Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 1 | /* Python interpreter main program */ |
| 2 | |
| 3 | #include "Python.h" |
Guido van Rossum | a075ce1 | 1997-12-05 21:56:45 +0000 | [diff] [blame] | 4 | #include "osdefs.h" |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 5 | |
Antoine Pitrou | 5651eaa | 2008-09-06 20:46:58 +0000 | [diff] [blame] | 6 | #include <locale.h> |
| 7 | |
Sjoerd Mullender | 9cf424b | 2002-08-09 13:35:18 +0000 | [diff] [blame] | 8 | #if defined(MS_WINDOWS) || defined(__CYGWIN__) |
Martin v. Löwis | 945362c | 2007-08-30 14:57:25 +0000 | [diff] [blame] | 9 | #include <windows.h> |
Steve Dower | bfce0f9 | 2016-12-28 15:41:09 -0800 | [diff] [blame] | 10 | #ifdef HAVE_IO_H |
| 11 | #include <io.h> |
| 12 | #endif |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 13 | #ifdef HAVE_FCNTL_H |
Guido van Rossum | 3e7ae7a | 1997-01-17 22:05:38 +0000 | [diff] [blame] | 14 | #include <fcntl.h> |
| 15 | #endif |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 16 | #endif |
Guido van Rossum | 3e7ae7a | 1997-01-17 22:05:38 +0000 | [diff] [blame] | 17 | |
Martin v. Löwis | 945362c | 2007-08-30 14:57:25 +0000 | [diff] [blame] | 18 | #ifdef _MSC_VER |
| 19 | #include <crtdbg.h> |
| 20 | #endif |
| 21 | |
Jesus Cea | ab70e2a | 2012-10-05 01:48:08 +0200 | [diff] [blame] | 22 | #if defined(MS_WINDOWS) |
Guido van Rossum | a075ce1 | 1997-12-05 21:56:45 +0000 | [diff] [blame] | 23 | #define PYTHONHOMEHELP "<prefix>\\lib" |
| 24 | #else |
Marc-André Lemburg | da4dbc3 | 2001-06-12 16:13:51 +0000 | [diff] [blame] | 25 | #define PYTHONHOMEHELP "<prefix>/pythonX.X" |
Guido van Rossum | a075ce1 | 1997-12-05 21:56:45 +0000 | [diff] [blame] | 26 | #endif |
| 27 | |
Thomas Wouters | 2cffc7d | 2000-11-03 08:18:37 +0000 | [diff] [blame] | 28 | #include "pygetopt.h" |
| 29 | |
Guido van Rossum | a22865e | 2000-09-05 04:41:18 +0000 | [diff] [blame] | 30 | #define COPYRIGHT \ |
Guido van Rossum | 36002d7 | 2001-07-18 16:59:46 +0000 | [diff] [blame] | 31 | "Type \"help\", \"copyright\", \"credits\" or \"license\" " \ |
| 32 | "for more information." |
Guido van Rossum | a22865e | 2000-09-05 04:41:18 +0000 | [diff] [blame] | 33 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 34 | #ifdef __cplusplus |
| 35 | extern "C" { |
| 36 | #endif |
| 37 | |
Guido van Rossum | ac56b03 | 1996-07-21 02:33:38 +0000 | [diff] [blame] | 38 | /* For Py_GetArgcArgv(); set by main() */ |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 39 | static wchar_t **orig_argv; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 40 | static int orig_argc; |
| 41 | |
Guido van Rossum | bceccf5 | 2001-04-10 22:07:43 +0000 | [diff] [blame] | 42 | /* command line options */ |
Christian Heimes | ad73a9c | 2013-08-10 16:36:18 +0200 | [diff] [blame] | 43 | #define BASE_OPTS L"bBc:dEhiIJm:OqRsStuvVW:xX:?" |
Guido van Rossum | bceccf5 | 2001-04-10 22:07:43 +0000 | [diff] [blame] | 44 | |
Guido van Rossum | bceccf5 | 2001-04-10 22:07:43 +0000 | [diff] [blame] | 45 | #define PROGRAM_OPTS BASE_OPTS |
Guido van Rossum | 3ed4c15 | 2001-03-02 06:18:03 +0000 | [diff] [blame] | 46 | |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 47 | /* Short usage message (with %s for argv0) */ |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 48 | static const char usage_line[] = |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 49 | "usage: %ls [option] ... [-c cmd | -m mod | file | -] [arg] ...\n"; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 50 | |
| 51 | /* Long usage message, split into parts < 512 bytes */ |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 52 | static const char usage_1[] = "\ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 53 | Options and arguments (and corresponding environment variables):\n\ |
Christian Heimes | 2ab3444 | 2008-09-03 20:31:07 +0000 | [diff] [blame] | 54 | -b : issue warnings about str(bytes_instance), str(bytearray_instance)\n\ |
| 55 | and comparing bytes/bytearray with str. (-bb: issue errors)\n\ |
Xiang Zhang | 0710d75 | 2017-03-11 13:02:52 +0800 | [diff] [blame] | 56 | -B : don't write .pyc files on import; also PYTHONDONTWRITEBYTECODE=x\n\ |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 57 | -c cmd : program passed in as string (terminates option list)\n\ |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 58 | -d : debug output from parser; also PYTHONDEBUG=x\n\ |
Christian Heimes | 790c823 | 2008-01-07 21:14:23 +0000 | [diff] [blame] | 59 | -E : ignore PYTHON* environment variables (such as PYTHONPATH)\n\ |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 60 | -h : print this help message and exit (also --help)\n\ |
Guido van Rossum | 61c345f | 2001-09-04 03:26:15 +0000 | [diff] [blame] | 61 | "; |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 62 | static const char usage_2[] = "\ |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 63 | -i : inspect interactively after running script; forces a prompt even\n\ |
| 64 | if stdin does not appear to be a terminal; also PYTHONINSPECT=x\n\ |
Christian Heimes | ad73a9c | 2013-08-10 16:36:18 +0200 | [diff] [blame] | 65 | -I : isolate Python from the user's environment (implies -E and -s)\n\ |
Raymond Hettinger | db29e0f | 2004-10-07 06:46:25 +0000 | [diff] [blame] | 66 | -m mod : run library module as a script (terminates option list)\n\ |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 67 | -O : optimize generated bytecode slightly; also PYTHONOPTIMIZE=x\n\ |
Guido van Rossum | 6b86a42 | 1999-01-28 15:07:47 +0000 | [diff] [blame] | 68 | -OO : remove doc-strings in addition to the -O optimizations\n\ |
Georg Brandl | 9d87119 | 2010-12-04 10:47:18 +0000 | [diff] [blame] | 69 | -q : don't print version and copyright messages on interactive startup\n\ |
Christian Heimes | 8dc226f | 2008-05-06 23:45:46 +0000 | [diff] [blame] | 70 | -s : don't add user site directory to sys.path; also PYTHONNOUSERSITE\n\ |
Guido van Rossum | 7922bd7 | 1997-08-29 22:34:47 +0000 | [diff] [blame] | 71 | -S : don't imply 'import site' on initialization\n\ |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 72 | "; |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 73 | static const char usage_3[] = "\ |
Ezio Melotti | 61b0c67 | 2013-07-25 05:04:02 +0200 | [diff] [blame] | 74 | -u : unbuffered binary stdout and stderr, stdin always buffered;\n\ |
| 75 | also PYTHONUNBUFFERED=x\n\ |
Raymond Hettinger | db29e0f | 2004-10-07 06:46:25 +0000 | [diff] [blame] | 76 | see man page for details on internal buffering relating to '-u'\n\ |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 77 | -v : verbose (trace import statements); also PYTHONVERBOSE=x\n\ |
| 78 | can be supplied multiple times to increase verbosity\n\ |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 79 | -V : print the Python version number and exit (also --version)\n\ |
INADA Naoki | 0e175a6 | 2016-11-21 20:57:14 +0900 | [diff] [blame] | 80 | when given twice, print more information about the build\n\ |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 81 | -W arg : warning control; arg is action:message:category:module:lineno\n\ |
Philip Jenvey | 0805ca3 | 2010-04-07 04:04:10 +0000 | [diff] [blame] | 82 | also PYTHONWARNINGS=arg\n\ |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 83 | -x : skip first line of source, allowing use of non-Unix forms of #!cmd\n\ |
Antoine Pitrou | 9583cac | 2010-10-21 13:42:28 +0000 | [diff] [blame] | 84 | -X opt : set implementation-specific option\n\ |
Guido van Rossum | 7922bd7 | 1997-08-29 22:34:47 +0000 | [diff] [blame] | 85 | "; |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 86 | static const char usage_4[] = "\ |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 87 | file : program read from script file\n\ |
| 88 | - : program read from stdin (default; interactive mode if a tty)\n\ |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 89 | arg ...: arguments passed to program in sys.argv[1:]\n\n\ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 90 | Other environment variables:\n\ |
| 91 | PYTHONSTARTUP: file executed on interactive startup (no default)\n\ |
Serhiy Storchaka | 1ba0161 | 2015-12-30 09:28:19 +0200 | [diff] [blame] | 92 | PYTHONPATH : '%lc'-separated list of directories prefixed to the\n\ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 93 | default module search path. The result is sys.path.\n\ |
Christian Heimes | 790c823 | 2008-01-07 21:14:23 +0000 | [diff] [blame] | 94 | "; |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 95 | static const char usage_5[] = |
Serhiy Storchaka | 1ba0161 | 2015-12-30 09:28:19 +0200 | [diff] [blame] | 96 | "PYTHONHOME : alternate <prefix> directory (or <prefix>%lc<exec_prefix>).\n" |
Victor Stinner | 9802b39 | 2010-08-19 11:36:43 +0000 | [diff] [blame] | 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" |
Victor Stinner | 34be807 | 2016-03-14 12:04:26 +0100 | [diff] [blame] | 100 | "PYTHONFAULTHANDLER: dump the Python traceback on fatal errors.\n"; |
| 101 | static const char usage_6[] = |
| 102 | "PYTHONHASHSEED: if this variable is set to 'random', a random value is used\n" |
| 103 | " to seed the hashes of str, bytes and datetime objects. It can also be\n" |
| 104 | " set to an integer in the range [0,4294967295] to get hash values with a\n" |
| 105 | " predictable seed.\n" |
| 106 | "PYTHONMALLOC: set the Python memory allocators and/or install debug hooks\n" |
| 107 | " on Python memory allocators. Use PYTHONMALLOC=debug to install debug\n" |
Nick Coghlan | eb81795 | 2017-06-18 12:29:42 +1000 | [diff] [blame] | 108 | " hooks.\n" |
Stéphane Wirtel | 7d1017d | 2017-06-12 13:30:33 +0200 | [diff] [blame] | 109 | "PYTHONCOERCECLOCALE: if this variable is set to 0, it disables the locale\n" |
Nick Coghlan | eb81795 | 2017-06-18 12:29:42 +1000 | [diff] [blame] | 110 | " coercion behavior. Use PYTHONCOERCECLOCALE=warn to request display of\n" |
| 111 | " locale coercion and locale compatibility warnings on stderr.\n"; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 112 | |
Martin v. Löwis | 852ba7e | 2003-03-30 17:09:58 +0000 | [diff] [blame] | 113 | static int |
Serhiy Storchaka | ef1585e | 2015-12-25 20:01:53 +0200 | [diff] [blame] | 114 | usage(int exitcode, const wchar_t* program) |
Barry Warsaw | 3b2aedb | 2000-09-15 18:40:42 +0000 | [diff] [blame] | 115 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 116 | FILE *f = exitcode ? stderr : stdout; |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 117 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 118 | fprintf(f, usage_line, program); |
| 119 | if (exitcode) |
| 120 | fprintf(f, "Try `python -h' for more information.\n"); |
| 121 | else { |
| 122 | fputs(usage_1, f); |
| 123 | fputs(usage_2, f); |
| 124 | fputs(usage_3, f); |
Serhiy Storchaka | 1ba0161 | 2015-12-30 09:28:19 +0200 | [diff] [blame] | 125 | fprintf(f, usage_4, (wint_t)DELIM); |
| 126 | fprintf(f, usage_5, (wint_t)DELIM, PYTHONHOMEHELP); |
Georg Brandl | 2daf6ae | 2012-02-20 19:54:16 +0100 | [diff] [blame] | 127 | fputs(usage_6, f); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 128 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 129 | return exitcode; |
Barry Warsaw | 3b2aedb | 2000-09-15 18:40:42 +0000 | [diff] [blame] | 130 | } |
| 131 | |
Martin v. Löwis | 6caea37 | 2003-11-18 19:46:25 +0000 | [diff] [blame] | 132 | static void RunStartupFile(PyCompilerFlags *cf) |
| 133 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 134 | char *startup = Py_GETENV("PYTHONSTARTUP"); |
| 135 | if (startup != NULL && startup[0] != '\0') { |
Victor Stinner | daf4555 | 2013-08-28 00:53:59 +0200 | [diff] [blame] | 136 | FILE *fp = _Py_fopen(startup, "r"); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 137 | if (fp != NULL) { |
| 138 | (void) PyRun_SimpleFileExFlags(fp, startup, 0, cf); |
| 139 | PyErr_Clear(); |
| 140 | fclose(fp); |
| 141 | } else { |
| 142 | int save_errno; |
| 143 | |
| 144 | save_errno = errno; |
| 145 | PySys_WriteStderr("Could not open PYTHONSTARTUP\n"); |
| 146 | errno = save_errno; |
Serhiy Storchaka | 55fe1ae | 2017-04-16 10:46:38 +0300 | [diff] [blame] | 147 | PyErr_SetFromErrnoWithFilename(PyExc_OSError, |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 148 | startup); |
| 149 | PyErr_Print(); |
| 150 | PyErr_Clear(); |
| 151 | } |
| 152 | } |
Martin v. Löwis | 6caea37 | 2003-11-18 19:46:25 +0000 | [diff] [blame] | 153 | } |
| 154 | |
Antoine Pitrou | 1a6cb30 | 2013-05-04 20:08:35 +0200 | [diff] [blame] | 155 | static void RunInteractiveHook(void) |
| 156 | { |
| 157 | PyObject *sys, *hook, *result; |
| 158 | sys = PyImport_ImportModule("sys"); |
| 159 | if (sys == NULL) |
| 160 | goto error; |
| 161 | hook = PyObject_GetAttrString(sys, "__interactivehook__"); |
| 162 | Py_DECREF(sys); |
| 163 | if (hook == NULL) |
| 164 | PyErr_Clear(); |
| 165 | else { |
Victor Stinner | a5ed5f0 | 2016-12-06 18:45:50 +0100 | [diff] [blame] | 166 | result = _PyObject_CallNoArg(hook); |
Antoine Pitrou | 1a6cb30 | 2013-05-04 20:08:35 +0200 | [diff] [blame] | 167 | Py_DECREF(hook); |
| 168 | if (result == NULL) |
| 169 | goto error; |
| 170 | else |
| 171 | Py_DECREF(result); |
| 172 | } |
| 173 | return; |
| 174 | |
| 175 | error: |
| 176 | PySys_WriteStderr("Failed calling sys.__interactivehook__\n"); |
| 177 | PyErr_Print(); |
| 178 | PyErr_Clear(); |
| 179 | } |
| 180 | |
Thomas Wouters | a977329 | 2006-04-21 09:43:23 +0000 | [diff] [blame] | 181 | |
Antoine Pitrou | 5651eaa | 2008-09-06 20:46:58 +0000 | [diff] [blame] | 182 | static int RunModule(wchar_t *modname, int set_argv0) |
Raymond Hettinger | db29e0f | 2004-10-07 06:46:25 +0000 | [diff] [blame] | 183 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 184 | PyObject *module, *runpy, *runmodule, *runargs, *result; |
| 185 | runpy = PyImport_ImportModule("runpy"); |
| 186 | if (runpy == NULL) { |
| 187 | fprintf(stderr, "Could not import runpy module\n"); |
Victor Stinner | 7d36e4f | 2013-04-10 00:27:23 +0200 | [diff] [blame] | 188 | PyErr_Print(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 189 | return -1; |
| 190 | } |
| 191 | runmodule = PyObject_GetAttrString(runpy, "_run_module_as_main"); |
| 192 | if (runmodule == NULL) { |
| 193 | fprintf(stderr, "Could not access runpy._run_module_as_main\n"); |
Victor Stinner | 7d36e4f | 2013-04-10 00:27:23 +0200 | [diff] [blame] | 194 | PyErr_Print(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 195 | Py_DECREF(runpy); |
| 196 | return -1; |
| 197 | } |
| 198 | module = PyUnicode_FromWideChar(modname, wcslen(modname)); |
| 199 | if (module == NULL) { |
| 200 | fprintf(stderr, "Could not convert module name to unicode\n"); |
Victor Stinner | 7d36e4f | 2013-04-10 00:27:23 +0200 | [diff] [blame] | 201 | PyErr_Print(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 202 | Py_DECREF(runpy); |
| 203 | Py_DECREF(runmodule); |
| 204 | return -1; |
| 205 | } |
| 206 | runargs = Py_BuildValue("(Oi)", module, set_argv0); |
| 207 | if (runargs == NULL) { |
| 208 | fprintf(stderr, |
| 209 | "Could not create arguments for runpy._run_module_as_main\n"); |
Victor Stinner | 7d36e4f | 2013-04-10 00:27:23 +0200 | [diff] [blame] | 210 | PyErr_Print(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 211 | Py_DECREF(runpy); |
| 212 | Py_DECREF(runmodule); |
| 213 | Py_DECREF(module); |
| 214 | return -1; |
| 215 | } |
| 216 | result = PyObject_Call(runmodule, runargs, NULL); |
| 217 | if (result == NULL) { |
| 218 | PyErr_Print(); |
| 219 | } |
| 220 | Py_DECREF(runpy); |
| 221 | Py_DECREF(runmodule); |
| 222 | Py_DECREF(module); |
| 223 | Py_DECREF(runargs); |
| 224 | if (result == NULL) { |
| 225 | return -1; |
| 226 | } |
| 227 | Py_DECREF(result); |
| 228 | return 0; |
Raymond Hettinger | db29e0f | 2004-10-07 06:46:25 +0000 | [diff] [blame] | 229 | } |
Barry Warsaw | 3b2aedb | 2000-09-15 18:40:42 +0000 | [diff] [blame] | 230 | |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 231 | static PyObject * |
| 232 | AsImportPathEntry(wchar_t *filename) |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 233 | { |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 234 | PyObject *sys_path0 = NULL, *importer; |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 235 | |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 236 | sys_path0 = PyUnicode_FromWideChar(filename, wcslen(filename)); |
| 237 | if (sys_path0 == NULL) |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 238 | goto error; |
| 239 | |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 240 | importer = PyImport_GetImporter(sys_path0); |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 241 | if (importer == NULL) |
| 242 | goto error; |
| 243 | |
Brett Cannon | aa93642 | 2012-04-27 15:30:58 -0400 | [diff] [blame] | 244 | if (importer == Py_None) { |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 245 | Py_DECREF(sys_path0); |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 246 | Py_DECREF(importer); |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 247 | return NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 248 | } |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 249 | Py_DECREF(importer); |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 250 | return sys_path0; |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 251 | |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 252 | error: |
| 253 | Py_XDECREF(sys_path0); |
| 254 | PySys_WriteStderr("Failed checking if argv[0] is an import path entry\n"); |
| 255 | PyErr_Print(); |
| 256 | PyErr_Clear(); |
| 257 | return NULL; |
| 258 | } |
| 259 | |
| 260 | |
| 261 | static int |
| 262 | RunMainFromImporter(PyObject *sys_path0) |
| 263 | { |
| 264 | PyObject *sys_path; |
| 265 | int sts; |
| 266 | |
| 267 | /* Assume sys_path0 has already been checked by AsImportPathEntry, |
| 268 | * so put it in sys.path[0] and import __main__ */ |
Victor Stinner | bd303c1 | 2013-11-07 23:07:29 +0100 | [diff] [blame] | 269 | sys_path = PySys_GetObject("path"); |
Victor Stinner | 1e53bba | 2013-07-16 22:26:05 +0200 | [diff] [blame] | 270 | if (sys_path == NULL) { |
| 271 | PyErr_SetString(PyExc_RuntimeError, "unable to get sys.path"); |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 272 | goto error; |
Victor Stinner | 1e53bba | 2013-07-16 22:26:05 +0200 | [diff] [blame] | 273 | } |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 274 | sts = PyList_Insert(sys_path, 0, sys_path0); |
Steve Dower | 6d46ae7 | 2017-02-04 15:39:21 -0800 | [diff] [blame] | 275 | if (sts) { |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 276 | sys_path0 = NULL; |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 277 | goto error; |
| 278 | } |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 279 | |
| 280 | sts = RunModule(L"__main__", 0); |
| 281 | return sts != 0; |
| 282 | |
| 283 | error: |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 284 | Py_XDECREF(sys_path0); |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 285 | PyErr_Print(); |
| 286 | return 1; |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 287 | } |
| 288 | |
Victor Stinner | a62207c | 2010-08-07 10:57:17 +0000 | [diff] [blame] | 289 | static int |
| 290 | run_command(wchar_t *command, PyCompilerFlags *cf) |
| 291 | { |
| 292 | PyObject *unicode, *bytes; |
| 293 | int ret; |
| 294 | |
| 295 | unicode = PyUnicode_FromWideChar(command, -1); |
| 296 | if (unicode == NULL) |
| 297 | goto error; |
| 298 | bytes = PyUnicode_AsUTF8String(unicode); |
| 299 | Py_DECREF(unicode); |
| 300 | if (bytes == NULL) |
| 301 | goto error; |
| 302 | ret = PyRun_SimpleStringFlags(PyBytes_AsString(bytes), cf); |
| 303 | Py_DECREF(bytes); |
| 304 | return ret != 0; |
| 305 | |
| 306 | error: |
Victor Stinner | 398356b | 2010-08-18 22:23:22 +0000 | [diff] [blame] | 307 | PySys_WriteStderr("Unable to decode the command from the command line:\n"); |
Victor Stinner | a62207c | 2010-08-07 10:57:17 +0000 | [diff] [blame] | 308 | PyErr_Print(); |
| 309 | return 1; |
| 310 | } |
| 311 | |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 312 | static int |
| 313 | run_file(FILE *fp, const wchar_t *filename, PyCompilerFlags *p_cf) |
| 314 | { |
| 315 | PyObject *unicode, *bytes = NULL; |
| 316 | char *filename_str; |
| 317 | int run; |
| 318 | |
| 319 | /* call pending calls like signal handlers (SIGINT) */ |
| 320 | if (Py_MakePendingCalls() == -1) { |
| 321 | PyErr_Print(); |
| 322 | return 1; |
| 323 | } |
| 324 | |
| 325 | if (filename) { |
| 326 | unicode = PyUnicode_FromWideChar(filename, wcslen(filename)); |
| 327 | if (unicode != NULL) { |
Victor Stinner | e0f3268 | 2010-10-17 19:34:51 +0000 | [diff] [blame] | 328 | bytes = PyUnicode_EncodeFSDefault(unicode); |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 329 | Py_DECREF(unicode); |
| 330 | } |
| 331 | if (bytes != NULL) |
| 332 | filename_str = PyBytes_AsString(bytes); |
| 333 | else { |
| 334 | PyErr_Clear(); |
Victor Stinner | e0f3268 | 2010-10-17 19:34:51 +0000 | [diff] [blame] | 335 | filename_str = "<encoding error>"; |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 336 | } |
| 337 | } |
| 338 | else |
| 339 | filename_str = "<stdin>"; |
| 340 | |
| 341 | run = PyRun_AnyFileExFlags(fp, filename_str, filename != NULL, p_cf); |
| 342 | Py_XDECREF(bytes); |
| 343 | return run != 0; |
| 344 | } |
| 345 | |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 346 | |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 347 | /* Main program */ |
| 348 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 349 | /*TODO: Add arg processing to PEP 432 as a new configuration setup API |
| 350 | */ |
| 351 | typedef struct { |
| 352 | wchar_t *filename; /* Trailing arg without -c or -m */ |
| 353 | wchar_t *command; /* -c argument */ |
| 354 | wchar_t *module; /* -m argument */ |
| 355 | PyObject *warning_options; /* -W options */ |
| 356 | PyObject *extra_options; /* -X options */ |
| 357 | int print_help; /* -h, -? options */ |
| 358 | int print_version; /* -V option */ |
| 359 | int bytes_warning; /* Py_BytesWarningFlag */ |
| 360 | int debug; /* Py_DebugFlag */ |
| 361 | int inspect; /* Py_InspectFlag */ |
| 362 | int interactive; /* Py_InteractiveFlag */ |
| 363 | int isolated; /* Py_IsolatedFlag */ |
| 364 | int optimization_level; /* Py_OptimizeFlag */ |
| 365 | int dont_write_bytecode; /* Py_DontWriteBytecodeFlag */ |
| 366 | int no_user_site_directory; /* Py_NoUserSiteDirectory */ |
| 367 | int no_site_import; /* Py_NoSiteFlag */ |
| 368 | int use_unbuffered_io; /* Py_UnbufferedStdioFlag */ |
| 369 | int verbosity; /* Py_VerboseFlag */ |
| 370 | int quiet_flag; /* Py_QuietFlag */ |
| 371 | int skip_first_line; /* -x option */ |
| 372 | } _Py_CommandLineDetails; |
| 373 | |
| 374 | #define _Py_CommandLineDetails_INIT \ |
| 375 | {NULL, NULL, NULL, NULL, NULL, \ |
| 376 | 0, 0, 0, 0, 0, 0, 0, 0, \ |
| 377 | 0, 0, 0, 0, 0, 0, 0} |
| 378 | |
| 379 | static int |
| 380 | read_command_line(int argc, wchar_t **argv, _Py_CommandLineDetails *cmdline) |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 381 | { |
Antoine Pitrou | 6999441 | 2014-04-29 00:56:08 +0200 | [diff] [blame] | 382 | PyObject *warning_option = NULL; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 383 | wchar_t *command = NULL; |
| 384 | wchar_t *module = NULL; |
Eric Snow | e0918ec | 2017-05-23 12:26:17 -0700 | [diff] [blame] | 385 | int c; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 386 | |
Antoine Pitrou | 86838b0 | 2012-02-21 19:03:47 +0100 | [diff] [blame] | 387 | _PyOS_ResetGetOpt(); |
Guido van Rossum | 47f5fdc | 2000-12-15 22:00:54 +0000 | [diff] [blame] | 388 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 389 | while ((c = _PyOS_GetOpt(argc, argv, PROGRAM_OPTS)) != EOF) { |
| 390 | if (c == 'c') { |
| 391 | size_t len; |
| 392 | /* -c is the last option; following arguments |
| 393 | that look like options are left for the |
| 394 | command to interpret. */ |
Amaury Forgeot d'Arc | 9a5499b | 2008-11-11 23:04:59 +0000 | [diff] [blame] | 395 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 396 | len = wcslen(_PyOS_optarg) + 1 + 1; |
Victor Stinner | 1a7425f | 2013-07-07 16:25:15 +0200 | [diff] [blame] | 397 | command = (wchar_t *)PyMem_RawMalloc(sizeof(wchar_t) * len); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 398 | if (command == NULL) |
| 399 | Py_FatalError( |
| 400 | "not enough memory to copy -c argument"); |
| 401 | wcscpy(command, _PyOS_optarg); |
| 402 | command[len - 2] = '\n'; |
| 403 | command[len - 1] = 0; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 404 | cmdline->command = command; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 405 | break; |
| 406 | } |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 407 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 408 | if (c == 'm') { |
| 409 | /* -m is the last option; following arguments |
| 410 | that look like options are left for the |
| 411 | module to interpret. */ |
| 412 | module = _PyOS_optarg; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 413 | cmdline->module = module; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 414 | break; |
| 415 | } |
Raymond Hettinger | db29e0f | 2004-10-07 06:46:25 +0000 | [diff] [blame] | 416 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 417 | switch (c) { |
| 418 | case 'b': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 419 | cmdline->bytes_warning++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 420 | break; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 421 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 422 | case 'd': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 423 | cmdline->debug++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 424 | break; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 425 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 426 | case 'i': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 427 | cmdline->inspect++; |
| 428 | cmdline->interactive++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 429 | break; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 430 | |
Christian Heimes | ad73a9c | 2013-08-10 16:36:18 +0200 | [diff] [blame] | 431 | case 'I': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 432 | cmdline->isolated++; |
| 433 | cmdline->no_user_site_directory++; |
Christian Heimes | ad73a9c | 2013-08-10 16:36:18 +0200 | [diff] [blame] | 434 | break; |
| 435 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 436 | /* case 'J': reserved for Jython */ |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 437 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 438 | case 'O': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 439 | cmdline->optimization_level++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 440 | break; |
Guido van Rossum | 7614da6 | 1997-03-03 19:14:45 +0000 | [diff] [blame] | 441 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 442 | case 'B': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 443 | cmdline->dont_write_bytecode++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 444 | break; |
Christian Heimes | 790c823 | 2008-01-07 21:14:23 +0000 | [diff] [blame] | 445 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 446 | case 's': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 447 | cmdline->no_user_site_directory++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 448 | break; |
Christian Heimes | 8dc226f | 2008-05-06 23:45:46 +0000 | [diff] [blame] | 449 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 450 | case 'S': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 451 | cmdline->no_site_import++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 452 | break; |
Guido van Rossum | 7922bd7 | 1997-08-29 22:34:47 +0000 | [diff] [blame] | 453 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 454 | case 'E': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 455 | /* Handled prior to core initialization */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 456 | break; |
Neil Schemenauer | 7d4bb9f | 2001-07-23 16:30:27 +0000 | [diff] [blame] | 457 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 458 | case 't': |
| 459 | /* ignored for backwards compatibility */ |
| 460 | break; |
Guido van Rossum | bba92ca | 1998-04-10 19:39:15 +0000 | [diff] [blame] | 461 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 462 | case 'u': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 463 | cmdline->use_unbuffered_io = 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 464 | break; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 465 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 466 | case 'v': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 467 | cmdline->verbosity++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 468 | break; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 469 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 470 | case 'x': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 471 | cmdline->skip_first_line = 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 472 | break; |
Guido van Rossum | a075ce1 | 1997-12-05 21:56:45 +0000 | [diff] [blame] | 473 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 474 | case 'h': |
| 475 | case '?': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 476 | cmdline->print_help++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 477 | break; |
Guido van Rossum | 45aecf4 | 2006-03-15 04:58:47 +0000 | [diff] [blame] | 478 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 479 | case 'V': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 480 | cmdline->print_version++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 481 | break; |
Guido van Rossum | c15a9a1 | 2000-05-01 17:54:33 +0000 | [diff] [blame] | 482 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 483 | case 'W': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 484 | if (cmdline->warning_options == NULL) |
| 485 | cmdline->warning_options = PyList_New(0); |
| 486 | if (cmdline->warning_options == NULL) |
Antoine Pitrou | 6999441 | 2014-04-29 00:56:08 +0200 | [diff] [blame] | 487 | Py_FatalError("failure in handling of -W argument"); |
| 488 | warning_option = PyUnicode_FromWideChar(_PyOS_optarg, -1); |
| 489 | if (warning_option == NULL) |
| 490 | Py_FatalError("failure in handling of -W argument"); |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 491 | if (PyList_Append(cmdline->warning_options, warning_option) == -1) |
Christian Heimes | 2752707 | 2016-09-09 00:08:35 +0200 | [diff] [blame] | 492 | Py_FatalError("failure in handling of -W argument"); |
Antoine Pitrou | 6999441 | 2014-04-29 00:56:08 +0200 | [diff] [blame] | 493 | Py_DECREF(warning_option); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 494 | break; |
Guido van Rossum | 47f5fdc | 2000-12-15 22:00:54 +0000 | [diff] [blame] | 495 | |
Antoine Pitrou | 9583cac | 2010-10-21 13:42:28 +0000 | [diff] [blame] | 496 | case 'X': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 497 | /* TODO: Delay addition of X options to sys module */ |
Antoine Pitrou | 9583cac | 2010-10-21 13:42:28 +0000 | [diff] [blame] | 498 | PySys_AddXOption(_PyOS_optarg); |
| 499 | break; |
| 500 | |
Georg Brandl | 9d87119 | 2010-12-04 10:47:18 +0000 | [diff] [blame] | 501 | case 'q': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 502 | cmdline->quiet_flag++; |
Georg Brandl | 9d87119 | 2010-12-04 10:47:18 +0000 | [diff] [blame] | 503 | break; |
| 504 | |
Georg Brandl | 2daf6ae | 2012-02-20 19:54:16 +0100 | [diff] [blame] | 505 | case 'R': |
Benjamin Peterson | c9f54cf | 2012-02-21 16:08:05 -0500 | [diff] [blame] | 506 | /* Ignored */ |
Georg Brandl | 2daf6ae | 2012-02-20 19:54:16 +0100 | [diff] [blame] | 507 | break; |
| 508 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 509 | /* This space reserved for other options */ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 510 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 511 | default: |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 512 | return -1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 513 | /*NOTREACHED*/ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 514 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 515 | } |
| 516 | } |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 517 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 518 | if (command == NULL && module == NULL && _PyOS_optind < argc && |
| 519 | wcscmp(argv[_PyOS_optind], L"-") != 0) |
| 520 | { |
| 521 | cmdline->filename = argv[_PyOS_optind]; |
| 522 | } |
| 523 | return 0; |
| 524 | } |
Barry Warsaw | 3b2aedb | 2000-09-15 18:40:42 +0000 | [diff] [blame] | 525 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 526 | static int |
| 527 | apply_command_line_and_environment(_Py_CommandLineDetails *cmdline) |
| 528 | { |
| 529 | char *p; |
| 530 | Py_BytesWarningFlag = cmdline->bytes_warning; |
| 531 | Py_DebugFlag = cmdline->debug; |
| 532 | Py_InspectFlag = cmdline->inspect; |
| 533 | Py_InteractiveFlag = cmdline->interactive; |
| 534 | Py_IsolatedFlag = cmdline->isolated; |
| 535 | Py_OptimizeFlag = cmdline->optimization_level; |
| 536 | Py_DontWriteBytecodeFlag = cmdline->dont_write_bytecode; |
| 537 | Py_NoUserSiteDirectory = cmdline->no_user_site_directory; |
| 538 | Py_NoSiteFlag = cmdline->no_site_import; |
| 539 | Py_UnbufferedStdioFlag = cmdline->use_unbuffered_io; |
| 540 | Py_VerboseFlag = cmdline->verbosity; |
| 541 | Py_QuietFlag = cmdline->quiet_flag; |
| 542 | |
| 543 | if (!Py_InspectFlag && |
| 544 | (p = Py_GETENV("PYTHONINSPECT")) && *p != '\0') { |
| 545 | Py_InspectFlag = 1; |
| 546 | cmdline->inspect = 1; |
| 547 | } |
| 548 | if (!cmdline->use_unbuffered_io && |
| 549 | (p = Py_GETENV("PYTHONUNBUFFERED")) && *p != '\0') { |
| 550 | Py_UnbufferedStdioFlag = 1; |
| 551 | cmdline->use_unbuffered_io = 1; |
| 552 | } |
| 553 | |
| 554 | if (!Py_NoUserSiteDirectory && |
| 555 | (p = Py_GETENV("PYTHONNOUSERSITE")) && *p != '\0') { |
| 556 | Py_NoUserSiteDirectory = 1; |
| 557 | cmdline->no_user_site_directory = 1; |
| 558 | } |
| 559 | |
| 560 | /* TODO: Apply PYTHONWARNINGS & -W options to sys module here */ |
| 561 | /* TODO: Apply -X options to sys module here */ |
| 562 | return 0; |
| 563 | } |
| 564 | |
| 565 | int |
| 566 | Py_Main(int argc, wchar_t **argv) |
| 567 | { |
| 568 | int c; |
| 569 | int sts; |
| 570 | FILE *fp = stdin; |
| 571 | char *p; |
| 572 | #ifdef MS_WINDOWS |
| 573 | wchar_t *wp; |
| 574 | #endif |
| 575 | int stdin_is_interactive = 0; |
| 576 | _Py_CommandLineDetails cmdline = _Py_CommandLineDetails_INIT; |
Eric Snow | 1abcf67 | 2017-05-23 21:46:51 -0700 | [diff] [blame] | 577 | _PyCoreConfig core_config = _PyCoreConfig_INIT; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 578 | PyCompilerFlags cf; |
| 579 | PyObject *main_importer_path = NULL; |
| 580 | |
| 581 | cf.cf_flags = 0; |
| 582 | |
| 583 | orig_argc = argc; /* For Py_GetArgcArgv() */ |
| 584 | orig_argv = argv; |
| 585 | |
| 586 | /* Hash randomization needed early for all string operations |
| 587 | (including -W and -X options). */ |
| 588 | _PyOS_opterr = 0; /* prevent printing the error in 1st pass */ |
| 589 | while ((c = _PyOS_GetOpt(argc, argv, PROGRAM_OPTS)) != EOF) { |
| 590 | if (c == 'm' || c == 'c') { |
| 591 | /* -c / -m is the last option: following arguments are |
| 592 | not interpreter options. */ |
| 593 | break; |
| 594 | } |
| 595 | if (c == 'E' || c == 'I') { |
Eric Snow | 1abcf67 | 2017-05-23 21:46:51 -0700 | [diff] [blame] | 596 | core_config.ignore_environment++; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 597 | break; |
| 598 | } |
| 599 | } |
| 600 | |
Eric Snow | 1abcf67 | 2017-05-23 21:46:51 -0700 | [diff] [blame] | 601 | /* Initialize the core language runtime */ |
| 602 | Py_IgnoreEnvironmentFlag = core_config.ignore_environment; |
| 603 | core_config._disable_importlib = 0; |
Eric Snow | 2ebc5ce | 2017-09-07 23:51:28 -0600 | [diff] [blame] | 604 | core_config.allocator = Py_GETENV("PYTHONMALLOC"); |
Eric Snow | 1abcf67 | 2017-05-23 21:46:51 -0700 | [diff] [blame] | 605 | _Py_InitializeCore(&core_config); |
| 606 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 607 | /* Reprocess the command line with the language runtime available */ |
| 608 | if (read_command_line(argc, argv, &cmdline)) { |
| 609 | return usage(2, argv[0]); |
| 610 | } |
| 611 | |
| 612 | if (cmdline.print_help) { |
| 613 | return usage(0, argv[0]); |
| 614 | } |
| 615 | |
| 616 | if (cmdline.print_version) { |
| 617 | printf("Python %s\n", cmdline.print_version >= 2 ? Py_GetVersion() : PY_VERSION); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 618 | return 0; |
| 619 | } |
Barry Warsaw | 3b2aedb | 2000-09-15 18:40:42 +0000 | [diff] [blame] | 620 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 621 | PySys_ResetWarnOptions(); |
| 622 | apply_command_line_and_environment(&cmdline); |
Christian Heimes | 8dc226f | 2008-05-06 23:45:46 +0000 | [diff] [blame] | 623 | |
Philip Jenvey | e53de3d | 2010-04-14 03:01:39 +0000 | [diff] [blame] | 624 | #ifdef MS_WINDOWS |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 625 | if (!Py_IgnoreEnvironmentFlag && (wp = _wgetenv(L"PYTHONWARNINGS")) && |
| 626 | *wp != L'\0') { |
Steve Dower | f63dab5 | 2015-02-25 20:48:01 -0800 | [diff] [blame] | 627 | wchar_t *buf, *warning, *context = NULL; |
Philip Jenvey | 0805ca3 | 2010-04-07 04:04:10 +0000 | [diff] [blame] | 628 | |
Victor Stinner | 1a7425f | 2013-07-07 16:25:15 +0200 | [diff] [blame] | 629 | buf = (wchar_t *)PyMem_RawMalloc((wcslen(wp) + 1) * sizeof(wchar_t)); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 630 | if (buf == NULL) |
| 631 | Py_FatalError( |
| 632 | "not enough memory to copy PYTHONWARNINGS"); |
| 633 | wcscpy(buf, wp); |
Steve Dower | f63dab5 | 2015-02-25 20:48:01 -0800 | [diff] [blame] | 634 | for (warning = wcstok_s(buf, L",", &context); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 635 | warning != NULL; |
Steve Dower | f63dab5 | 2015-02-25 20:48:01 -0800 | [diff] [blame] | 636 | warning = wcstok_s(NULL, L",", &context)) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 637 | PySys_AddWarnOption(warning); |
| 638 | } |
Victor Stinner | 1a7425f | 2013-07-07 16:25:15 +0200 | [diff] [blame] | 639 | PyMem_RawFree(buf); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 640 | } |
Philip Jenvey | e53de3d | 2010-04-14 03:01:39 +0000 | [diff] [blame] | 641 | #else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 642 | if ((p = Py_GETENV("PYTHONWARNINGS")) && *p != '\0') { |
| 643 | char *buf, *oldloc; |
Victor Stinner | c2d76fd | 2010-09-10 23:13:52 +0000 | [diff] [blame] | 644 | PyObject *unicode; |
Philip Jenvey | e53de3d | 2010-04-14 03:01:39 +0000 | [diff] [blame] | 645 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 646 | /* settle for strtok here as there's no one standard |
| 647 | C89 wcstok */ |
Victor Stinner | 1a7425f | 2013-07-07 16:25:15 +0200 | [diff] [blame] | 648 | buf = (char *)PyMem_RawMalloc(strlen(p) + 1); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 649 | if (buf == NULL) |
| 650 | Py_FatalError( |
| 651 | "not enough memory to copy PYTHONWARNINGS"); |
| 652 | strcpy(buf, p); |
Victor Stinner | 49fc8ec | 2013-07-07 23:30:24 +0200 | [diff] [blame] | 653 | oldloc = _PyMem_RawStrdup(setlocale(LC_ALL, NULL)); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 654 | setlocale(LC_ALL, ""); |
| 655 | for (p = strtok(buf, ","); p != NULL; p = strtok(NULL, ",")) { |
Victor Stinner | 5c848a8 | 2010-09-12 08:00:41 +0000 | [diff] [blame] | 656 | #ifdef __APPLE__ |
| 657 | /* Use utf-8 on Mac OS X */ |
| 658 | unicode = PyUnicode_FromString(p); |
| 659 | #else |
Victor Stinner | 1b57967 | 2011-12-17 05:47:23 +0100 | [diff] [blame] | 660 | unicode = PyUnicode_DecodeLocale(p, "surrogateescape"); |
Victor Stinner | 5c848a8 | 2010-09-12 08:00:41 +0000 | [diff] [blame] | 661 | #endif |
Victor Stinner | af02e1c | 2011-12-16 23:56:01 +0100 | [diff] [blame] | 662 | if (unicode == NULL) { |
| 663 | /* ignore errors */ |
| 664 | PyErr_Clear(); |
Victor Stinner | c2d76fd | 2010-09-10 23:13:52 +0000 | [diff] [blame] | 665 | continue; |
Victor Stinner | af02e1c | 2011-12-16 23:56:01 +0100 | [diff] [blame] | 666 | } |
Victor Stinner | c2d76fd | 2010-09-10 23:13:52 +0000 | [diff] [blame] | 667 | PySys_AddWarnOptionUnicode(unicode); |
| 668 | Py_DECREF(unicode); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 669 | } |
| 670 | setlocale(LC_ALL, oldloc); |
Victor Stinner | 49fc8ec | 2013-07-07 23:30:24 +0200 | [diff] [blame] | 671 | PyMem_RawFree(oldloc); |
Victor Stinner | 1a7425f | 2013-07-07 16:25:15 +0200 | [diff] [blame] | 672 | PyMem_RawFree(buf); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 673 | } |
Philip Jenvey | e53de3d | 2010-04-14 03:01:39 +0000 | [diff] [blame] | 674 | #endif |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 675 | if (cmdline.warning_options != NULL) { |
Antoine Pitrou | 6999441 | 2014-04-29 00:56:08 +0200 | [diff] [blame] | 676 | Py_ssize_t i; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 677 | for (i = 0; i < PyList_GET_SIZE(cmdline.warning_options); i++) { |
| 678 | PySys_AddWarnOptionUnicode(PyList_GET_ITEM(cmdline.warning_options, i)); |
Antoine Pitrou | 6999441 | 2014-04-29 00:56:08 +0200 | [diff] [blame] | 679 | } |
Eric Snow | 1abcf67 | 2017-05-23 21:46:51 -0700 | [diff] [blame] | 680 | Py_DECREF(cmdline.warning_options); |
Antoine Pitrou | 6999441 | 2014-04-29 00:56:08 +0200 | [diff] [blame] | 681 | } |
Philip Jenvey | 0805ca3 | 2010-04-07 04:04:10 +0000 | [diff] [blame] | 682 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 683 | stdin_is_interactive = Py_FdIsInteractive(stdin, (char *)0); |
Guido van Rossum | 775af91 | 1997-02-14 19:50:32 +0000 | [diff] [blame] | 684 | |
Sjoerd Mullender | 9cf424b | 2002-08-09 13:35:18 +0000 | [diff] [blame] | 685 | #if defined(MS_WINDOWS) || defined(__CYGWIN__) |
Victor Stinner | 89e3436 | 2011-01-07 18:47:22 +0000 | [diff] [blame] | 686 | /* don't translate newlines (\r\n <=> \n) */ |
| 687 | _setmode(fileno(stdin), O_BINARY); |
| 688 | _setmode(fileno(stdout), O_BINARY); |
| 689 | _setmode(fileno(stderr), O_BINARY); |
Guido van Rossum | f22d7e2 | 1997-01-11 19:28:55 +0000 | [diff] [blame] | 690 | #endif |
Victor Stinner | 89e3436 | 2011-01-07 18:47:22 +0000 | [diff] [blame] | 691 | |
| 692 | if (Py_UnbufferedStdioFlag) { |
Guido van Rossum | 22ffac1 | 1998-03-06 15:30:39 +0000 | [diff] [blame] | 693 | #ifdef HAVE_SETVBUF |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 694 | setvbuf(stdin, (char *)NULL, _IONBF, BUFSIZ); |
| 695 | setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ); |
| 696 | setvbuf(stderr, (char *)NULL, _IONBF, BUFSIZ); |
Guido van Rossum | 22ffac1 | 1998-03-06 15:30:39 +0000 | [diff] [blame] | 697 | #else /* !HAVE_SETVBUF */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 698 | setbuf(stdin, (char *)NULL); |
| 699 | setbuf(stdout, (char *)NULL); |
| 700 | setbuf(stderr, (char *)NULL); |
Guido van Rossum | 22ffac1 | 1998-03-06 15:30:39 +0000 | [diff] [blame] | 701 | #endif /* !HAVE_SETVBUF */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 702 | } |
| 703 | else if (Py_InteractiveFlag) { |
Guido van Rossum | b31c7dc | 1997-04-11 22:19:12 +0000 | [diff] [blame] | 704 | #ifdef MS_WINDOWS |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 705 | /* Doesn't have to have line-buffered -- use unbuffered */ |
| 706 | /* Any set[v]buf(stdin, ...) screws up Tkinter :-( */ |
| 707 | setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ); |
Guido van Rossum | 22ffac1 | 1998-03-06 15:30:39 +0000 | [diff] [blame] | 708 | #else /* !MS_WINDOWS */ |
| 709 | #ifdef HAVE_SETVBUF |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 710 | setvbuf(stdin, (char *)NULL, _IOLBF, BUFSIZ); |
| 711 | setvbuf(stdout, (char *)NULL, _IOLBF, BUFSIZ); |
Guido van Rossum | 22ffac1 | 1998-03-06 15:30:39 +0000 | [diff] [blame] | 712 | #endif /* HAVE_SETVBUF */ |
| 713 | #endif /* !MS_WINDOWS */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 714 | /* Leave stderr alone - it should be unbuffered anyway. */ |
| 715 | } |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 716 | |
Just van Rossum | 2ac79ef | 2003-03-05 15:46:54 +0000 | [diff] [blame] | 717 | #ifdef __APPLE__ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 718 | /* On MacOS X, when the Python interpreter is embedded in an |
| 719 | application bundle, it gets executed by a bootstrapping script |
| 720 | that does os.execve() with an argv[0] that's different from the |
| 721 | actual Python executable. This is needed to keep the Finder happy, |
| 722 | or rather, to work around Apple's overly strict requirements of |
| 723 | the process name. However, we still need a usable sys.executable, |
| 724 | so the actual executable path is passed in an environment variable. |
| 725 | See Lib/plat-mac/bundlebuiler.py for details about the bootstrap |
| 726 | script. */ |
| 727 | if ((p = Py_GETENV("PYTHONEXECUTABLE")) && *p != '\0') { |
| 728 | wchar_t* buffer; |
Ronald Oussoren | eb61f8b | 2012-08-22 14:24:14 +0200 | [diff] [blame] | 729 | size_t len = strlen(p) + 1; |
Ronald Oussoren | 3e264e1 | 2009-02-12 15:55:38 +0000 | [diff] [blame] | 730 | |
Victor Stinner | 1a7425f | 2013-07-07 16:25:15 +0200 | [diff] [blame] | 731 | buffer = PyMem_RawMalloc(len * sizeof(wchar_t)); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 732 | if (buffer == NULL) { |
| 733 | Py_FatalError( |
| 734 | "not enough memory to copy PYTHONEXECUTABLE"); |
| 735 | } |
Ronald Oussoren | 3e264e1 | 2009-02-12 15:55:38 +0000 | [diff] [blame] | 736 | |
Brett Cannon | b94767f | 2011-02-22 20:15:44 +0000 | [diff] [blame] | 737 | mbstowcs(buffer, p, len); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 738 | Py_SetProgramName(buffer); |
| 739 | /* buffer is now handed off - do not free */ |
| 740 | } else { |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 741 | #ifdef WITH_NEXT_FRAMEWORK |
| 742 | char* pyvenv_launcher = getenv("__PYVENV_LAUNCHER__"); |
| 743 | |
| 744 | if (pyvenv_launcher && *pyvenv_launcher) { |
| 745 | /* Used by Mac/Tools/pythonw.c to forward |
| 746 | * the argv0 of the stub executable |
| 747 | */ |
Victor Stinner | f6a271a | 2014-08-01 12:28:48 +0200 | [diff] [blame] | 748 | wchar_t* wbuf = Py_DecodeLocale(pyvenv_launcher, NULL); |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 749 | |
| 750 | if (wbuf == NULL) { |
| 751 | Py_FatalError("Cannot decode __PYVENV_LAUNCHER__"); |
| 752 | } |
| 753 | Py_SetProgramName(wbuf); |
| 754 | |
| 755 | /* Don't free wbuf, the argument to Py_SetProgramName |
Martin Panter | b4ce1fc | 2015-11-30 03:18:29 +0000 | [diff] [blame] | 756 | * must remain valid until Py_FinalizeEx is called. |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 757 | */ |
| 758 | } else { |
| 759 | Py_SetProgramName(argv[0]); |
| 760 | } |
| 761 | #else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 762 | Py_SetProgramName(argv[0]); |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 763 | #endif |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 764 | } |
Just van Rossum | 2ac79ef | 2003-03-05 15:46:54 +0000 | [diff] [blame] | 765 | #else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 766 | Py_SetProgramName(argv[0]); |
Jack Jansen | fbd861b | 2003-03-05 16:00:15 +0000 | [diff] [blame] | 767 | #endif |
Eric Snow | c7ec998 | 2017-05-23 23:00:52 -0700 | [diff] [blame] | 768 | /* Replaces previous call to Py_Initialize() |
| 769 | * |
| 770 | * TODO: Move environment queries (etc) into Py_ReadConfig |
| 771 | */ |
| 772 | { |
| 773 | _PyMainInterpreterConfig config = _PyMainInterpreterConfig_INIT; |
| 774 | |
| 775 | /* TODO: Moar config options! */ |
| 776 | config.install_signal_handlers = 1; |
| 777 | /* TODO: Print any exceptions raised by these operations */ |
| 778 | if (_Py_ReadMainInterpreterConfig(&config)) |
| 779 | Py_FatalError("Py_Main: Py_ReadMainInterpreterConfig failed"); |
| 780 | if (_Py_InitializeMainInterpreter(&config)) |
| 781 | Py_FatalError("Py_Main: Py_InitializeMainInterpreter failed"); |
| 782 | } |
Guido van Rossum | ed52aac | 1997-07-19 19:20:32 +0000 | [diff] [blame] | 783 | |
Eric Snow | 1abcf67 | 2017-05-23 21:46:51 -0700 | [diff] [blame] | 784 | /* TODO: Move this to _PyRun_PrepareMain */ |
Georg Brandl | 8aa7e99 | 2010-12-28 18:30:18 +0000 | [diff] [blame] | 785 | if (!Py_QuietFlag && (Py_VerboseFlag || |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 786 | (cmdline.command == NULL && cmdline.filename == NULL && |
| 787 | cmdline.module == NULL && stdin_is_interactive))) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 788 | fprintf(stderr, "Python %s on %s\n", |
| 789 | Py_GetVersion(), Py_GetPlatform()); |
| 790 | if (!Py_NoSiteFlag) |
| 791 | fprintf(stderr, "%s\n", COPYRIGHT); |
| 792 | } |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 793 | |
Eric Snow | 1abcf67 | 2017-05-23 21:46:51 -0700 | [diff] [blame] | 794 | /* TODO: Move this to _Py_InitializeMainInterpreter */ |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 795 | if (cmdline.command != NULL) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 796 | /* Backup _PyOS_optind and force sys.argv[0] = '-c' */ |
| 797 | _PyOS_optind--; |
| 798 | argv[_PyOS_optind] = L"-c"; |
| 799 | } |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 800 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 801 | if (cmdline.module != NULL) { |
Nick Coghlan | d26c18a | 2010-08-17 13:06:11 +0000 | [diff] [blame] | 802 | /* Backup _PyOS_optind and force sys.argv[0] = '-m'*/ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 803 | _PyOS_optind--; |
Nick Coghlan | d26c18a | 2010-08-17 13:06:11 +0000 | [diff] [blame] | 804 | argv[_PyOS_optind] = L"-m"; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 805 | } |
Raymond Hettinger | db29e0f | 2004-10-07 06:46:25 +0000 | [diff] [blame] | 806 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 807 | if (cmdline.filename != NULL) { |
| 808 | main_importer_path = AsImportPathEntry(cmdline.filename); |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 809 | } |
| 810 | |
| 811 | if (main_importer_path != NULL) { |
| 812 | /* Let RunMainFromImporter adjust sys.path[0] later */ |
| 813 | PySys_SetArgvEx(argc-_PyOS_optind, argv+_PyOS_optind, 0); |
| 814 | } else { |
| 815 | /* Use config settings to decide whether or not to update sys.path[0] */ |
| 816 | PySys_SetArgv(argc-_PyOS_optind, argv+_PyOS_optind); |
| 817 | } |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 818 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 819 | if ((Py_InspectFlag || (cmdline.command == NULL && |
| 820 | cmdline.filename == NULL && |
| 821 | cmdline.module == NULL)) && |
| 822 | isatty(fileno(stdin)) && |
| 823 | !Py_IsolatedFlag) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 824 | PyObject *v; |
| 825 | v = PyImport_ImportModule("readline"); |
| 826 | if (v == NULL) |
| 827 | PyErr_Clear(); |
| 828 | else |
| 829 | Py_DECREF(v); |
| 830 | } |
Guido van Rossum | 3d26cc9 | 1997-09-16 16:11:28 +0000 | [diff] [blame] | 831 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 832 | if (cmdline.command) { |
| 833 | sts = run_command(cmdline.command, &cf); |
| 834 | PyMem_RawFree(cmdline.command); |
| 835 | } else if (cmdline.module) { |
| 836 | sts = (RunModule(cmdline.module, 1) != 0); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 837 | } |
| 838 | else { |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 839 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 840 | if (cmdline.filename == NULL && stdin_is_interactive) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 841 | Py_InspectFlag = 0; /* do exit on SystemExit */ |
| 842 | RunStartupFile(&cf); |
Antoine Pitrou | 1a6cb30 | 2013-05-04 20:08:35 +0200 | [diff] [blame] | 843 | RunInteractiveHook(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 844 | } |
| 845 | /* XXX */ |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 846 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 847 | sts = -1; /* keep track of whether we've already run __main__ */ |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 848 | |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 849 | if (main_importer_path != NULL) { |
| 850 | sts = RunMainFromImporter(main_importer_path); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 851 | } |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 852 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 853 | if (sts==-1 && cmdline.filename != NULL) { |
| 854 | fp = _Py_wfopen(cmdline.filename, L"r"); |
Victor Stinner | 9a6692f | 2010-10-14 10:51:24 +0000 | [diff] [blame] | 855 | if (fp == NULL) { |
| 856 | char *cfilename_buffer; |
| 857 | const char *cfilename; |
Antoine Pitrou | c345ce1 | 2011-12-16 12:28:32 +0100 | [diff] [blame] | 858 | int err = errno; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 859 | cfilename_buffer = Py_EncodeLocale(cmdline.filename, NULL); |
Victor Stinner | 9a6692f | 2010-10-14 10:51:24 +0000 | [diff] [blame] | 860 | if (cfilename_buffer != NULL) |
| 861 | cfilename = cfilename_buffer; |
| 862 | else |
| 863 | cfilename = "<unprintable file name>"; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 864 | fprintf(stderr, "%ls: can't open file '%s': [Errno %d] %s\n", |
Antoine Pitrou | c345ce1 | 2011-12-16 12:28:32 +0100 | [diff] [blame] | 865 | argv[0], cfilename, err, strerror(err)); |
Victor Stinner | 9a6692f | 2010-10-14 10:51:24 +0000 | [diff] [blame] | 866 | if (cfilename_buffer) |
| 867 | PyMem_Free(cfilename_buffer); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 868 | return 2; |
| 869 | } |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 870 | else if (cmdline.skip_first_line) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 871 | int ch; |
| 872 | /* Push back first newline so line numbers |
| 873 | remain the same */ |
| 874 | while ((ch = getc(fp)) != EOF) { |
| 875 | if (ch == '\n') { |
| 876 | (void)ungetc(ch, fp); |
| 877 | break; |
| 878 | } |
| 879 | } |
| 880 | } |
| 881 | { |
Steve Dower | f2f373f | 2015-02-21 08:44:05 -0800 | [diff] [blame] | 882 | struct _Py_stat_struct sb; |
Victor Stinner | e134a7f | 2015-03-30 10:09:31 +0200 | [diff] [blame] | 883 | if (_Py_fstat_noraise(fileno(fp), &sb) == 0 && |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 884 | S_ISDIR(sb.st_mode)) { |
Victor Stinner | e134a7f | 2015-03-30 10:09:31 +0200 | [diff] [blame] | 885 | fprintf(stderr, |
| 886 | "%ls: '%ls' is a directory, cannot continue\n", |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 887 | argv[0], cmdline.filename); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 888 | fclose(fp); |
| 889 | return 1; |
| 890 | } |
| 891 | } |
| 892 | } |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 893 | |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 894 | if (sts == -1) |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 895 | sts = run_file(fp, cmdline.filename, &cf); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 896 | } |
Barry Warsaw | d86dcd3 | 2003-06-29 17:07:06 +0000 | [diff] [blame] | 897 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 898 | /* Check this environment variable at the end, to give programs the |
| 899 | * opportunity to set it from Python. |
| 900 | */ |
| 901 | if (!Py_InspectFlag && |
| 902 | (p = Py_GETENV("PYTHONINSPECT")) && *p != '\0') |
| 903 | { |
| 904 | Py_InspectFlag = 1; |
| 905 | } |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 906 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 907 | if (Py_InspectFlag && stdin_is_interactive && |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 908 | (cmdline.filename != NULL || cmdline.command != NULL || cmdline.module != NULL)) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 909 | Py_InspectFlag = 0; |
Antoine Pitrou | 1a6cb30 | 2013-05-04 20:08:35 +0200 | [diff] [blame] | 910 | RunInteractiveHook(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 911 | /* XXX */ |
| 912 | sts = PyRun_AnyFileFlags(stdin, "<stdin>", &cf) != 0; |
| 913 | } |
| 914 | |
Martin Panter | b4ce1fc | 2015-11-30 03:18:29 +0000 | [diff] [blame] | 915 | if (Py_FinalizeEx() < 0) { |
| 916 | /* Value unlikely to be confused with a non-error exit status or |
| 917 | other special meaning */ |
| 918 | sts = 120; |
| 919 | } |
Barry Warsaw | 3e13b1e | 2001-02-23 16:46:39 +0000 | [diff] [blame] | 920 | |
| 921 | #ifdef __INSURE__ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 922 | /* Insure++ is a memory analysis tool that aids in discovering |
| 923 | * memory leaks and other memory problems. On Python exit, the |
| 924 | * interned string dictionaries are flagged as being in use at exit |
| 925 | * (which it is). Under normal circumstances, this is fine because |
| 926 | * the memory will be automatically reclaimed by the system. Under |
| 927 | * memory debugging, it's a huge source of useless noise, so we |
| 928 | * trade off slower shutdown for less distraction in the memory |
| 929 | * reports. -baw |
| 930 | */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 931 | _Py_ReleaseInternedUnicodeStrings(); |
Barry Warsaw | 3e13b1e | 2001-02-23 16:46:39 +0000 | [diff] [blame] | 932 | #endif /* __INSURE__ */ |
| 933 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 934 | return sts; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 935 | } |
| 936 | |
Skip Montanaro | 786ea6b | 2004-03-01 15:44:05 +0000 | [diff] [blame] | 937 | /* this is gonna seem *real weird*, but if you put some other code between |
| 938 | Py_Main() and Py_GetArgcArgv() you will need to adjust the test in the |
| 939 | while statement in Misc/gdbinit:ppystack */ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 940 | |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 941 | /* Make the *original* argc/argv available to other modules. |
| 942 | This is rare, but it is needed by the secureware extension. */ |
| 943 | |
| 944 | void |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 945 | Py_GetArgcArgv(int *argc, wchar_t ***argv) |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 946 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 947 | *argc = orig_argc; |
| 948 | *argv = orig_argv; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 949 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 950 | |
| 951 | #ifdef __cplusplus |
| 952 | } |
| 953 | #endif |