Enabling UMG Widgets in python

  -Adding take_widget to enable using UMG Widgets inside of PythonBlueprintFunctionLibrary
  -Adding BPFL to execute ptyhon string
  -Binding py.exec to console command to run python scripts from in-game console

Author: ikrima

Source/UnrealEnginePython/Private/PythonBlueprintFunctionLibrary.cpp

@@ -6,3 +6,9 @@ void UPythonBlueprintFunctionLibrary::ExecutePythonScript(FString script) {
 	FUnrealEnginePythonModule &PythonModule = FModuleManager::GetModuleChecked<FUnrealEnginePythonModule>("UnrealEnginePython");
 	PythonModule.RunFile(TCHAR_TO_UTF8(*script));
 }
+
+void UPythonBlueprintFunctionLibrary::ExecutePythonString(const FString& PythonCmd)
+{
+    FUnrealEnginePythonModule &PythonModule = FModuleManager::GetModuleChecked<FUnrealEnginePythonModule>("UnrealEnginePython");
+    PythonModule.RunString(TCHAR_TO_UTF8(*PythonCmd));
+}

Source/UnrealEnginePython/Private/UEPyModule.cpp

@@ -22,6 +22,7 @@
 #include "UEPyAudio.h"
 #include "UEPySequencer.h"
 #include "UEPyViewport.h"
+#include "UEPyWidget.h"
 #include "UEPyWidgetComponent.h"
 
 #include "UEPyPackage.h"
@@ -566,6 +567,9 @@ static PyMethodDef ue_PyUObject_methods[] = {
 	{ "get_world_location_at_distance_along_spline", (PyCFunction)py_ue_get_world_location_at_distance_along_spline, METH_VARARGS, "" },
 	{ "get_spline_length", (PyCFunction)py_ue_get_spline_length, METH_VARARGS, "" },
 
+    // Widget
+    { "take_widget", (PyCFunction)py_ue_take_widget, METH_VARARGS, "" },
+
 	// WidgetComponent
 	{ "set_slate_widget", (PyCFunction)py_ue_set_slate_widget, METH_VARARGS, "" },
 

Source/UnrealEnginePython/Private/UEPyWidget.cpp

@@ -0,0 +1,18 @@
+#include "UnrealEnginePythonPrivatePCH.h"
+
+
+#include "Runtime/UMG/Public/Components/Widget.h"
+
+
+PyObject *py_ue_take_widget(ue_PyUObject * self, PyObject * args) {
+
+	ue_py_check(self);
+
+    UWidget *widget = ue_py_check_type<UWidget>(self);
+	if (!widget)
+		return PyErr_Format(PyExc_Exception, "uobject is not a UWidget");
+
+	ue_PySWidget *s_widget = ue_py_get_swidget(widget->TakeWidget());
+
+    return (PyObject *)s_widget;
+}

Source/UnrealEnginePython/Private/UEPyWidget.h

@@ -0,0 +1,7 @@
+#pragma once
+
+
+#include "UnrealEnginePython.h"
+
+
+PyObject *py_ue_take_widget(ue_PyUObject *, PyObject *);

Source/UnrealEnginePython/Private/UnrealEnginePython.cpp

@@ -1,6 +1,8 @@
 // Copyright 1998-2016 Epic Games, Inc. All Rights Reserved.
 
 #include "UnrealEnginePythonPrivatePCH.h"
+#include "PythonBlueprintFunctionLibrary.h"
+#include "HAL/IConsoleManager.h"
 
 void unreal_engine_init_py_module();
 
@@ -107,6 +109,26 @@ static void setup_stdout_stderr() {
 	PyRun_SimpleString(code);
 }
 
+namespace {
+    static void consoleExecScript(const TArray<FString>& Args)
+    {
+        if (Args.Num() != 1)
+        {
+            UE_LOG(LogPython, Warning, TEXT("Usage: 'py.exec <scriptname>'."));
+            UE_LOG(LogPython, Warning, TEXT("  scriptname: Name of script, must reside in Scripts folder. Ex: myscript.py"));
+        }
+        else
+        {
+            UPythonBlueprintFunctionLibrary::ExecutePythonScript(Args[0]);
+        }
+    }
+
+}
+FAutoConsoleCommand ExecPythonScriptCommand(
+    TEXT("py.exec"),
+    *NSLOCTEXT("UnrealEnginePython", "CommandText_Exec", "Execute python script").ToString(),
+    FConsoleCommandWithArgsDelegate::CreateStatic(consoleExecScript));
+
 void FUnrealEnginePythonModule::StartupModule()
 {
 	// This code will execute after your module is loaded into memory; the exact timing is specified in the .uplugin file per-module

Source/UnrealEnginePython/Public/PythonBlueprintFunctionLibrary.h

@@ -11,7 +11,10 @@ class UNREALENGINEPYTHON_API UPythonBlueprintFunctionLibrary : public UBlueprint
 	GENERATED_BODY()
 
 public:
-	UFUNCTION(BlueprintCallable, Category = "Python")
+	UFUNCTION(BlueprintCallable, Exec, Category = "Python")
 	static void ExecutePythonScript(FString script);
+
+    UFUNCTION(BlueprintCallable, Exec, Category = "Python")
+    static void ExecutePythonString(const FString& PythonCmd);
 };