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/*
* This file is part of pyElemental, a periodic table Python module with
* detailed information on elements.
*
* Copyright (C) 2006-2007 Kevin Daughtridge <kevin@kdau.com>
*
* 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 3 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "misc.hh"
bool
X_PyType_AddIntConstant (PyTypeObject* type, const char* name, long value)
{
return PyDict_SetItemString (X_PYOBJECT (type->tp_dict),
name, PyInt_FromLong (value)) == 0;
}
bool
X_PyObject_CheckAttr (PyObject* attr, PyTypeObject* attrtype,
const char* attrname, PyTypeObject* type)
{
if (attr == NULL)
{
PyErr_Format (PyExc_TypeError, "cannot delete a %s %s",
type->tp_name, attrname);
return false;
}
else if (!PyObject_TypeCheck (attr, attrtype))
{
PyErr_Format (PyExc_TypeError, "A %s %s must be a(n) %s.",
type->tp_name, attrname, attrtype->tp_name);
return false;
}
else
return true;
}
bool
X_PySequence_CheckItems (PyObject* seq, PyTypeObject* type)
{
if (!PySequence_Check (seq)) return false;
int size = PySequence_Size (seq);
if (size < 0) return false;
for (int i = 0; i < size; ++i)
{
PyObject *item = PySequence_GetItem (seq, i);
if (item == NULL) return false;
bool item_valid = PyObject_TypeCheck (item, type);
Py_DECREF (item);
if (!item_valid) return false;
}
return true;
}
PyObject*
X_PyString_FromCxxString (const std::string& source)
{
return PyString_FromString (source.data ());
}
PyObject*
X_PyUnicode_FromUstring (const Glib::ustring& source)
{
return PyUnicode_DecodeUTF8 (source.data (), source.raw ().size (), NULL);
}
Glib::ustring
X_PyUnicode_AsUstring (PyObject* self)
{
if (self == NULL) return Glib::ustring ();
PyObject *str = PyUnicode_AsUTF8String (self);
if (str == NULL) return Glib::ustring ();
Glib::ustring result = PyString_AsString (str);
Py_DECREF (str);
return result;
}
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