o3de/Code/Tools/ProjectManager/Source/PythonBindings.cpp

/*
 * All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
 * its licensors.
 *
 * For complete copyright and license terms please see the LICENSE at the root of this
 * distribution (the "License"). All use of this software is governed by the License,
 * or, if provided, by the license below or the license accompanying this file. Do not
 * remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *
 */

#include <PythonBindings.h>

#include <ProjectManagerDefs.h>

// Qt defines slots, which interferes with the use here.
#pragma push_macro("slots")
#undef slots
#include <pybind11/functional.h>
#include <pybind11/embed.h>
#include <pybind11/eval.h>
#include <pybind11/stl.h>
#pragma pop_macro("slots")

#include <AzCore/IO/FileIO.h>
#include <AzCore/IO/SystemFile.h>
#include <AzCore/std/string/conversions.h>
#include <AzCore/StringFunc/StringFunc.h>

namespace Platform
{
    bool InsertPythonLibraryPath(
        AZStd::unordered_set<AZStd::string>& paths, const char* pythonPackage, const char* engineRoot, const char* subPath)
    {
        // append lib path to Python paths
        AZ::IO::FixedMaxPath libPath = engineRoot;
        libPath /= AZ::IO::FixedMaxPathString::format(subPath, pythonPackage);
        libPath = libPath.LexicallyNormal();
        if (AZ::IO::SystemFile::Exists(libPath.c_str()))
        {
            paths.insert(libPath.c_str());
            return true;
        }

        AZ_Warning("python", false, "Python library path should exist. path:%s", libPath.c_str());
        return false;
    }

    // Implemented in each different platform's PAL implentation files, as it differs per platform.
    AZStd::string GetPythonHomePath(const char* pythonPackage, const char* engineRoot);

} // namespace Platform

#define Py_To_String(obj) pybind11::str(obj).cast<std::string>().c_str()
#define Py_To_String_Optional(dict, key, default_string) dict.contains(key) ? Py_To_String(dict[key]) : default_string
#define QString_To_Py_String(value) pybind11::str(value.toStdString())
#define QString_To_Py_Path(value) m_pathlib.attr("Path")(value.toStdString())

namespace RedirectOutput
{
    using RedirectOutputFunc = AZStd::function<void(const char*)>;

    struct RedirectOutput
    {
        PyObject_HEAD RedirectOutputFunc write;
    };

    PyObject* RedirectWrite(PyObject* self, PyObject* args)
    {
        std::size_t written(0);
        RedirectOutput* selfimpl = reinterpret_cast<RedirectOutput*>(self);
        if (selfimpl->write)
        {
            char* data;
            if (!PyArg_ParseTuple(args, "s", &data))
            {
                return PyLong_FromSize_t(0);
            }
            selfimpl->write(data);
            written = strlen(data);
        }
        return PyLong_FromSize_t(written);
    }

    PyObject* RedirectFlush([[maybe_unused]] PyObject* self,[[maybe_unused]] PyObject* args)
    {
        // no-op
        return Py_BuildValue("");
    }

    PyMethodDef RedirectMethods[] = {
        {"write", RedirectWrite, METH_VARARGS, "sys.stdout.write"},
        {"flush", RedirectFlush, METH_VARARGS, "sys.stdout.flush"},
        {"write", RedirectWrite, METH_VARARGS, "sys.stderr.write"},
        {"flush", RedirectFlush, METH_VARARGS, "sys.stderr.flush"},
        {0, 0, 0, 0} // sentinel
    };

    PyTypeObject RedirectOutputType = {
        PyVarObject_HEAD_INIT(0, 0) "azlmbr_redirect.RedirectOutputType", // tp_name
        sizeof(RedirectOutput), /* tp_basicsize */
        0, /* tp_itemsize */
        0, /* tp_dealloc */
        0, /* tp_print */
        0, /* tp_getattr */
        0, /* tp_setattr */
        0, /* tp_reserved */
        0, /* tp_repr */
        0, /* tp_as_number */
        0, /* tp_as_sequence */
        0, /* tp_as_mapping */
        0, /* tp_hash  */
        0, /* tp_call */
        0, /* tp_str */
        0, /* tp_getattro */
        0, /* tp_setattro */
        0, /* tp_as_buffer */
        Py_TPFLAGS_DEFAULT, /* tp_flags */
        "azlmbr_redirect objects", /* tp_doc */
        0, /* tp_traverse */
        0, /* tp_clear */
        0, /* tp_richcompare */
        0, /* tp_weaklistoffset */
        0, /* tp_iter */
        0, /* tp_iternext */
        RedirectMethods, /* tp_methods */
        0, /* tp_members */
        0, /* tp_getset */
        0, /* tp_base */
        0, /* tp_dict */
        0, /* tp_descr_get */
        0, /* tp_descr_set */
        0, /* tp_dictoffset */
        0, /* tp_init */
        0, /* tp_alloc */
        0 /* tp_new */
    };

    PyModuleDef RedirectOutputModule = {
        PyModuleDef_HEAD_INIT, "azlmbr_redirect", 0, -1, 0,
    };

    // Internal state
    PyObject* g_redirect_stdout = nullptr;
    PyObject* g_redirect_stdout_saved = nullptr;
    PyObject* g_redirect_stderr = nullptr;
    PyObject* g_redirect_stderr_saved = nullptr;

    PyMODINIT_FUNC PyInit_RedirectOutput(void)
    {
        g_redirect_stdout = nullptr;
        g_redirect_stdout_saved = nullptr;
        g_redirect_stderr = nullptr;
        g_redirect_stderr_saved = nullptr;

        RedirectOutputType.tp_new = PyType_GenericNew;
        if (PyType_Ready(&RedirectOutputType) < 0)
        {
            return 0;
        }

        PyObject* redirectModule = PyModule_Create(&RedirectOutputModule);
        if (redirectModule)
        {
            Py_INCREF(&RedirectOutputType);
            PyModule_AddObject(redirectModule, "Redirect", reinterpret_cast<PyObject*>(&RedirectOutputType));
        }
        return redirectModule;
    }

    void SetRedirection(const char* funcname, PyObject*& saved, PyObject*& current, RedirectOutputFunc func)
    {
        if (PyType_Ready(&RedirectOutputType) < 0)
        {
            AZ_Warning("python", false, "RedirectOutputType not ready!");
            return;
        }

        if (!current)
        {
            saved = PySys_GetObject(funcname); // borrowed
            current = RedirectOutputType.tp_new(&RedirectOutputType, 0, 0);
        }

        RedirectOutput* redirectOutput = reinterpret_cast<RedirectOutput*>(current);
        redirectOutput->write = func;
        PySys_SetObject(funcname, current);
    }

    void ResetRedirection(const char* funcname, PyObject*& saved, PyObject*& current)
    {
        if (current)
        {
            PySys_SetObject(funcname, saved);
        }
        Py_XDECREF(current);
        current = nullptr;
    }

    PyObject* s_RedirectModule = nullptr;

    void Intialize(PyObject* module)
    {
        s_RedirectModule = module;

        SetRedirection("stdout", g_redirect_stdout_saved, g_redirect_stdout, []([[maybe_unused]] const char* msg) {
            AZ_TracePrintf("Python", msg);
        });

        SetRedirection("stderr", g_redirect_stderr_saved, g_redirect_stderr, []([[maybe_unused]] const char* msg) {
            AZ_TracePrintf("Python", msg);
        });

        PySys_WriteStdout("RedirectOutput installed");
    }

    void Shutdown()
    {
        ResetRedirection("stdout", g_redirect_stdout_saved, g_redirect_stdout);
        ResetRedirection("stderr", g_redirect_stderr_saved, g_redirect_stderr);
        Py_XDECREF(s_RedirectModule);
        s_RedirectModule = nullptr;
    }
} // namespace RedirectOutput

namespace O3DE::ProjectManager
{
    PythonBindings::PythonBindings(const AZ::IO::PathView& enginePath)
        : m_enginePath(enginePath)
    {
        m_pythonStarted = StartPython();
    }

    PythonBindings::~PythonBindings()
    {
        StopPython();
    }

    bool PythonBindings::PythonStarted()
    {
        return m_pythonStarted && Py_IsInitialized();
    }

    bool PythonBindings::StartPython()
    {
        if (Py_IsInitialized())
        {
            AZ_Warning("python", false, "Python is already active");
            return false;
        }

        // set PYTHON_HOME
        AZStd::string pyBasePath = Platform::GetPythonHomePath(PY_PACKAGE, m_enginePath.c_str());
        if (!AZ::IO::SystemFile::Exists(pyBasePath.c_str()))
        {
            AZ_Error("python", false, "Python home path does not exist: %s", pyBasePath.c_str());
            return false;
        }

        AZStd::wstring pyHomePath;
        AZStd::to_wstring(pyHomePath, pyBasePath);
        Py_SetPythonHome(pyHomePath.c_str());

        // display basic Python information
        AZ_TracePrintf("python", "Py_GetVersion=%s \n", Py_GetVersion());
        AZ_TracePrintf("python", "Py_GetPath=%ls \n", Py_GetPath());
        AZ_TracePrintf("python", "Py_GetExecPrefix=%ls \n", Py_GetExecPrefix());
        AZ_TracePrintf("python", "Py_GetProgramFullPath=%ls \n", Py_GetProgramFullPath());

        PyImport_AppendInittab("azlmbr_redirect", RedirectOutput::PyInit_RedirectOutput);

        try
        {
            // ignore system location for sites site-packages
            Py_IsolatedFlag = 1; // -I - Also sets Py_NoUserSiteDirectory.  If removed PyNoUserSiteDirectory should be set.
            Py_IgnoreEnvironmentFlag = 1; // -E

            const bool initializeSignalHandlers = true;
            pybind11::initialize_interpreter(initializeSignalHandlers);

            RedirectOutput::Intialize(PyImport_ImportModule("azlmbr_redirect"));

            // Acquire GIL before calling Python code
            AZStd::lock_guard<decltype(m_lock)> lock(m_lock);
            pybind11::gil_scoped_acquire acquire;

            // sanity import check
            if (PyRun_SimpleString("import sys") != 0)
            {
                AZ_Assert(false, "Import sys failed");
                return false;
            }

            // import required modules
            m_cmake = pybind11::module::import("o3de.cmake");
            m_register = pybind11::module::import("o3de.register");
            m_manifest = pybind11::module::import("o3de.manifest");
            m_engineTemplate = pybind11::module::import("o3de.engine_template");
            m_enableGemProject = pybind11::module::import("o3de.enable_gem");
            m_disableGemProject = pybind11::module::import("o3de.disable_gem");
            m_editProjectProperties = pybind11::module::import("o3de.project_properties");
            m_pathlib = pybind11::module::import("pathlib");

            // make sure the engine is registered
            RegisterThisEngine();

            return !PyErr_Occurred();
        }
        catch ([[maybe_unused]] const std::exception& e)
        {
            AZ_Assert(false, "Py_Initialize() failed with %s", e.what());
            return false;
        }
    }

    bool PythonBindings::StopPython()
    {
        if (Py_IsInitialized())
        {
            RedirectOutput::Shutdown();
            pybind11::finalize_interpreter();
        }
        else
        {
            AZ_Warning("ProjectManagerWindow", false, "Did not finalize since Py_IsInitialized() was false");
        }
        return !PyErr_Occurred();
    }

    bool PythonBindings::RegisterThisEngine()
    {
        bool registrationResult = true; // already registered is considered successful
        bool pythonResult = ExecuteWithLock(
            [&]
        {
            // check current engine path against all other registered engines
            // to see if we are already registered
            auto allEngines = m_manifest.attr("get_engines")();
            if (pybind11::isinstance<pybind11::list>(allEngines))
            {
                for (auto engine : allEngines)
                {
                    AZ::IO::FixedMaxPath enginePath(Py_To_String(engine["path"]));
                    if (enginePath.Compare(m_enginePath) == 0)
                    {
                        return;
                    }
                }
            }

            auto result = m_register.attr("register")(QString_To_Py_Path(QString(m_enginePath.c_str())));
            registrationResult = (result.cast<int>() == 0);
        });

        bool finalResult = (registrationResult && pythonResult);
        AZ_Assert(finalResult, "Registration of this engine failed!");
        return finalResult;
    }

    AZ::Outcome<void, AZStd::string> PythonBindings::ExecuteWithLockErrorHandling(AZStd::function<void()> executionCallback)
    {
        if (!Py_IsInitialized())
        {
            return AZ::Failure<AZStd::string>("Python is not initialized");
        }

        AZStd::lock_guard<decltype(m_lock)> lock(m_lock);
        pybind11::gil_scoped_release release;
        pybind11::gil_scoped_acquire acquire;

        try
        {
            executionCallback();
        }
        catch ([[maybe_unused]] const std::exception& e)
        {
            AZ_Warning("PythonBindings", false, "Python exception %s", e.what());
            return AZ::Failure<AZStd::string>(e.what());
        }

        return AZ::Success();
    }

    bool PythonBindings::ExecuteWithLock(AZStd::function<void()> executionCallback)
    {
        return ExecuteWithLockErrorHandling(executionCallback).IsSuccess();
    }

    AZ::Outcome<EngineInfo> PythonBindings::GetEngineInfo()
    {
        EngineInfo engineInfo;
        bool result = ExecuteWithLock([&] {
            auto enginePath = m_manifest.attr("get_this_engine_path")();

            auto o3deData = m_manifest.attr("load_o3de_manifest")();
            if (pybind11::isinstance<pybind11::dict>(o3deData))
            {
                engineInfo.m_path = Py_To_String(enginePath);
                engineInfo.m_defaultGemsFolder = Py_To_String(o3deData["default_gems_folder"]);
                engineInfo.m_defaultProjectsFolder = Py_To_String(o3deData["default_projects_folder"]);
                engineInfo.m_defaultRestrictedFolder = Py_To_String(o3deData["default_restricted_folder"]);
                engineInfo.m_defaultTemplatesFolder = Py_To_String(o3deData["default_templates_folder"]);

                auto defaultThirdPartyFolder = m_manifest.attr("get_o3de_third_party_folder")();
                engineInfo.m_thirdPartyPath = Py_To_String_Optional(o3deData,"default_third_party_folder", Py_To_String(defaultThirdPartyFolder));
            }

            auto engineData = m_manifest.attr("get_engine_json_data")(pybind11::none(), enginePath);
            if (pybind11::isinstance<pybind11::dict>(engineData))
            {
                try
                {
                    engineInfo.m_version = Py_To_String_Optional(engineData, "O3DEVersion", "0.0.0.0");
                    engineInfo.m_name = Py_To_String_Optional(engineData, "engine_name", "O3DE");
                }
                catch ([[maybe_unused]] const std::exception& e)
                {
                    AZ_Warning("PythonBindings", false, "Failed to get EngineInfo from %s", Py_To_String(enginePath));
                }
            }
        });

        if (!result || !engineInfo.IsValid())
        {
            return AZ::Failure();
        }
        else
        {
            return AZ::Success(AZStd::move(engineInfo));
        }

        return AZ::Failure();
    }

    bool PythonBindings::SetEngineInfo(const EngineInfo& engineInfo)
    {
        bool result = ExecuteWithLock([&] {
            auto registrationResult = m_register.attr("register")(
                QString_To_Py_Path(engineInfo.m_path),
                pybind11::none(), // project_path
                pybind11::none(), // gem_path
                pybind11::none(), // external_subdir_path
                pybind11::none(), // template_path
                pybind11::none(), // restricted_path
                pybind11::none(), // repo_uri
                pybind11::none(), // default_engines_folder
                QString_To_Py_Path(engineInfo.m_defaultProjectsFolder),
                QString_To_Py_Path(engineInfo.m_defaultGemsFolder),
                QString_To_Py_Path(engineInfo.m_defaultTemplatesFolder),
                pybind11::none(), // default_restricted_folder
                QString_To_Py_Path(engineInfo.m_thirdPartyPath)
                );

            if (registrationResult.cast<int>() != 0)
            {
                result = false;
            }
        });

        return result;
    }

    AZ::Outcome<GemInfo> PythonBindings::GetGemInfo(const QString& path, const QString& projectPath)
    {
        GemInfo gemInfo = GemInfoFromPath(QString_To_Py_String(path), QString_To_Py_Path(projectPath));
        if (gemInfo.IsValid())
        {
            return AZ::Success(AZStd::move(gemInfo));
        }
        else
        {
            return AZ::Failure();
        }
    }

    AZ::Outcome<QVector<GemInfo>, AZStd::string> PythonBindings::GetEngineGemInfos()
    {
        QVector<GemInfo> gems;

        auto result = ExecuteWithLockErrorHandling([&]
        {
            for (auto path : m_manifest.attr("get_engine_gems")())
            {
                gems.push_back(GemInfoFromPath(path, pybind11::none()));
            }
        });
        if (!result.IsSuccess())
        {
            return AZ::Failure<AZStd::string>(result.GetError().c_str());
        }

        std::sort(gems.begin(), gems.end());
        return AZ::Success(AZStd::move(gems));
    }

    AZ::Outcome<QVector<GemInfo>, AZStd::string> PythonBindings::GetAllGemInfos(const QString& projectPath)
    {
        QVector<GemInfo> gems;

        auto result = ExecuteWithLockErrorHandling([&]
        {
            auto pyProjectPath = QString_To_Py_Path(projectPath);
            for (auto path : m_manifest.attr("get_all_gems")(pyProjectPath))
            {
                gems.push_back(GemInfoFromPath(path, pyProjectPath));
            }
        });
        if (!result.IsSuccess())
        {
            return AZ::Failure<AZStd::string>(result.GetError().c_str());
        }

        std::sort(gems.begin(), gems.end());
        return AZ::Success(AZStd::move(gems));
    }

    AZ::Outcome<QVector<AZStd::string>, AZStd::string> PythonBindings::GetEnabledGemNames(const QString& projectPath)
    {
        // Retrieve the path to the cmake file that lists the enabled gems.
        pybind11::str enabledGemsFilename;
        auto result = ExecuteWithLockErrorHandling([&]
        {
            enabledGemsFilename = m_cmake.attr("get_enabled_gem_cmake_file")(
                pybind11::none(), // project_name
                QString_To_Py_Path(projectPath)); // project_path
        });
        if (!result.IsSuccess())
        {
            return AZ::Failure<AZStd::string>(result.GetError().c_str());
        }

        // Retrieve the actual list of names from the cmake file.
        QVector<AZStd::string> gemNames;
        result = ExecuteWithLockErrorHandling([&]
        {
            const auto pyGemNames = m_cmake.attr("get_enabled_gems")(enabledGemsFilename);
            for (auto gemName : pyGemNames)
            {
                gemNames.push_back(Py_To_String(gemName));
            }
        });
        if (!result.IsSuccess())
        {
            return AZ::Failure<AZStd::string>(result.GetError().c_str());
        }

        return AZ::Success(AZStd::move(gemNames));
    }

    bool PythonBindings::AddProject(const QString& path)
    {
        bool registrationResult = false;
        bool result = ExecuteWithLock(
            [&]
        {
            auto projectPath = QString_To_Py_Path(path);
            auto pythonRegistrationResult = m_register.attr("register")(pybind11::none(), projectPath);

            // Returns an exit code so boolify it then invert result
            registrationResult = !pythonRegistrationResult.cast<bool>();
        });

        return result && registrationResult;
    }

    bool PythonBindings::RemoveProject(const QString& path)
    {
        bool registrationResult = false;
        bool result = ExecuteWithLock(
            [&]
        {
            auto pythonRegistrationResult = m_register.attr("register")(
                pybind11::none(),   // engine_path
                QString_To_Py_Path(path), // project_path
                pybind11::none(),   // gem_path
                pybind11::none(),   // external_subdir_path
                pybind11::none(),   // template_path
                pybind11::none(),   // restricted_path
                pybind11::none(),   // repo_uri
                pybind11::none(),   // default_engines_folder
                pybind11::none(),   // default_projects_folder
                pybind11::none(),   // default_gems_folder
                pybind11::none(),   // default_templates_folder
                pybind11::none(),   // default_restricted_folder
                pybind11::none(),   // default_third_party_folder
                pybind11::none(),   // external_subdir_engine_path
                pybind11::none(),   // external_subdir_project_path
                true,               // remove
                false               // force
                );

            // Returns an exit code so boolify it then invert result
            registrationResult = !pythonRegistrationResult.cast<bool>();
        });

        return result && registrationResult;
    }

    AZ::Outcome<ProjectInfo> PythonBindings::CreateProject(const QString& projectTemplatePath, const ProjectInfo& projectInfo)
    {
        ProjectInfo createdProjectInfo;
        bool result = ExecuteWithLock([&] {
            auto projectPath = QString_To_Py_Path(projectInfo.m_path);

            auto createProjectResult = m_engineTemplate.attr("create_project")(
                projectPath,
                QString_To_Py_String(projectInfo.m_projectName),
                QString_To_Py_Path(projectTemplatePath)
                );
            if (createProjectResult.cast<int>() == 0)
            {
                createdProjectInfo = ProjectInfoFromPath(projectPath);
            }
        });

        if (!result || !createdProjectInfo.IsValid())
        {
            return AZ::Failure();
        }
        else
        {
            return AZ::Success(AZStd::move(createdProjectInfo));
        }
    }

    AZ::Outcome<ProjectInfo> PythonBindings::GetProject(const QString& path)
    {
        ProjectInfo projectInfo = ProjectInfoFromPath(QString_To_Py_Path(path));
        if (projectInfo.IsValid())
        {
            return AZ::Success(AZStd::move(projectInfo));
        }
        else
        {
            return AZ::Failure();
        }
    }

    GemInfo PythonBindings::GemInfoFromPath(pybind11::handle path, pybind11::handle pyProjectPath)
    {
        GemInfo gemInfo;
        gemInfo.m_path = Py_To_String(path);

        auto data = m_manifest.attr("get_gem_json_data")(pybind11::none(), path, pyProjectPath);
        if (pybind11::isinstance<pybind11::dict>(data))
        {
            try
            {
                // required
                gemInfo.m_name = Py_To_String(data["gem_name"]);

                // optional
                gemInfo.m_displayName = Py_To_String_Optional(data, "DisplayName", gemInfo.m_name);
                gemInfo.m_summary = Py_To_String_Optional(data, "Summary", "");
                gemInfo.m_version = Py_To_String_Optional(data, "Version", "");
                gemInfo.m_requirement = Py_To_String_Optional(data, "Requirements", "");

                if (data.contains("Tags"))
                {
                    for (auto tag : data["Tags"])
                    {
                        gemInfo.m_features.push_back(Py_To_String(tag));
                    }
                }
            }
            catch ([[maybe_unused]] const std::exception& e)
            {
                AZ_Warning("PythonBindings", false, "Failed to get GemInfo for gem %s", Py_To_String(path));
            }
        }

        return gemInfo;
    }

    ProjectInfo PythonBindings::ProjectInfoFromPath(pybind11::handle path)
    {
        ProjectInfo projectInfo;
        projectInfo.m_path = Py_To_String(path);
        projectInfo.m_needsBuild = false;

        auto projectData = m_manifest.attr("get_project_json_data")(pybind11::none(), path);
        if (pybind11::isinstance<pybind11::dict>(projectData))
        {
            try
            {
                projectInfo.m_projectName = Py_To_String(projectData["project_name"]);
                projectInfo.m_displayName = Py_To_String_Optional(projectData, "display_name", projectInfo.m_projectName);
                projectInfo.m_origin = Py_To_String_Optional(projectData, "origin", projectInfo.m_origin);
                projectInfo.m_summary = Py_To_String_Optional(projectData, "summary", projectInfo.m_summary);
                projectInfo.m_iconPath = Py_To_String_Optional(projectData, "icon", ProjectPreviewImagePath);
                if (projectData.contains("user_tags"))
                {
                    for (auto tag : projectData["user_tags"])
                    {
                        projectInfo.m_userTags.append(Py_To_String(tag));
                    }
                }
            }
            catch ([[maybe_unused]] const std::exception& e)
            {
                AZ_Warning("PythonBindings", false, "Failed to get ProjectInfo for project %s", Py_To_String(path));
            }
        }

        return projectInfo;
    }

    AZ::Outcome<QVector<ProjectInfo>> PythonBindings::GetProjects()
    {
        QVector<ProjectInfo> projects;

        bool result = ExecuteWithLock([&] {
            // external projects
            for (auto path : m_manifest.attr("get_projects")())
            {
                projects.push_back(ProjectInfoFromPath(path));
            }

            // projects from the engine
            for (auto path : m_manifest.attr("get_engine_projects")())
            {
                projects.push_back(ProjectInfoFromPath(path));
            }
        });

        if (!result)
        {
            return AZ::Failure();
        }
        else
        {
            return AZ::Success(AZStd::move(projects));
        }
    }

    AZ::Outcome<void, AZStd::string> PythonBindings::AddGemToProject(const QString& gemPath, const QString& projectPath)
    {
        return ExecuteWithLockErrorHandling([&]
        {
            m_enableGemProject.attr("enable_gem_in_project")(
                pybind11::none(), // gem name not needed as path is provided
                QString_To_Py_Path(gemPath),
                pybind11::none(), // project name not needed as path is provided
                QString_To_Py_Path(projectPath)
                );
        });
    }

    AZ::Outcome<void, AZStd::string> PythonBindings::RemoveGemFromProject(const QString& gemPath, const QString& projectPath)
    {
        return ExecuteWithLockErrorHandling([&]
        {
            m_disableGemProject.attr("disable_gem_in_project")(
                pybind11::none(), // gem name not needed as path is provided
                QString_To_Py_Path(gemPath),
                pybind11::none(), // project name not needed as path is provided
                QString_To_Py_Path(projectPath)
                );
        });
    }

    AZ::Outcome<void, AZStd::string> PythonBindings::UpdateProject(const ProjectInfo& projectInfo)
    {
        bool updateProjectSucceeded = false;
        auto result = ExecuteWithLockErrorHandling([&]
            {
                std::list<std::string> newTags;
                for (const auto& i : projectInfo.m_userTags)
                {
                    newTags.push_back(i.toStdString());
                }

                auto editResult = m_editProjectProperties.attr("edit_project_props")(
                    QString_To_Py_Path(projectInfo.m_path),
                    pybind11::none(), // proj_name not used
                    QString_To_Py_String(projectInfo.m_projectName),
                    QString_To_Py_String(projectInfo.m_origin),
                    QString_To_Py_String(projectInfo.m_displayName),
                    QString_To_Py_String(projectInfo.m_summary),
                    QString_To_Py_String(projectInfo.m_iconPath), // new_icon
                    pybind11::none(), // add_tags not used
                    pybind11::none(), // remove_tags not used
                    pybind11::list(pybind11::cast(newTags)));
                updateProjectSucceeded = (editResult.cast<int>() == 0);
            });

        if (!result.IsSuccess())
        {
            return result;
        }
        else if (!updateProjectSucceeded)
        {
            return AZ::Failure<AZStd::string>("Failed to update project.");
        }

        return AZ::Success();
    }

    ProjectTemplateInfo PythonBindings::ProjectTemplateInfoFromPath(pybind11::handle path, pybind11::handle pyProjectPath)
    {
        ProjectTemplateInfo templateInfo;
        templateInfo.m_path = Py_To_String(path);

        auto data = m_manifest.attr("get_template_json_data")(pybind11::none(), path, pyProjectPath);
        if (pybind11::isinstance<pybind11::dict>(data))
        {
            try
            {
                // required
                templateInfo.m_displayName = Py_To_String(data["display_name"]);
                templateInfo.m_name = Py_To_String(data["template_name"]);
                templateInfo.m_summary = Py_To_String(data["summary"]);

                // optional
                if (data.contains("canonical_tags"))
                {
                    for (auto tag : data["canonical_tags"])
                    {
                        templateInfo.m_canonicalTags.push_back(Py_To_String(tag));
                    }
                }
                if (data.contains("user_tags"))
                {
                    for (auto tag : data["user_tags"])
                    {
                        templateInfo.m_canonicalTags.push_back(Py_To_String(tag));
                    }
                }
                if (data.contains("included_gems"))
                {
                    for (auto gem : data["included_gems"])
                    {
                        templateInfo.m_includedGems.push_back(Py_To_String(gem));
                    }
                }
            }
            catch ([[maybe_unused]] const std::exception& e)
            {
                AZ_Warning("PythonBindings", false, "Failed to get ProjectTemplateInfo for %s", Py_To_String(path));
            }
        }

        return templateInfo;
    }

    AZ::Outcome<QVector<ProjectTemplateInfo>> PythonBindings::GetProjectTemplates(const QString& projectPath)
    {
        QVector<ProjectTemplateInfo> templates;

        bool result = ExecuteWithLock([&] {
            for (auto path : m_manifest.attr("get_templates_for_project_creation")())
            {
                templates.push_back(ProjectTemplateInfoFromPath(path, QString_To_Py_Path(projectPath)));
            }
        });

        if (!result)
        {
            return AZ::Failure();
        }
        else
        {
            return AZ::Success(AZStd::move(templates));
        }
    }
}