName(argv[0]);
Jack Jansenfbd861b2003-03-05 16:00:15 +0000674#endif
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000675 Py_Initialize();
Guido van Rossumed52aac1997-07-19 19:20:32 +0000676
Georg Brandl8aa7e992010-12-28 18:30:18 +0000677 if (!Py_QuietFlag && (Py_VerboseFlag ||
Georg Brandl9d871192010-12-04 10:47:18 +0000678 (command == NULL && filename == NULL &&
679 module == NULL && stdin_is_interactive))) {
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000680 fprintf(stderr, "Python %s on %s\n",
681 Py_GetVersion(), Py_GetPlatform());
682 if (!Py_NoSiteFlag)
683 fprintf(stderr, "%s\n", COPYRIGHT);
684 }
Guido van Rossum393661d2001-08-31 17:40:15 +0000685
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000686 if (command != NULL) {
687 /* Backup _PyOS_optind and force sys.argv[0] = '-c' */
688 _PyOS_optind--;
689 argv[_PyOS_optind] = L"-c";
690 }
Guido van Rossum667d7041995-08-04 04:20:48 +0000691
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000692 if (module != NULL) {
Nick Coghland26c18a2010-08-17 13:06:11 +0000693 /* Backup _PyOS_optind and force sys.argv[0] = '-m'*/
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000694 _PyOS_optind--;
Nick Coghland26c18a2010-08-17 13:06:11 +0000695 argv[_PyOS_optind] = L"-m";
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000696 }
Raymond Hettingerdb29e0f2004-10-07 06:46:25 +0000697
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000698 PySys_SetArgv(argc-_PyOS_optind, argv+_PyOS_optind);
Guido van Rossum667d7041995-08-04 04:20:48 +0000699
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000700 if ((Py_InspectFlag || (command == NULL && filename == NULL && module == NULL)) &&
701 isatty(fileno(stdin))) {
702 PyObject *v;
703 v = PyImport_ImportModule("readline");
704 if (v == NULL)
705 PyErr_Clear();
706 else
707 Py_DECREF(v);
708 }
Guido van Rossum3d26cc91997-09-16 16:11:28 +0000709
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000710 if (command) {
Victor Stinnera62207c2010-08-07 10:57:17 +0000711 sts = run_command(command, &cf);
Victor Stinner1a7425f2013-07-07 16:25:15 +0200712 PyMem_RawFree(command);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000713 } else if (module) {
Senthil Kumaranf01a3372012-07-04 19:28:16 -0700714 sts = (RunModule(module, 1) != 0);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000715 }
716 else {
Christian Heimes9cd17752007-11-18 19:35:23 +0000717
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000718 if (filename == NULL && stdin_is_interactive) {
719 Py_InspectFlag = 0; /* do exit on SystemExit */
720 RunStartupFile(&cf);
Antoine Pitrou1a6cb302013-05-04 20:08:35 +0200721 RunInteractiveHook();
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000722 }
723 /* XXX */
Christian Heimes9cd17752007-11-18 19:35:23 +0000724
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000725 sts = -1; /* keep track of whether we've already run __main__ */
Christian Heimes9cd17752007-11-18 19:35:23 +0000726
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000727 if (filename != NULL) {
728 sts = RunMainFromImporter(filename);
729 }
Christian Heimes9cd17752007-11-18 19:35:23 +0000730
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000731 if (sts==-1 && filename!=NULL) {
Victor Stinner9a6692f2010-10-14 10:51:24 +0000732 fp = _Py_wfopen(filename, L"r");
733 if (fp == NULL) {
734 char *cfilename_buffer;
735 const char *cfilename;
Antoine Pitrouc345ce12011-12-16 12:28:32 +0100736 int err = errno;
Victor Stinner2f02a512010-11-08 22:43:46 +0000737 cfilename_buffer = _Py_wchar2char(filename, NULL);
Victor Stinner9a6692f2010-10-14 10:51:24 +0000738 if (cfilename_buffer != NULL)
739 cfilename = cfilename_buffer;
740 else
741 cfilename = "<unprintable file name>";
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000742 fprintf(stderr, "%ls: can't open file '%s': [Errno %d] %s\n",
Antoine Pitrouc345ce12011-12-16 12:28:32 +0100743 argv[0], cfilename, err, strerror(err));
Victor Stinner9a6692f2010-10-14 10:51:24 +0000744 if (cfilename_buffer)
745 PyMem_Free(cfilename_buffer);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000746 return 2;
747 }
748 else if (skipfirstline) {
749 int ch;
750 /* Push back first newline so line numbers
751 remain the same */
752 while ((ch = getc(fp)) != EOF) {
753 if (ch == '\n') {
754 (void)ungetc(ch, fp);
755 break;
756 }
757 }
758 }
759 {
760 /* XXX: does this work on Win/Win64? (see posix_fstat) */
761 struct stat sb;
762 if (fstat(fileno(fp), &sb) == 0 &&
763 S_ISDIR(sb.st_mode)) {
764 fprintf(stderr, "%ls: '%ls' is a directory, cannot continue\n", argv[0], filename);
765 fclose(fp);
766 return 1;
767 }
768 }
769 }
Christian Heimes9cd17752007-11-18 19:35:23 +0000770
Victor Stinner0a3ddad2010-08-07 16:34:25 +0000771 if (sts == -1)
772 sts = run_file(fp, filename, &cf);
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000773 }
Barry Warsawd86dcd32003-06-29 17:07:06 +0000774
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000775 /* Check this environment variable at the end, to give programs the
776 * opportunity to set it from Python.
777 */
778 if (!Py_InspectFlag &&
779 (p = Py_GETENV("PYTHONINSPECT")) && *p != '\0')
780 {
781 Py_InspectFlag = 1;
782 }
Guido van Rossum667d7041995-08-04 04:20:48 +0000783
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000784 if (Py_InspectFlag && stdin_is_interactive &&
785 (filename != NULL || command != NULL || module != NULL)) {
786 Py_InspectFlag = 0;
Antoine Pitrou1a6cb302013-05-04 20:08:35 +0200787 RunInteractiveHook();
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000788 /* XXX */
789 sts = PyRun_AnyFileFlags(stdin, "<stdin>", &cf) != 0;
790 }
791
792 Py_Finalize();
Barry Warsaw3e13b1e2001-02-23 16:46:39 +0000793
794#ifdef __INSURE__
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000795 /* Insure++ is a memory analysis tool that aids in discovering
796 * memory leaks and other memory problems. On Python exit, the
797 * interned string dictionaries are flagged as being in use at exit
798 * (which it is). Under normal circumstances, this is fine because
799 * the memory will be automatically reclaimed by the system. Under
800 * memory debugging, it's a huge source of useless noise, so we
801 * trade off slower shutdown for less distraction in the memory
802 * reports. -baw
803 */
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000804 _Py_ReleaseInternedUnicodeStrings();
Barry Warsaw3e13b1e2001-02-23 16:46:39 +0000805#endif /* __INSURE__ */
806
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000807 return sts;
Guido van Rossum667d7041995-08-04 04:20:48 +0000808}
809
Skip Montanaro786ea6b2004-03-01 15:44:05 +0000810/* this is gonna seem *real weird*, but if you put some other code between
811 Py_Main() and Py_GetArgcArgv() you will need to adjust the test in the
812 while statement in Misc/gdbinit:ppystack */
Guido van Rossum667d7041995-08-04 04:20:48 +0000813
Guido van Rossum667d7041995-08-04 04:20:48 +0000814/* Make the *original* argc/argv available to other modules.
815 This is rare, but it is needed by the secureware extension. */
816
817void
Martin v. Löwis790465f2008-04-05 20:41:37 +0000818Py_GetArgcArgv(int *argc, wchar_t ***argv)
Guido van Rossum667d7041995-08-04 04:20:48 +0000819{
Antoine Pitrouf95a1b32010-05-09 15:52:27 +0000820 *argc = orig_argc;
821 *argv = orig_argv;
Guido van Rossum667d7041995-08-04 04:20:48 +0000822}
Thomas Wouters49fd7fa2006-04-21 10:40:58 +0000823
824#ifdef __cplusplus
825}
826#endif