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/*
* python/common - Common functions for DB-All.e python bindings
*
* Copyright (C) 2013 ARPA-SIM <urpsim@smr.arpa.emr.it>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Enrico Zini <enrico@enricozini.com>
*/
#ifndef DBALLE_PYTHON_COMMON_H
#define DBALLE_PYTHON_COMMON_H
#include <Python.h>
#include <wreport/error.h>
#include <wreport/varinfo.h>
namespace dballe {
namespace python {
/**
* Scope-managed python reference: calls Py_DECREF when exiting the scope
*/
struct OwnedPyObject
{
PyObject* o;
OwnedPyObject(PyObject* o) : o(o) {}
~OwnedPyObject() { Py_XDECREF(o); }
/**
* Release the reference without calling Py_DECREF
*/
PyObject* release()
{
PyObject* res = o;
o = NULL;
return res;
}
// Use it as a PyObject
operator PyObject*() { return o; }
// Get the pointer (useful for passing to Py_BuildValue)
PyObject* get() { return o; }
private:
// Disable copy for now
OwnedPyObject(const OwnedPyObject&);
OwnedPyObject& operator=(const OwnedPyObject&);
};
/**
* Return a python string representing a varcode
*/
PyObject* format_varcode(wreport::Varcode code);
/**
* Given a wreport exception, set the Python error indicator appropriately.
*
* @retval
* Always returns NULL, so one can do:
* try {
* // ...code...
* } catch (wreport::error& e) {
* return raise_wreport_exception(e);
* }
*/
PyObject* raise_wreport_exception(const wreport::error& e);
/**
* Given a generic exception, set the Python error indicator appropriately.
*
* @retval
* Always returns NULL, so one can do:
* try {
* // ...code...
* } catch (std::exception& e) {
* return raise_std_exception(e);
* }
*/
PyObject* raise_std_exception(const std::exception& e);
}
}
#endif
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