Minor Changes

- Improve startup debugging of python errors
- Fix issue with multiprocessing in newer python versions

cocoa/dg_cocoa.py

@@ -6,6 +6,10 @@
 
 import codecs, io, locale
 
+# Force multiprocessing to use fork instead of spawn (as spawn currently causes issues)
+import multiprocessing
+multiprocessing.set_start_method('fork')
+
 from hscommon.trans import install_gettext_trans_under_cocoa
 install_gettext_trans_under_cocoa()
 
@@ -16,4 +20,4 @@ from inter.app import PyDupeGuru
 
 # When built under virtualenv, the dependency collector misses this module, so we have to force it
 # to see the module.
-import distutils.sysconfig
+import distutils.sysconfig

cocoa/main.m

@@ -25,14 +25,17 @@ int main(int argc, char *argv[])
     Py_Initialize();
     PyGILState_STATE gilState = PyGILState_Ensure();
     FILE* fp = fopen([mainpy UTF8String], "r");
-    PyRun_SimpleFile(fp, [mainpy UTF8String]);
+    int result = PyRun_SimpleFile(fp, [mainpy UTF8String]);
+    if (result != 0) {
+        return result;
+    }
     fclose(fp);
     PyGILState_Release(gilState);
     if (gilState == PyGILState_LOCKED) {
         PyThreadState_Swap(NULL);
         PyEval_ReleaseLock();
     }
-    int result = NSApplicationMain(argc,  (const char **) argv);
+    result = NSApplicationMain(argc,  (const char **) argv);
     Py_Finalize();
     return result;
 }