added ImportModules options

Author: Roberto De Ioris

Source/UnrealEnginePython/Private/UnrealEnginePython.cpp

@@ -262,6 +262,8 @@ void FUnrealEnginePythonModule::StartupModule()
 		Py_SetPythonHome(home);
 	}
 
+	TArray<FString> ImportModules;
+
 	FString IniValue;
 	if (GConfig->GetString(UTF8_TO_TCHAR("Python"), UTF8_TO_TCHAR("ProgramName"), IniValue, GEngineIni))
 	{
@@ -316,6 +318,12 @@ void FUnrealEnginePythonModule::StartupModule()
 		ZipPath = FPaths::Combine(*PROJECT_CONTENT_DIR, *IniValue);
 	}
 
+	if (GConfig->GetString(UTF8_TO_TCHAR("Python"), UTF8_TO_TCHAR("ImportModules"), IniValue, GEngineIni))
+	{
+		const TCHAR* separators[] = { TEXT(" "), TEXT(";"), TEXT(",") };
+		IniValue.ParseIntoArray(ImportModules, separators, 3);
+	}
+
 	FString ProjectScriptsPath = FPaths::Combine(*PROJECT_CONTENT_DIR, UTF8_TO_TCHAR("Scripts"));
 	if (!FPaths::DirectoryExists(ProjectScriptsPath))
 	{
@@ -480,6 +488,19 @@ void FUnrealEnginePythonModule::StartupModule()
 #endif
 	}
 
+
+	for (FString ImportModule : ImportModules)
+	{
+		if (PyImport_ImportModule(TCHAR_TO_UTF8(*ImportModule)))
+		{
+			UE_LOG(LogPython, Log, TEXT("%s Python module successfully imported"), *ImportModule);
+		}
+		else
+		{
+			unreal_engine_py_log_error();
+		}
+	}
+
 	// release the GIL
 	PyThreadState *UEPyGlobalState = PyEval_SaveThread();
 }