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" |
Benjamin Peterson | 42aa93b | 2017-12-09 10:26:52 -0800 | [diff] [blame] | 5 | #include "internal/import.h" |
Benjamin Peterson | e425bd7 | 2017-12-14 23:48:12 -0800 | [diff] [blame] | 6 | #include "internal/pygetopt.h" |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 7 | #include "internal/pystate.h" |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 8 | |
Antoine Pitrou | 5651eaa | 2008-09-06 20:46:58 +0000 | [diff] [blame] | 9 | #include <locale.h> |
| 10 | |
Sjoerd Mullender | 9cf424b | 2002-08-09 13:35:18 +0000 | [diff] [blame] | 11 | #if defined(MS_WINDOWS) || defined(__CYGWIN__) |
Martin v. Löwis | 945362c | 2007-08-30 14:57:25 +0000 | [diff] [blame] | 12 | #include <windows.h> |
Steve Dower | bfce0f9 | 2016-12-28 15:41:09 -0800 | [diff] [blame] | 13 | #ifdef HAVE_IO_H |
| 14 | #include <io.h> |
| 15 | #endif |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 16 | #ifdef HAVE_FCNTL_H |
Guido van Rossum | 3e7ae7a | 1997-01-17 22:05:38 +0000 | [diff] [blame] | 17 | #include <fcntl.h> |
| 18 | #endif |
Thomas Wouters | 477c8d5 | 2006-05-27 19:21:47 +0000 | [diff] [blame] | 19 | #endif |
Guido van Rossum | 3e7ae7a | 1997-01-17 22:05:38 +0000 | [diff] [blame] | 20 | |
Martin v. Löwis | 945362c | 2007-08-30 14:57:25 +0000 | [diff] [blame] | 21 | #ifdef _MSC_VER |
| 22 | #include <crtdbg.h> |
| 23 | #endif |
| 24 | |
Jesus Cea | ab70e2a | 2012-10-05 01:48:08 +0200 | [diff] [blame] | 25 | #if defined(MS_WINDOWS) |
gauravbackback | 08d2b86 | 2017-11-28 20:46:30 +0530 | [diff] [blame] | 26 | #define PYTHONHOMEHELP "<prefix>\\python{major}{minor}" |
Guido van Rossum | a075ce1 | 1997-12-05 21:56:45 +0000 | [diff] [blame] | 27 | #else |
gauravbackback | 08d2b86 | 2017-11-28 20:46:30 +0530 | [diff] [blame] | 28 | #define PYTHONHOMEHELP "<prefix>/lib/pythonX.X" |
Guido van Rossum | a075ce1 | 1997-12-05 21:56:45 +0000 | [diff] [blame] | 29 | #endif |
| 30 | |
Guido van Rossum | a22865e | 2000-09-05 04:41:18 +0000 | [diff] [blame] | 31 | #define COPYRIGHT \ |
Guido van Rossum | 36002d7 | 2001-07-18 16:59:46 +0000 | [diff] [blame] | 32 | "Type \"help\", \"copyright\", \"credits\" or \"license\" " \ |
| 33 | "for more information." |
Guido van Rossum | a22865e | 2000-09-05 04:41:18 +0000 | [diff] [blame] | 34 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 35 | #ifdef __cplusplus |
| 36 | extern "C" { |
| 37 | #endif |
| 38 | |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 39 | #define DECODE_LOCALE_ERR(NAME, LEN) \ |
| 40 | (((LEN) == -2) \ |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 41 | ? _Py_INIT_USER_ERR("cannot decode " #NAME) \ |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 42 | : _Py_INIT_NO_MEMORY()) |
| 43 | |
| 44 | |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 45 | #define SET_DECODE_ERROR(NAME, LEN) \ |
| 46 | do { \ |
| 47 | if ((LEN) == (size_t)-2) { \ |
Victor Stinner | 9316ee4 | 2017-11-25 03:17:57 +0100 | [diff] [blame] | 48 | pymain->err = _Py_INIT_USER_ERR("cannot decode " #NAME); \ |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 49 | } \ |
| 50 | else { \ |
| 51 | pymain->err = _Py_INIT_NO_MEMORY(); \ |
| 52 | } \ |
| 53 | } while (0) |
| 54 | |
Guido van Rossum | ac56b03 | 1996-07-21 02:33:38 +0000 | [diff] [blame] | 55 | /* For Py_GetArgcArgv(); set by main() */ |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 56 | static wchar_t **orig_argv; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 57 | static int orig_argc; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 58 | |
Guido van Rossum | bceccf5 | 2001-04-10 22:07:43 +0000 | [diff] [blame] | 59 | /* command line options */ |
Christian Heimes | ad73a9c | 2013-08-10 16:36:18 +0200 | [diff] [blame] | 60 | #define BASE_OPTS L"bBc:dEhiIJm:OqRsStuvVW:xX:?" |
Guido van Rossum | bceccf5 | 2001-04-10 22:07:43 +0000 | [diff] [blame] | 61 | |
Guido van Rossum | bceccf5 | 2001-04-10 22:07:43 +0000 | [diff] [blame] | 62 | #define PROGRAM_OPTS BASE_OPTS |
Guido van Rossum | 3ed4c15 | 2001-03-02 06:18:03 +0000 | [diff] [blame] | 63 | |
Benjamin Peterson | 42aa93b | 2017-12-09 10:26:52 -0800 | [diff] [blame] | 64 | static const _PyOS_LongOption longoptions[] = { |
| 65 | {L"check-hash-based-pycs", 1, 0}, |
| 66 | {NULL, 0, 0}, |
| 67 | }; |
| 68 | |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 69 | /* Short usage message (with %s for argv0) */ |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 70 | static const char usage_line[] = |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 71 | "usage: %ls [option] ... [-c cmd | -m mod | file | -] [arg] ...\n"; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 72 | |
| 73 | /* Long usage message, split into parts < 512 bytes */ |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 74 | static const char usage_1[] = "\ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 75 | Options and arguments (and corresponding environment variables):\n\ |
Christian Heimes | 2ab3444 | 2008-09-03 20:31:07 +0000 | [diff] [blame] | 76 | -b : issue warnings about str(bytes_instance), str(bytearray_instance)\n\ |
| 77 | and comparing bytes/bytearray with str. (-bb: issue errors)\n\ |
Xiang Zhang | 0710d75 | 2017-03-11 13:02:52 +0800 | [diff] [blame] | 78 | -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] | 79 | -c cmd : program passed in as string (terminates option list)\n\ |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 80 | -d : debug output from parser; also PYTHONDEBUG=x\n\ |
Christian Heimes | 790c823 | 2008-01-07 21:14:23 +0000 | [diff] [blame] | 81 | -E : ignore PYTHON* environment variables (such as PYTHONPATH)\n\ |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 82 | -h : print this help message and exit (also --help)\n\ |
Guido van Rossum | 61c345f | 2001-09-04 03:26:15 +0000 | [diff] [blame] | 83 | "; |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 84 | static const char usage_2[] = "\ |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 85 | -i : inspect interactively after running script; forces a prompt even\n\ |
| 86 | 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] | 87 | -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] | 88 | -m mod : run library module as a script (terminates option list)\n\ |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 89 | -O : optimize generated bytecode slightly; also PYTHONOPTIMIZE=x\n\ |
Guido van Rossum | 6b86a42 | 1999-01-28 15:07:47 +0000 | [diff] [blame] | 90 | -OO : remove doc-strings in addition to the -O optimizations\n\ |
Georg Brandl | 9d87119 | 2010-12-04 10:47:18 +0000 | [diff] [blame] | 91 | -q : don't print version and copyright messages on interactive startup\n\ |
Christian Heimes | 8dc226f | 2008-05-06 23:45:46 +0000 | [diff] [blame] | 92 | -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] | 93 | -S : don't imply 'import site' on initialization\n\ |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 94 | "; |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 95 | static const char usage_3[] = "\ |
Berker Peksag | 7f58097 | 2017-10-13 15:16:31 +0300 | [diff] [blame] | 96 | -u : force the stdout and stderr streams to be unbuffered;\n\ |
| 97 | this option has no effect on stdin; also PYTHONUNBUFFERED=x\n\ |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 98 | -v : verbose (trace import statements); also PYTHONVERBOSE=x\n\ |
| 99 | can be supplied multiple times to increase verbosity\n\ |
Thomas Wouters | 0e3f591 | 2006-08-11 14:57:12 +0000 | [diff] [blame] | 100 | -V : print the Python version number and exit (also --version)\n\ |
INADA Naoki | 0e175a6 | 2016-11-21 20:57:14 +0900 | [diff] [blame] | 101 | when given twice, print more information about the build\n\ |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 102 | -W arg : warning control; arg is action:message:category:module:lineno\n\ |
Philip Jenvey | 0805ca3 | 2010-04-07 04:04:10 +0000 | [diff] [blame] | 103 | also PYTHONWARNINGS=arg\n\ |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 104 | -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] | 105 | -X opt : set implementation-specific option\n\ |
Benjamin Peterson | 42aa93b | 2017-12-09 10:26:52 -0800 | [diff] [blame] | 106 | --check-hash-based-pycs always|default|never:\n\ |
| 107 | control how Python invalidates hash-based .pyc files\n\ |
Guido van Rossum | 7922bd7 | 1997-08-29 22:34:47 +0000 | [diff] [blame] | 108 | "; |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 109 | static const char usage_4[] = "\ |
Guido van Rossum | 98297ee | 2007-11-06 21:34:58 +0000 | [diff] [blame] | 110 | file : program read from script file\n\ |
| 111 | - : program read from stdin (default; interactive mode if a tty)\n\ |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 112 | arg ...: arguments passed to program in sys.argv[1:]\n\n\ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 113 | Other environment variables:\n\ |
| 114 | PYTHONSTARTUP: file executed on interactive startup (no default)\n\ |
Serhiy Storchaka | 1ba0161 | 2015-12-30 09:28:19 +0200 | [diff] [blame] | 115 | PYTHONPATH : '%lc'-separated list of directories prefixed to the\n\ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 116 | default module search path. The result is sys.path.\n\ |
Christian Heimes | 790c823 | 2008-01-07 21:14:23 +0000 | [diff] [blame] | 117 | "; |
Serhiy Storchaka | 2d06e84 | 2015-12-25 19:53:18 +0200 | [diff] [blame] | 118 | static const char usage_5[] = |
Serhiy Storchaka | 1ba0161 | 2015-12-30 09:28:19 +0200 | [diff] [blame] | 119 | "PYTHONHOME : alternate <prefix> directory (or <prefix>%lc<exec_prefix>).\n" |
Victor Stinner | 9802b39 | 2010-08-19 11:36:43 +0000 | [diff] [blame] | 120 | " The default module search path uses %s.\n" |
| 121 | "PYTHONCASEOK : ignore case in 'import' statements (Windows).\n" |
| 122 | "PYTHONIOENCODING: Encoding[:errors] used for stdin/stdout/stderr.\n" |
Victor Stinner | 34be807c | 2016-03-14 12:04:26 +0100 | [diff] [blame] | 123 | "PYTHONFAULTHANDLER: dump the Python traceback on fatal errors.\n"; |
| 124 | static const char usage_6[] = |
| 125 | "PYTHONHASHSEED: if this variable is set to 'random', a random value is used\n" |
| 126 | " to seed the hashes of str, bytes and datetime objects. It can also be\n" |
| 127 | " set to an integer in the range [0,4294967295] to get hash values with a\n" |
| 128 | " predictable seed.\n" |
| 129 | "PYTHONMALLOC: set the Python memory allocators and/or install debug hooks\n" |
| 130 | " on Python memory allocators. Use PYTHONMALLOC=debug to install debug\n" |
Nick Coghlan | eb81795 | 2017-06-18 12:29:42 +1000 | [diff] [blame] | 131 | " hooks.\n" |
Stéphane Wirtel | 7d1017d | 2017-06-12 13:30:33 +0200 | [diff] [blame] | 132 | "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] | 133 | " coercion behavior. Use PYTHONCOERCECLOCALE=warn to request display of\n" |
Victor Stinner | 5e3806f | 2017-11-30 11:40:24 +0100 | [diff] [blame] | 134 | " locale coercion and locale compatibility warnings on stderr.\n" |
| 135 | "PYTHONDEVMODE: enable the development mode.\n"; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 136 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 137 | static void |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 138 | pymain_usage(int error, const wchar_t* program) |
Barry Warsaw | 3b2aedb | 2000-09-15 18:40:42 +0000 | [diff] [blame] | 139 | { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 140 | FILE *f = error ? stderr : stdout; |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 141 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 142 | fprintf(f, usage_line, program); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 143 | if (error) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 144 | fprintf(f, "Try `python -h' for more information.\n"); |
| 145 | else { |
| 146 | fputs(usage_1, f); |
| 147 | fputs(usage_2, f); |
| 148 | fputs(usage_3, f); |
Serhiy Storchaka | 1ba0161 | 2015-12-30 09:28:19 +0200 | [diff] [blame] | 149 | fprintf(f, usage_4, (wint_t)DELIM); |
| 150 | fprintf(f, usage_5, (wint_t)DELIM, PYTHONHOMEHELP); |
Georg Brandl | 2daf6ae | 2012-02-20 19:54:16 +0100 | [diff] [blame] | 151 | fputs(usage_6, f); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 152 | } |
Barry Warsaw | 3b2aedb | 2000-09-15 18:40:42 +0000 | [diff] [blame] | 153 | } |
| 154 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 155 | |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 156 | static const char* |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 157 | pymain_get_env_var(const char *name) |
| 158 | { |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 159 | const char *var = Py_GETENV(name); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 160 | if (var && var[0] != '\0') { |
| 161 | return var; |
| 162 | } |
| 163 | else { |
| 164 | return NULL; |
| 165 | } |
| 166 | } |
| 167 | |
| 168 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 169 | static void |
Victor Stinner | 33c377e | 2017-12-05 15:12:41 +0100 | [diff] [blame] | 170 | pymain_run_startup(PyCompilerFlags *cf) |
Martin v. Löwis | 6caea37 | 2003-11-18 19:46:25 +0000 | [diff] [blame] | 171 | { |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 172 | const char *startup = pymain_get_env_var("PYTHONSTARTUP"); |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 173 | if (startup == NULL) { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 174 | return; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 175 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 176 | |
| 177 | FILE *fp = _Py_fopen(startup, "r"); |
| 178 | if (fp == NULL) { |
| 179 | int save_errno = errno; |
| 180 | PySys_WriteStderr("Could not open PYTHONSTARTUP\n"); |
| 181 | errno = save_errno; |
| 182 | |
| 183 | PyErr_SetFromErrnoWithFilename(PyExc_OSError, |
| 184 | startup); |
| 185 | PyErr_Print(); |
| 186 | PyErr_Clear(); |
| 187 | return; |
| 188 | } |
| 189 | |
| 190 | (void) PyRun_SimpleFileExFlags(fp, startup, 0, cf); |
| 191 | PyErr_Clear(); |
| 192 | fclose(fp); |
Martin v. Löwis | 6caea37 | 2003-11-18 19:46:25 +0000 | [diff] [blame] | 193 | } |
| 194 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 195 | static void |
| 196 | pymain_run_interactive_hook(void) |
Antoine Pitrou | 1a6cb30 | 2013-05-04 20:08:35 +0200 | [diff] [blame] | 197 | { |
| 198 | PyObject *sys, *hook, *result; |
| 199 | sys = PyImport_ImportModule("sys"); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 200 | if (sys == NULL) { |
Antoine Pitrou | 1a6cb30 | 2013-05-04 20:08:35 +0200 | [diff] [blame] | 201 | goto error; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 202 | } |
| 203 | |
Antoine Pitrou | 1a6cb30 | 2013-05-04 20:08:35 +0200 | [diff] [blame] | 204 | hook = PyObject_GetAttrString(sys, "__interactivehook__"); |
| 205 | Py_DECREF(sys); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 206 | if (hook == NULL) { |
Antoine Pitrou | 1a6cb30 | 2013-05-04 20:08:35 +0200 | [diff] [blame] | 207 | PyErr_Clear(); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 208 | return; |
Antoine Pitrou | 1a6cb30 | 2013-05-04 20:08:35 +0200 | [diff] [blame] | 209 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 210 | |
| 211 | result = _PyObject_CallNoArg(hook); |
| 212 | Py_DECREF(hook); |
| 213 | if (result == NULL) { |
| 214 | goto error; |
| 215 | } |
| 216 | Py_DECREF(result); |
| 217 | |
Antoine Pitrou | 1a6cb30 | 2013-05-04 20:08:35 +0200 | [diff] [blame] | 218 | return; |
| 219 | |
| 220 | error: |
| 221 | PySys_WriteStderr("Failed calling sys.__interactivehook__\n"); |
| 222 | PyErr_Print(); |
| 223 | PyErr_Clear(); |
| 224 | } |
| 225 | |
Thomas Wouters | a977329 | 2006-04-21 09:43:23 +0000 | [diff] [blame] | 226 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 227 | static int |
| 228 | pymain_run_module(wchar_t *modname, int set_argv0) |
Raymond Hettinger | db29e0f | 2004-10-07 06:46:25 +0000 | [diff] [blame] | 229 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 230 | PyObject *module, *runpy, *runmodule, *runargs, *result; |
| 231 | runpy = PyImport_ImportModule("runpy"); |
| 232 | if (runpy == NULL) { |
| 233 | fprintf(stderr, "Could not import runpy module\n"); |
Victor Stinner | 7d36e4f | 2013-04-10 00:27:23 +0200 | [diff] [blame] | 234 | PyErr_Print(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 235 | return -1; |
| 236 | } |
| 237 | runmodule = PyObject_GetAttrString(runpy, "_run_module_as_main"); |
| 238 | if (runmodule == NULL) { |
| 239 | fprintf(stderr, "Could not access runpy._run_module_as_main\n"); |
Victor Stinner | 7d36e4f | 2013-04-10 00:27:23 +0200 | [diff] [blame] | 240 | PyErr_Print(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 241 | Py_DECREF(runpy); |
| 242 | return -1; |
| 243 | } |
| 244 | module = PyUnicode_FromWideChar(modname, wcslen(modname)); |
| 245 | if (module == NULL) { |
| 246 | fprintf(stderr, "Could not convert module name to unicode\n"); |
Victor Stinner | 7d36e4f | 2013-04-10 00:27:23 +0200 | [diff] [blame] | 247 | PyErr_Print(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 248 | Py_DECREF(runpy); |
| 249 | Py_DECREF(runmodule); |
| 250 | return -1; |
| 251 | } |
| 252 | runargs = Py_BuildValue("(Oi)", module, set_argv0); |
| 253 | if (runargs == NULL) { |
| 254 | fprintf(stderr, |
| 255 | "Could not create arguments for runpy._run_module_as_main\n"); |
Victor Stinner | 7d36e4f | 2013-04-10 00:27:23 +0200 | [diff] [blame] | 256 | PyErr_Print(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 257 | Py_DECREF(runpy); |
| 258 | Py_DECREF(runmodule); |
| 259 | Py_DECREF(module); |
| 260 | return -1; |
| 261 | } |
| 262 | result = PyObject_Call(runmodule, runargs, NULL); |
| 263 | if (result == NULL) { |
| 264 | PyErr_Print(); |
| 265 | } |
| 266 | Py_DECREF(runpy); |
| 267 | Py_DECREF(runmodule); |
| 268 | Py_DECREF(module); |
| 269 | Py_DECREF(runargs); |
| 270 | if (result == NULL) { |
| 271 | return -1; |
| 272 | } |
| 273 | Py_DECREF(result); |
| 274 | return 0; |
Raymond Hettinger | db29e0f | 2004-10-07 06:46:25 +0000 | [diff] [blame] | 275 | } |
Barry Warsaw | 3b2aedb | 2000-09-15 18:40:42 +0000 | [diff] [blame] | 276 | |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 277 | static PyObject * |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 278 | pymain_get_importer(wchar_t *filename) |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 279 | { |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 280 | PyObject *sys_path0 = NULL, *importer; |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 281 | |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 282 | sys_path0 = PyUnicode_FromWideChar(filename, wcslen(filename)); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 283 | if (sys_path0 == NULL) { |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 284 | goto error; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 285 | } |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 286 | |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 287 | importer = PyImport_GetImporter(sys_path0); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 288 | if (importer == NULL) { |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 289 | goto error; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 290 | } |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 291 | |
Brett Cannon | aa93642 | 2012-04-27 15:30:58 -0400 | [diff] [blame] | 292 | if (importer == Py_None) { |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 293 | Py_DECREF(sys_path0); |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 294 | Py_DECREF(importer); |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 295 | return NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 296 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 297 | |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 298 | Py_DECREF(importer); |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 299 | return sys_path0; |
Victor Stinner | 4726e40 | 2010-10-06 23:24:57 +0000 | [diff] [blame] | 300 | |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 301 | error: |
| 302 | Py_XDECREF(sys_path0); |
| 303 | PySys_WriteStderr("Failed checking if argv[0] is an import path entry\n"); |
| 304 | PyErr_Print(); |
| 305 | PyErr_Clear(); |
| 306 | return NULL; |
| 307 | } |
| 308 | |
| 309 | |
| 310 | static int |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 311 | pymain_run_command(wchar_t *command, PyCompilerFlags *cf) |
Victor Stinner | a62207c | 2010-08-07 10:57:17 +0000 | [diff] [blame] | 312 | { |
| 313 | PyObject *unicode, *bytes; |
| 314 | int ret; |
| 315 | |
| 316 | unicode = PyUnicode_FromWideChar(command, -1); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 317 | if (unicode == NULL) { |
Victor Stinner | a62207c | 2010-08-07 10:57:17 +0000 | [diff] [blame] | 318 | goto error; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 319 | } |
| 320 | |
Victor Stinner | a62207c | 2010-08-07 10:57:17 +0000 | [diff] [blame] | 321 | bytes = PyUnicode_AsUTF8String(unicode); |
| 322 | Py_DECREF(unicode); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 323 | if (bytes == NULL) { |
Victor Stinner | a62207c | 2010-08-07 10:57:17 +0000 | [diff] [blame] | 324 | goto error; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 325 | } |
| 326 | |
Victor Stinner | a62207c | 2010-08-07 10:57:17 +0000 | [diff] [blame] | 327 | ret = PyRun_SimpleStringFlags(PyBytes_AsString(bytes), cf); |
| 328 | Py_DECREF(bytes); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 329 | return (ret != 0); |
Victor Stinner | a62207c | 2010-08-07 10:57:17 +0000 | [diff] [blame] | 330 | |
| 331 | error: |
Victor Stinner | 398356b | 2010-08-18 22:23:22 +0000 | [diff] [blame] | 332 | PySys_WriteStderr("Unable to decode the command from the command line:\n"); |
Victor Stinner | a62207c | 2010-08-07 10:57:17 +0000 | [diff] [blame] | 333 | PyErr_Print(); |
| 334 | return 1; |
| 335 | } |
| 336 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 337 | |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 338 | static int |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 339 | pymain_run_file(FILE *fp, const wchar_t *filename, PyCompilerFlags *p_cf) |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 340 | { |
| 341 | PyObject *unicode, *bytes = NULL; |
Serhiy Storchaka | e2f92de | 2017-11-11 13:06:26 +0200 | [diff] [blame] | 342 | const char *filename_str; |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 343 | int run; |
| 344 | |
| 345 | /* call pending calls like signal handlers (SIGINT) */ |
| 346 | if (Py_MakePendingCalls() == -1) { |
| 347 | PyErr_Print(); |
| 348 | return 1; |
| 349 | } |
| 350 | |
| 351 | if (filename) { |
| 352 | unicode = PyUnicode_FromWideChar(filename, wcslen(filename)); |
| 353 | if (unicode != NULL) { |
Victor Stinner | e0f3268 | 2010-10-17 19:34:51 +0000 | [diff] [blame] | 354 | bytes = PyUnicode_EncodeFSDefault(unicode); |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 355 | Py_DECREF(unicode); |
| 356 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 357 | if (bytes != NULL) { |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 358 | filename_str = PyBytes_AsString(bytes); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 359 | } |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 360 | else { |
| 361 | PyErr_Clear(); |
Victor Stinner | e0f3268 | 2010-10-17 19:34:51 +0000 | [diff] [blame] | 362 | filename_str = "<encoding error>"; |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 363 | } |
| 364 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 365 | else { |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 366 | filename_str = "<stdin>"; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 367 | } |
Victor Stinner | 0a3ddad | 2010-08-07 16:34:25 +0000 | [diff] [blame] | 368 | |
| 369 | run = PyRun_AnyFileExFlags(fp, filename_str, filename != NULL, p_cf); |
| 370 | Py_XDECREF(bytes); |
| 371 | return run != 0; |
| 372 | } |
| 373 | |
Christian Heimes | 9cd1775 | 2007-11-18 19:35:23 +0000 | [diff] [blame] | 374 | |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 375 | /* Main program */ |
| 376 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 377 | typedef struct { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 378 | size_t len; |
| 379 | wchar_t **options; |
| 380 | } _Py_OptList; |
| 381 | |
| 382 | typedef struct { |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 383 | wchar_t *filename; /* Trailing arg without -c or -m */ |
| 384 | wchar_t *command; /* -c argument */ |
| 385 | wchar_t *module; /* -m argument */ |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 386 | _Py_OptList warning_options; /* -W options */ |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 387 | int print_help; /* -h, -? options */ |
| 388 | int print_version; /* -V option */ |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 389 | int bytes_warning; /* Py_BytesWarningFlag, -b */ |
| 390 | int debug; /* Py_DebugFlag, -b, PYTHONDEBUG */ |
| 391 | int inspect; /* Py_InspectFlag, -i, PYTHONINSPECT */ |
| 392 | int interactive; /* Py_InteractiveFlag, -i */ |
| 393 | int isolated; /* Py_IsolatedFlag, -I */ |
| 394 | int optimization_level; /* Py_OptimizeFlag, -O, PYTHONOPTIMIZE */ |
| 395 | int dont_write_bytecode; /* Py_DontWriteBytecodeFlag, -B, PYTHONDONTWRITEBYTECODE */ |
| 396 | int no_user_site_directory; /* Py_NoUserSiteDirectory, -I, -s, PYTHONNOUSERSITE */ |
| 397 | int no_site_import; /* Py_NoSiteFlag, -S */ |
| 398 | int use_unbuffered_io; /* Py_UnbufferedStdioFlag, -u, PYTHONUNBUFFERED */ |
| 399 | int verbosity; /* Py_VerboseFlag, -v, PYTHONVERBOSE */ |
| 400 | int quiet_flag; /* Py_QuietFlag, -q */ |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 401 | int skip_first_line; /* -x option */ |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 402 | _Py_OptList xoptions; /* -X options */ |
Benjamin Peterson | 42aa93b | 2017-12-09 10:26:52 -0800 | [diff] [blame] | 403 | const char *check_hash_pycs_mode; /* --check-hash-based-pycs */ |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 404 | #ifdef MS_WINDOWS |
| 405 | int legacy_windows_fs_encoding; /* Py_LegacyWindowsFSEncodingFlag, |
| 406 | PYTHONLEGACYWINDOWSFSENCODING */ |
| 407 | int legacy_windows_stdio; /* Py_LegacyWindowsStdioFlag, |
| 408 | PYTHONLEGACYWINDOWSSTDIO */ |
| 409 | #endif |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 410 | } _Py_CommandLineDetails; |
| 411 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 412 | /* Structure used by Py_Main() to pass data to subfunctions */ |
| 413 | typedef struct { |
| 414 | /* Exit status ("exit code") */ |
| 415 | int status; |
| 416 | PyCompilerFlags cf; |
| 417 | /* non-zero is stdin is a TTY or if -i option is used */ |
| 418 | int stdin_is_interactive; |
| 419 | _PyCoreConfig core_config; |
Victor Stinner | e32e79f | 2017-11-23 01:49:45 +0100 | [diff] [blame] | 420 | _PyMainInterpreterConfig config; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 421 | _Py_CommandLineDetails cmdline; |
| 422 | PyObject *main_importer_path; |
| 423 | /* non-zero if filename, command (-c) or module (-m) is set |
| 424 | on the command line */ |
| 425 | int run_code; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 426 | /* Error message if a function failed */ |
| 427 | _PyInitError err; |
| 428 | /* PYTHONWARNINGS env var */ |
| 429 | _Py_OptList env_warning_options; |
| 430 | int argc; |
| 431 | wchar_t **argv; |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 432 | |
| 433 | int sys_argc; |
| 434 | wchar_t **sys_argv; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 435 | } _PyMain; |
| 436 | |
| 437 | /* .cmdline is initialized to zeros */ |
| 438 | #define _PyMain_INIT \ |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 439 | {.core_config = _PyCoreConfig_INIT, \ |
Victor Stinner | e32e79f | 2017-11-23 01:49:45 +0100 | [diff] [blame] | 440 | .config = _PyMainInterpreterConfig_INIT, \ |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 441 | .run_code = -1, \ |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 442 | .err = _Py_INIT_OK()} |
| 443 | /* Note: _PyMain_INIT sets other fields to 0/NULL */ |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 444 | |
| 445 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 446 | static void |
| 447 | pymain_optlist_clear(_Py_OptList *list) |
| 448 | { |
| 449 | for (size_t i=0; i < list->len; i++) { |
| 450 | PyMem_RawFree(list->options[i]); |
| 451 | } |
| 452 | PyMem_RawFree(list->options); |
| 453 | list->len = 0; |
| 454 | list->options = NULL; |
| 455 | } |
| 456 | |
Victor Stinner | 92a3c6f | 2017-12-06 18:12:59 +0100 | [diff] [blame] | 457 | |
| 458 | /* Free global variables which cannot be freed in Py_Finalize(): |
| 459 | configuration options set before Py_Initialize() which should |
| 460 | remain valid after Py_Finalize(), since Py_Initialize()/Py_Finalize() can |
| 461 | be called multiple times. |
| 462 | |
| 463 | Called with the current memory allocators. */ |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 464 | static void |
Victor Stinner | 92a3c6f | 2017-12-06 18:12:59 +0100 | [diff] [blame] | 465 | pymain_free_globals(_PyMain *pymain) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 466 | { |
Victor Stinner | 92a3c6f | 2017-12-06 18:12:59 +0100 | [diff] [blame] | 467 | _PyPathConfig_Clear(&_Py_path_config); |
| 468 | _PyImport_Fini2(); |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 469 | _PyCoreConfig_Clear(&pymain->core_config); |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 470 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 471 | #ifdef __INSURE__ |
| 472 | /* Insure++ is a memory analysis tool that aids in discovering |
| 473 | * memory leaks and other memory problems. On Python exit, the |
| 474 | * interned string dictionaries are flagged as being in use at exit |
| 475 | * (which it is). Under normal circumstances, this is fine because |
| 476 | * the memory will be automatically reclaimed by the system. Under |
| 477 | * memory debugging, it's a huge source of useless noise, so we |
| 478 | * trade off slower shutdown for less distraction in the memory |
| 479 | * reports. -baw |
| 480 | */ |
| 481 | _Py_ReleaseInternedUnicodeStrings(); |
| 482 | #endif /* __INSURE__ */ |
| 483 | } |
| 484 | |
Victor Stinner | 92a3c6f | 2017-12-06 18:12:59 +0100 | [diff] [blame] | 485 | |
| 486 | static void |
| 487 | pymain_free_pymain(_PyMain *pymain) |
| 488 | { |
| 489 | _Py_CommandLineDetails *cmdline = &pymain->cmdline; |
| 490 | pymain_optlist_clear(&cmdline->warning_options); |
| 491 | pymain_optlist_clear(&cmdline->xoptions); |
| 492 | PyMem_RawFree(cmdline->command); |
| 493 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 494 | PyMem_RawFree(pymain->sys_argv); |
Victor Stinner | 92a3c6f | 2017-12-06 18:12:59 +0100 | [diff] [blame] | 495 | pymain_optlist_clear(&pymain->env_warning_options); |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 496 | } |
| 497 | |
| 498 | |
| 499 | /* Clear Python ojects */ |
| 500 | static void |
| 501 | pymain_free_python(_PyMain *pymain) |
| 502 | { |
Victor Stinner | 92a3c6f | 2017-12-06 18:12:59 +0100 | [diff] [blame] | 503 | Py_CLEAR(pymain->main_importer_path); |
| 504 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 505 | _PyMainInterpreterConfig_Clear(&pymain->config); |
Victor Stinner | 92a3c6f | 2017-12-06 18:12:59 +0100 | [diff] [blame] | 506 | } |
| 507 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 508 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 509 | static void |
| 510 | pymain_free(_PyMain *pymain) |
| 511 | { |
Victor Stinner | 5d39e04 | 2017-11-29 17:20:38 +0100 | [diff] [blame] | 512 | /* Force the allocator used by pymain_parse_cmdline_envvars() */ |
| 513 | PyMemAllocatorEx old_alloc; |
| 514 | _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 515 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 516 | pymain_free_python(pymain); |
Victor Stinner | 92a3c6f | 2017-12-06 18:12:59 +0100 | [diff] [blame] | 517 | pymain_free_pymain(pymain); |
| 518 | pymain_free_globals(pymain); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 519 | |
| 520 | PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc); |
| 521 | } |
| 522 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 523 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 524 | static int |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 525 | pymain_run_main_from_importer(_PyMain *pymain) |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 526 | { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 527 | /* Assume sys_path0 has already been checked by pymain_get_importer(), |
| 528 | * so put it in sys.path[0] and import __main__ */ |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 529 | PyObject *sys_path = PySys_GetObject("path"); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 530 | if (sys_path == NULL) { |
| 531 | PyErr_SetString(PyExc_RuntimeError, "unable to get sys.path"); |
| 532 | goto error; |
| 533 | } |
| 534 | |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 535 | if (PyList_Insert(sys_path, 0, pymain->main_importer_path)) { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 536 | goto error; |
| 537 | } |
| 538 | |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 539 | int sts = pymain_run_module(L"__main__", 0); |
| 540 | return (sts != 0); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 541 | |
| 542 | error: |
| 543 | Py_CLEAR(pymain->main_importer_path); |
| 544 | PyErr_Print(); |
| 545 | return 1; |
| 546 | } |
| 547 | |
| 548 | |
| 549 | static wchar_t* |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 550 | pymain_wstrdup(_PyMain *pymain, const wchar_t *str) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 551 | { |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 552 | wchar_t *str2 = _PyMem_RawWcsdup(str); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 553 | if (str2 == NULL) { |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 554 | pymain->err = _Py_INIT_NO_MEMORY(); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 555 | return NULL; |
| 556 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 557 | return str2; |
| 558 | } |
| 559 | |
| 560 | |
| 561 | static int |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 562 | pymain_optlist_append(_PyMain *pymain, _Py_OptList *list, const wchar_t *str) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 563 | { |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 564 | wchar_t *str2 = pymain_wstrdup(pymain, str); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 565 | if (str2 == NULL) { |
| 566 | return -1; |
| 567 | } |
| 568 | |
| 569 | size_t size = (list->len + 1) * sizeof(list[0]); |
| 570 | wchar_t **options2 = (wchar_t **)PyMem_RawRealloc(list->options, size); |
| 571 | if (options2 == NULL) { |
| 572 | PyMem_RawFree(str2); |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 573 | pymain->err = _Py_INIT_NO_MEMORY(); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 574 | return -1; |
| 575 | } |
| 576 | options2[list->len] = str2; |
| 577 | list->options = options2; |
| 578 | list->len++; |
| 579 | return 0; |
| 580 | } |
| 581 | |
| 582 | |
| 583 | /* Parse the command line arguments |
| 584 | Return 0 on success. |
| 585 | Return 1 if parsing failed. |
| 586 | Set pymain->err and return -1 on other errors. */ |
| 587 | static int |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 588 | pymain_parse_cmdline_impl(_PyMain *pymain) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 589 | { |
| 590 | _Py_CommandLineDetails *cmdline = &pymain->cmdline; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 591 | |
Antoine Pitrou | 86838b0 | 2012-02-21 19:03:47 +0100 | [diff] [blame] | 592 | _PyOS_ResetGetOpt(); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 593 | do { |
Benjamin Peterson | 42aa93b | 2017-12-09 10:26:52 -0800 | [diff] [blame] | 594 | int longindex = -1; |
| 595 | int c = _PyOS_GetOpt(pymain->argc, pymain->argv, PROGRAM_OPTS, |
| 596 | longoptions, &longindex); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 597 | if (c == EOF) { |
| 598 | break; |
| 599 | } |
Guido van Rossum | 47f5fdc | 2000-12-15 22:00:54 +0000 | [diff] [blame] | 600 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 601 | if (c == 'c') { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 602 | /* -c is the last option; following arguments |
| 603 | that look like options are left for the |
| 604 | command to interpret. */ |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 605 | size_t len = wcslen(_PyOS_optarg) + 1 + 1; |
| 606 | wchar_t *command = PyMem_RawMalloc(sizeof(wchar_t) * len); |
| 607 | if (command == NULL) { |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 608 | pymain->err = _Py_INIT_NO_MEMORY(); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 609 | return -1; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 610 | } |
| 611 | memcpy(command, _PyOS_optarg, len * sizeof(wchar_t)); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 612 | command[len - 2] = '\n'; |
| 613 | command[len - 1] = 0; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 614 | cmdline->command = command; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 615 | break; |
| 616 | } |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 617 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 618 | if (c == 'm') { |
| 619 | /* -m is the last option; following arguments |
| 620 | that look like options are left for the |
| 621 | module to interpret. */ |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 622 | cmdline->module = _PyOS_optarg; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 623 | break; |
| 624 | } |
Raymond Hettinger | db29e0f | 2004-10-07 06:46:25 +0000 | [diff] [blame] | 625 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 626 | switch (c) { |
Benjamin Peterson | 42aa93b | 2017-12-09 10:26:52 -0800 | [diff] [blame] | 627 | case 0: |
| 628 | // Handle long option. |
| 629 | assert(longindex == 0); // Only one long option now. |
| 630 | if (!wcscmp(_PyOS_optarg, L"always")) { |
| 631 | cmdline->check_hash_pycs_mode = "always"; |
| 632 | } else if (!wcscmp(_PyOS_optarg, L"never")) { |
| 633 | cmdline->check_hash_pycs_mode = "never"; |
| 634 | } else if (!wcscmp(_PyOS_optarg, L"default")) { |
| 635 | cmdline->check_hash_pycs_mode = "default"; |
| 636 | } else { |
| 637 | fprintf(stderr, "--check-hash-based-pycs must be one of " |
| 638 | "'default', 'always', or 'never'\n"); |
| 639 | return 1; |
| 640 | } |
| 641 | break; |
| 642 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 643 | case 'b': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 644 | cmdline->bytes_warning++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 645 | break; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 646 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 647 | case 'd': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 648 | cmdline->debug++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 649 | break; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 650 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 651 | case 'i': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 652 | cmdline->inspect++; |
| 653 | cmdline->interactive++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 654 | break; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 655 | |
Christian Heimes | ad73a9c | 2013-08-10 16:36:18 +0200 | [diff] [blame] | 656 | case 'I': |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 657 | pymain->core_config.ignore_environment++; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 658 | cmdline->isolated++; |
| 659 | cmdline->no_user_site_directory++; |
Christian Heimes | ad73a9c | 2013-08-10 16:36:18 +0200 | [diff] [blame] | 660 | break; |
| 661 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 662 | /* case 'J': reserved for Jython */ |
Christian Heimes | 33fe809 | 2008-04-13 13:53:33 +0000 | [diff] [blame] | 663 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 664 | case 'O': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 665 | cmdline->optimization_level++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 666 | break; |
Guido van Rossum | 7614da6 | 1997-03-03 19:14:45 +0000 | [diff] [blame] | 667 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 668 | case 'B': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 669 | cmdline->dont_write_bytecode++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 670 | break; |
Christian Heimes | 790c823 | 2008-01-07 21:14:23 +0000 | [diff] [blame] | 671 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 672 | case 's': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 673 | cmdline->no_user_site_directory++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 674 | break; |
Christian Heimes | 8dc226f | 2008-05-06 23:45:46 +0000 | [diff] [blame] | 675 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 676 | case 'S': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 677 | cmdline->no_site_import++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 678 | break; |
Guido van Rossum | 7922bd7 | 1997-08-29 22:34:47 +0000 | [diff] [blame] | 679 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 680 | case 'E': |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 681 | pymain->core_config.ignore_environment++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 682 | break; |
Neil Schemenauer | 7d4bb9f | 2001-07-23 16:30:27 +0000 | [diff] [blame] | 683 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 684 | case 't': |
| 685 | /* ignored for backwards compatibility */ |
| 686 | break; |
Guido van Rossum | bba92ca | 1998-04-10 19:39:15 +0000 | [diff] [blame] | 687 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 688 | case 'u': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 689 | cmdline->use_unbuffered_io = 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 690 | break; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 691 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 692 | case 'v': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 693 | cmdline->verbosity++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 694 | break; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 695 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 696 | case 'x': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 697 | cmdline->skip_first_line = 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 698 | break; |
Guido van Rossum | a075ce1 | 1997-12-05 21:56:45 +0000 | [diff] [blame] | 699 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 700 | case 'h': |
| 701 | case '?': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 702 | cmdline->print_help++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 703 | break; |
Guido van Rossum | 45aecf4 | 2006-03-15 04:58:47 +0000 | [diff] [blame] | 704 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 705 | case 'V': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 706 | cmdline->print_version++; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 707 | break; |
Guido van Rossum | c15a9a1 | 2000-05-01 17:54:33 +0000 | [diff] [blame] | 708 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 709 | case 'W': |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 710 | if (pymain_optlist_append(pymain, &cmdline->warning_options, |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 711 | _PyOS_optarg) < 0) { |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 712 | return -1; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 713 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 714 | break; |
Guido van Rossum | 47f5fdc | 2000-12-15 22:00:54 +0000 | [diff] [blame] | 715 | |
Antoine Pitrou | 9583cac | 2010-10-21 13:42:28 +0000 | [diff] [blame] | 716 | case 'X': |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 717 | if (pymain_optlist_append(pymain, &cmdline->xoptions, |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 718 | _PyOS_optarg) < 0) { |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 719 | return -1; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 720 | } |
Antoine Pitrou | 9583cac | 2010-10-21 13:42:28 +0000 | [diff] [blame] | 721 | break; |
| 722 | |
Georg Brandl | 9d87119 | 2010-12-04 10:47:18 +0000 | [diff] [blame] | 723 | case 'q': |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 724 | cmdline->quiet_flag++; |
Georg Brandl | 9d87119 | 2010-12-04 10:47:18 +0000 | [diff] [blame] | 725 | break; |
| 726 | |
Georg Brandl | 2daf6ae | 2012-02-20 19:54:16 +0100 | [diff] [blame] | 727 | case 'R': |
Victor Stinner | 358e5e1 | 2017-12-15 00:51:22 +0100 | [diff] [blame] | 728 | pymain->core_config.use_hash_seed = 0; |
Georg Brandl | 2daf6ae | 2012-02-20 19:54:16 +0100 | [diff] [blame] | 729 | break; |
| 730 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 731 | /* This space reserved for other options */ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 732 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 733 | default: |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 734 | /* unknown argument: parsing failed */ |
| 735 | return 1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 736 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 737 | } while (1); |
| 738 | |
| 739 | if (cmdline->command == NULL && cmdline->module == NULL |
| 740 | && _PyOS_optind < pymain->argc |
| 741 | && wcscmp(pymain->argv[_PyOS_optind], L"-") != 0) |
| 742 | { |
| 743 | cmdline->filename = pymain->argv[_PyOS_optind]; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 744 | } |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 745 | |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 746 | /* -c and -m options are exclusive */ |
| 747 | assert(!(cmdline->command != NULL && cmdline->module != NULL)); |
| 748 | |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 749 | return 0; |
| 750 | } |
Barry Warsaw | 3b2aedb | 2000-09-15 18:40:42 +0000 | [diff] [blame] | 751 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 752 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 753 | static int |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 754 | pymain_add_xoption(PyObject *opts, const wchar_t *s) |
| 755 | { |
| 756 | PyObject *name, *value; |
| 757 | |
| 758 | const wchar_t *name_end = wcschr(s, L'='); |
| 759 | if (!name_end) { |
| 760 | name = PyUnicode_FromWideChar(s, -1); |
| 761 | value = Py_True; |
| 762 | Py_INCREF(value); |
| 763 | } |
| 764 | else { |
| 765 | name = PyUnicode_FromWideChar(s, name_end - s); |
| 766 | value = PyUnicode_FromWideChar(name_end + 1, -1); |
| 767 | } |
| 768 | if (name == NULL || value == NULL) { |
| 769 | goto error; |
| 770 | } |
| 771 | if (PyDict_SetItem(opts, name, value) < 0) { |
| 772 | goto error; |
| 773 | } |
| 774 | Py_DECREF(name); |
| 775 | Py_DECREF(value); |
| 776 | return 0; |
| 777 | |
| 778 | error: |
| 779 | Py_XDECREF(name); |
| 780 | Py_XDECREF(value); |
| 781 | return -1; |
| 782 | } |
| 783 | |
| 784 | static int |
| 785 | pymain_init_xoptions_dict(_PyMain *pymain) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 786 | { |
| 787 | _Py_OptList *options = &pymain->cmdline.xoptions; |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 788 | PyObject *dict = PyDict_New(); |
| 789 | if (dict == NULL) { |
| 790 | return -1; |
| 791 | } |
| 792 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 793 | for (size_t i=0; i < options->len; i++) { |
| 794 | wchar_t *option = options->options[i]; |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 795 | if (pymain_add_xoption(dict, option) < 0) { |
| 796 | Py_DECREF(dict); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 797 | return -1; |
| 798 | } |
| 799 | } |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 800 | |
| 801 | pymain->config.xoptions = dict; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 802 | return 0; |
| 803 | } |
| 804 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 805 | |
| 806 | static int |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 807 | pymain_add_warnings_optlist(PyObject *warnoptions, _Py_OptList *warnings) |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 808 | { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 809 | for (size_t i = 0; i < warnings->len; i++) { |
| 810 | PyObject *option = PyUnicode_FromWideChar(warnings->options[i], -1); |
| 811 | if (option == NULL) { |
| 812 | return -1; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 813 | } |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 814 | if (PyList_Append(warnoptions, option)) { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 815 | Py_DECREF(option); |
| 816 | return -1; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 817 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 818 | Py_DECREF(option); |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 819 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 820 | return 0; |
| 821 | } |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 822 | |
Victor Stinner | 747f48e | 2017-12-12 22:59:48 +0100 | [diff] [blame] | 823 | |
| 824 | static int |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 825 | pymain_add_warning_dev_mode(PyObject *warnoptions, _PyCoreConfig *core_config) |
Victor Stinner | 747f48e | 2017-12-12 22:59:48 +0100 | [diff] [blame] | 826 | { |
| 827 | if (core_config->dev_mode) { |
| 828 | PyObject *option = PyUnicode_FromString("default"); |
| 829 | if (option == NULL) { |
| 830 | return -1; |
| 831 | } |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 832 | if (PyList_Append(warnoptions, option)) { |
Victor Stinner | 747f48e | 2017-12-12 22:59:48 +0100 | [diff] [blame] | 833 | Py_DECREF(option); |
| 834 | return -1; |
| 835 | } |
| 836 | Py_DECREF(option); |
| 837 | } |
| 838 | return 0; |
| 839 | } |
| 840 | |
| 841 | |
| 842 | static int |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 843 | pymain_add_warning_bytes_flag(PyObject *warnoptions, int bytes_warning_flag) |
Victor Stinner | 747f48e | 2017-12-12 22:59:48 +0100 | [diff] [blame] | 844 | { |
| 845 | /* If the bytes_warning_flag isn't set, bytesobject.c and bytearrayobject.c |
| 846 | * don't even try to emit a warning, so we skip setting the filter in that |
| 847 | * case. |
| 848 | */ |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 849 | if (!bytes_warning_flag) { |
| 850 | return 0; |
Victor Stinner | 747f48e | 2017-12-12 22:59:48 +0100 | [diff] [blame] | 851 | } |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 852 | |
| 853 | const char *filter = (bytes_warning_flag > 1) ? "error::BytesWarning": |
| 854 | "default::BytesWarning"; |
| 855 | PyObject *option = PyUnicode_FromString(filter); |
| 856 | if (option == NULL) { |
| 857 | return -1; |
| 858 | } |
| 859 | if (PyList_Append(warnoptions, option)) { |
| 860 | Py_DECREF(option); |
| 861 | return -1; |
| 862 | } |
| 863 | Py_DECREF(option); |
Victor Stinner | 747f48e | 2017-12-12 22:59:48 +0100 | [diff] [blame] | 864 | return 0; |
| 865 | } |
| 866 | |
| 867 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 868 | static int |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 869 | pymain_init_warnoptions(_PyMain *pymain) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 870 | { |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 871 | PyObject *warnoptions = PyList_New(0); |
| 872 | if (warnoptions == NULL) { |
| 873 | return -1; |
| 874 | } |
Eric Snow | 1abcf67 | 2017-05-23 21:46:51 -0700 | [diff] [blame] | 875 | |
Victor Stinner | 747f48e | 2017-12-12 22:59:48 +0100 | [diff] [blame] | 876 | /* The priority order for warnings configuration is (highest precedence |
| 877 | * first): |
| 878 | * |
| 879 | * - the BytesWarning filter, if needed ('-b', '-bb') |
| 880 | * - any '-W' command line options; then |
| 881 | * - the 'PYTHONWARNINGS' environment variable; then |
| 882 | * - the dev mode filter ('-X dev', 'PYTHONDEVMODE'); then |
| 883 | * - any implicit filters added by _warnings.c/warnings.py |
| 884 | * |
| 885 | * All settings except the last are passed to the warnings module via |
| 886 | * the `sys.warnoptions` list. Since the warnings module works on the basis |
| 887 | * of "the most recently added filter will be checked first", we add |
| 888 | * the lowest precedence entries first so that later entries override them. |
| 889 | */ |
| 890 | |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 891 | if (pymain_add_warning_dev_mode(warnoptions, &pymain->core_config) < 0) { |
| 892 | goto error; |
Victor Stinner | 747f48e | 2017-12-12 22:59:48 +0100 | [diff] [blame] | 893 | } |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 894 | if (pymain_add_warnings_optlist(warnoptions, &pymain->env_warning_options) < 0) { |
| 895 | goto error; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 896 | } |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 897 | if (pymain_add_warnings_optlist(warnoptions, &pymain->cmdline.warning_options) < 0) { |
| 898 | goto error; |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 899 | } |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 900 | if (pymain_add_warning_bytes_flag(warnoptions, pymain->cmdline.bytes_warning) < 0) { |
| 901 | goto error; |
Victor Stinner | 747f48e | 2017-12-12 22:59:48 +0100 | [diff] [blame] | 902 | } |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 903 | |
| 904 | pymain->config.warnoptions = warnoptions; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 905 | return 0; |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 906 | |
| 907 | error: |
| 908 | Py_DECREF(warnoptions); |
| 909 | return -1; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 910 | } |
Eric Snow | 6b4be19 | 2017-05-22 21:36:03 -0700 | [diff] [blame] | 911 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 912 | |
| 913 | /* Get warning options from PYTHONWARNINGS environment variable. |
| 914 | Return 0 on success. |
| 915 | Set pymain->err and return -1 on error. */ |
| 916 | static int |
| 917 | pymain_warnings_envvar(_PyMain *pymain) |
| 918 | { |
| 919 | if (Py_IgnoreEnvironmentFlag) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 920 | return 0; |
| 921 | } |
Barry Warsaw | 3b2aedb | 2000-09-15 18:40:42 +0000 | [diff] [blame] | 922 | |
Philip Jenvey | e53de3d | 2010-04-14 03:01:39 +0000 | [diff] [blame] | 923 | #ifdef MS_WINDOWS |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 924 | const wchar_t *wp; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 925 | |
| 926 | if ((wp = _wgetenv(L"PYTHONWARNINGS")) && *wp != L'\0') { |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 927 | wchar_t *warning, *context = NULL; |
Philip Jenvey | 0805ca3 | 2010-04-07 04:04:10 +0000 | [diff] [blame] | 928 | |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 929 | wchar_t *buf = pymain_wstrdup(pymain, wp); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 930 | if (buf == NULL) { |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 931 | return -1; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 932 | } |
Steve Dower | f63dab5 | 2015-02-25 20:48:01 -0800 | [diff] [blame] | 933 | for (warning = wcstok_s(buf, L",", &context); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 934 | warning != NULL; |
Steve Dower | f63dab5 | 2015-02-25 20:48:01 -0800 | [diff] [blame] | 935 | warning = wcstok_s(NULL, L",", &context)) { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 936 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 937 | if (pymain_optlist_append(pymain, &pymain->env_warning_options, |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 938 | warning) < 0) { |
| 939 | PyMem_RawFree(buf); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 940 | return -1; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 941 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 942 | } |
Victor Stinner | 1a7425f | 2013-07-07 16:25:15 +0200 | [diff] [blame] | 943 | PyMem_RawFree(buf); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 944 | } |
Philip Jenvey | e53de3d | 2010-04-14 03:01:39 +0000 | [diff] [blame] | 945 | #else |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 946 | const char *p = pymain_get_env_var("PYTHONWARNINGS"); |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 947 | if (p != NULL) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 948 | char *buf, *oldloc; |
Philip Jenvey | e53de3d | 2010-04-14 03:01:39 +0000 | [diff] [blame] | 949 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 950 | /* settle for strtok here as there's no one standard |
| 951 | C89 wcstok */ |
Victor Stinner | 1a7425f | 2013-07-07 16:25:15 +0200 | [diff] [blame] | 952 | buf = (char *)PyMem_RawMalloc(strlen(p) + 1); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 953 | if (buf == NULL) { |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 954 | pymain->err = _Py_INIT_NO_MEMORY(); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 955 | return -1; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 956 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 957 | strcpy(buf, p); |
Victor Stinner | 49fc8ec | 2013-07-07 23:30:24 +0200 | [diff] [blame] | 958 | oldloc = _PyMem_RawStrdup(setlocale(LC_ALL, NULL)); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 959 | setlocale(LC_ALL, ""); |
| 960 | for (p = strtok(buf, ","); p != NULL; p = strtok(NULL, ",")) { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 961 | size_t len; |
| 962 | wchar_t *warning = Py_DecodeLocale(p, &len); |
| 963 | if (warning == NULL) { |
Victor Stinner | 0327bde | 2017-11-23 17:03:20 +0100 | [diff] [blame] | 964 | SET_DECODE_ERROR("PYTHONWARNINGS environment variable", len); |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 965 | return -1; |
Victor Stinner | af02e1c | 2011-12-16 23:56:01 +0100 | [diff] [blame] | 966 | } |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 967 | if (pymain_optlist_append(pymain, &pymain->env_warning_options, |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 968 | warning) < 0) { |
| 969 | PyMem_RawFree(warning); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 970 | return -1; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 971 | } |
| 972 | PyMem_RawFree(warning); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 973 | } |
| 974 | setlocale(LC_ALL, oldloc); |
Victor Stinner | 49fc8ec | 2013-07-07 23:30:24 +0200 | [diff] [blame] | 975 | PyMem_RawFree(oldloc); |
Victor Stinner | 1a7425f | 2013-07-07 16:25:15 +0200 | [diff] [blame] | 976 | PyMem_RawFree(buf); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 977 | } |
Philip Jenvey | e53de3d | 2010-04-14 03:01:39 +0000 | [diff] [blame] | 978 | #endif |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 979 | return 0; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 980 | } |
| 981 | |
| 982 | |
| 983 | static void |
| 984 | pymain_init_stdio(_PyMain *pymain) |
| 985 | { |
| 986 | pymain->stdin_is_interactive = (isatty(fileno(stdin)) |
| 987 | || Py_InteractiveFlag); |
Guido van Rossum | 775af91 | 1997-02-14 19:50:32 +0000 | [diff] [blame] | 988 | |
Sjoerd Mullender | 9cf424b | 2002-08-09 13:35:18 +0000 | [diff] [blame] | 989 | #if defined(MS_WINDOWS) || defined(__CYGWIN__) |
Victor Stinner | 89e3436 | 2011-01-07 18:47:22 +0000 | [diff] [blame] | 990 | /* don't translate newlines (\r\n <=> \n) */ |
| 991 | _setmode(fileno(stdin), O_BINARY); |
| 992 | _setmode(fileno(stdout), O_BINARY); |
| 993 | _setmode(fileno(stderr), O_BINARY); |
Guido van Rossum | f22d7e2 | 1997-01-11 19:28:55 +0000 | [diff] [blame] | 994 | #endif |
Victor Stinner | 89e3436 | 2011-01-07 18:47:22 +0000 | [diff] [blame] | 995 | |
| 996 | if (Py_UnbufferedStdioFlag) { |
Guido van Rossum | 22ffac1 | 1998-03-06 15:30:39 +0000 | [diff] [blame] | 997 | #ifdef HAVE_SETVBUF |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 998 | setvbuf(stdin, (char *)NULL, _IONBF, BUFSIZ); |
| 999 | setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ); |
| 1000 | setvbuf(stderr, (char *)NULL, _IONBF, BUFSIZ); |
Guido van Rossum | 22ffac1 | 1998-03-06 15:30:39 +0000 | [diff] [blame] | 1001 | #else /* !HAVE_SETVBUF */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1002 | setbuf(stdin, (char *)NULL); |
| 1003 | setbuf(stdout, (char *)NULL); |
| 1004 | setbuf(stderr, (char *)NULL); |
Guido van Rossum | 22ffac1 | 1998-03-06 15:30:39 +0000 | [diff] [blame] | 1005 | #endif /* !HAVE_SETVBUF */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1006 | } |
| 1007 | else if (Py_InteractiveFlag) { |
Guido van Rossum | b31c7dc | 1997-04-11 22:19:12 +0000 | [diff] [blame] | 1008 | #ifdef MS_WINDOWS |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1009 | /* Doesn't have to have line-buffered -- use unbuffered */ |
| 1010 | /* Any set[v]buf(stdin, ...) screws up Tkinter :-( */ |
| 1011 | setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ); |
Guido van Rossum | 22ffac1 | 1998-03-06 15:30:39 +0000 | [diff] [blame] | 1012 | #else /* !MS_WINDOWS */ |
| 1013 | #ifdef HAVE_SETVBUF |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1014 | setvbuf(stdin, (char *)NULL, _IOLBF, BUFSIZ); |
| 1015 | setvbuf(stdout, (char *)NULL, _IOLBF, BUFSIZ); |
Guido van Rossum | 22ffac1 | 1998-03-06 15:30:39 +0000 | [diff] [blame] | 1016 | #endif /* HAVE_SETVBUF */ |
| 1017 | #endif /* !MS_WINDOWS */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1018 | /* Leave stderr alone - it should be unbuffered anyway. */ |
| 1019 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1020 | } |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 1021 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1022 | |
| 1023 | /* Get the program name: use PYTHONEXECUTABLE and __PYVENV_LAUNCHER__ |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1024 | environment variables on macOS if available. */ |
| 1025 | static _PyInitError |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1026 | config_get_program_name(_PyCoreConfig *config) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1027 | { |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1028 | assert(config->program_name == NULL); |
| 1029 | |
| 1030 | /* If Py_SetProgramName() was called, use its value */ |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1031 | const wchar_t *program_name = _Py_path_config.program_name; |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1032 | if (program_name != NULL) { |
| 1033 | config->program_name = _PyMem_RawWcsdup(program_name); |
| 1034 | if (config->program_name == NULL) { |
| 1035 | return _Py_INIT_NO_MEMORY(); |
| 1036 | } |
| 1037 | } |
| 1038 | |
Just van Rossum | 2ac79ef | 2003-03-05 15:46:54 +0000 | [diff] [blame] | 1039 | #ifdef __APPLE__ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1040 | /* On MacOS X, when the Python interpreter is embedded in an |
| 1041 | application bundle, it gets executed by a bootstrapping script |
| 1042 | that does os.execve() with an argv[0] that's different from the |
| 1043 | actual Python executable. This is needed to keep the Finder happy, |
| 1044 | or rather, to work around Apple's overly strict requirements of |
| 1045 | the process name. However, we still need a usable sys.executable, |
| 1046 | so the actual executable path is passed in an environment variable. |
| 1047 | See Lib/plat-mac/bundlebuiler.py for details about the bootstrap |
| 1048 | script. */ |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1049 | const char *p = pymain_get_env_var("PYTHONEXECUTABLE"); |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1050 | if (p != NULL) { |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1051 | size_t len; |
| 1052 | wchar_t* program_name = Py_DecodeLocale(p, &len); |
| 1053 | if (program_name == NULL) { |
| 1054 | return DECODE_LOCALE_ERR("PYTHONEXECUTABLE environment " |
| 1055 | "variable", (Py_ssize_t)len); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1056 | } |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1057 | config->program_name = program_name; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1058 | } |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 1059 | #ifdef WITH_NEXT_FRAMEWORK |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1060 | else { |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1061 | const char* pyvenv_launcher = getenv("__PYVENV_LAUNCHER__"); |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 1062 | if (pyvenv_launcher && *pyvenv_launcher) { |
| 1063 | /* Used by Mac/Tools/pythonw.c to forward |
| 1064 | * the argv0 of the stub executable |
| 1065 | */ |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1066 | size_t len; |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1067 | wchar_t* program_name = Py_DecodeLocale(pyvenv_launcher, &len); |
| 1068 | if (program_name == NULL) { |
| 1069 | return DECODE_LOCALE_ERR("__PYVENV_LAUNCHER__ environment " |
| 1070 | "variable", (Py_ssize_t)len); |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 1071 | } |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1072 | config->program_name = program_name; |
Vinay Sajip | 90db661 | 2012-07-17 17:33:46 +0100 | [diff] [blame] | 1073 | } |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1074 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1075 | #endif /* WITH_NEXT_FRAMEWORK */ |
| 1076 | #endif /* __APPLE__ */ |
Victor Stinner | af5a895 | 2017-12-02 10:11:32 +0100 | [diff] [blame] | 1077 | |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1078 | return _Py_INIT_OK(); |
| 1079 | } |
| 1080 | |
| 1081 | |
| 1082 | /* If config_get_program_name() found no program name: use argv[0] by default. |
| 1083 | Return 0 on success. Set pymain->err and return -1 on error. */ |
| 1084 | static int |
| 1085 | pymain_get_program_name(_PyMain *pymain) |
| 1086 | { |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1087 | if (pymain->core_config.program_name == NULL) { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1088 | /* Use argv[0] by default */ |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1089 | pymain->core_config.program_name = pymain_wstrdup(pymain, pymain->argv[0]); |
| 1090 | if (pymain->core_config.program_name == NULL) { |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1091 | return -1; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1092 | } |
| 1093 | } |
| 1094 | return 0; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1095 | } |
| 1096 | |
| 1097 | |
| 1098 | /* Initialize the main interpreter. |
| 1099 | * |
| 1100 | * Replaces previous call to Py_Initialize() |
| 1101 | * |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1102 | * Return 0 on success. |
| 1103 | * Set pymain->err and return -1 on error. |
| 1104 | */ |
| 1105 | static int |
| 1106 | pymain_init_main_interpreter(_PyMain *pymain) |
| 1107 | { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1108 | _PyInitError err; |
| 1109 | |
Victor Stinner | e32e79f | 2017-11-23 01:49:45 +0100 | [diff] [blame] | 1110 | err = _Py_InitializeMainInterpreter(&pymain->config); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1111 | if (_Py_INIT_FAILED(err)) { |
| 1112 | pymain->err = err; |
| 1113 | return -1; |
| 1114 | } |
| 1115 | return 0; |
| 1116 | } |
| 1117 | |
| 1118 | |
| 1119 | static void |
| 1120 | pymain_header(_PyMain *pymain) |
| 1121 | { |
Eric Snow | 1abcf67 | 2017-05-23 21:46:51 -0700 | [diff] [blame] | 1122 | /* TODO: Move this to _PyRun_PrepareMain */ |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1123 | if (Py_QuietFlag) { |
| 1124 | return; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1125 | } |
Guido van Rossum | 393661d | 2001-08-31 17:40:15 +0000 | [diff] [blame] | 1126 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1127 | if (!Py_VerboseFlag && (pymain->run_code || !pymain->stdin_is_interactive)) { |
| 1128 | return; |
| 1129 | } |
| 1130 | |
| 1131 | fprintf(stderr, "Python %s on %s\n", Py_GetVersion(), Py_GetPlatform()); |
| 1132 | if (!Py_NoSiteFlag) { |
| 1133 | fprintf(stderr, "%s\n", COPYRIGHT); |
| 1134 | } |
| 1135 | } |
| 1136 | |
| 1137 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1138 | static int |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 1139 | pymain_init_argv(_PyMain *pymain) |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 1140 | { |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1141 | int argc = pymain->sys_argc; |
| 1142 | wchar_t** argv = pymain->sys_argv; |
| 1143 | |
| 1144 | if (argc <= 0 || pymain->sys_argv == NULL) { |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 1145 | /* Ensure at least one (empty) argument is seen */ |
| 1146 | static wchar_t *empty_argv[1] = {L""}; |
| 1147 | argv = empty_argv; |
| 1148 | argc = 1; |
| 1149 | } |
| 1150 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1151 | PyObject *list = PyList_New(argc); |
| 1152 | if (list == NULL) { |
| 1153 | return -1; |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 1154 | } |
| 1155 | |
| 1156 | for (int i = 0; i < argc; i++) { |
| 1157 | PyObject *v = PyUnicode_FromWideChar(argv[i], -1); |
| 1158 | if (v == NULL) { |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1159 | Py_DECREF(list); |
| 1160 | return -1; |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 1161 | } |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1162 | PyList_SET_ITEM(list, i, v); |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 1163 | } |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1164 | |
| 1165 | pymain->config.argv = list; |
| 1166 | return 0; |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 1167 | } |
| 1168 | |
| 1169 | |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 1170 | static int |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1171 | pymain_init_sys_argv(_PyMain *pymain) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1172 | { |
| 1173 | _Py_CommandLineDetails *cmdline = &pymain->cmdline; |
| 1174 | |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 1175 | if (cmdline->command != NULL || cmdline->module != NULL) { |
| 1176 | /* Backup _PyOS_optind */ |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1177 | _PyOS_optind--; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1178 | } |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 1179 | |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 1180 | /* Copy argv to be able to modify it (to force -c/-m) */ |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1181 | pymain->sys_argc = pymain->argc - _PyOS_optind; |
| 1182 | size_t size = pymain->sys_argc * sizeof(pymain->argv[0]); |
| 1183 | pymain->sys_argv = PyMem_RawMalloc(size); |
| 1184 | if (pymain->sys_argv == NULL) { |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 1185 | pymain->err = _Py_INIT_NO_MEMORY(); |
| 1186 | return -1; |
| 1187 | } |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1188 | memcpy(pymain->sys_argv, &pymain->argv[_PyOS_optind], size); |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 1189 | |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 1190 | if (cmdline->command != NULL) { |
| 1191 | /* Force sys.argv[0] = '-c' */ |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1192 | pymain->sys_argv[0] = L"-c"; |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 1193 | } |
| 1194 | else if (cmdline->module != NULL) { |
| 1195 | /* Force sys.argv[0] = '-m'*/ |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1196 | pymain->sys_argv[0] = L"-m"; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1197 | } |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 1198 | return 0; |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 1199 | } |
| 1200 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1201 | |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 1202 | static int |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1203 | pymain_update_sys_path(_PyMain *pymain) |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 1204 | { |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1205 | if (pymain->main_importer_path != NULL) { |
| 1206 | /* Let pymain_run_main_from_importer() adjust sys.path[0] later */ |
| 1207 | return 0; |
| 1208 | } |
| 1209 | |
| 1210 | if (Py_IsolatedFlag) { |
| 1211 | return 0; |
| 1212 | } |
| 1213 | |
| 1214 | /* Prepend argv[0] to sys.path. |
| 1215 | If argv[0] is a symlink, use the real path. */ |
| 1216 | PyObject *sys_path = PySys_GetObject("path"); |
| 1217 | if (sys_path == NULL) { |
| 1218 | pymain->err = _Py_INIT_ERR("can't get sys.path"); |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 1219 | return -1; |
| 1220 | } |
| 1221 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1222 | PyObject *path0 = _PyPathConfig_ComputeArgv0(pymain->sys_argc, pymain->sys_argv); |
| 1223 | if (path0 == NULL) { |
| 1224 | pymain->err = _Py_INIT_NO_MEMORY(); |
| 1225 | return -1; |
Victor Stinner | 11a247d | 2017-12-13 21:05:57 +0100 | [diff] [blame] | 1226 | } |
| 1227 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1228 | /* Prepend path0 to sys.path */ |
| 1229 | if (PyList_Insert(sys_path, 0, path0) < 0) { |
| 1230 | Py_DECREF(path0); |
| 1231 | pymain->err = _Py_INIT_ERR("sys.path.insert(0, path0) failed"); |
| 1232 | return -1; |
| 1233 | } |
| 1234 | Py_DECREF(path0); |
| 1235 | |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 1236 | return 0; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1237 | } |
| 1238 | |
| 1239 | |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1240 | /* Get Py_xxx global configuration variables */ |
| 1241 | static void |
| 1242 | pymain_get_global_config(_PyMain *pymain) |
| 1243 | { |
| 1244 | _Py_CommandLineDetails *cmdline = &pymain->cmdline; |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1245 | |
Victor Stinner | 91106cd | 2017-12-13 12:29:09 +0100 | [diff] [blame] | 1246 | cmdline->bytes_warning = Py_BytesWarningFlag; |
| 1247 | cmdline->debug = Py_DebugFlag; |
| 1248 | cmdline->inspect = Py_InspectFlag; |
| 1249 | cmdline->interactive = Py_InteractiveFlag; |
| 1250 | cmdline->isolated = Py_IsolatedFlag; |
| 1251 | cmdline->optimization_level = Py_OptimizeFlag; |
| 1252 | cmdline->dont_write_bytecode = Py_DontWriteBytecodeFlag; |
| 1253 | cmdline->no_user_site_directory = Py_NoUserSiteDirectory; |
| 1254 | cmdline->no_site_import = Py_NoSiteFlag; |
| 1255 | cmdline->use_unbuffered_io = Py_UnbufferedStdioFlag; |
| 1256 | cmdline->verbosity = Py_VerboseFlag; |
| 1257 | cmdline->quiet_flag = Py_QuietFlag; |
| 1258 | #ifdef MS_WINDOWS |
| 1259 | cmdline->legacy_windows_fs_encoding = Py_LegacyWindowsFSEncodingFlag; |
| 1260 | cmdline->legacy_windows_stdio = Py_LegacyWindowsStdioFlag; |
| 1261 | #endif |
| 1262 | cmdline->check_hash_pycs_mode = _Py_CheckHashBasedPycsMode ; |
| 1263 | |
| 1264 | pymain->core_config.ignore_environment = Py_IgnoreEnvironmentFlag; |
| 1265 | pymain->core_config.utf8_mode = Py_UTF8Mode; |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1266 | } |
| 1267 | |
| 1268 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1269 | /* Set Py_XXX global configuration variables */ |
| 1270 | static void |
| 1271 | pymain_set_global_config(_PyMain *pymain) |
| 1272 | { |
| 1273 | _Py_CommandLineDetails *cmdline = &pymain->cmdline; |
Victor Stinner | 91106cd | 2017-12-13 12:29:09 +0100 | [diff] [blame] | 1274 | |
| 1275 | Py_BytesWarningFlag = cmdline->bytes_warning; |
| 1276 | Py_DebugFlag = cmdline->debug; |
| 1277 | Py_InspectFlag = cmdline->inspect; |
| 1278 | Py_InteractiveFlag = cmdline->interactive; |
| 1279 | Py_IsolatedFlag = cmdline->isolated; |
| 1280 | Py_OptimizeFlag = cmdline->optimization_level; |
| 1281 | Py_DontWriteBytecodeFlag = cmdline->dont_write_bytecode; |
| 1282 | Py_NoUserSiteDirectory = cmdline->no_user_site_directory; |
| 1283 | Py_NoSiteFlag = cmdline->no_site_import; |
| 1284 | Py_UnbufferedStdioFlag = cmdline->use_unbuffered_io; |
| 1285 | Py_VerboseFlag = cmdline->verbosity; |
| 1286 | Py_QuietFlag = cmdline->quiet_flag; |
| 1287 | _Py_CheckHashBasedPycsMode = cmdline->check_hash_pycs_mode; |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1288 | #ifdef MS_WINDOWS |
Victor Stinner | 91106cd | 2017-12-13 12:29:09 +0100 | [diff] [blame] | 1289 | Py_LegacyWindowsFSEncodingFlag = cmdline->legacy_windows_fs_encoding; |
| 1290 | Py_LegacyWindowsStdioFlag = cmdline->legacy_windows_stdio; |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1291 | #endif |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1292 | |
Victor Stinner | 91106cd | 2017-12-13 12:29:09 +0100 | [diff] [blame] | 1293 | Py_IgnoreEnvironmentFlag = pymain->core_config.ignore_environment; |
| 1294 | Py_UTF8Mode = pymain->core_config.utf8_mode; |
Victor Stinner | 358e5e1 | 2017-12-15 00:51:22 +0100 | [diff] [blame] | 1295 | |
| 1296 | /* Random or non-zero hash seed */ |
| 1297 | Py_HashRandomizationFlag = (pymain->core_config.use_hash_seed == 0 || |
| 1298 | pymain->core_config.hash_seed != 0); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1299 | } |
| 1300 | |
| 1301 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1302 | static void |
| 1303 | pymain_import_readline(_PyMain *pymain) |
| 1304 | { |
| 1305 | if (Py_IsolatedFlag) { |
| 1306 | return; |
| 1307 | } |
| 1308 | if (!Py_InspectFlag && pymain->run_code) { |
| 1309 | return; |
| 1310 | } |
| 1311 | if (!isatty(fileno(stdin))) { |
| 1312 | return; |
Nick Coghlan | d2977a3 | 2017-03-12 20:38:32 +1000 | [diff] [blame] | 1313 | } |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 1314 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1315 | PyObject *mod = PyImport_ImportModule("readline"); |
| 1316 | if (mod == NULL) { |
| 1317 | PyErr_Clear(); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1318 | } |
| 1319 | else { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1320 | Py_DECREF(mod); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1321 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1322 | } |
| 1323 | |
| 1324 | |
| 1325 | static FILE* |
| 1326 | pymain_open_filename(_PyMain *pymain) |
| 1327 | { |
| 1328 | _Py_CommandLineDetails *cmdline = &pymain->cmdline; |
| 1329 | FILE* fp; |
| 1330 | |
| 1331 | fp = _Py_wfopen(cmdline->filename, L"r"); |
| 1332 | if (fp == NULL) { |
| 1333 | char *cfilename_buffer; |
| 1334 | const char *cfilename; |
| 1335 | int err = errno; |
| 1336 | cfilename_buffer = Py_EncodeLocale(cmdline->filename, NULL); |
| 1337 | if (cfilename_buffer != NULL) |
| 1338 | cfilename = cfilename_buffer; |
| 1339 | else |
| 1340 | cfilename = "<unprintable file name>"; |
| 1341 | fprintf(stderr, "%ls: can't open file '%s': [Errno %d] %s\n", |
| 1342 | pymain->argv[0], cfilename, err, strerror(err)); |
| 1343 | PyMem_Free(cfilename_buffer); |
| 1344 | pymain->status = 2; |
| 1345 | return NULL; |
| 1346 | } |
| 1347 | |
| 1348 | if (cmdline->skip_first_line) { |
| 1349 | int ch; |
| 1350 | /* Push back first newline so line numbers |
| 1351 | remain the same */ |
| 1352 | while ((ch = getc(fp)) != EOF) { |
| 1353 | if (ch == '\n') { |
| 1354 | (void)ungetc(ch, fp); |
| 1355 | break; |
| 1356 | } |
| 1357 | } |
| 1358 | } |
| 1359 | |
| 1360 | struct _Py_stat_struct sb; |
| 1361 | if (_Py_fstat_noraise(fileno(fp), &sb) == 0 && |
| 1362 | S_ISDIR(sb.st_mode)) { |
| 1363 | fprintf(stderr, |
| 1364 | "%ls: '%ls' is a directory, cannot continue\n", |
| 1365 | pymain->argv[0], cmdline->filename); |
| 1366 | fclose(fp); |
| 1367 | pymain->status = 1; |
| 1368 | return NULL; |
| 1369 | } |
| 1370 | |
| 1371 | return fp; |
| 1372 | } |
| 1373 | |
| 1374 | |
| 1375 | static void |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1376 | pymain_run_filename(_PyMain *pymain) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1377 | { |
| 1378 | _Py_CommandLineDetails *cmdline = &pymain->cmdline; |
| 1379 | |
| 1380 | if (cmdline->filename == NULL && pymain->stdin_is_interactive) { |
| 1381 | Py_InspectFlag = 0; /* do exit on SystemExit */ |
Victor Stinner | 33c377e | 2017-12-05 15:12:41 +0100 | [diff] [blame] | 1382 | pymain_run_startup(&pymain->cf); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1383 | pymain_run_interactive_hook(); |
| 1384 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1385 | |
| 1386 | if (pymain->main_importer_path != NULL) { |
| 1387 | pymain->status = pymain_run_main_from_importer(pymain); |
| 1388 | return; |
| 1389 | } |
| 1390 | |
| 1391 | FILE *fp; |
| 1392 | if (cmdline->filename != NULL) { |
| 1393 | fp = pymain_open_filename(pymain); |
| 1394 | if (fp == NULL) { |
| 1395 | return; |
| 1396 | } |
| 1397 | } |
| 1398 | else { |
| 1399 | fp = stdin; |
| 1400 | } |
| 1401 | |
| 1402 | pymain->status = pymain_run_file(fp, cmdline->filename, &pymain->cf); |
| 1403 | } |
| 1404 | |
| 1405 | |
| 1406 | static void |
| 1407 | pymain_repl(_PyMain *pymain) |
| 1408 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1409 | /* Check this environment variable at the end, to give programs the |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1410 | opportunity to set it from Python. */ |
| 1411 | if (!Py_InspectFlag && pymain_get_env_var("PYTHONINSPECT")) { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1412 | Py_InspectFlag = 1; |
| 1413 | } |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 1414 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1415 | if (!(Py_InspectFlag && pymain->stdin_is_interactive |
| 1416 | && pymain->run_code)) { |
| 1417 | return; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 1418 | } |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1419 | |
| 1420 | Py_InspectFlag = 0; |
| 1421 | pymain_run_interactive_hook(); |
Victor Stinner | 33c377e | 2017-12-05 15:12:41 +0100 | [diff] [blame] | 1422 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1423 | int res = PyRun_AnyFileFlags(stdin, "<stdin>", &pymain->cf); |
| 1424 | pymain->status = (res != 0); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1425 | } |
| 1426 | |
| 1427 | |
| 1428 | /* Parse the command line. |
| 1429 | Handle --version and --help options directly. |
| 1430 | |
| 1431 | Return 1 if Python must exit. |
| 1432 | Return 0 on success. |
| 1433 | Set pymain->err and return -1 on failure. */ |
| 1434 | static int |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1435 | pymain_parse_cmdline(_PyMain *pymain) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1436 | { |
| 1437 | _Py_CommandLineDetails *cmdline = &pymain->cmdline; |
| 1438 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1439 | int res = pymain_parse_cmdline_impl(pymain); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1440 | if (res < 0) { |
| 1441 | return -1; |
| 1442 | } |
| 1443 | if (res) { |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1444 | pymain_usage(1, pymain->argv[0]); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1445 | pymain->status = 2; |
| 1446 | return 1; |
| 1447 | } |
| 1448 | |
| 1449 | if (cmdline->print_help) { |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1450 | pymain_usage(0, pymain->argv[0]); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1451 | pymain->status = 0; |
| 1452 | return 1; |
| 1453 | } |
| 1454 | |
| 1455 | if (cmdline->print_version) { |
| 1456 | printf("Python %s\n", |
| 1457 | (cmdline->print_version >= 2) ? Py_GetVersion() : PY_VERSION); |
| 1458 | return 1; |
| 1459 | } |
| 1460 | |
| 1461 | pymain->run_code = (cmdline->command != NULL || cmdline->filename != NULL |
| 1462 | || cmdline->module != NULL); |
| 1463 | |
| 1464 | return 0; |
| 1465 | } |
| 1466 | |
| 1467 | |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1468 | static const wchar_t* |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1469 | pymain_get_xoption(_PyMain *pymain, wchar_t *name) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1470 | { |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1471 | _Py_OptList *list = &pymain->cmdline.xoptions; |
| 1472 | for (size_t i=0; i < list->len; i++) { |
| 1473 | wchar_t *option = list->options[i]; |
| 1474 | size_t len; |
| 1475 | wchar_t *sep = wcschr(option, L'='); |
| 1476 | if (sep != NULL) { |
| 1477 | len = (sep - option); |
| 1478 | } |
| 1479 | else { |
| 1480 | len = wcslen(option); |
| 1481 | } |
| 1482 | if (wcsncmp(option, name, len) == 0 && name[len] == L'\0') { |
| 1483 | return option; |
| 1484 | } |
| 1485 | } |
| 1486 | return NULL; |
| 1487 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1488 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1489 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1490 | static int |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1491 | pymain_str_to_int(const char *str, int *result) |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1492 | { |
| 1493 | errno = 0; |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1494 | const char *endptr = str; |
| 1495 | long value = strtol(str, (char **)&endptr, 10); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1496 | if (*endptr != '\0' || errno == ERANGE) { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1497 | return -1; |
| 1498 | } |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1499 | if (value < INT_MIN || value > INT_MAX) { |
| 1500 | return -1; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1501 | } |
| 1502 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1503 | *result = (int)value; |
| 1504 | return 0; |
| 1505 | } |
| 1506 | |
| 1507 | |
| 1508 | static int |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1509 | pymain_wstr_to_int(const wchar_t *wstr, int *result) |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1510 | { |
| 1511 | errno = 0; |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1512 | const wchar_t *endptr = wstr; |
| 1513 | long value = wcstol(wstr, (wchar_t **)&endptr, 10); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1514 | if (*endptr != '\0' || errno == ERANGE) { |
| 1515 | return -1; |
| 1516 | } |
| 1517 | if (value < INT_MIN || value > INT_MAX) { |
| 1518 | return -1; |
| 1519 | } |
| 1520 | |
| 1521 | *result = (int)value; |
| 1522 | return 0; |
| 1523 | } |
| 1524 | |
| 1525 | |
| 1526 | static int |
| 1527 | pymain_init_tracemalloc(_PyMain *pymain) |
| 1528 | { |
| 1529 | int nframe; |
| 1530 | int valid; |
| 1531 | |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1532 | const char *env = pymain_get_env_var("PYTHONTRACEMALLOC"); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1533 | if (env) { |
| 1534 | if (!pymain_str_to_int(env, &nframe)) { |
| 1535 | valid = (nframe >= 1); |
| 1536 | } |
| 1537 | else { |
| 1538 | valid = 0; |
| 1539 | } |
| 1540 | if (!valid) { |
| 1541 | pymain->err = _Py_INIT_USER_ERR("PYTHONTRACEMALLOC: invalid " |
| 1542 | "number of frames"); |
| 1543 | return -1; |
| 1544 | } |
| 1545 | pymain->core_config.tracemalloc = nframe; |
| 1546 | } |
| 1547 | |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1548 | const wchar_t *xoption = pymain_get_xoption(pymain, L"tracemalloc"); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1549 | if (xoption) { |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1550 | const wchar_t *sep = wcschr(xoption, L'='); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1551 | if (sep) { |
| 1552 | if (!pymain_wstr_to_int(sep + 1, &nframe)) { |
| 1553 | valid = (nframe >= 1); |
| 1554 | } |
| 1555 | else { |
| 1556 | valid = 0; |
| 1557 | } |
| 1558 | if (!valid) { |
| 1559 | pymain->err = _Py_INIT_USER_ERR("-X tracemalloc=NFRAME: " |
| 1560 | "invalid number of frames"); |
| 1561 | return -1; |
| 1562 | } |
| 1563 | } |
| 1564 | else { |
| 1565 | /* -X tracemalloc behaves as -X tracemalloc=1 */ |
| 1566 | nframe = 1; |
| 1567 | } |
| 1568 | pymain->core_config.tracemalloc = nframe; |
| 1569 | } |
| 1570 | return 0; |
| 1571 | } |
| 1572 | |
| 1573 | |
| 1574 | static void |
| 1575 | pymain_set_flag_from_env(int *flag, const char *name) |
| 1576 | { |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1577 | const char *var = pymain_get_env_var(name); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1578 | if (!var) { |
| 1579 | return; |
| 1580 | } |
| 1581 | int value; |
| 1582 | if (pymain_str_to_int(var, &value) < 0 || value < 0) { |
| 1583 | /* PYTHONDEBUG=text and PYTHONDEBUG=-2 behave as PYTHONDEBUG=1 */ |
| 1584 | value = 1; |
| 1585 | } |
| 1586 | if (*flag < value) { |
| 1587 | *flag = value; |
| 1588 | } |
| 1589 | } |
| 1590 | |
| 1591 | |
| 1592 | static void |
| 1593 | pymain_set_flags_from_env(_PyMain *pymain) |
| 1594 | { |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1595 | _Py_CommandLineDetails *cmdline = &pymain->cmdline; |
| 1596 | pymain_set_flag_from_env(&cmdline->debug, |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1597 | "PYTHONDEBUG"); |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1598 | pymain_set_flag_from_env(&cmdline->verbosity, |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1599 | "PYTHONVERBOSE"); |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1600 | pymain_set_flag_from_env(&cmdline->optimization_level, |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1601 | "PYTHONOPTIMIZE"); |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1602 | pymain_set_flag_from_env(&cmdline->inspect, |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1603 | "PYTHONINSPECT"); |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1604 | pymain_set_flag_from_env(&cmdline->dont_write_bytecode, |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1605 | "PYTHONDONTWRITEBYTECODE"); |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1606 | pymain_set_flag_from_env(&cmdline->no_user_site_directory, |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1607 | "PYTHONNOUSERSITE"); |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1608 | pymain_set_flag_from_env(&cmdline->use_unbuffered_io, |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1609 | "PYTHONUNBUFFERED"); |
| 1610 | #ifdef MS_WINDOWS |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1611 | pymain_set_flag_from_env(&cmdline->legacy_windows_fs_encoding, |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1612 | "PYTHONLEGACYWINDOWSFSENCODING"); |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1613 | pymain_set_flag_from_env(&cmdline->legacy_windows_stdio, |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1614 | "PYTHONLEGACYWINDOWSSTDIO"); |
| 1615 | #endif |
| 1616 | } |
| 1617 | |
| 1618 | |
| 1619 | static int |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1620 | config_get_env_var_dup(wchar_t **dest, wchar_t *wname, char *name) |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1621 | { |
| 1622 | if (Py_IgnoreEnvironmentFlag) { |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1623 | *dest = NULL; |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1624 | return 0; |
| 1625 | } |
| 1626 | |
| 1627 | #ifdef MS_WINDOWS |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1628 | const wchar_t *var = _wgetenv(wname); |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1629 | if (!var || var[0] == '\0') { |
| 1630 | *dest = NULL; |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1631 | return 0; |
| 1632 | } |
| 1633 | |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1634 | wchar_t *copy = _PyMem_RawWcsdup(var); |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1635 | if (copy == NULL) { |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1636 | return -1; |
| 1637 | } |
| 1638 | |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1639 | *dest = copy; |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1640 | #else |
Serhiy Storchaka | 4ae06c5 | 2017-12-12 13:55:04 +0200 | [diff] [blame] | 1641 | const char *var = getenv(name); |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1642 | if (!var || var[0] == '\0') { |
| 1643 | *dest = NULL; |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1644 | return 0; |
| 1645 | } |
| 1646 | |
| 1647 | size_t len; |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1648 | wchar_t *wvar = Py_DecodeLocale(var, &len); |
| 1649 | if (!wvar) { |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1650 | if (len == (size_t)-2) { |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1651 | return -2; |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1652 | } |
| 1653 | else { |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1654 | return -1; |
| 1655 | } |
| 1656 | } |
| 1657 | *dest = wvar; |
| 1658 | #endif |
| 1659 | return 0; |
| 1660 | } |
| 1661 | |
| 1662 | |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1663 | static _PyInitError |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1664 | config_init_pythonpath(_PyCoreConfig *config) |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1665 | { |
| 1666 | wchar_t *path; |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1667 | int res = config_get_env_var_dup(&path, L"PYTHONPATH", "PYTHONPATH"); |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1668 | if (res < 0) { |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1669 | return DECODE_LOCALE_ERR("PYTHONHOME", res); |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1670 | } |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1671 | config->module_search_path_env = path; |
| 1672 | return _Py_INIT_OK(); |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1673 | } |
| 1674 | |
| 1675 | |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1676 | static _PyInitError |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1677 | config_init_home(_PyCoreConfig *config) |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1678 | { |
| 1679 | wchar_t *home; |
| 1680 | |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1681 | /* If Py_SetPythonHome() was called, use its value */ |
| 1682 | home = _Py_path_config.home; |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1683 | if (home) { |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1684 | config->home = _PyMem_RawWcsdup(home); |
| 1685 | if (config->home == NULL) { |
| 1686 | return _Py_INIT_NO_MEMORY(); |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1687 | } |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1688 | return _Py_INIT_OK(); |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1689 | } |
| 1690 | |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1691 | int res = config_get_env_var_dup(&home, L"PYTHONHOME", "PYTHONHOME"); |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1692 | if (res < 0) { |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1693 | return DECODE_LOCALE_ERR("PYTHONHOME", res); |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1694 | } |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1695 | config->home = home; |
| 1696 | return _Py_INIT_OK(); |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1697 | } |
| 1698 | |
| 1699 | |
Victor Stinner | 358e5e1 | 2017-12-15 00:51:22 +0100 | [diff] [blame] | 1700 | static _PyInitError |
| 1701 | config_init_hash_seed(_PyCoreConfig *config) |
| 1702 | { |
| 1703 | if (config->use_hash_seed < 0) { |
| 1704 | const char *seed_text = pymain_get_env_var("PYTHONHASHSEED"); |
| 1705 | int use_hash_seed; |
| 1706 | unsigned long hash_seed; |
| 1707 | if (_Py_ReadHashSeed(seed_text, &use_hash_seed, &hash_seed) < 0) { |
| 1708 | return _Py_INIT_USER_ERR("PYTHONHASHSEED must be \"random\" " |
| 1709 | "or an integer in range [0; 4294967295]"); |
| 1710 | } |
| 1711 | config->use_hash_seed = use_hash_seed; |
| 1712 | config->hash_seed = hash_seed; |
| 1713 | } |
| 1714 | return _Py_INIT_OK(); |
| 1715 | } |
| 1716 | |
| 1717 | |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1718 | _PyInitError |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1719 | _PyCoreConfig_ReadEnv(_PyCoreConfig *config) |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1720 | { |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1721 | _PyInitError err = config_init_home(config); |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1722 | if (_Py_INIT_FAILED(err)) { |
| 1723 | return err; |
| 1724 | } |
| 1725 | |
| 1726 | err = config_init_pythonpath(config); |
| 1727 | if (_Py_INIT_FAILED(err)) { |
| 1728 | return err; |
| 1729 | } |
| 1730 | |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1731 | err = config_get_program_name(config); |
| 1732 | if (_Py_INIT_FAILED(err)) { |
| 1733 | return err; |
Victor Stinner | f04ebe2 | 2017-11-25 00:01:23 +0100 | [diff] [blame] | 1734 | } |
| 1735 | |
Victor Stinner | 358e5e1 | 2017-12-15 00:51:22 +0100 | [diff] [blame] | 1736 | err = config_init_hash_seed(config); |
| 1737 | if (_Py_INIT_FAILED(err)) { |
| 1738 | return err; |
| 1739 | } |
| 1740 | |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1741 | return _Py_INIT_OK(); |
| 1742 | } |
| 1743 | |
| 1744 | |
Victor Stinner | 91106cd | 2017-12-13 12:29:09 +0100 | [diff] [blame] | 1745 | static int |
| 1746 | pymain_init_utf8_mode(_PyMain *pymain) |
| 1747 | { |
| 1748 | _PyCoreConfig *core_config = &pymain->core_config; |
| 1749 | |
| 1750 | #ifdef MS_WINDOWS |
| 1751 | if (pymain->cmdline.legacy_windows_fs_encoding) { |
| 1752 | core_config->utf8_mode = 0; |
| 1753 | return 0; |
| 1754 | } |
| 1755 | #endif |
| 1756 | |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 1757 | const wchar_t *xopt = pymain_get_xoption(pymain, L"utf8"); |
Victor Stinner | 91106cd | 2017-12-13 12:29:09 +0100 | [diff] [blame] | 1758 | if (xopt) { |
| 1759 | wchar_t *sep = wcschr(xopt, L'='); |
| 1760 | if (sep) { |
| 1761 | xopt = sep + 1; |
| 1762 | if (wcscmp(xopt, L"1") == 0) { |
| 1763 | core_config->utf8_mode = 1; |
| 1764 | } |
| 1765 | else if (wcscmp(xopt, L"0") == 0) { |
| 1766 | core_config->utf8_mode = 0; |
| 1767 | } |
| 1768 | else { |
| 1769 | pymain->err = _Py_INIT_USER_ERR("invalid -X utf8 option value"); |
| 1770 | return -1; |
| 1771 | } |
| 1772 | } |
| 1773 | else { |
| 1774 | core_config->utf8_mode = 1; |
| 1775 | } |
| 1776 | return 0; |
| 1777 | } |
| 1778 | |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 1779 | const char *opt = pymain_get_env_var("PYTHONUTF8"); |
Victor Stinner | 91106cd | 2017-12-13 12:29:09 +0100 | [diff] [blame] | 1780 | if (opt) { |
| 1781 | if (strcmp(opt, "1") == 0) { |
| 1782 | core_config->utf8_mode = 1; |
| 1783 | } |
| 1784 | else if (strcmp(opt, "0") == 0) { |
| 1785 | core_config->utf8_mode = 0; |
| 1786 | } |
| 1787 | else { |
| 1788 | pymain->err = _Py_INIT_USER_ERR("invalid PYTHONUTF8 environment " |
| 1789 | "variable value"); |
| 1790 | return -1; |
| 1791 | } |
| 1792 | return 0; |
| 1793 | } |
| 1794 | return 0; |
| 1795 | } |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1796 | |
| 1797 | |
Victor Stinner | d434110 | 2017-11-23 00:12:09 +0100 | [diff] [blame] | 1798 | static int |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1799 | pymain_parse_envvars(_PyMain *pymain) |
| 1800 | { |
| 1801 | _PyCoreConfig *core_config = &pymain->core_config; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1802 | |
| 1803 | /* Get environment variables */ |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1804 | pymain_set_flags_from_env(pymain); |
| 1805 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1806 | if (pymain_warnings_envvar(pymain) < 0) { |
| 1807 | return -1; |
| 1808 | } |
Victor Stinner | f04ebe2 | 2017-11-25 00:01:23 +0100 | [diff] [blame] | 1809 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1810 | _PyInitError err = _PyCoreConfig_ReadEnv(&pymain->core_config); |
Victor Stinner | 46972b7 | 2017-11-24 22:55:40 +0100 | [diff] [blame] | 1811 | if (_Py_INIT_FAILED(pymain->err)) { |
| 1812 | pymain->err = err; |
Victor Stinner | 1f15111 | 2017-11-23 10:43:14 +0100 | [diff] [blame] | 1813 | return -1; |
| 1814 | } |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1815 | if (pymain_get_program_name(pymain) < 0) { |
| 1816 | return -1; |
| 1817 | } |
| 1818 | |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1819 | core_config->allocator = pymain_get_env_var("PYTHONMALLOC"); |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1820 | |
Victor Stinner | 25420fe | 2017-11-20 18:12:22 -0800 | [diff] [blame] | 1821 | /* -X options */ |
| 1822 | if (pymain_get_xoption(pymain, L"showrefcount")) { |
| 1823 | core_config->show_ref_count = 1; |
| 1824 | } |
| 1825 | if (pymain_get_xoption(pymain, L"showalloccount")) { |
| 1826 | core_config->show_alloc_count = 1; |
| 1827 | } |
| 1828 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1829 | /* More complex options: env var and/or -X option */ |
| 1830 | if (pymain_get_env_var("PYTHONFAULTHANDLER") |
| 1831 | || pymain_get_xoption(pymain, L"faulthandler")) { |
| 1832 | core_config->faulthandler = 1; |
| 1833 | } |
| 1834 | if (pymain_get_env_var("PYTHONPROFILEIMPORTTIME") |
| 1835 | || pymain_get_xoption(pymain, L"importtime")) { |
Victor Stinner | 25420fe | 2017-11-20 18:12:22 -0800 | [diff] [blame] | 1836 | core_config->import_time = 1; |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1837 | } |
| 1838 | if (pymain_init_tracemalloc(pymain) < 0) { |
| 1839 | return -1; |
| 1840 | } |
Victor Stinner | 5e3806f | 2017-11-30 11:40:24 +0100 | [diff] [blame] | 1841 | if (pymain_get_xoption(pymain, L"dev" ) || |
| 1842 | pymain_get_env_var("PYTHONDEVMODE")) |
| 1843 | { |
Victor Stinner | 09f3a8a | 2017-11-20 17:32:40 -0800 | [diff] [blame] | 1844 | core_config->dev_mode = 1; |
Victor Stinner | ccb0442 | 2017-11-16 03:20:31 -0800 | [diff] [blame] | 1845 | core_config->faulthandler = 1; |
Victor Stinner | 09f3a8a | 2017-11-20 17:32:40 -0800 | [diff] [blame] | 1846 | core_config->allocator = "debug"; |
Victor Stinner | ccb0442 | 2017-11-16 03:20:31 -0800 | [diff] [blame] | 1847 | } |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1848 | if (pymain_get_env_var("PYTHONDUMPREFS")) { |
| 1849 | pymain->core_config.dump_refs = 1; |
| 1850 | } |
| 1851 | if (pymain_get_env_var("PYTHONMALLOCSTATS")) { |
| 1852 | pymain->core_config.malloc_stats = 1; |
| 1853 | } |
| 1854 | |
Victor Stinner | 91106cd | 2017-12-13 12:29:09 +0100 | [diff] [blame] | 1855 | if (pymain_init_utf8_mode(pymain) < 0) { |
| 1856 | return -1; |
| 1857 | } |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1858 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 1859 | return 0; |
| 1860 | } |
| 1861 | |
| 1862 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1863 | /* Parse command line options and environment variables. |
| 1864 | This code must not use Python runtime apart PyMem_Raw memory allocator. |
| 1865 | |
| 1866 | Return 0 on success. |
| 1867 | Return 1 if Python is done and must exit. |
| 1868 | Set pymain->err and return -1 on error. */ |
| 1869 | static int |
| 1870 | pymain_parse_cmdline_envvars_impl(_PyMain *pymain) |
| 1871 | { |
| 1872 | int res = pymain_parse_cmdline(pymain); |
| 1873 | if (res < 0) { |
| 1874 | return -1; |
| 1875 | } |
| 1876 | if (res > 0) { |
| 1877 | return 1; |
| 1878 | } |
| 1879 | |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 1880 | /* Set Py_IgnoreEnvironmentFlag needed by Py_GETENV() */ |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1881 | pymain_set_global_config(pymain); |
| 1882 | |
| 1883 | if (pymain_parse_envvars(pymain) < 0) { |
| 1884 | return -1; |
| 1885 | } |
Victor Stinner | 91106cd | 2017-12-13 12:29:09 +0100 | [diff] [blame] | 1886 | /* FIXME: if utf8_mode value changed, parse again cmdline */ |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1887 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 1888 | if (pymain_init_sys_argv(pymain) < 0) { |
| 1889 | return -1; |
| 1890 | } |
| 1891 | |
| 1892 | _PyInitError err = _PyCoreConfig_Read(&pymain->core_config); |
Victor Stinner | 31a8393 | 2017-12-04 13:39:15 +0100 | [diff] [blame] | 1893 | if (_Py_INIT_FAILED(err)) { |
| 1894 | pymain->err = err; |
| 1895 | return -1; |
| 1896 | } |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1897 | return 0; |
| 1898 | } |
| 1899 | |
| 1900 | |
| 1901 | static int |
| 1902 | pymain_parse_cmdline_envvars(_PyMain *pymain) |
| 1903 | { |
Victor Stinner | 5d39e04 | 2017-11-29 17:20:38 +0100 | [diff] [blame] | 1904 | /* Force default allocator, since pymain_free() must use the same allocator |
| 1905 | than this function. */ |
| 1906 | PyMemAllocatorEx old_alloc; |
| 1907 | _PyMem_SetDefaultAllocator(PYMEM_DOMAIN_RAW, &old_alloc); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1908 | |
| 1909 | int res = pymain_parse_cmdline_envvars_impl(pymain); |
| 1910 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1911 | PyMem_SetAllocator(PYMEM_DOMAIN_RAW, &old_alloc); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 1912 | return res; |
| 1913 | } |
| 1914 | |
Victor Stinner | 91106cd | 2017-12-13 12:29:09 +0100 | [diff] [blame] | 1915 | |
Victor Stinner | da27341 | 2017-12-15 01:46:02 +0100 | [diff] [blame] | 1916 | /* Read configuration settings from standard locations |
| 1917 | * |
| 1918 | * This function doesn't make any changes to the interpreter state - it |
| 1919 | * merely populates any missing configuration settings. This allows an |
| 1920 | * embedding application to completely override a config option by |
| 1921 | * setting it before calling this function, or else modify the default |
| 1922 | * setting before passing the fully populated config to Py_EndInitialization. |
| 1923 | * |
| 1924 | * More advanced selective initialization tricks are possible by calling |
| 1925 | * this function multiple times with various preconfigured settings. |
| 1926 | */ |
| 1927 | |
| 1928 | _PyInitError |
| 1929 | _PyCoreConfig_Read(_PyCoreConfig *config) |
| 1930 | { |
| 1931 | if (config->program_name == NULL) { |
| 1932 | #ifdef MS_WINDOWS |
| 1933 | const wchar_t *program_name = L"python"; |
| 1934 | #else |
| 1935 | const wchar_t *program_name = L"python3"; |
| 1936 | #endif |
| 1937 | config->program_name = _PyMem_RawWcsdup(program_name); |
| 1938 | if (config->program_name == NULL) { |
| 1939 | return _Py_INIT_NO_MEMORY(); |
| 1940 | } |
| 1941 | } |
| 1942 | |
| 1943 | return _Py_INIT_OK(); |
| 1944 | } |
| 1945 | |
| 1946 | |
| 1947 | void |
| 1948 | _PyCoreConfig_Clear(_PyCoreConfig *config) |
| 1949 | { |
| 1950 | #define CLEAR(ATTR) \ |
| 1951 | do { \ |
| 1952 | PyMem_RawFree(ATTR); \ |
| 1953 | ATTR = NULL; \ |
| 1954 | } while (0) |
| 1955 | |
| 1956 | CLEAR(config->module_search_path_env); |
| 1957 | CLEAR(config->home); |
| 1958 | CLEAR(config->program_name); |
| 1959 | #undef CLEAR |
| 1960 | } |
| 1961 | |
| 1962 | |
| 1963 | int |
| 1964 | _PyCoreConfig_Copy(_PyCoreConfig *config, const _PyCoreConfig *config2) |
| 1965 | { |
| 1966 | _PyCoreConfig_Clear(config); |
| 1967 | |
| 1968 | #define COPY_ATTR(ATTR) config->ATTR = config2->ATTR |
| 1969 | COPY_ATTR(ignore_environment); |
| 1970 | COPY_ATTR(use_hash_seed); |
| 1971 | COPY_ATTR(hash_seed); |
| 1972 | COPY_ATTR(_disable_importlib); |
| 1973 | COPY_ATTR(allocator); |
| 1974 | COPY_ATTR(dev_mode); |
| 1975 | COPY_ATTR(faulthandler); |
| 1976 | COPY_ATTR(tracemalloc); |
| 1977 | COPY_ATTR(import_time); |
| 1978 | COPY_ATTR(show_ref_count); |
| 1979 | COPY_ATTR(show_alloc_count); |
| 1980 | COPY_ATTR(dump_refs); |
| 1981 | COPY_ATTR(malloc_stats); |
| 1982 | COPY_ATTR(utf8_mode); |
| 1983 | #undef COPY_ATTR |
| 1984 | |
| 1985 | #define COPY_STR_ATTR(ATTR) \ |
| 1986 | do { \ |
| 1987 | if (config2->ATTR != NULL) { \ |
| 1988 | config->ATTR = _PyMem_RawWcsdup(config2->ATTR); \ |
| 1989 | if (config->ATTR == NULL) { \ |
| 1990 | return -1; \ |
| 1991 | } \ |
| 1992 | } \ |
| 1993 | } while (0) |
| 1994 | |
| 1995 | COPY_STR_ATTR(module_search_path_env); |
| 1996 | COPY_STR_ATTR(home); |
| 1997 | COPY_STR_ATTR(program_name); |
| 1998 | #undef COPY_STR_ATTR |
| 1999 | return 0; |
| 2000 | } |
| 2001 | |
| 2002 | |
| 2003 | void |
| 2004 | _PyMainInterpreterConfig_Clear(_PyMainInterpreterConfig *config) |
| 2005 | { |
| 2006 | Py_CLEAR(config->argv); |
Victor Stinner | 41264f1 | 2017-12-15 02:05:29 +0100 | [diff] [blame] | 2007 | Py_CLEAR(config->executable); |
| 2008 | Py_CLEAR(config->prefix); |
| 2009 | Py_CLEAR(config->base_prefix); |
| 2010 | Py_CLEAR(config->exec_prefix); |
| 2011 | Py_CLEAR(config->base_exec_prefix); |
Victor Stinner | da27341 | 2017-12-15 01:46:02 +0100 | [diff] [blame] | 2012 | Py_CLEAR(config->warnoptions); |
| 2013 | Py_CLEAR(config->xoptions); |
Victor Stinner | 41264f1 | 2017-12-15 02:05:29 +0100 | [diff] [blame] | 2014 | Py_CLEAR(config->module_search_path); |
Victor Stinner | da27341 | 2017-12-15 01:46:02 +0100 | [diff] [blame] | 2015 | } |
| 2016 | |
| 2017 | |
| 2018 | static PyObject* |
| 2019 | config_copy_attr(PyObject *obj) |
| 2020 | { |
| 2021 | if (PyUnicode_Check(obj)) { |
| 2022 | Py_INCREF(obj); |
| 2023 | return obj; |
| 2024 | } |
| 2025 | else if (PyList_Check(obj)) { |
| 2026 | return PyList_GetSlice(obj, 0, Py_SIZE(obj)); |
| 2027 | } |
| 2028 | else if (PyDict_Check(obj)) { |
| 2029 | /* The dict type is used for xoptions. Make the assumption that keys |
| 2030 | and values are immutables */ |
| 2031 | return PyDict_Copy(obj); |
| 2032 | } |
| 2033 | else { |
| 2034 | PyErr_Format(PyExc_TypeError, |
| 2035 | "cannot copy config attribute of type %.200s", |
| 2036 | Py_TYPE(obj)->tp_name); |
| 2037 | return NULL; |
| 2038 | } |
| 2039 | } |
| 2040 | |
| 2041 | |
| 2042 | int |
| 2043 | _PyMainInterpreterConfig_Copy(_PyMainInterpreterConfig *config, |
| 2044 | const _PyMainInterpreterConfig *config2) |
| 2045 | { |
| 2046 | _PyMainInterpreterConfig_Clear(config); |
| 2047 | |
| 2048 | #define COPY_ATTR(ATTR) \ |
| 2049 | do { \ |
| 2050 | if (config2->ATTR != NULL) { \ |
| 2051 | config->ATTR = config_copy_attr(config2->ATTR); \ |
| 2052 | if (config->ATTR == NULL) { \ |
| 2053 | return -1; \ |
| 2054 | } \ |
| 2055 | } \ |
| 2056 | } while (0) |
| 2057 | |
| 2058 | COPY_ATTR(argv); |
Victor Stinner | 41264f1 | 2017-12-15 02:05:29 +0100 | [diff] [blame] | 2059 | COPY_ATTR(executable); |
| 2060 | COPY_ATTR(prefix); |
| 2061 | COPY_ATTR(base_prefix); |
| 2062 | COPY_ATTR(exec_prefix); |
| 2063 | COPY_ATTR(base_exec_prefix); |
Victor Stinner | da27341 | 2017-12-15 01:46:02 +0100 | [diff] [blame] | 2064 | COPY_ATTR(warnoptions); |
| 2065 | COPY_ATTR(xoptions); |
Victor Stinner | 41264f1 | 2017-12-15 02:05:29 +0100 | [diff] [blame] | 2066 | COPY_ATTR(module_search_path); |
Victor Stinner | da27341 | 2017-12-15 01:46:02 +0100 | [diff] [blame] | 2067 | #undef COPY_ATTR |
| 2068 | return 0; |
| 2069 | } |
| 2070 | |
| 2071 | |
| 2072 | |
| 2073 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2074 | static PyObject * |
| 2075 | config_create_path_list(const wchar_t *path, wchar_t delim) |
| 2076 | { |
| 2077 | int i, n; |
| 2078 | const wchar_t *p; |
| 2079 | PyObject *v; |
| 2080 | |
| 2081 | n = 1; |
| 2082 | p = path; |
| 2083 | while ((p = wcschr(p, delim)) != NULL) { |
| 2084 | n++; |
| 2085 | p++; |
| 2086 | } |
| 2087 | v = PyList_New(n); |
| 2088 | if (v == NULL) { |
| 2089 | return NULL; |
| 2090 | } |
| 2091 | for (i = 0; ; i++) { |
| 2092 | p = wcschr(path, delim); |
| 2093 | if (p == NULL) { |
| 2094 | p = path + wcslen(path); /* End of string */ |
| 2095 | } |
| 2096 | PyObject *w = PyUnicode_FromWideChar(path, (Py_ssize_t)(p - path)); |
| 2097 | if (w == NULL) { |
| 2098 | Py_DECREF(v); |
| 2099 | return NULL; |
| 2100 | } |
| 2101 | PyList_SET_ITEM(v, i, w); |
| 2102 | if (*p == '\0') { |
| 2103 | break; |
| 2104 | } |
| 2105 | path = p+1; |
| 2106 | } |
| 2107 | return v; |
| 2108 | } |
| 2109 | |
| 2110 | |
Victor Stinner | 41264f1 | 2017-12-15 02:05:29 +0100 | [diff] [blame] | 2111 | _PyInitError |
| 2112 | _PyMainInterpreterConfig_Read(_PyMainInterpreterConfig *config, _PyCoreConfig *core_config) |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2113 | { |
| 2114 | _PyInitError err = _PyPathConfig_Init(core_config); |
| 2115 | if (_Py_INIT_FAILED(err)) { |
| 2116 | return err; |
| 2117 | } |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2118 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2119 | /* Signal handlers are installed by default */ |
| 2120 | if (config->install_signal_handlers < 0) { |
| 2121 | config->install_signal_handlers = 1; |
| 2122 | } |
| 2123 | |
| 2124 | if (config->module_search_path == NULL && |
| 2125 | !core_config->_disable_importlib) |
Victor Stinner | 41264f1 | 2017-12-15 02:05:29 +0100 | [diff] [blame] | 2126 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2127 | { |
Victor Stinner | 41264f1 | 2017-12-15 02:05:29 +0100 | [diff] [blame] | 2128 | wchar_t *sys_path = Py_GetPath(); |
| 2129 | config->module_search_path = config_create_path_list(sys_path, DELIM); |
| 2130 | if (config->module_search_path == NULL) { |
| 2131 | return _Py_INIT_NO_MEMORY(); |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2132 | } |
| 2133 | } |
Victor Stinner | 41264f1 | 2017-12-15 02:05:29 +0100 | [diff] [blame] | 2134 | |
| 2135 | if (config->executable == NULL) { |
| 2136 | config->executable = PyUnicode_FromWideChar(Py_GetProgramFullPath(), -1); |
| 2137 | if (config->executable == NULL) { |
| 2138 | return _Py_INIT_NO_MEMORY(); |
| 2139 | } |
| 2140 | } |
| 2141 | |
| 2142 | if (config->prefix == NULL) { |
| 2143 | config->prefix = PyUnicode_FromWideChar(Py_GetPrefix(), -1); |
| 2144 | if (config->prefix == NULL) { |
| 2145 | return _Py_INIT_NO_MEMORY(); |
| 2146 | } |
| 2147 | } |
| 2148 | |
| 2149 | if (config->exec_prefix == NULL) { |
| 2150 | config->exec_prefix = PyUnicode_FromWideChar(Py_GetExecPrefix(), -1); |
| 2151 | if (config->exec_prefix == NULL) { |
| 2152 | return _Py_INIT_NO_MEMORY(); |
| 2153 | } |
| 2154 | } |
| 2155 | |
| 2156 | if (config->base_prefix == NULL) { |
| 2157 | Py_INCREF(config->prefix); |
| 2158 | config->base_prefix = config->prefix; |
| 2159 | } |
| 2160 | |
| 2161 | if (config->base_exec_prefix == NULL) { |
| 2162 | Py_INCREF(config->exec_prefix); |
| 2163 | config->base_exec_prefix = config->exec_prefix; |
| 2164 | } |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2165 | return _Py_INIT_OK(); |
| 2166 | } |
| 2167 | |
| 2168 | |
| 2169 | static int |
| 2170 | pymain_init_python_core(_PyMain *pymain) |
| 2171 | { |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 2172 | pymain_set_global_config(pymain); |
| 2173 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2174 | pymain_init_stdio(pymain); |
| 2175 | |
| 2176 | pymain->err = _Py_InitializeCore(&pymain->core_config); |
| 2177 | if (_Py_INIT_FAILED(pymain->err)) { |
| 2178 | return -1; |
| 2179 | } |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2180 | return 0; |
| 2181 | } |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2182 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2183 | |
| 2184 | static int |
| 2185 | pymain_init_python_main(_PyMain *pymain) |
| 2186 | { |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 2187 | if (pymain_init_xoptions_dict(pymain)) { |
| 2188 | pymain->err = _Py_INIT_NO_MEMORY(); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2189 | return -1; |
| 2190 | } |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 2191 | if (pymain_init_warnoptions(pymain)) { |
| 2192 | pymain->err = _Py_INIT_NO_MEMORY(); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2193 | return -1; |
| 2194 | } |
Victor Stinner | 374c6e1 | 2017-12-14 12:05:26 +0100 | [diff] [blame] | 2195 | if (pymain_init_argv(pymain) < 0) { |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2196 | pymain->err = _Py_INIT_ERR("failed to create sys.argv"); |
| 2197 | return -1; |
| 2198 | } |
| 2199 | |
| 2200 | _PyInitError err = _PyMainInterpreterConfig_Read(&pymain->config, |
| 2201 | &pymain->core_config); |
| 2202 | if (_Py_INIT_FAILED(err)) { |
| 2203 | pymain->err = err; |
| 2204 | return -1; |
| 2205 | } |
| 2206 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2207 | if (pymain_init_main_interpreter(pymain)) { |
| 2208 | return -1; |
| 2209 | } |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 2210 | |
| 2211 | if (pymain->cmdline.filename != NULL) { |
| 2212 | /* If filename is a package (ex: directory or ZIP file) which contains |
| 2213 | __main__.py, main_importer_path is set to filename and will be |
| 2214 | prepended to sys.path by pymain_run_main_from_importer(). Otherwise, |
| 2215 | main_importer_path is set to NULL. */ |
| 2216 | pymain->main_importer_path = pymain_get_importer(pymain->cmdline.filename); |
| 2217 | } |
| 2218 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2219 | if (pymain_update_sys_path(pymain) < 0) { |
Victor Stinner | d5dda98 | 2017-12-13 17:31:16 +0100 | [diff] [blame] | 2220 | return -1; |
| 2221 | } |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2222 | return 0; |
| 2223 | } |
| 2224 | |
| 2225 | |
| 2226 | static void |
| 2227 | pymain_run_python(_PyMain *pymain) |
| 2228 | { |
| 2229 | _Py_CommandLineDetails *cmdline = &pymain->cmdline; |
| 2230 | |
| 2231 | pymain_header(pymain); |
| 2232 | pymain_import_readline(pymain); |
| 2233 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2234 | if (cmdline->command) { |
| 2235 | pymain->status = pymain_run_command(cmdline->command, &pymain->cf); |
| 2236 | } |
| 2237 | else if (cmdline->module) { |
| 2238 | pymain->status = (pymain_run_module(cmdline->module, 1) != 0); |
| 2239 | } |
| 2240 | else { |
| 2241 | pymain_run_filename(pymain); |
| 2242 | } |
| 2243 | pymain_repl(pymain); |
| 2244 | } |
| 2245 | |
| 2246 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2247 | static int |
| 2248 | pymain_init(_PyMain *pymain) |
| 2249 | { |
| 2250 | pymain->err = _PyRuntime_Initialize(); |
| 2251 | if (_Py_INIT_FAILED(pymain->err)) { |
| 2252 | return -1; |
| 2253 | } |
| 2254 | |
Victor Stinner | 91106cd | 2017-12-13 12:29:09 +0100 | [diff] [blame] | 2255 | pymain->core_config.utf8_mode = Py_UTF8Mode; |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2256 | pymain->core_config._disable_importlib = 0; |
Victor Stinner | e32e79f | 2017-11-23 01:49:45 +0100 | [diff] [blame] | 2257 | pymain->config.install_signal_handlers = 1; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2258 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2259 | orig_argc = pymain->argc; /* For Py_GetArgcArgv() */ |
| 2260 | orig_argv = pymain->argv; |
| 2261 | return 0; |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2262 | } |
| 2263 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2264 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2265 | static int |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2266 | pymain_impl(_PyMain *pymain) |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2267 | { |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2268 | int res = pymain_init(pymain); |
| 2269 | if (res < 0) { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2270 | return -1; |
| 2271 | } |
| 2272 | |
Victor Stinner | 6bf992a | 2017-12-06 17:26:10 +0100 | [diff] [blame] | 2273 | pymain_get_global_config(pymain); |
| 2274 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2275 | res = pymain_parse_cmdline_envvars(pymain); |
| 2276 | if (res < 0) { |
| 2277 | return -1; |
| 2278 | } |
| 2279 | if (res > 0) { |
| 2280 | /* --help or --version command: we are done */ |
| 2281 | return 0; |
| 2282 | } |
| 2283 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2284 | res = pymain_init_python_core(pymain); |
| 2285 | if (res < 0) { |
| 2286 | return -1; |
| 2287 | } |
| 2288 | |
| 2289 | res = pymain_init_python_main(pymain); |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2290 | if (res < 0) { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2291 | return -1; |
| 2292 | } |
| 2293 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2294 | pymain_run_python(pymain); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2295 | |
Victor Stinner | b5fd9ad | 2017-12-14 02:20:52 +0100 | [diff] [blame] | 2296 | pymain_free_python(pymain); |
| 2297 | |
Martin Panter | b4ce1fc | 2015-11-30 03:18:29 +0000 | [diff] [blame] | 2298 | if (Py_FinalizeEx() < 0) { |
| 2299 | /* Value unlikely to be confused with a non-error exit status or |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2300 | other special meaning */ |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2301 | pymain->status = 120; |
Martin Panter | b4ce1fc | 2015-11-30 03:18:29 +0000 | [diff] [blame] | 2302 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2303 | return 0; |
| 2304 | } |
Barry Warsaw | 3e13b1e | 2001-02-23 16:46:39 +0000 | [diff] [blame] | 2305 | |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2306 | |
| 2307 | int |
| 2308 | Py_Main(int argc, wchar_t **argv) |
| 2309 | { |
| 2310 | _PyMain pymain = _PyMain_INIT; |
| 2311 | memset(&pymain.cmdline, 0, sizeof(pymain.cmdline)); |
| 2312 | pymain.argc = argc; |
| 2313 | pymain.argv = argv; |
| 2314 | |
Victor Stinner | a7368ac | 2017-11-15 18:11:45 -0800 | [diff] [blame] | 2315 | if (pymain_impl(&pymain) < 0) { |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2316 | _Py_FatalInitError(pymain.err); |
| 2317 | } |
Victor Stinner | f7e5b56 | 2017-11-15 15:48:08 -0800 | [diff] [blame] | 2318 | pymain_free(&pymain); |
| 2319 | |
| 2320 | return pymain.status; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 2321 | } |
| 2322 | |
Skip Montanaro | 786ea6b | 2004-03-01 15:44:05 +0000 | [diff] [blame] | 2323 | /* this is gonna seem *real weird*, but if you put some other code between |
| 2324 | Py_Main() and Py_GetArgcArgv() you will need to adjust the test in the |
| 2325 | while statement in Misc/gdbinit:ppystack */ |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 2326 | |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 2327 | /* Make the *original* argc/argv available to other modules. |
| 2328 | This is rare, but it is needed by the secureware extension. */ |
| 2329 | |
| 2330 | void |
Martin v. Löwis | 790465f | 2008-04-05 20:41:37 +0000 | [diff] [blame] | 2331 | Py_GetArgcArgv(int *argc, wchar_t ***argv) |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 2332 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 2333 | *argc = orig_argc; |
| 2334 | *argv = orig_argv; |
Guido van Rossum | 667d704 | 1995-08-04 04:20:48 +0000 | [diff] [blame] | 2335 | } |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 2336 | |
| 2337 | #ifdef __cplusplus |
| 2338 | } |
| 2339 | #endif |