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/***************************************************************************
* pythonobject.cpp
* This file is part of the KDE project
* copyright (C)2004-2005 by Sebastian Sauer (mail@dipe.org)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
* You should have received a copy of the GNU Library General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
***************************************************************************/
#include "pythonobject.h"
#include "pythonextension.h"
#include "pythonvariant.h"
#include "pythoninterpreter.h"
using namespace Kross;
class PythonObject::Private
{
public:
Private() {};
Private(const Py::Object& object) : m_pyobject(object) {};
const Py::Object m_pyobject;
QStringList m_calls;
};
PythonObject::PythonObject()
: Kross::Object()
, d(new Private)
{
}
PythonObject::PythonObject(const Py::Object& object)
: Kross::Object()
, d(new Private(object))
{
#ifdef KROSS_PYTHON_FUNCTION_DEBUG
krossdebug( QString("PythonObject::PythonObject() constructor") );
#endif
Py::List x( object.dir() );
for(Py::Sequence::iterator i= x.begin(); i != x.end(); ++i) {
std::string s = (*i).str();
if(s == "__init__")
continue;
//if(! m_pyobject.hasAttr( (*i).str() )) continue;
Py::Object o = d->m_pyobject.getAttr(s);
#ifdef KROSS_PYTHON_FUNCTION_DEBUG
QString t;
if(o.isCallable()) t += "isCallable ";
if(o.isDict()) t += "isDict ";
if(o.isList()) t += "isList ";
if(o.isMapping()) t += "isMapping ";
if(o.isNumeric()) t += "isNumeric ";
if(o.isSequence()) t += "isSequence ";
if(o.isTrue()) t += "isTrue ";
if(o.isInstance()) t += "isInstance ";
krossdebug( QString("PythonObject::PythonObject() method '%1' (%2)").arg( (*i).str().as_string().c_str() ).arg(t) );
#endif
if(o.isCallable())
d->m_calls.append( (*i).str().as_string().c_str() );
}
}
PythonObject::~PythonObject()
{
#ifdef KROSS_PYTHON_FUNCTION_DEBUG
krossdebug( QString("PythonObject::~PythonObject() destructor") );
#endif
delete d;
}
QVariant PythonObject::callMethod(const QString& name, const QVariantList& args)
{
#ifdef KROSS_PYTHON_FUNCTION_DEBUG
krossdebug( QString("PythonObject(%1)::call(%2) isInstance=%3").arg(d->m_pyobject.as_string().c_str()).arg(name).arg(d->m_pyobject.isInstance()) );
#endif
//if(d->m_pyobject.isInstance()) { // if it inherits a PyQt4 QObject/QWidget then it's not counted as instance
try {
Py::Callable method = d->m_pyobject.getAttr(name.toLatin1().data());
if (!method.isCallable()) {
krossdebug( QString("%1 is not callable (%2).").arg(name).arg(method.str().as_string().c_str()) );
return QVariant();
}
Py::Object pyresult = method.apply( PythonType<QVariantList,Py::Tuple>::toPyObject(args) );
QVariant result = PythonType<QVariant>::toVariant(pyresult);
#ifdef KROSS_PYTHON_FUNCTION_DEBUG
krossdebug( QString("PythonScript::callFunction() result=%1 variant.toString=%2 variant.typeName=%3").arg(pyresult.as_string().c_str()).arg(result.toString()).arg(result.typeName()) );
#endif
return result;
}
catch(Py::Exception& e) {
//#ifdef KROSS_PYTHON_SCRIPT_CALLFUNC_DEBUG
krosswarning( QString("PythonScript::callFunction() Exception: %1").arg(Py::value(e).as_string().c_str()) );
//#endif
Py::Object err = Py::value(e);
if(err.ptr() == Py_None) err = Py::type(e); // e.g. string-exceptions have there errormessage in the type-object
QStringList trace;
int lineno;
PythonInterpreter::extractException(trace, lineno);
setError(err.as_string().c_str(), trace.join("\n"), lineno);
PyErr_Print();
}
//}
return QVariant();
}
QStringList PythonObject::methodNames()
{
return d->m_calls;
}
Py::Object PythonObject::pyObject()
{
return d->m_pyobject;
}
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