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/**
* SPDX-FileCopyrightText: 2020-2023 Osimis S.A., 2024-2025 Orthanc Team SRL, 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain
* SPDX-License-Identifier: AGPL-3.0-or-later
*/
/**
* Python plugin for Orthanc
* Copyright (C) 2020-2023 Osimis S.A., Belgium
* Copyright (C) 2024-2025 Orthanc Team SRL, Belgium
* Copyright (C) 2021-2025 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
*
* This program is free software: you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
#include "PythonFunction.h"
#include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h"
#include "PythonModule.h"
PythonObject* PythonFunction::CallUnchecked(PyObject* args)
{
if (!IsValid())
{
ORTHANC_PLUGINS_THROW_EXCEPTION(BadSequenceOfCalls);
}
else
{
PyObject* obj = PyObject_CallObject(func_->GetPyObject(), args);
return new PythonObject(lock_, obj);
}
}
PythonFunction::PythonFunction(PythonLock& lock,
const PythonModule& module,
const std::string& name) :
lock_(lock)
{
if (module.IsValid() &&
// This check is necessary in Python 2.7, otherwise garbage collector might crash
PyObject_HasAttrString(module.GetPyObject(), name.c_str()))
{
func_.reset(module.GetObject().GetAttribute(name));
if (func_.get() == NULL ||
!func_->IsValid() ||
!PyCallable_Check(func_->GetPyObject()))
{
func_.reset(); // Not such a function
ORTHANC_PLUGINS_LOG_WARNING("Missing Python function: " + module.GetName() + "." + name + "()");
}
}
}
PythonObject* PythonFunction::Call()
{
std::unique_ptr<PythonObject> result(CallUnchecked(NULL));
std::string error;
if (lock_.HasErrorOccurred(error))
{
ORTHANC_PLUGINS_LOG_ERROR("Python exception has occurred, traceback:\n" + error);
ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin);
}
else
{
return result.release();
}
}
PythonObject* PythonFunction::Call(const PythonObject& args)
{
std::unique_ptr<PythonObject> result(CallUnchecked(args.GetPyObject()));
std::string error;
if (lock_.HasErrorOccurred(error))
{
ORTHANC_PLUGINS_LOG_ERROR("Python exception has occurred, traceback:\n" + error);
ORTHANC_PLUGINS_THROW_EXCEPTION(Plugin);
}
else
{
return result.release();
}
}
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