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// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
////////////////////////////////////////////////////////////////////////
// http://www.swig.org/Doc2.0/Library.html#Library_stl_exceptions
////////////////////////////////////////////////////////////////////////
%include "exception.i"
%exception
{
try
{
$action
}
catch (const std::exception& e)
{
SWIG_exception(SWIG_RuntimeError, e.what());
}
}
%{
#include <gras/hier_block.hpp>
#include <gras/top_block.hpp>
#include <boost/make_shared.hpp>
%}
////////////////////////////////////////////////////////////////////////
// pull in hier and top interface
////////////////////////////////////////////////////////////////////////
%include <gras/element.i>
%include <gras/hier_block.i>
%include <gras/top_block.hpp>
%include "GRAS_Utils.i"
////////////////////////////////////////////////////////////////////////
// weak element overload for python
////////////////////////////////////////////////////////////////////////
%{
struct WeakContainerPyObject : gras::WeakContainer
{
WeakContainerPyObject(PyObject *o):
o(o)
{
//NOP
}
boost::shared_ptr<const void> lock(void)
{
return boost::make_shared<PyObjectRefHolder>(o);
}
PyObject *o;
};
inline void set_weak_py_self(gras::Element &elem, PyObject *o)
{
elem.set_container(new WeakContainerPyObject(o));
}
%}
void set_weak_py_self(gras::Element &elem, PyObject *o);
////////////////////////////////////////////////////////////////////////
// Make a special top block with python safe unlocking wait
////////////////////////////////////////////////////////////////////////
%inline %{
namespace gras
{
struct TopBlockPython : TopBlock
{
TopBlockPython(const std::string &name):
TopBlock(name)
{
//NOP
}
virtual ~TopBlockPython(void)
{
PyTSPhondler phil;
this->reset();
}
void start(void)
{
PyTSPhondler phil;
TopBlock::start();
}
void stop(void)
{
PyTSPhondler phil;
TopBlock::stop();
}
void wait(void)
{
PyTSPhondler phil;
TopBlock::wait();
}
bool wait(const double timeout)
{
PyTSPhondler phil;
return TopBlock::wait(timeout);
}
std::string query(const std::string &args)
{
PyTSPhondler phil;
return TopBlock::query(args);
}
};
struct HierBlockPython : HierBlock
{
HierBlockPython(const std::string &name):
HierBlock(name)
{
//NOP
}
virtual ~HierBlockPython(void)
{
PyTSPhondler phil;
this->reset();
}
};
}
%}
////////////////////////////////////////////////////////////////////////
// Remake top block and hier block for multi-arg connnect
////////////////////////////////////////////////////////////////////////
%pythoncode %{
def to_element(obj):
if isinstance(obj, Element): return obj
try:
elem = obj.to_element()
set_weak_py_self(elem, obj)
return elem
except: raise Exception('cant coerce obj %s to element'%(obj))
def internal_connect__(fcn, obj, *args):
if len(args) == 1:
elem = to_element(args[0])
fcn(obj, elem)
return
for src, sink in zip(args, args[1:]):
try: src, src_index = src
except: src_index = 0
src = to_element(src)
try: sink, sink_index = sink
except: sink_index = 0
sink = to_element(sink)
fcn(obj, src, src_index, sink, sink_index)
class TopBlock(TopBlockPython):
def __init__(self, name="Top"):
TopBlockPython.__init__(self, name)
def connect(self, *args):
return internal_connect__(TopBlockPython.connect, self, *args)
def disconnect(self, *args):
return internal_connect__(TopBlockPython.disconnect, self, *args)
class HierBlock(HierBlockPython):
def __init__(self, name="Hier"):
HierBlockPython.__init__(self, name)
def connect(self, *args):
return internal_connect__(HierBlockPython.connect, self, *args)
def disconnect(self, *args):
return internal_connect__(HierBlockPython.disconnect, self, *args)
%}
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