main.c revision f63dab5a842df7349af73be23fb3acc37aa75703
1667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Python interpreter main program */
2667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum
3667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum#include "Python.h"
4a075ce1618c30c7d0faf4de6e84920027da40e41Guido van Rossum#include "osdefs.h"
5667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum
65651eaa720e28fb95b78524524ee75bda2d0ae59Antoine Pitrou#include <locale.h>
75651eaa720e28fb95b78524524ee75bda2d0ae59Antoine Pitrou
89cf424b04bf355df85659da18abc2ac3f9419c37Sjoerd Mullender#if defined(MS_WINDOWS) || defined(__CYGWIN__)
9945362cf971fb2e10f8f2a8e71e8ff10516ebe4cMartin v. Löwis#include <windows.h>
10477c8d5e70240744d24631b18341ad892c8a8e1cThomas Wouters#ifdef HAVE_FCNTL_H
113e7ae7ab173effc320b05a3d5a9fde7eac706771Guido van Rossum#include <fcntl.h>
123e7ae7ab173effc320b05a3d5a9fde7eac706771Guido van Rossum#endif
13477c8d5e70240744d24631b18341ad892c8a8e1cThomas Wouters#endif
143e7ae7ab173effc320b05a3d5a9fde7eac706771Guido van Rossum
15945362cf971fb2e10f8f2a8e71e8ff10516ebe4cMartin v. Löwis#ifdef _MSC_VER
16945362cf971fb2e10f8f2a8e71e8ff10516ebe4cMartin v. Löwis#include <crtdbg.h>
17945362cf971fb2e10f8f2a8e71e8ff10516ebe4cMartin v. Löwis#endif
18945362cf971fb2e10f8f2a8e71e8ff10516ebe4cMartin v. Löwis
19ab70e2ab3264c444ac70a1c98e869b0de0b22c4aJesus Cea#if defined(MS_WINDOWS)
20a075ce1618c30c7d0faf4de6e84920027da40e41Guido van Rossum#define PYTHONHOMEHELP "<prefix>\\lib"
21a075ce1618c30c7d0faf4de6e84920027da40e41Guido van Rossum#else
22da4dbc36c102d5005737365f65627bbca1d2395bMarc-André Lemburg#define PYTHONHOMEHELP "<prefix>/pythonX.X"
23a075ce1618c30c7d0faf4de6e84920027da40e41Guido van Rossum#endif
24a075ce1618c30c7d0faf4de6e84920027da40e41Guido van Rossum
252cffc7d4202fc1197280a05d998075551b459283Thomas Wouters#include "pygetopt.h"
262cffc7d4202fc1197280a05d998075551b459283Thomas Wouters
27a22865ec4400438a8b591c67e26ec69722ac9266Guido van Rossum#define COPYRIGHT \
2836002d7af1a9971c62e982cbbb1d1ce34610129dGuido van Rossum    "Type \"help\", \"copyright\", \"credits\" or \"license\" " \
2936002d7af1a9971c62e982cbbb1d1ce34610129dGuido van Rossum    "for more information."
30a22865ec4400438a8b591c67e26ec69722ac9266Guido van Rossum
3149fd7fa4431da299196d74087df4a04f99f9c46fThomas Wouters#ifdef __cplusplus
3249fd7fa4431da299196d74087df4a04f99f9c46fThomas Woutersextern "C" {
3349fd7fa4431da299196d74087df4a04f99f9c46fThomas Wouters#endif
3449fd7fa4431da299196d74087df4a04f99f9c46fThomas Wouters
35ac56b03f9a931423714ab3a0e8cfae78f81f9b85Guido van Rossum/* For Py_GetArgcArgv(); set by main() */
36790465fd90e8a72590386465f518db9e67ab843fMartin v. Löwisstatic wchar_t **orig_argv;
37667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumstatic int  orig_argc;
38667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum
39bceccf5f43b51d166951ea97cff086c8828b745bGuido van Rossum/* command line options */
40ad73a9cf97770023665a1bb1c6390a3c99478139Christian Heimes#define BASE_OPTS L"bBc:dEhiIJm:OqRsStuvVW:xX:?"
41bceccf5f43b51d166951ea97cff086c8828b745bGuido van Rossum
42bceccf5f43b51d166951ea97cff086c8828b745bGuido van Rossum#define PROGRAM_OPTS BASE_OPTS
433ed4c15a88c79ae71a01854415a66ca1cd6697c7Guido van Rossum
44667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Short usage message (with %s for argv0) */
45667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumstatic char *usage_line =
46790465fd90e8a72590386465f518db9e67ab843fMartin v. Löwis"usage: %ls [option] ... [-c cmd | -m mod | file | -] [arg] ...\n";
47667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum
48667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Long usage message, split into parts < 512 bytes */
49393661d15fa76ec46e9f7b71e97bf2ed38470620Guido van Rossumstatic char *usage_1 = "\
50667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van RossumOptions and arguments (and corresponding environment variables):\n\
512ab344428449792e293c0c4d276fc66d26e919e5Christian Heimes-b     : issue warnings about str(bytes_instance), str(bytearray_instance)\n\
522ab344428449792e293c0c4d276fc66d26e919e5Christian Heimes         and comparing bytes/bytearray with str. (-bb: issue errors)\n\
53790c8232019d0a13c3f0a72b8cffcf3ae69ea7b9Christian Heimes-B     : don't write .py[co] files on import; also PYTHONDONTWRITEBYTECODE=x\n\
54393661d15fa76ec46e9f7b71e97bf2ed38470620Guido van Rossum-c cmd : program passed in as string (terminates option list)\n\
5589f507fe8c497b3f70fdcecce8bc240f9af2bbe2Thomas Wouters-d     : debug output from parser; also PYTHONDEBUG=x\n\
56790c8232019d0a13c3f0a72b8cffcf3ae69ea7b9Christian Heimes-E     : ignore PYTHON* environment variables (such as PYTHONPATH)\n\
570e3f591aeeef9ed715f8770320f4c4c7332a8794Thomas Wouters-h     : print this help message and exit (also --help)\n\
5861c345fa37573005b708d239c0911218ca22383cGuido van Rossum";
5961c345fa37573005b708d239c0911218ca22383cGuido van Rossumstatic char *usage_2 = "\
6098297ee7815939b124156e438b22bd652d67b5dbGuido van Rossum-i     : inspect interactively after running script; forces a prompt even\n\
6198297ee7815939b124156e438b22bd652d67b5dbGuido van Rossum         if stdin does not appear to be a terminal; also PYTHONINSPECT=x\n\
62ad73a9cf97770023665a1bb1c6390a3c99478139Christian Heimes-I     : isolate Python from the user's environment (implies -E and -s)\n\
63db29e0fe8cab58c68d1263487ba5bac7b99c7612Raymond Hettinger-m mod : run library module as a script (terminates option list)\n\
6489f507fe8c497b3f70fdcecce8bc240f9af2bbe2Thomas Wouters-O     : optimize generated bytecode slightly; also PYTHONOPTIMIZE=x\n\
656b86a42c7f8786f8446d5a48db406282f18ec06aGuido van Rossum-OO    : remove doc-strings in addition to the -O optimizations\n\
669d8711964f114b9f0f5ed8a9a1eccfba2a096030Georg Brandl-q     : don't print version and copyright messages on interactive startup\n\
678dc226fccd2183670ac19a85b89941f5b05167dcChristian Heimes-s     : don't add user site directory to sys.path; also PYTHONNOUSERSITE\n\
687922bd7382c7e22ee9f711f6554718b824ac85a4Guido van Rossum-S     : don't imply 'import site' on initialization\n\
69393661d15fa76ec46e9f7b71e97bf2ed38470620Guido van Rossum";
70393661d15fa76ec46e9f7b71e97bf2ed38470620Guido van Rossumstatic char *usage_3 = "\
7161b0c672b5e9ba1cf564947ecb38d175fd70ea7eEzio Melotti-u     : unbuffered binary stdout and stderr, stdin always buffered;\n\
7261b0c672b5e9ba1cf564947ecb38d175fd70ea7eEzio Melotti         also PYTHONUNBUFFERED=x\n\
73db29e0fe8cab58c68d1263487ba5bac7b99c7612Raymond Hettinger         see man page for details on internal buffering relating to '-u'\n\
7489f507fe8c497b3f70fdcecce8bc240f9af2bbe2Thomas Wouters-v     : verbose (trace import statements); also PYTHONVERBOSE=x\n\
7589f507fe8c497b3f70fdcecce8bc240f9af2bbe2Thomas Wouters         can be supplied multiple times to increase verbosity\n\
760e3f591aeeef9ed715f8770320f4c4c7332a8794Thomas Wouters-V     : print the Python version number and exit (also --version)\n\
7789f507fe8c497b3f70fdcecce8bc240f9af2bbe2Thomas Wouters-W arg : warning control; arg is action:message:category:module:lineno\n\
780805ca3f931ccd4735dcaa231752371deadf5ccfPhilip Jenvey         also PYTHONWARNINGS=arg\n\
79393661d15fa76ec46e9f7b71e97bf2ed38470620Guido van Rossum-x     : skip first line of source, allowing use of non-Unix forms of #!cmd\n\
809583cac6337f9a5f2670fbe5e1f2e85aaad04522Antoine Pitrou-X opt : set implementation-specific option\n\
817922bd7382c7e22ee9f711f6554718b824ac85a4Guido van Rossum";
82393661d15fa76ec46e9f7b71e97bf2ed38470620Guido van Rossumstatic char *usage_4 = "\
8398297ee7815939b124156e438b22bd652d67b5dbGuido van Rossumfile   : program read from script file\n\
8498297ee7815939b124156e438b22bd652d67b5dbGuido van Rossum-      : program read from stdin (default; interactive mode if a tty)\n\
8589f507fe8c497b3f70fdcecce8bc240f9af2bbe2Thomas Woutersarg ...: arguments passed to program in sys.argv[1:]\n\n\
86667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van RossumOther environment variables:\n\
87667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van RossumPYTHONSTARTUP: file executed on interactive startup (no default)\n\
88a075ce1618c30c7d0faf4de6e84920027da40e41Guido van RossumPYTHONPATH   : '%c'-separated list of directories prefixed to the\n\
89667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum               default module search path.  The result is sys.path.\n\
90790c8232019d0a13c3f0a72b8cffcf3ae69ea7b9Christian Heimes";
919802b39c12712e924bed699812756ce5076b77a3Victor Stinnerstatic char *usage_5 =
929802b39c12712e924bed699812756ce5076b77a3Victor Stinner"PYTHONHOME   : alternate <prefix> directory (or <prefix>%c<exec_prefix>).\n"
939802b39c12712e924bed699812756ce5076b77a3Victor Stinner"               The default module search path uses %s.\n"
949802b39c12712e924bed699812756ce5076b77a3Victor Stinner"PYTHONCASEOK : ignore case in 'import' statements (Windows).\n"
959802b39c12712e924bed699812756ce5076b77a3Victor Stinner"PYTHONIOENCODING: Encoding[:errors] used for stdin/stdout/stderr.\n"
962fb477c0f0284439d40cb3f46eea45ef42446e53Georg Brandl"PYTHONFAULTHANDLER: dump the Python traceback on fatal errors.\n\
97667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum";
982daf6ae2495c862adf8bc717bfe9964081ea0b10Georg Brandlstatic char *usage_6 = "\
9942ae472798d4be46038ea7769ee4cabbcc0e3be0Georg BrandlPYTHONHASHSEED: if this variable is set to 'random', a random value is used\n\
100c9f54cf512996790266c17f81584c9725ee99d47Benjamin Peterson   to seed the hashes of str, bytes and datetime objects.  It can also be\n\
101c9f54cf512996790266c17f81584c9725ee99d47Benjamin Peterson   set to an integer in the range [0,4294967295] to get hash values with a\n\
102c9f54cf512996790266c17f81584c9725ee99d47Benjamin Peterson   predictable seed.\n\
1032daf6ae2495c862adf8bc717bfe9964081ea0b10Georg Brandl";
104667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum
105852ba7eb2a38a4d57cea73bf34b11f8e65f004e1Martin v. Löwisstatic int
106790465fd90e8a72590386465f518db9e67ab843fMartin v. Löwisusage(int exitcode, wchar_t* program)
1073b2aedbdc58c3466469abf4f3fbfc123195ff1f9Barry Warsaw{
108f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    FILE *f = exitcode ? stderr : stdout;
109f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
110f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    fprintf(f, usage_line, program);
111f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (exitcode)
112f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        fprintf(f, "Try `python -h' for more information.\n");
113f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    else {
114f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        fputs(usage_1, f);
115f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        fputs(usage_2, f);
116f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        fputs(usage_3, f);
117f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        fprintf(f, usage_4, DELIM);
118f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        fprintf(f, usage_5, DELIM, PYTHONHOMEHELP);
1192daf6ae2495c862adf8bc717bfe9964081ea0b10Georg Brandl        fputs(usage_6, f);
120f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
121f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    return exitcode;
1223b2aedbdc58c3466469abf4f3fbfc123195ff1f9Barry Warsaw}
1233b2aedbdc58c3466469abf4f3fbfc123195ff1f9Barry Warsaw
1246caea370ac3e79e8295e456b566a04817eefb0fdMartin v. Löwisstatic void RunStartupFile(PyCompilerFlags *cf)
1256caea370ac3e79e8295e456b566a04817eefb0fdMartin v. Löwis{
126f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    char *startup = Py_GETENV("PYTHONSTARTUP");
127f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (startup != NULL && startup[0] != '\0') {
128daf455554bc21b6b5df0a016ab5fa639d36cc595Victor Stinner        FILE *fp = _Py_fopen(startup, "r");
129f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        if (fp != NULL) {
130f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            (void) PyRun_SimpleFileExFlags(fp, startup, 0, cf);
131f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            PyErr_Clear();
132f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            fclose(fp);
133f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        } else {
134f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            int save_errno;
135f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
136f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            save_errno = errno;
137f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            PySys_WriteStderr("Could not open PYTHONSTARTUP\n");
138f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            errno = save_errno;
139f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            PyErr_SetFromErrnoWithFilename(PyExc_IOError,
140f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                            startup);
141f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            PyErr_Print();
142f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            PyErr_Clear();
143f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        }
144f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
1456caea370ac3e79e8295e456b566a04817eefb0fdMartin v. Löwis}
1466caea370ac3e79e8295e456b566a04817eefb0fdMartin v. Löwis
1471a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitroustatic void RunInteractiveHook(void)
1481a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou{
1491a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    PyObject *sys, *hook, *result;
1501a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    sys = PyImport_ImportModule("sys");
1511a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    if (sys == NULL)
1521a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou        goto error;
1531a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    hook = PyObject_GetAttrString(sys, "__interactivehook__");
1541a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    Py_DECREF(sys);
1551a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    if (hook == NULL)
1561a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou        PyErr_Clear();
1571a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    else {
1581a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou        result = PyObject_CallObject(hook, NULL);
1591a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou        Py_DECREF(hook);
1601a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou        if (result == NULL)
1611a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou            goto error;
1621a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou        else
1631a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou            Py_DECREF(result);
1641a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    }
1651a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    return;
1661a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou
1671a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrouerror:
1681a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    PySys_WriteStderr("Failed calling sys.__interactivehook__\n");
1691a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    PyErr_Print();
1701a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou    PyErr_Clear();
1711a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou}
1721a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou
173db29e0fe8cab58c68d1263487ba5bac7b99c7612Raymond Hettinger
1745651eaa720e28fb95b78524524ee75bda2d0ae59Antoine Pitroustatic int RunModule(wchar_t *modname, int set_argv0)
175a977329b6fb0e4c95cabb9043794de69b27a1099Thomas Wouters{
176f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    PyObject *module, *runpy, *runmodule, *runargs, *result;
177f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    runpy = PyImport_ImportModule("runpy");
178f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (runpy == NULL) {
179f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        fprintf(stderr, "Could not import runpy module\n");
1807d36e4f074a0141966394284f877bbe2270ccd93Victor Stinner        PyErr_Print();
181f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        return -1;
182f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
183f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    runmodule = PyObject_GetAttrString(runpy, "_run_module_as_main");
184f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (runmodule == NULL) {
185f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        fprintf(stderr, "Could not access runpy._run_module_as_main\n");
1867d36e4f074a0141966394284f877bbe2270ccd93Victor Stinner        PyErr_Print();
187f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_DECREF(runpy);
188f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        return -1;
189f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
190f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    module = PyUnicode_FromWideChar(modname, wcslen(modname));
191f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (module == NULL) {
192f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        fprintf(stderr, "Could not convert module name to unicode\n");
1937d36e4f074a0141966394284f877bbe2270ccd93Victor Stinner        PyErr_Print();
194f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_DECREF(runpy);
195f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_DECREF(runmodule);
196f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        return -1;
197f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
198f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    runargs = Py_BuildValue("(Oi)", module, set_argv0);
199f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (runargs == NULL) {
200f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        fprintf(stderr,
201f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            "Could not create arguments for runpy._run_module_as_main\n");
2027d36e4f074a0141966394284f877bbe2270ccd93Victor Stinner        PyErr_Print();
203f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_DECREF(runpy);
204f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_DECREF(runmodule);
205f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_DECREF(module);
206f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        return -1;
207f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
208f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    result = PyObject_Call(runmodule, runargs, NULL);
209f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (result == NULL) {
210f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        PyErr_Print();
211f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
212f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    Py_DECREF(runpy);
213f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    Py_DECREF(runmodule);
214f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    Py_DECREF(module);
215f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    Py_DECREF(runargs);
216f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (result == NULL) {
217f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        return -1;
218f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
219f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    Py_DECREF(result);
220f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    return 0;
221db29e0fe8cab58c68d1263487ba5bac7b99c7612Raymond Hettinger}
2223b2aedbdc58c3466469abf4f3fbfc123195ff1f9Barry Warsaw
2234726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinnerstatic int
2244726e40e00ad9c2e333c4dfc5005f410a520834cVictor StinnerRunMainFromImporter(wchar_t *filename)
2259cd177526afc086a300b548588880329c32f607dChristian Heimes{
2264726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    PyObject *argv0 = NULL, *importer, *sys_path;
2274726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    int sts;
228f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
2294726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    argv0 = PyUnicode_FromWideChar(filename, wcslen(filename));
2304726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    if (argv0 == NULL)
2314726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner        goto error;
2324726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner
2334726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    importer = PyImport_GetImporter(argv0);
2344726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    if (importer == NULL)
2354726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner        goto error;
2364726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner
237aa93642a35ed570ba91a80c583df2c8a383686d6Brett Cannon    if (importer == Py_None) {
2384726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner        Py_DECREF(argv0);
2394726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner        Py_DECREF(importer);
240f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        return -1;
241f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
2424726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    Py_DECREF(importer);
2434726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner
2444726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    /* argv0 is usable as an import source, so put it in sys.path[0]
2454726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner       and import __main__ */
246bd303c165bc914fc943026ece55f4ebd225614c9Victor Stinner    sys_path = PySys_GetObject("path");
2471e53bbacedaed883104454693c29d1ad31f5029bVictor Stinner    if (sys_path == NULL) {
2481e53bbacedaed883104454693c29d1ad31f5029bVictor Stinner        PyErr_SetString(PyExc_RuntimeError, "unable to get sys.path");
2494726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner        goto error;
2501e53bbacedaed883104454693c29d1ad31f5029bVictor Stinner    }
2514726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    if (PyList_SetItem(sys_path, 0, argv0)) {
2524726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner        argv0 = NULL;
2534726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner        goto error;
2544726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    }
2554726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    Py_INCREF(argv0);
2564726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner
2574726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    sts = RunModule(L"__main__", 0);
2584726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    return sts != 0;
2594726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner
2604726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinnererror:
2614726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    Py_XDECREF(argv0);
2624726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    PyErr_Print();
2634726e40e00ad9c2e333c4dfc5005f410a520834cVictor Stinner    return 1;
2649cd177526afc086a300b548588880329c32f607dChristian Heimes}
2659cd177526afc086a300b548588880329c32f607dChristian Heimes
266a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinnerstatic int
267a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinnerrun_command(wchar_t *command, PyCompilerFlags *cf)
268a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner{
269a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    PyObject *unicode, *bytes;
270a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    int ret;
271a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner
272a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    unicode = PyUnicode_FromWideChar(command, -1);
273a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    if (unicode == NULL)
274a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner        goto error;
275a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    bytes = PyUnicode_AsUTF8String(unicode);
276a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    Py_DECREF(unicode);
277a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    if (bytes == NULL)
278a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner        goto error;
279a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    ret = PyRun_SimpleStringFlags(PyBytes_AsString(bytes), cf);
280a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    Py_DECREF(bytes);
281a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    return ret != 0;
282a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner
283a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinnererror:
284398356baaa60b1e46ce45ec7b8ae8ac28ca53091Victor Stinner    PySys_WriteStderr("Unable to decode the command from the command line:\n");
285a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    PyErr_Print();
286a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner    return 1;
287a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner}
288a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner
2890a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinnerstatic int
2900a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinnerrun_file(FILE *fp, const wchar_t *filename, PyCompilerFlags *p_cf)
2910a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner{
2920a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    PyObject *unicode, *bytes = NULL;
2930a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    char *filename_str;
2940a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    int run;
2950a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner
2960a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    /* call pending calls like signal handlers (SIGINT) */
2970a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    if (Py_MakePendingCalls() == -1) {
2980a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner        PyErr_Print();
2990a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner        return 1;
3000a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    }
3010a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner
3020a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    if (filename) {
3030a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner        unicode = PyUnicode_FromWideChar(filename, wcslen(filename));
3040a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner        if (unicode != NULL) {
305e0f32687152615b7266e66cbee216434fbbdd5bcVictor Stinner            bytes = PyUnicode_EncodeFSDefault(unicode);
3060a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner            Py_DECREF(unicode);
3070a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner        }
3080a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner        if (bytes != NULL)
3090a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner            filename_str = PyBytes_AsString(bytes);
3100a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner        else {
3110a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner            PyErr_Clear();
312e0f32687152615b7266e66cbee216434fbbdd5bcVictor Stinner            filename_str = "<encoding error>";
3130a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner        }
3140a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    }
3150a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    else
3160a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner        filename_str = "<stdin>";
3170a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner
3180a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    run = PyRun_AnyFileExFlags(fp, filename_str, filename != NULL, p_cf);
3190a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    Py_XDECREF(bytes);
3200a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner    return run != 0;
3210a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner}
3220a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner
3239cd177526afc086a300b548588880329c32f607dChristian Heimes
324667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Main program */
325667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum
326fe51c6d66e0fbf6a142036bee2c448bd7fe8fefcMark Hammondint
327790465fd90e8a72590386465f518db9e67ab843fMartin v. LöwisPy_Main(int argc, wchar_t **argv)
328667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum{
329f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    int c;
330f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    int sts;
331f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    wchar_t *command = NULL;
332f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    wchar_t *filename = NULL;
333f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    wchar_t *module = NULL;
334f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    FILE *fp = stdin;
335f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    char *p;
336e53de3dc4a9021b5edabd44fd495df7770b6249cPhilip Jenvey#ifdef MS_WINDOWS
337f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    wchar_t *wp;
338e53de3dc4a9021b5edabd44fd495df7770b6249cPhilip Jenvey#endif
339f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    int skipfirstline = 0;
340f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    int stdin_is_interactive = 0;
341f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    int help = 0;
342f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    int version = 0;
343f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    int saw_unbuffered_flag = 0;
344f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    PyCompilerFlags cf;
3456999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou    PyObject *warning_option = NULL;
3466999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou    PyObject *warning_options = NULL;
347f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
348f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    cf.cf_flags = 0;
349f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
350f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    orig_argc = argc;           /* For Py_GetArgcArgv() */
351f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    orig_argv = argv;
352f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
35386838b02f04a01445778584afb7acd0b05081335Antoine Pitrou    /* Hash randomization needed early for all string operations
35486838b02f04a01445778584afb7acd0b05081335Antoine Pitrou       (including -W and -X options). */
355a0dd22e5e824195e322cb417ebb34c66475e952dEzio Melotti    _PyOS_opterr = 0;  /* prevent printing the error in 1st pass */
35686838b02f04a01445778584afb7acd0b05081335Antoine Pitrou    while ((c = _PyOS_GetOpt(argc, argv, PROGRAM_OPTS)) != EOF) {
35786838b02f04a01445778584afb7acd0b05081335Antoine Pitrou        if (c == 'm' || c == 'c') {
35886838b02f04a01445778584afb7acd0b05081335Antoine Pitrou            /* -c / -m is the last option: following arguments are
35986838b02f04a01445778584afb7acd0b05081335Antoine Pitrou               not interpreter options. */
36086838b02f04a01445778584afb7acd0b05081335Antoine Pitrou            break;
36186838b02f04a01445778584afb7acd0b05081335Antoine Pitrou        }
362c9f54cf512996790266c17f81584c9725ee99d47Benjamin Peterson        if (c == 'E') {
36386838b02f04a01445778584afb7acd0b05081335Antoine Pitrou            Py_IgnoreEnvironmentFlag++;
36486838b02f04a01445778584afb7acd0b05081335Antoine Pitrou            break;
36586838b02f04a01445778584afb7acd0b05081335Antoine Pitrou        }
36686838b02f04a01445778584afb7acd0b05081335Antoine Pitrou    }
36786838b02f04a01445778584afb7acd0b05081335Antoine Pitrou
368c9f54cf512996790266c17f81584c9725ee99d47Benjamin Peterson    Py_HashRandomizationFlag = 1;
36986838b02f04a01445778584afb7acd0b05081335Antoine Pitrou    _PyRandom_Init();
37086838b02f04a01445778584afb7acd0b05081335Antoine Pitrou
371f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    PySys_ResetWarnOptions();
37286838b02f04a01445778584afb7acd0b05081335Antoine Pitrou    _PyOS_ResetGetOpt();
373f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
374f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    while ((c = _PyOS_GetOpt(argc, argv, PROGRAM_OPTS)) != EOF) {
375f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        if (c == 'c') {
376f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            size_t len;
377f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            /* -c is the last option; following arguments
378f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou               that look like options are left for the
379f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou               command to interpret. */
380f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
381f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            len = wcslen(_PyOS_optarg) + 1 + 1;
3821a7425f67a0d141483d89ca80ca01e3cb7f6be92Victor Stinner            command = (wchar_t *)PyMem_RawMalloc(sizeof(wchar_t) * len);
383f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            if (command == NULL)
384f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                Py_FatalError(
385f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                   "not enough memory to copy -c argument");
386f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            wcscpy(command, _PyOS_optarg);
387f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            command[len - 2] = '\n';
388f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            command[len - 1] = 0;
389f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
390f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        }
391f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
392f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        if (c == 'm') {
393f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            /* -m is the last option; following arguments
394f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou               that look like options are left for the
395f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou               module to interpret. */
396f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            module = _PyOS_optarg;
397f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
398f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        }
399f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
400f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        switch (c) {
401f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'b':
402f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_BytesWarningFlag++;
403f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
404f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
405f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'd':
406f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_DebugFlag++;
407f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
408f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
409f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'i':
410f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_InspectFlag++;
411f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_InteractiveFlag++;
412f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
413f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
414ad73a9cf97770023665a1bb1c6390a3c99478139Christian Heimes        case 'I':
415ad73a9cf97770023665a1bb1c6390a3c99478139Christian Heimes            Py_IsolatedFlag++;
416ad73a9cf97770023665a1bb1c6390a3c99478139Christian Heimes            Py_NoUserSiteDirectory++;
417ad73a9cf97770023665a1bb1c6390a3c99478139Christian Heimes            Py_IgnoreEnvironmentFlag++;
418ad73a9cf97770023665a1bb1c6390a3c99478139Christian Heimes            break;
419ad73a9cf97770023665a1bb1c6390a3c99478139Christian Heimes
420f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        /* case 'J': reserved for Jython */
421f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
422f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'O':
423f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_OptimizeFlag++;
424f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
425f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
426f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'B':
427f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_DontWriteBytecodeFlag++;
428f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
429f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
430f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 's':
431f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_NoUserSiteDirectory++;
432f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
433f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
434f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'S':
435f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_NoSiteFlag++;
436f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
437f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
438f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'E':
43986838b02f04a01445778584afb7acd0b05081335Antoine Pitrou            /* Already handled above */
440f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
441f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
442f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 't':
443f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            /* ignored for backwards compatibility */
444f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
445f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
446f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'u':
447f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_UnbufferedStdioFlag = 1;
448f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            saw_unbuffered_flag = 1;
449f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
450f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
451f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'v':
452f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_VerboseFlag++;
453f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
454f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
455f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'x':
456f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            skipfirstline = 1;
457f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
458f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
459f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'h':
460f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case '?':
461f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            help++;
462f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
463f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
464f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'V':
465f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            version++;
466f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
467f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
468f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        case 'W':
4696999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou            if (warning_options == NULL)
4706999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou                warning_options = PyList_New(0);
4716999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou            if (warning_options == NULL)
4726999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou                Py_FatalError("failure in handling of -W argument");
4736999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou            warning_option = PyUnicode_FromWideChar(_PyOS_optarg, -1);
4746999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou            if (warning_option == NULL)
4756999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou                Py_FatalError("failure in handling of -W argument");
4766999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou            PyList_Append(warning_options, warning_option);
4776999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou            Py_DECREF(warning_option);
478f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            break;
479f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
4809583cac6337f9a5f2670fbe5e1f2e85aaad04522Antoine Pitrou        case 'X':
4819583cac6337f9a5f2670fbe5e1f2e85aaad04522Antoine Pitrou            PySys_AddXOption(_PyOS_optarg);
4829583cac6337f9a5f2670fbe5e1f2e85aaad04522Antoine Pitrou            break;
4839583cac6337f9a5f2670fbe5e1f2e85aaad04522Antoine Pitrou
4849d8711964f114b9f0f5ed8a9a1eccfba2a096030Georg Brandl        case 'q':
4858aa7e999b5ab87cdbefe441649c223647875c110Georg Brandl            Py_QuietFlag++;
4869d8711964f114b9f0f5ed8a9a1eccfba2a096030Georg Brandl            break;
4879d8711964f114b9f0f5ed8a9a1eccfba2a096030Georg Brandl
4882daf6ae2495c862adf8bc717bfe9964081ea0b10Georg Brandl        case 'R':
489c9f54cf512996790266c17f81584c9725ee99d47Benjamin Peterson            /* Ignored */
4902daf6ae2495c862adf8bc717bfe9964081ea0b10Georg Brandl            break;
4912daf6ae2495c862adf8bc717bfe9964081ea0b10Georg Brandl
492f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        /* This space reserved for other options */
493f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
494f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        default:
495f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            return usage(2, argv[0]);
496f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            /*NOTREACHED*/
497f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
498f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        }
499f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
5007d4bb9f179f1888a472fd5d5a30df4ec3c55fea5Neil Schemenauer
501f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (help)
502f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        return usage(0, argv[0]);
503f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
504f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (version) {
505e3ed4edb94cadaef747f6032c52cd903a169883eSerhiy Storchaka        printf("Python %s\n", PY_VERSION);
506f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        return 0;
507f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
508f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
509f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (!Py_InspectFlag &&
510f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        (p = Py_GETENV("PYTHONINSPECT")) && *p != '\0')
511f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_InspectFlag = 1;
512f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (!saw_unbuffered_flag &&
513f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        (p = Py_GETENV("PYTHONUNBUFFERED")) && *p != '\0')
514f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_UnbufferedStdioFlag = 1;
515f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
516f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (!Py_NoUserSiteDirectory &&
517f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        (p = Py_GETENV("PYTHONNOUSERSITE")) && *p != '\0')
518f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_NoUserSiteDirectory = 1;
5198dc226fccd2183670ac19a85b89941f5b05167dcChristian Heimes
520e53de3dc4a9021b5edabd44fd495df7770b6249cPhilip Jenvey#ifdef MS_WINDOWS
521f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (!Py_IgnoreEnvironmentFlag && (wp = _wgetenv(L"PYTHONWARNINGS")) &&
522f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        *wp != L'\0') {
523f63dab5a842df7349af73be23fb3acc37aa75703Steve Dower        wchar_t *buf, *warning, *context = NULL;
524f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
5251a7425f67a0d141483d89ca80ca01e3cb7f6be92Victor Stinner        buf = (wchar_t *)PyMem_RawMalloc((wcslen(wp) + 1) * sizeof(wchar_t));
526f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        if (buf == NULL)
527f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_FatalError(
528f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou               "not enough memory to copy PYTHONWARNINGS");
529f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        wcscpy(buf, wp);
530f63dab5a842df7349af73be23fb3acc37aa75703Steve Dower        for (warning = wcstok_s(buf, L",", &context);
531f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou             warning != NULL;
532f63dab5a842df7349af73be23fb3acc37aa75703Steve Dower             warning = wcstok_s(NULL, L",", &context)) {
533f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            PySys_AddWarnOption(warning);
534f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        }
5351a7425f67a0d141483d89ca80ca01e3cb7f6be92Victor Stinner        PyMem_RawFree(buf);
536f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
537e53de3dc4a9021b5edabd44fd495df7770b6249cPhilip Jenvey#else
538f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if ((p = Py_GETENV("PYTHONWARNINGS")) && *p != '\0') {
539f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        char *buf, *oldloc;
540c2d76fd339f5fcc4f0051696e5e57c979289a9c3Victor Stinner        PyObject *unicode;
541f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
542f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        /* settle for strtok here as there's no one standard
543f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou           C89 wcstok */
5441a7425f67a0d141483d89ca80ca01e3cb7f6be92Victor Stinner        buf = (char *)PyMem_RawMalloc(strlen(p) + 1);
545f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        if (buf == NULL)
546f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_FatalError(
547f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou               "not enough memory to copy PYTHONWARNINGS");
548f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        strcpy(buf, p);
54949fc8ece8172162510890f42127d2aa4e13f878bVictor Stinner        oldloc = _PyMem_RawStrdup(setlocale(LC_ALL, NULL));
550f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        setlocale(LC_ALL, "");
551f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        for (p = strtok(buf, ","); p != NULL; p = strtok(NULL, ",")) {
5525c848a84fd59eabd1ab9965d376b78139eaf97f7Victor Stinner#ifdef __APPLE__
5535c848a84fd59eabd1ab9965d376b78139eaf97f7Victor Stinner            /* Use utf-8 on Mac OS X */
5545c848a84fd59eabd1ab9965d376b78139eaf97f7Victor Stinner            unicode = PyUnicode_FromString(p);
5555c848a84fd59eabd1ab9965d376b78139eaf97f7Victor Stinner#else
5561b57967b96daeb505e9d2dbe3cd347625dcb0739Victor Stinner            unicode = PyUnicode_DecodeLocale(p, "surrogateescape");
5575c848a84fd59eabd1ab9965d376b78139eaf97f7Victor Stinner#endif
558af02e1c85a66009cdc645a64de7d7ee1335c8301Victor Stinner            if (unicode == NULL) {
559af02e1c85a66009cdc645a64de7d7ee1335c8301Victor Stinner                /* ignore errors */
560af02e1c85a66009cdc645a64de7d7ee1335c8301Victor Stinner                PyErr_Clear();
561c2d76fd339f5fcc4f0051696e5e57c979289a9c3Victor Stinner                continue;
562af02e1c85a66009cdc645a64de7d7ee1335c8301Victor Stinner            }
563c2d76fd339f5fcc4f0051696e5e57c979289a9c3Victor Stinner            PySys_AddWarnOptionUnicode(unicode);
564c2d76fd339f5fcc4f0051696e5e57c979289a9c3Victor Stinner            Py_DECREF(unicode);
565f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        }
566f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        setlocale(LC_ALL, oldloc);
56749fc8ece8172162510890f42127d2aa4e13f878bVictor Stinner        PyMem_RawFree(oldloc);
5681a7425f67a0d141483d89ca80ca01e3cb7f6be92Victor Stinner        PyMem_RawFree(buf);
569f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
570e53de3dc4a9021b5edabd44fd495df7770b6249cPhilip Jenvey#endif
5716999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou    if (warning_options != NULL) {
5726999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou        Py_ssize_t i;
5736999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou        for (i = 0; i < PyList_GET_SIZE(warning_options); i++) {
5746999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou            PySys_AddWarnOptionUnicode(PyList_GET_ITEM(warning_options, i));
5756999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou        }
5766999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou    }
5770805ca3f931ccd4735dcaa231752371deadf5ccfPhilip Jenvey
578f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (command == NULL && module == NULL && _PyOS_optind < argc &&
579f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        wcscmp(argv[_PyOS_optind], L"-") != 0)
580f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    {
581f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        filename = argv[_PyOS_optind];
582f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
583775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum
584f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    stdin_is_interactive = Py_FdIsInteractive(stdin, (char *)0);
585775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum
5869cf424b04bf355df85659da18abc2ac3f9419c37Sjoerd Mullender#if defined(MS_WINDOWS) || defined(__CYGWIN__)
58789e343660623862acbd40cc617b4af262d6c799fVictor Stinner    /* don't translate newlines (\r\n <=> \n) */
58889e343660623862acbd40cc617b4af262d6c799fVictor Stinner    _setmode(fileno(stdin), O_BINARY);
58989e343660623862acbd40cc617b4af262d6c799fVictor Stinner    _setmode(fileno(stdout), O_BINARY);
59089e343660623862acbd40cc617b4af262d6c799fVictor Stinner    _setmode(fileno(stderr), O_BINARY);
591f22d7e2c69f9095edc2703483ec11a3b7ff931f5Guido van Rossum#endif
59289e343660623862acbd40cc617b4af262d6c799fVictor Stinner
59389e343660623862acbd40cc617b4af262d6c799fVictor Stinner    if (Py_UnbufferedStdioFlag) {
59422ffac1b1f8288bac7a277a8caa04ca731a54b81Guido van Rossum#ifdef HAVE_SETVBUF
595f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        setvbuf(stdin,  (char *)NULL, _IONBF, BUFSIZ);
596f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ);
597f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        setvbuf(stderr, (char *)NULL, _IONBF, BUFSIZ);
59822ffac1b1f8288bac7a277a8caa04ca731a54b81Guido van Rossum#else /* !HAVE_SETVBUF */
599f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        setbuf(stdin,  (char *)NULL);
600f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        setbuf(stdout, (char *)NULL);
601f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        setbuf(stderr, (char *)NULL);
60222ffac1b1f8288bac7a277a8caa04ca731a54b81Guido van Rossum#endif /* !HAVE_SETVBUF */
603f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
604f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    else if (Py_InteractiveFlag) {
605b31c7dcb43307b57917150d60a64856d5a845fa7Guido van Rossum#ifdef MS_WINDOWS
606f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        /* Doesn't have to have line-buffered -- use unbuffered */
607f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        /* Any set[v]buf(stdin, ...) screws up Tkinter :-( */
608f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ);
60922ffac1b1f8288bac7a277a8caa04ca731a54b81Guido van Rossum#else /* !MS_WINDOWS */
61022ffac1b1f8288bac7a277a8caa04ca731a54b81Guido van Rossum#ifdef HAVE_SETVBUF
611f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        setvbuf(stdin,  (char *)NULL, _IOLBF, BUFSIZ);
612f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        setvbuf(stdout, (char *)NULL, _IOLBF, BUFSIZ);
61322ffac1b1f8288bac7a277a8caa04ca731a54b81Guido van Rossum#endif /* HAVE_SETVBUF */
61422ffac1b1f8288bac7a277a8caa04ca731a54b81Guido van Rossum#endif /* !MS_WINDOWS */
615f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        /* Leave stderr alone - it should be unbuffered anyway. */
616f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
617667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum
6182ac79ef9e3168691efabad6877e45168a00738acJust van Rossum#ifdef __APPLE__
619f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    /* On MacOS X, when the Python interpreter is embedded in an
620f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou       application bundle, it gets executed by a bootstrapping script
621f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou       that does os.execve() with an argv[0] that's different from the
622f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou       actual Python executable. This is needed to keep the Finder happy,
623f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou       or rather, to work around Apple's overly strict requirements of
624f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou       the process name. However, we still need a usable sys.executable,
625f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou       so the actual executable path is passed in an environment variable.
626f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou       See Lib/plat-mac/bundlebuiler.py for details about the bootstrap
627f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou       script. */
628f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if ((p = Py_GETENV("PYTHONEXECUTABLE")) && *p != '\0') {
629f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        wchar_t* buffer;
630eb61f8b3a726a8cd1ae3bc3794623e7fe4dd5703Ronald Oussoren        size_t len = strlen(p) + 1;
631f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
6321a7425f67a0d141483d89ca80ca01e3cb7f6be92Victor Stinner        buffer = PyMem_RawMalloc(len * sizeof(wchar_t));
633f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        if (buffer == NULL) {
634f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_FatalError(
635f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou               "not enough memory to copy PYTHONEXECUTABLE");
636f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        }
637f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
638b94767ff44edf5d461d7cb1c8eb5160f83886358Brett Cannon        mbstowcs(buffer, p, len);
639f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_SetProgramName(buffer);
640f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        /* buffer is now handed off - do not free */
641f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    } else {
64290db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip#ifdef WITH_NEXT_FRAMEWORK
64390db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip        char* pyvenv_launcher = getenv("__PYVENV_LAUNCHER__");
64490db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip
64590db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip        if (pyvenv_launcher && *pyvenv_launcher) {
64690db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip            /* Used by Mac/Tools/pythonw.c to forward
64790db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip             * the argv0 of the stub executable
64890db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip             */
649f6a271ae980d2f3fb450f745b8f87624378156c4Victor Stinner            wchar_t* wbuf = Py_DecodeLocale(pyvenv_launcher, NULL);
65090db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip
65190db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip            if (wbuf == NULL) {
65290db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip                Py_FatalError("Cannot decode __PYVENV_LAUNCHER__");
65390db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip            }
65490db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip            Py_SetProgramName(wbuf);
65590db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip
65690db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip            /* Don't free wbuf, the argument to Py_SetProgramName
65790db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip             * must remain valid until the Py_Finalize is called.
65890db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip             */
65990db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip        } else {
66090db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip            Py_SetProgramName(argv[0]);
66190db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip        }
66290db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip#else
663f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_SetProgramName(argv[0]);
66490db661b4335eaf7a3cb5e9a4524ae9707eeaf76Vinay Sajip#endif
665f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
6662ac79ef9e3168691efabad6877e45168a00738acJust van Rossum#else
667f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    Py_SetProgramName(argv[0]);
668fbd861bbd3532372c6c9160c5d14f17ff2c7de00Jack Jansen#endif
669f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    Py_Initialize();
6706999441d62cfc6a6273b0e9e3df2cce0ef3f05faAntoine Pitrou    Py_XDECREF(warning_options);
671f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
6728aa7e999b5ab87cdbefe441649c223647875c110Georg Brandl    if (!Py_QuietFlag && (Py_VerboseFlag ||
6739d8711964f114b9f0f5ed8a9a1eccfba2a096030Georg Brandl                        (command == NULL && filename == NULL &&
6749d8711964f114b9f0f5ed8a9a1eccfba2a096030Georg Brandl                         module == NULL && stdin_is_interactive))) {
675f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        fprintf(stderr, "Python %s on %s\n",
676f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_GetVersion(), Py_GetPlatform());
677f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        if (!Py_NoSiteFlag)
678f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            fprintf(stderr, "%s\n", COPYRIGHT);
679f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
680f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
681f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (command != NULL) {
682f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        /* Backup _PyOS_optind and force sys.argv[0] = '-c' */
683f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        _PyOS_optind--;
684f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        argv[_PyOS_optind] = L"-c";
685f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
686f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
687f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (module != NULL) {
688d26c18adccf02321592cd58a2dadb0ab68af6906Nick Coghlan        /* Backup _PyOS_optind and force sys.argv[0] = '-m'*/
689f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        _PyOS_optind--;
690d26c18adccf02321592cd58a2dadb0ab68af6906Nick Coghlan        argv[_PyOS_optind] = L"-m";
691f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
692f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
693f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    PySys_SetArgv(argc-_PyOS_optind, argv+_PyOS_optind);
694f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
695f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if ((Py_InspectFlag || (command == NULL && filename == NULL && module == NULL)) &&
696f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        isatty(fileno(stdin))) {
697f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        PyObject *v;
698f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        v = PyImport_ImportModule("readline");
699f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        if (v == NULL)
700f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            PyErr_Clear();
701f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        else
702f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_DECREF(v);
703f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
704f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
705f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (command) {
706a62207c5847948b83d698b5fb4b2c1a03434a5a6Victor Stinner        sts = run_command(command, &cf);
7071a7425f67a0d141483d89ca80ca01e3cb7f6be92Victor Stinner        PyMem_RawFree(command);
708f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    } else if (module) {
709f01a337950bdcd6905d12b2335ba4d8773f6b8e5Senthil Kumaran        sts = (RunModule(module, 1) != 0);
710f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
711f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    else {
712f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
713f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        if (filename == NULL && stdin_is_interactive) {
714f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            Py_InspectFlag = 0; /* do exit on SystemExit */
715f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            RunStartupFile(&cf);
7161a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou            RunInteractiveHook();
717f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        }
718f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        /* XXX */
719f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
720f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        sts = -1;               /* keep track of whether we've already run __main__ */
721f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
722f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        if (filename != NULL) {
723f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            sts = RunMainFromImporter(filename);
724f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        }
725f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
726f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        if (sts==-1 && filename!=NULL) {
7279a6692f6d7784365ae07094694c754d2b153b719Victor Stinner            fp = _Py_wfopen(filename, L"r");
7289a6692f6d7784365ae07094694c754d2b153b719Victor Stinner            if (fp == NULL) {
7299a6692f6d7784365ae07094694c754d2b153b719Victor Stinner                char *cfilename_buffer;
7309a6692f6d7784365ae07094694c754d2b153b719Victor Stinner                const char *cfilename;
731c345ce1a69b3c4a46d87ef56d859bc70abfc74b4Antoine Pitrou                int err = errno;
732f6a271ae980d2f3fb450f745b8f87624378156c4Victor Stinner                cfilename_buffer = Py_EncodeLocale(filename, NULL);
7339a6692f6d7784365ae07094694c754d2b153b719Victor Stinner                if (cfilename_buffer != NULL)
7349a6692f6d7784365ae07094694c754d2b153b719Victor Stinner                    cfilename = cfilename_buffer;
7359a6692f6d7784365ae07094694c754d2b153b719Victor Stinner                else
7369a6692f6d7784365ae07094694c754d2b153b719Victor Stinner                    cfilename = "<unprintable file name>";
737f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                fprintf(stderr, "%ls: can't open file '%s': [Errno %d] %s\n",
738c345ce1a69b3c4a46d87ef56d859bc70abfc74b4Antoine Pitrou                    argv[0], cfilename, err, strerror(err));
7399a6692f6d7784365ae07094694c754d2b153b719Victor Stinner                if (cfilename_buffer)
7409a6692f6d7784365ae07094694c754d2b153b719Victor Stinner                    PyMem_Free(cfilename_buffer);
741f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                return 2;
742f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            }
743f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            else if (skipfirstline) {
744f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                int ch;
745f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                /* Push back first newline so line numbers
746f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                   remain the same */
747f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                while ((ch = getc(fp)) != EOF) {
748f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                    if (ch == '\n') {
749f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                        (void)ungetc(ch, fp);
750f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                        break;
751f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                    }
752f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                }
753f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            }
754f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            {
755f2f373f5931be48efc3f6fa2c2faa1cca79dce75Steve Dower                struct _Py_stat_struct sb;
756f2f373f5931be48efc3f6fa2c2faa1cca79dce75Steve Dower                if (_Py_fstat(fileno(fp), &sb) == 0 &&
757f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                    S_ISDIR(sb.st_mode)) {
758f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                    fprintf(stderr, "%ls: '%ls' is a directory, cannot continue\n", argv[0], filename);
759f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                    fclose(fp);
760f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                    return 1;
761f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou                }
762f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou            }
763f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        }
764f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
7650a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner        if (sts == -1)
7660a3ddad666d3c30f3b232a1825dc6d8e2de04b47Victor Stinner            sts = run_file(fp, filename, &cf);
767f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
768f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
769f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    /* Check this environment variable at the end, to give programs the
770f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou     * opportunity to set it from Python.
771f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou     */
772f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (!Py_InspectFlag &&
773f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        (p = Py_GETENV("PYTHONINSPECT")) && *p != '\0')
774f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    {
775f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_InspectFlag = 1;
776f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
777f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
778f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    if (Py_InspectFlag && stdin_is_interactive &&
779f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        (filename != NULL || command != NULL || module != NULL)) {
780f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        Py_InspectFlag = 0;
7811a6cb30a346ba8812d6abc77fddee636ae06ccffAntoine Pitrou        RunInteractiveHook();
782f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        /* XXX */
783f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou        sts = PyRun_AnyFileFlags(stdin, "<stdin>", &cf) != 0;
784f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    }
785f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou
786f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    Py_Finalize();
7873e13b1e48bdd0550929f55bac11571116cd655abBarry Warsaw
7883e13b1e48bdd0550929f55bac11571116cd655abBarry Warsaw#ifdef __INSURE__
789f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    /* Insure++ is a memory analysis tool that aids in discovering
790f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou     * memory leaks and other memory problems.  On Python exit, the
791f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou     * interned string dictionaries are flagged as being in use at exit
792f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou     * (which it is).  Under normal circumstances, this is fine because
793f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou     * the memory will be automatically reclaimed by the system.  Under
794f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou     * memory debugging, it's a huge source of useless noise, so we
795f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou     * trade off slower shutdown for less distraction in the memory
796f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou     * reports.  -baw
797f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou     */
798f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    _Py_ReleaseInternedUnicodeStrings();
7993e13b1e48bdd0550929f55bac11571116cd655abBarry Warsaw#endif /* __INSURE__ */
8003e13b1e48bdd0550929f55bac11571116cd655abBarry Warsaw
801f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    return sts;
802667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum}
803667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum
804786ea6bc23c26a0ec98d5cbc80633615f9fa8cb1Skip Montanaro/* this is gonna seem *real weird*, but if you put some other code between
805786ea6bc23c26a0ec98d5cbc80633615f9fa8cb1Skip Montanaro   Py_Main() and Py_GetArgcArgv() you will need to adjust the test in the
806786ea6bc23c26a0ec98d5cbc80633615f9fa8cb1Skip Montanaro   while statement in Misc/gdbinit:ppystack */
807667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum
808667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Make the *original* argc/argv available to other modules.
809667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum   This is rare, but it is needed by the secureware extension. */
810667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum
811667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumvoid
812790465fd90e8a72590386465f518db9e67ab843fMartin v. LöwisPy_GetArgcArgv(int *argc, wchar_t ***argv)
813667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum{
814f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    *argc = orig_argc;
815f95a1b3c53bdd678b64aa608d4375660033460c3Antoine Pitrou    *argv = orig_argv;
816667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum}
81749fd7fa4431da299196d74087df4a04f99f9c46fThomas Wouters
81849fd7fa4431da299196d74087df4a04f99f9c46fThomas Wouters#ifdef __cplusplus
81949fd7fa4431da299196d74087df4a04f99f9c46fThomas Wouters}
82049fd7fa4431da299196d74087df4a04f99f9c46fThomas Wouters#endif
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