You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
3.9 KiB
C++
90 lines
3.9 KiB
C++
/*
|
|
* Copyright (c) Contributors to the Open 3D Engine Project.
|
|
* For complete copyright and license terms please see the LICENSE at the root of this distribution.
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0 OR MIT
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
#include <EditorPythonBindings/EditorPythonBindingsSymbols.h>
|
|
|
|
#include <AzCore/Component/Component.h>
|
|
#include <AzCore/std/containers/unordered_set.h>
|
|
#include <AzToolsFramework/API/EditorPythonConsoleBus.h>
|
|
#include <AzToolsFramework/API/EditorPythonRunnerRequestsBus.h>
|
|
#include <AzCore/std/parallel/semaphore.h>
|
|
|
|
namespace EditorPythonBindings
|
|
{
|
|
/**
|
|
* Manages the Python interpreter inside this Gem (Editor only)
|
|
* - redirects the Python standard output and error streams to AZ_TracePrintf and AZ_Warning, respectively
|
|
*/
|
|
class PythonSystemComponent
|
|
: public AZ::Component
|
|
, protected AzToolsFramework::EditorPythonEventsInterface
|
|
, protected AzToolsFramework::EditorPythonRunnerRequestBus::Handler
|
|
{
|
|
public:
|
|
AZ_COMPONENT(PythonSystemComponent, PythonSystemComponentTypeId, AZ::Component);
|
|
|
|
static void Reflect(AZ::ReflectContext* context);
|
|
|
|
static void GetProvidedServices(AZ::ComponentDescriptor::DependencyArrayType& provided);
|
|
static void GetIncompatibleServices(AZ::ComponentDescriptor::DependencyArrayType& incompatible);
|
|
|
|
protected:
|
|
////////////////////////////////////////////////////////////////////////
|
|
// AZ::Component interface implementation
|
|
void Activate() override;
|
|
void Deactivate() override;
|
|
////////////////////////////////////////////////////////////////////////
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
// AzToolsFramework::EditorPythonEventsInterface
|
|
bool StartPython(bool silenceWarnings = false) override;
|
|
bool StopPython(bool silenceWarnings = false) override;
|
|
bool IsPythonActive() override;
|
|
void WaitForInitialization() override;
|
|
void ExecuteWithLock(AZStd::function<void()> executionCallback) override;
|
|
////////////////////////////////////////////////////////////////////////
|
|
|
|
////////////////////////////////////////////////////////////////////////
|
|
// AzToolsFramework::EditorPythonRunnerRequestBus::Handler interface implementation
|
|
void ExecuteByString(AZStd::string_view script, bool printResult) override;
|
|
void ExecuteByFilename(AZStd::string_view filename) override;
|
|
void ExecuteByFilenameWithArgs(AZStd::string_view filename, const AZStd::vector<AZStd::string_view>& args) override;
|
|
bool ExecuteByFilenameAsTest(AZStd::string_view filename, AZStd::string_view testCase, const AZStd::vector<AZStd::string_view>& args) override;
|
|
////////////////////////////////////////////////////////////////////////
|
|
|
|
private:
|
|
// handle multiple Python initializers and threads
|
|
AZStd::atomic_int m_initalizeWaiterCount {0};
|
|
AZStd::semaphore m_initalizeWaiter;
|
|
AZStd::recursive_mutex m_lock;
|
|
|
|
enum class Result
|
|
{
|
|
Okay,
|
|
Error_IsNotInitialized,
|
|
Error_InvalidFilename,
|
|
Error_MissingFile,
|
|
Error_FileOpenValidation,
|
|
Error_InternalException,
|
|
Error_PythonException,
|
|
};
|
|
Result EvaluateFile(AZStd::string_view filename, const AZStd::vector<AZStd::string_view>& args);
|
|
|
|
// bootstrap logic and data
|
|
using PythonPathStack = AZStd::vector<AZStd::string>;
|
|
void DiscoverPythonPaths(PythonPathStack& pythonPathStack);
|
|
void ExecuteBootstrapScripts(const PythonPathStack& pythonPathStack);
|
|
bool ExtendSysPath(const AZStd::unordered_set<AZStd::string>& extendPaths);
|
|
|
|
// starts the Python interpreter
|
|
bool StartPythonInterpreter(const PythonPathStack& pythonPathStack);
|
|
bool StopPythonInterpreter();
|
|
};
|
|
}
|