cpython/Modules/config.c.in

/* Configurable Python configuration file */

#include <stdio.h>

#ifdef USE_STDWIN
#include <stdwin.h>

static int use_stdwin;
#endif

/*ARGSUSED*/
void
initargs(p_argc, p_argv)
	int *p_argc;
	char ***p_argv;
{
#ifdef USE_STDWIN
	extern char *getenv();
	char *display;

	/* Ignore an initial argument of '-s', for backward compatibility */
	if (*p_argc > 1 && strcmp((*p_argv)[1], "-s") == 0) {
		(*p_argv)[1] = (*p_argv)[0];
		(*p_argc)--, (*p_argv)++;
	}

	/* Assume we have to initialize stdwin if either of the following
	   conditions holds:
	   - the environment variable $DISPLAY is set
	   - there is an argument "-display" somewhere
	*/
	
	display = getenv("DISPLAY");
	if (display != 0)
		use_stdwin = 1;
	else {
		int i;
		/* Scan through the arguments looking for "-display" */
		for (i = 1; i < *p_argc; i++) {
			if (strcmp((*p_argv)[i], "-display") == 0) {
				use_stdwin = 1;
				break;
			}
		}
	}
	
	if (use_stdwin)
		wargs(p_argc, p_argv);
#endif
}

void
initcalls()
{
}

void
donecalls()
{
#ifdef USE_STDWIN
	if (use_stdwin)
		wdone();
#endif
#ifdef USE_AUDIO
	asa_done();
#endif
}

#ifdef USE_STDWIN
static void
maybeinitstdwin()
{
	if (use_stdwin)
		initstdwin();
	else
		fprintf(stderr,
		 "No $DISPLAY nor -display arg -- stdwin not available\n");
}
#endif

#ifndef PYTHONPATH
#define PYTHONPATH ".:/usr/local/lib/python"
#endif

extern char *getenv();

char *
getpythonpath()
{
	char *path = getenv("PYTHONPATH");
	if (path == 0)
		path = PYTHONPATH;
	return path;
}


/* Table of built-in modules.
   These are initialized when first imported. */

/* Standard modules */
extern void inittime();
extern void initmath();
extern void initregexp();
extern void initposix();
#ifdef USE_AUDIO
extern void initaudio();
#endif
#ifdef USE_AMOEBA
extern void initamoeba();
#endif
#ifdef USE_GL
extern void initgl();
#ifdef USE_PANEL
extern void initpanel();
#endif
#endif
#ifdef USE_STDWIN
extern void maybeinitstdwin();
#endif

struct {
	char *name;
	void (*initfunc)();
} inittab[] = {

	/* Standard modules */

	{"time",	inittime},
	{"math",	initmath},
	{"regexp",	initregexp},
	{"posix",	initposix},


	/* Optional modules */

#ifdef USE_AUDIO
	{"audio",	initaudio},
#endif

#ifdef USE_AMOEBA
	{"amoeba",	initamoeba},
#endif

#ifdef USE_GL
	{"gl",		initgl},
#ifdef USE_PANEL
	{"pnl",		initpanel},
#endif
#endif

#ifdef USE_STDWIN
	{"stdwin",	maybeinitstdwin},
#endif

	{0,		0}		/* Sentinel */
};