itkPyCommand.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         https://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
 
#ifndef itkPyCommand_h
#define itkPyCommand_h
 
#include "itkCommand.h"
 
// The python header defines _POSIX_C_SOURCE without a preceding #undef
#undef _POSIX_C_SOURCE
#undef _XOPEN_SOURCE
#include "Python.h"
 
namespace itk
{

class ITKCommon_EXPORT PyCommand : public Command
{
public:
  using Self = PyCommand;

  using Pointer = SmartPointer<Self>;

  itkOverrideGetNameOfClassMacro(PyCommand);

  itkNewMacro(Self);

  void
  SetCommandCallable(PyObject * obj);
 
  PyObject *
  GetCommandCallable();
 
  void
  Execute(Object *, const EventObject &) override;
  void
  Execute(const Object *, const EventObject &) override;
 
protected:
  PyCommand();
  ~PyCommand() override;
  void
  PyExecute();
  PyCommand(const Self &); // Not implemented.
  PyCommand &
  operator=(const Self &); // Not implemented.
 
private:
  PyObject * m_Object;
  PyObject * m_EmptyArgumentList;
};
 
 
} // namespace itk
 
#endif // _itkPyCommand_h