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/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2003-2011 by The University of Queensland //
// Earth Systems Science Computational Centre (ESSCC) //
// http://www.uq.edu.au/esscc //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.opensource.org/licenses/osl-3.0.php //
// //
/////////////////////////////////////////////////////////////
#include <boost/version.hpp>
#include <boost/python.hpp>
#include "Python/esys/lsm/geometry/DistConnectionsPy.h"
#include "Python/esys/lsm/geometry/SimpleBlockPy.h"
#include "Python/esys/lsm/geometry/SimpleSpherePy.h"
#include "Python/esys/lsm/geometry/TaggedIdConnectionPy.h"
#include "Python/esys/lsm/geometry/IteratorPy.h"
#include "Geometry/DistConnections.h"
namespace esys
{
namespace lsm
{
template <typename TmplExtractType>
class PythonIterIterator
{
public:
PythonIterIterator(boost::python::object iter)
: m_hasNext(true),
m_next(),
m_iter(iter)
{
update();
}
bool hasNext() const
{
return m_hasNext;
}
TmplExtractType next()
{
boost::python::object next = m_next;
update();
return boost::python::extract<TmplExtractType>(next);
}
void update()
{
try
{
m_next = m_iter.attr("next")();
}
catch (boost::python::error_already_set &e)
{
if (!PyErr_ExceptionMatches(PyExc_StopIteration))
{
throw;
}
PyErr_Clear();
m_hasNext = false;
}
}
private:
bool m_hasNext;
boost::python::object m_next;
boost::python::object m_iter;
};
class DistConnectionsPy
: public DistConnections<SimpleSpherePy, TaggedIdConnectionPy>
{
public:
DistConnectionsPy(
double maxDist=0.01,
Tag defaultTag = 0,
boost::python::object iteratable = boost::python::object()
)
: DistConnections<SimpleSpherePy, TaggedIdConnectionPy>(
maxDist,
defaultTag
)
{
if (iteratable != boost::python::object())
{
addParticles(iteratable);
}
}
void pythonObjectAddParticles(boost::python::object &iteratable)
{
create(
PythonIterIterator<SimpleSpherePy &>(iteratable.attr("__iter__")())
);
}
void pythonObjectAddParticlesWithTag(
boost::python::object &iteratable,
int connectionTag
)
{
create(
PythonIterIterator<SimpleSpherePy &>(iteratable.attr("__iter__")()),
connectionTag
);
}
void addParticles(boost::python::object &iteratable)
{
pythonObjectAddParticles(iteratable);
}
void addParticlesWithTag(
boost::python::object &iteratable,
int connectionTag
)
{
pythonObjectAddParticlesWithTag(iteratable, connectionTag);
}
typedef
IteratorPy<
DistConnections<SimpleSpherePy,TaggedIdConnectionPy>::Iterator
>
IteratorPy2;
IteratorPy2 getIterator() const
{
return
IteratorPy2(
DistConnections<
SimpleSpherePy,
TaggedIdConnectionPy
>::getIterator()
);
}
};
using boost::python::arg;
void exportDistConnections()
{
// Check that Boost 1.34.0 or higher is being used.
// If so, disable auto-generation of C++ signatures for Epydoc
// (which stumbles over indentation in the auto-generated strings).
#if ((BOOST_VERSION / 100000 >= 1) \
&& (BOOST_VERSION / 100 % 1000 >= 34)) \
|| (BOOST_VERSION / 100000 >= 2)
boost::python::docstring_options no_autogen(true,false);
#endif
boost::python::class_<DistConnectionsPy, boost::noncopyable>(
"ConnectionFinder",
boost::python::init<
boost::python::optional<
double,
int,
boost::python::object &
>
>(
(
arg("maxDist"),
arg("bondTag"),
arg("pList")
),
"@type maxDist: float\n"
"@kwarg maxDist: Threshhold distance governing which particles"
" are connected.\n"
"@type bondTag: int\n"
"@kwarg bondTag: Default tag given to the connections.\n"
"@type pList: iterable\n"
"@kwarg pList: Iterable whose next method returns a SimpleSphere"
" object."
)
)
.def(
"getNumParticles",
&DistConnectionsPy::getNumParticles,
"Returns the number of particles which have been added to this"
" connection finder.\n"
"@rtype: int\n"
"@return: The number of particles added to this connection finder."
)
.def(
"getNumConnections",
&DistConnectionsPy::getNumConnections,
"Returns the number of connections found by this connection finder.\n"
"@rtype: int\n"
"@return: number of L{TaggedIdConnection} objects in this collection."
)
.def("__iter__", &DistConnectionsPy::getIterator)
.def("__len__", &DistConnectionsPy::getNumConnections)
.def(
"addParticles",
&DistConnectionsPy::pythonObjectAddParticles,
(
arg("pList")
),
"Adds SimpleSphere objects to this connection finder and determines"
" any new connections.\n"
"@type pList: iterable\n"
"@kwarg pList: Iterator returning L{SimpleSphere} objects."
)
.def(
"addParticles",
&DistConnectionsPy::pythonObjectAddParticlesWithTag,
(
arg("pList"),
arg("bondTag")
),
"Adds SimpleSphere objects to this connection finder and determines"
" any new connections.\n"
//"@type pList: iterable\n"
//"@kwarg pList: Iterator returning L{SimpleSphere} objects.\n"
"@type bondTag: int\n"
"@kwarg bondTag: New connections are assigned this tag."
)
;
boost::python::class_<DistConnectionsPy, boost::noncopyable>(
"DistConnections",
boost::python::init<
boost::python::optional<
double,
int,
boost::python::object &
>
>(
(
arg("maxDist"),
arg("connTag"),
arg("iterable")
),
"@type maxDist: float\n"
"@kwarg maxDist: Threshhold distance governing which particles"
" are connected.\n"
"@type connTag: int\n"
"@kwarg connTag: Default tag given to the connections.\n"
"@type iterable: iterable\n"
"@kwarg iterable: Iterable whose next method returns a SimpleSphere"
" object."
)
)
.def(
"getNumParticles",
&DistConnectionsPy::getNumParticles,
"Returns the number of particles which have been added to this"
" connection finder.\n"
"@rtype: int\n"
"@return: The number of particles added to this connection finder."
)
.def(
"getNumConnections",
&DistConnectionsPy::getNumConnections,
"Returns the number of connections found by this connection finder.\n"
"@rtype: int\n"
"@return: number of L{TaggedIdConnection} objects in this collection."
)
.def("__iter__", &DistConnectionsPy::getIterator)
.def("__len__", &DistConnectionsPy::getNumConnections)
.def(
"addParticles",
&DistConnectionsPy::pythonObjectAddParticles,
(
arg("iterable")
),
"Adds SimpleSphere objects to this connection finder and determines"
" any new connections.\n"
"@type iterable: iterable\n"
"@kwarg iterable: Iterator returning L{SimpleSphere} objects."
)
.def(
"addParticles",
&DistConnectionsPy::pythonObjectAddParticlesWithTag,
(
arg("iterable"),
arg("connTag")
),
"Adds SimpleSphere objects to this connection finder and determines"
" any new connections.\n"
//"@type iterable: iterable\n"
//"@kwarg iterable: Iterator returning L{SimpleSphere} objects.\n"
"@type connTag: int\n"
"@kwarg connTag: New connections are assigned this tag."
)
;
DistConnectionsPy::IteratorPy2::exportIterator(
"TaggedIdConnectionIterator"
);
}
}
}
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