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// main.m
// Created by Dav Glass on 6/25/09.
// Copyright __MyCompanyName__ 2009. All rights reserved.
#import <Python/Python.h>
#import <Cocoa/Cocoa.h>
int main(int argc, char *argv[])
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
NSBundle *mainBundle = [NSBundle mainBundle];
NSString *resourcePath = [mainBundle resourcePath];
NSArray *pythonPathArray = [NSArray arrayWithObjects: resourcePath, [resourcePath stringByAppendingPathComponent:@"PyObjC"], nil];
setenv("PYTHONPATH", [[pythonPathArray componentsJoinedByString:@":"] UTF8String], 1);
NSArray *possibleMainExtensions = [NSArray arrayWithObjects: @"py", @"pyc", @"pyo", nil];
NSString *mainFilePath = nil;
for (NSString *possibleMainExtension in possibleMainExtensions) {
mainFilePath = [mainBundle pathForResource: @"main" ofType: possibleMainExtension];
if ( mainFilePath != nil ) break;
if ( !mainFilePath ) {
[NSException raise: NSInternalInconsistencyException format: @"%s:%d main() Failed to find the Main.{py,pyc,pyo} file in the application wrapper's Resources directory.", __FILE__, __LINE__];
PySys_SetArgv(argc, (char **)argv);
const char *mainFilePathPtr = [mainFilePath UTF8String];
FILE *mainFile = fopen(mainFilePathPtr, "r");
int result = PyRun_SimpleFile(mainFile, (char *)[[mainFilePath lastPathComponent] UTF8String]);
if ( result != 0 )
[NSException raise: NSInternalInconsistencyException
format: @"%s:%d main() PyRun_SimpleFile failed with file '%@'. See console for errors.", __FILE__, __LINE__, mainFilePath];
[pool drain];
return result;