/usr/src/WrapITK/Python/PyUtils/itkPyCommand.cxx is in libinsighttoolkit3-dev 3.20.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 | /*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkPyCommand.cxx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#include "itkPyCommand.h"
namespace itk
{
PyCommand::PyCommand()
{
this->obj = NULL;
}
PyCommand::~PyCommand()
{
if (this->obj)
{
Py_DECREF(this->obj);
}
this->obj = NULL;
}
void PyCommand::SetCommandCallable(PyObject *obj)
{
if (obj != this->obj)
{
if (this->obj)
{
// get rid of our reference
Py_DECREF(this->obj);
}
// store the new object
this->obj = obj;
if (this->obj)
{
// take out reference (so that the calling code doesn't
// have to keep a binding to the callable around)
Py_INCREF(this->obj);
}
}
}
void PyCommand::Execute(Object *, const EventObject&)
{
this->PyExecute();
}
void PyCommand::Execute(const Object*, const EventObject&)
{
this->PyExecute();
}
void PyCommand::PyExecute()
{
// make sure that the CommandCallable is in fact callable
if (!PyCallable_Check(this->obj))
{
// we throw a standard ITK exception: this makes it possible for
// our standard CableSwig exception handling logic to take this
// through to the invoking Python process
itkExceptionMacro(<<"CommandCallable is not a callable Python object, "
<<"or it has not been set.");
}
else
{
PyObject *result;
result = PyEval_CallObject(this->obj, (PyObject *)NULL);
if (result)
{
Py_DECREF(result);
}
else
{
// there was a Python error. Clear the error by printing to stdout
PyErr_Print();
// make sure the invoking Python code knows there was a problem
// by raising an exception
itkExceptionMacro(<<"There was an error executing the "
<<"CommandCallable.");
}
}
}
} // namespace itk
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