main.c revision fe4dfc7ce3b27b8c1fce6de2321f20ac3bd9ce93
1667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/*********************************************************** 2667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van RossumCopyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam, 3667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van RossumThe Netherlands. 4667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 5667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum All Rights Reserved 6667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 7d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumPermission to use, copy, modify, and distribute this software and its 8d266eb460e20ded087d01a29da0a230e235afc40Guido van Rossumdocumentation for any purpose and without fee is hereby granted, 9667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumprovided that the above copyright notice appear in all copies and that 10d266eb460e20ded087d01a29da0a230e235afc40Guido van Rossumboth that copyright notice and this permission notice appear in 11667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumsupporting documentation, and that the names of Stichting Mathematisch 12d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumCentrum or CWI or Corporation for National Research Initiatives or 13d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumCNRI not be used in advertising or publicity pertaining to 14d266eb460e20ded087d01a29da0a230e235afc40Guido van Rossumdistribution of the software without specific, written prior 15d266eb460e20ded087d01a29da0a230e235afc40Guido van Rossumpermission. 16667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 17d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumWhile CWI is the initial source for this software, a modified version 18d266eb460e20ded087d01a29da0a230e235afc40Guido van Rossumis made available by the Corporation for National Research Initiatives 19d266eb460e20ded087d01a29da0a230e235afc40Guido van Rossum(CNRI) at the Internet address ftp://ftp.python.org. 20d266eb460e20ded087d01a29da0a230e235afc40Guido van Rossum 21d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumSTICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH 22d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumREGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF 23d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumMERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH 24d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumCENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL 25d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumDAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR 26d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumPROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER 27d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumTORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR 28d266eb460e20ded087d01a29da0a230e235afc40Guido van RossumPERFORMANCE OF THIS SOFTWARE. 29667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 30667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum******************************************************************/ 31667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 32667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Python interpreter main program */ 33667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 34667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum#include "Python.h" 35667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 3666a7013c5cc85b84347f93c0d6e61594d230985aGuido van Rossum#ifdef HAVE_UNISTD_H 3766a7013c5cc85b84347f93c0d6e61594d230985aGuido van Rossum#include <unistd.h> 3866a7013c5cc85b84347f93c0d6e61594d230985aGuido van Rossum#endif 39667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 403e7ae7ab173effc320b05a3d5a9fde7eac706771Guido van Rossum#ifdef MS_WINDOWS 413e7ae7ab173effc320b05a3d5a9fde7eac706771Guido van Rossum#include <fcntl.h> 423e7ae7ab173effc320b05a3d5a9fde7eac706771Guido van Rossum#endif 433e7ae7ab173effc320b05a3d5a9fde7eac706771Guido van Rossum 44667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Interface to getopt(): */ 45667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumextern int optind; 46667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumextern char *optarg; 47667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumextern int getopt(); /* PROTO((int, char **, char *)); -- not standardized */ 48667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 49667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 50667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Subroutines that live in their own file */ 51582646aecc3776109b784e1638849ea9c6389a55Guido van Rossumextern char *Py_GetVersion(); 52fe4dfc7ce3b27b8c1fce6de2321f20ac3bd9ce93Guido van Rossumextern char *Py_GetPlatform(); 53582646aecc3776109b784e1638849ea9c6389a55Guido van Rossumextern char *Py_GetCopyright(); 54667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 55667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 56ac56b03f9a931423714ab3a0e8cfae78f81f9b85Guido van Rossum/* For Py_GetProgramName(); set by main() */ 57667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumstatic char *argv0; 58667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 59ac56b03f9a931423714ab3a0e8cfae78f81f9b85Guido van Rossum/* For Py_GetArgcArgv(); set by main() */ 60667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumstatic char **orig_argv; 61667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumstatic int orig_argc; 62667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 63667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Short usage message (with %s for argv0) */ 64667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumstatic char *usage_line = 657614da6b8743f1076dc68f130684b79bf4a78c0cGuido van Rossum"usage: %s [-d] [-i] [-O] [-s] [-u] [-v] [-c cmd | file | -] [arg] ...\n"; 66667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 67667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Long usage message, split into parts < 512 bytes */ 68667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumstatic char *usage_top = "\n\ 69667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van RossumOptions and arguments (and corresponding environment variables):\n\ 70667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum-d : debug output from parser (also PYTHONDEBUG=x)\n\ 71775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum-i : inspect interactively after running script, (also PYTHONINSPECT=x)\n\ 72775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum and force prompts, even if stdin does not appear to be a terminal.\n\ 737614da6b8743f1076dc68f130684b79bf4a78c0cGuido van Rossum-O : optimize generated bytecode (a tad).\n\ 74667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum-s : suppress printing of top level expressions (also PYTHONSUPPRESS=x)\n\ 75667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum-u : unbuffered stdout and stderr (also PYTHONUNBUFFERED=x)\n\ 76667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum-v : verbose (trace import statements) (also PYTHONVERBOSE=x)\n\ 77667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum"; 78667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumstatic char *usage_bot = "\ 79775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum-c cmd : program passed in as string (terminates option list)\n\ 80667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumfile : program read from script file\n\ 81667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum- : program read from stdin (default; interactive mode if a tty)\n\ 82667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumarg ...: arguments passed to program in sys.argv[1:]\n\ 83667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum\n\ 84667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van RossumOther environment variables:\n\ 85667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van RossumPYTHONSTARTUP: file executed on interactive startup (no default)\n\ 86667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van RossumPYTHONPATH : colon-separated list of directories prefixed to the\n\ 87667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum default module search path. The result is sys.path.\n\ 8803ef6478476c284d3e60d81150610f44290b8d79Guido van RossumPYTHONHOME : alternate <prefix> directory (or <prefix>:<exec_prefix>).\n\ 8903ef6478476c284d3e60d81150610f44290b8d79Guido van Rossum The default module search path uses <prefix>/lib/python1.5.\n\ 90667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum"; 91667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 92667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 93667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Main program */ 94667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 95667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumint 96667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossummain(argc, argv) 97667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum int argc; 98667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum char **argv; 99667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum{ 100667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum int c; 101667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum int sts; 102667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum char *command = NULL; 103667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum char *filename = NULL; 104667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum FILE *fp = stdin; 105667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum char *p; 106667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum int inspect = 0; 107667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum int unbuffered = 0; 108775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum int stdin_is_interactive = 0; 109667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 110ac56b03f9a931423714ab3a0e8cfae78f81f9b85Guido van Rossum orig_argc = argc; /* For Py_GetArgcArgv() */ 111667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum orig_argv = argv; 112ac56b03f9a931423714ab3a0e8cfae78f81f9b85Guido van Rossum argv0 = argv[0]; /* For Py_GetProgramName() */ 113667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 114667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if ((p = getenv("PYTHONDEBUG")) && *p != '\0') 115667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum Py_DebugFlag = 1; 116667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if ((p = getenv("PYTHONSUPPRESS")) && *p != '\0') 117667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum Py_SuppressPrintingFlag = 1; 118667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if ((p = getenv("PYTHONVERBOSE")) && *p != '\0') 119667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum Py_VerboseFlag = 1; 120667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if ((p = getenv("PYTHONINSPECT")) && *p != '\0') 121667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum inspect = 1; 122667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if ((p = getenv("PYTHONUNBUFFERED")) && *p != '\0') 123667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum unbuffered = 1; 124667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 1257614da6b8743f1076dc68f130684b79bf4a78c0cGuido van Rossum while ((c = getopt(argc, argv, "c:diOsuv")) != EOF) { 126667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if (c == 'c') { 127667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum /* -c is the last option; following arguments 128667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum that look like options are left for the 129667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum the command to interpret. */ 130667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum command = malloc(strlen(optarg) + 2); 131667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if (command == NULL) 132667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum Py_FatalError( 133667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum "not enough memory to copy -c argument"); 134667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum strcpy(command, optarg); 135667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum strcat(command, "\n"); 136667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum break; 137667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum } 138667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 139667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum switch (c) { 140667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 141667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum case 'd': 142667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum Py_DebugFlag++; 143667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum break; 144667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 145667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum case 'i': 146667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum inspect++; 147775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum Py_InteractiveFlag++; 148667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum break; 149667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 1507614da6b8743f1076dc68f130684b79bf4a78c0cGuido van Rossum case 'O': 1517614da6b8743f1076dc68f130684b79bf4a78c0cGuido van Rossum Py_OptimizeFlag++; 1527614da6b8743f1076dc68f130684b79bf4a78c0cGuido van Rossum break; 1537614da6b8743f1076dc68f130684b79bf4a78c0cGuido van Rossum 154667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum case 's': 155667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum Py_SuppressPrintingFlag++; 156667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum break; 157667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 158667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum case 'u': 159667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum unbuffered++; 160667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum break; 161667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 162667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum case 'v': 163667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum Py_VerboseFlag++; 164667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum break; 165667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 166667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum /* This space reserved for other options */ 167667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 168667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum default: 169667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum fprintf(stderr, usage_line, argv[0]); 170667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum fprintf(stderr, usage_top); 171667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum fprintf(stderr, usage_bot); 172667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum exit(2); 173667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum /*NOTREACHED*/ 174667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 175667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum } 176667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum } 177667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 178775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum if (command == NULL && optind < argc && 179775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum strcmp(argv[optind], "-") != 0) 180775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum { 181775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum filename = argv[optind]; 182775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum if (filename != NULL) { 183775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum if ((fp = fopen(filename, "r")) == NULL) { 184775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum fprintf(stderr, "%s: can't open file '%s'\n", 185775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum argv[0], filename); 186775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum exit(2); 187775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum } 188775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum } 189775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum } 190775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum 191775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum stdin_is_interactive = Py_FdIsInteractive(stdin, (char *)0); 192775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum 193667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if (unbuffered) { 194f22d7e2c69f9095edc2703483ec11a3b7ff931f5Guido van Rossum#ifdef MS_WINDOWS 1953e7ae7ab173effc320b05a3d5a9fde7eac706771Guido van Rossum _setmode(fileno(stdin), O_BINARY); 1963e7ae7ab173effc320b05a3d5a9fde7eac706771Guido van Rossum _setmode(fileno(stdout), O_BINARY); 197f22d7e2c69f9095edc2703483ec11a3b7ff931f5Guido van Rossum#endif 198667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum#ifndef MPW 199775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum setvbuf(stdin, (char *)NULL, _IONBF, BUFSIZ); 200775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ); 201775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum setvbuf(stderr, (char *)NULL, _IONBF, BUFSIZ); 202667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum#else 203667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum /* On MPW (3.2) unbuffered seems to hang */ 204775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum setvbuf(stdin, (char *)NULL, _IOLBF, BUFSIZ); 205667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum setvbuf(stdout, (char *)NULL, _IOLBF, BUFSIZ); 206667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum setvbuf(stderr, (char *)NULL, _IOLBF, BUFSIZ); 207667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum#endif 208667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum } 2092a212191f8bd19c2deab88764b894dd31f39af78Guido van Rossum else if (Py_InteractiveFlag) { 210b31c7dcb43307b57917150d60a64856d5a845fa7Guido van Rossum#ifdef MS_WINDOWS 211b31c7dcb43307b57917150d60a64856d5a845fa7Guido van Rossum /* Doesn't have to have line-buffered -- use unbuffered */ 212b31c7dcb43307b57917150d60a64856d5a845fa7Guido van Rossum setvbuf(stdin, (char *)NULL, _IONBF, BUFSIZ); 213b31c7dcb43307b57917150d60a64856d5a845fa7Guido van Rossum setvbuf(stdout, (char *)NULL, _IONBF, BUFSIZ); 214b31c7dcb43307b57917150d60a64856d5a845fa7Guido van Rossum#else 215b31c7dcb43307b57917150d60a64856d5a845fa7Guido van Rossum setvbuf(stdin, (char *)NULL, _IOLBF, BUFSIZ); 216b31c7dcb43307b57917150d60a64856d5a845fa7Guido van Rossum setvbuf(stdout, (char *)NULL, _IOLBF, BUFSIZ); 217b31c7dcb43307b57917150d60a64856d5a845fa7Guido van Rossum#endif 218775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum /* Leave stderr alone - it should be unbuffered anyway. */ 219775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum } 220667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 221667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if (Py_VerboseFlag || 222129e91aa77b22db1637e9f6db9e081a4a0c9f2a1Guido van Rossum (command == NULL && filename == NULL && stdin_is_interactive)) 223fe4dfc7ce3b27b8c1fce6de2321f20ac3bd9ce93Guido van Rossum fprintf(stderr, "Python %s on %s\n%s\n", 224fe4dfc7ce3b27b8c1fce6de2321f20ac3bd9ce93Guido van Rossum Py_GetVersion(), Py_GetPlatform(), Py_GetCopyright()); 225667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 226667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum Py_Initialize(); 227667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 228667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if (command != NULL) { 229667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum /* Backup optind and force sys.argv[0] = '-c' */ 230667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum optind--; 231667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum argv[optind] = "-c"; 232667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum } 233667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 234667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum PySys_SetArgv(argc-optind, argv+optind); 235667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 236667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if (command) { 237667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum sts = PyRun_SimpleString(command) != 0; 238667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum } 239667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum else { 240775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum if (filename == NULL && stdin_is_interactive) { 241667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum char *startup = getenv("PYTHONSTARTUP"); 242667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if (startup != NULL && startup[0] != '\0') { 243667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum FILE *fp = fopen(startup, "r"); 244667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if (fp != NULL) { 245667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum (void) PyRun_SimpleFile(fp, startup); 246667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum PyErr_Clear(); 247667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum fclose(fp); 248667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum } 249667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum } 250667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum } 251667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum sts = PyRun_AnyFile( 252775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum fp, 253775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum filename == NULL ? "<stdin>" : filename) != 0; 254667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum if (filename != NULL) 255667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum fclose(fp); 256667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum } 257667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 258775af9191149059bf5ebfcda6dd9bf0251ce511aGuido van Rossum if (inspect && stdin_is_interactive && 259667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum (filename != NULL || command != NULL)) 260667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum sts = PyRun_AnyFile(stdin, "<stdin>") != 0; 261667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 262667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum Py_Exit(sts); 263a376cc5cc86c62f912886c4002ed1a9b3b213b88Guido van Rossum return 0; /* Make gcc -Wall happy */ 264667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum} 265667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 266667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 2678026febbd678ab132b96f96314b6fd222f4082c6Guido van Rossum/* Return the program name -- some code out there needs this 2688026febbd678ab132b96f96314b6fd222f4082c6Guido van Rossum (currently _tkinter.c and importdl.c). */ 269667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 270667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumchar * 271ac56b03f9a931423714ab3a0e8cfae78f81f9b85Guido van RossumPy_GetProgramName() 272667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum{ 273667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum return argv0; 274667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum} 275667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 276667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 277667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum/* Make the *original* argc/argv available to other modules. 278667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum This is rare, but it is needed by the secureware extension. */ 279667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum 280667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossumvoid 281ac56b03f9a931423714ab3a0e8cfae78f81f9b85Guido van RossumPy_GetArgcArgv(argc, argv) 282667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum int *argc; 283667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum char ***argv; 284667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum{ 285667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum *argc = orig_argc; 286667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum *argv = orig_argv; 287667d704997f26a1a22f4e981bbb3c2f8399cfc41Guido van Rossum} 288