Annotation of gpl/axl/py-axl/py_axl_error.c, revision 1.1
1.1 ! misho 1: /**
! 2: * PyAxl: Axl Library python bindings
! 3: * Copyright (C) 2009 Advanced Software Production Line, S.L.
! 4: *
! 5: * This program is free software; you can redistribute it and/or
! 6: * modify it under the terms of the GNU Lesser General Public License
! 7: * as published by the Free Software Foundation; either version 2.1
! 8: * of the License, or (at your option) any later version.
! 9: *
! 10: * This program is distributed in the hope that it will be useful,
! 11: * but WITHOUT ANY WARRANTY; without even the implied warranty of
! 12: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 13: * Lesser General Public License for more details.
! 14: *
! 15: * You should have received a copy of the GNU Lesser General Public
! 16: * License along with this program; if not, write to the Free
! 17: * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
! 18: * 02111-1307 USA
! 19: *
! 20: * You may find a copy of the license under this software is released
! 21: * at COPYING file. This is LGPL software: you are welcome to develop
! 22: * proprietary applications using this library without any royalty or
! 23: * fee but returning back any change, improvement or addition in the
! 24: * form of source code, project image, documentation patches, etc.
! 25: *
! 26: * For commercial support for XML enabled solutions contact us:
! 27: *
! 28: * Postal address:
! 29: * Advanced Software Production Line, S.L.
! 30: * C/ Antonio Suarez Nº 10,
! 31: * Edificio Alius A, Despacho 102
! 32: * Alcalá de Henares 28802 (Madrid)
! 33: * Spain
! 34: *
! 35: * Email address:
! 36: * info@aspl.es - http://www.aspl.es/axl
! 37: */
! 38: #include <py_axl_error.h>
! 39:
! 40: #define LOG_DOMAIN "py-axl-error"
! 41:
! 42: struct _PyAxlError {
! 43: /* header required to initialize python required bits for
! 44: every python object */
! 45: PyObject_HEAD
! 46:
! 47: /* pointer to the axl error */
! 48: axlError * error;
! 49: };
! 50:
! 51: static int py_axl_error_init_type (PyAxlError *self, PyObject *args, PyObject *kwds)
! 52: {
! 53: return 0;
! 54: }
! 55:
! 56: /**
! 57: * @brief Function used to allocate memory required by the object
! 58: * axl.Error
! 59: */
! 60: static PyObject * py_axl_error_new (PyTypeObject *type, PyObject *args, PyObject *kwds)
! 61: {
! 62: PyAxlError *self;
! 63:
! 64: /* create the object */
! 65: self = (PyAxlError *)type->tp_alloc(type, 0);
! 66:
! 67: return (PyObject *)self;
! 68: }
! 69:
! 70: /**
! 71: * @brief Function used to finish and dealloc memory used by the
! 72: * object axl.Error
! 73: */
! 74: static void py_axl_error_dealloc (PyAxlError* self)
! 75: {
! 76: axl_error_free (self->error);
! 77: self->error = NULL;
! 78:
! 79: /* free the node it self */
! 80: self->ob_type->tp_free ((PyObject*)self);
! 81:
! 82: return;
! 83: }
! 84:
! 85: /**
! 86: * @brief This function implements the generic attribute getting that
! 87: * allows to perform complex member resolution (not merely direct
! 88: * member access).
! 89: */
! 90: PyObject * py_axl_error_get_attr (PyObject *o, PyObject *attr_name) {
! 91: const char * attr = NULL;
! 92: PyObject * result;
! 93: PyAxlError * self = (PyAxlError *) o;
! 94:
! 95: /* now implement other attributes */
! 96: if (! PyArg_Parse (attr_name, "s", &attr))
! 97: return NULL;
! 98:
! 99: __axl_log (LOG_DOMAIN, AXL_LEVEL_DEBUG, "received request to report axl.Error attr name %s (self: %p)",
! 100: attr, o);
! 101:
! 102: if (axl_cmp (attr, "code")) {
! 103: return Py_BuildValue ("i", axl_error_get_code (self->error));
! 104: } else if (axl_cmp (attr, "msg")) {
! 105: return Py_BuildValue ("s", axl_error_get (self->error));
! 106: }
! 107:
! 108: /* first implement generic attr already defined */
! 109: result = PyObject_GenericGetAttr (o, attr_name);
! 110: if (result)
! 111: return result;
! 112:
! 113: return NULL;
! 114: }
! 115:
! 116: /**
! 117: * @brief Implements attribute set operation.
! 118: */
! 119: int py_axl_error_set_attr (PyObject *o, PyObject *attr_name, PyObject *v)
! 120: {
! 121: const char * attr = NULL;
! 122: /* PyAxlError * self = (PyAxlError *) o; */
! 123: /* axl_bool boolean_value = axl_false; */
! 124:
! 125: /* now implement other attributes */
! 126: if (! PyArg_Parse (attr_name, "s", &attr))
! 127: return -1;
! 128:
! 129: /* now implement generic setter */
! 130: return PyObject_GenericSetAttr (o, attr_name, v);
! 131: }
! 132:
! 133: static PyMethodDef py_axl_error_methods[] = {
! 134: {NULL}
! 135: };
! 136:
! 137: static PyTypeObject PyAxlErrorType = {
! 138: PyObject_HEAD_INIT(NULL)
! 139: 0, /* ob_size*/
! 140: "axl.Error", /* tp_name*/
! 141: sizeof(PyAxlError), /* tp_basicsize*/
! 142: 0, /* tp_itemsize*/
! 143: (destructor)py_axl_error_dealloc, /* tp_dealloc*/
! 144: 0, /* tp_print*/
! 145: 0, /* tp_getattr*/
! 146: 0, /* tp_setattr*/
! 147: 0, /* tp_compare*/
! 148: 0, /* tp_repr*/
! 149: 0, /* tp_as_number*/
! 150: 0, /* tp_as_sequence*/
! 151: 0, /* tp_as_mapping*/
! 152: 0, /* tp_hash */
! 153: 0, /* tp_call*/
! 154: 0, /* tp_str*/
! 155: py_axl_error_get_attr, /* tp_getattro*/
! 156: py_axl_error_set_attr, /* tp_setattro*/
! 157: 0, /* tp_as_buffer*/
! 158: Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /* tp_flags*/
! 159: "Error object; wrapper of axlError API type", /* tp_doc */
! 160: 0, /* tp_traverse */
! 161: 0, /* tp_clear */
! 162: 0, /* tp_richcompare */
! 163: 0, /* tp_weaklistoffset */
! 164: 0, /* tp_iter */
! 165: 0, /* tp_iternext */
! 166: py_axl_error_methods, /* tp_methods */
! 167: 0, /* py_axl_error_members, */ /* tp_members */
! 168: 0, /* tp_getset */
! 169: 0, /* tp_base */
! 170: 0, /* tp_dict */
! 171: 0, /* tp_descr_get */
! 172: 0, /* tp_descr_set */
! 173: 0, /* tp_dictoffset */
! 174: (initproc)py_axl_error_init_type, /* tp_init */
! 175: 0, /* tp_alloc */
! 176: py_axl_error_new, /* tp_new */
! 177:
! 178: };
! 179:
! 180:
! 181: /**
! 182: * @brief Allows to check if the PyObject received represents a
! 183: * PyAxlError reference.
! 184: */
! 185: axl_bool py_axl_error_check (PyObject * obj)
! 186: {
! 187: /* check null references */
! 188: if (obj == NULL)
! 189: return axl_false;
! 190:
! 191: /* return check result */
! 192: return PyObject_TypeCheck (obj, &PyAxlErrorType);
! 193: }
! 194:
! 195: PyObject * py_axl_error_create (axlError * error)
! 196: {
! 197: /* return a new instance */
! 198: PyAxlError * obj = (PyAxlError *) PyObject_CallObject ((PyObject *) &PyAxlErrorType, NULL);
! 199:
! 200: /* check ref created */
! 201: if (obj == NULL) {
! 202: __axl_log (LOG_DOMAIN, AXL_LEVEL_CRITICAL, "Failed to create PyAxlError object, returning NULL");
! 203: return NULL;
! 204: } /* end if */
! 205:
! 206: /* set error if defined */
! 207: if (error)
! 208: obj->error = error;
! 209:
! 210: return __PY_OBJECT (obj);
! 211: }
! 212:
! 213: void init_axl_error (PyObject * module)
! 214: {
! 215: /* register type */
! 216: if (PyType_Ready(&PyAxlErrorType) < 0)
! 217: return;
! 218:
! 219: Py_INCREF (&PyAxlErrorType);
! 220: PyModule_AddObject(module, "Error", (PyObject *)&PyAxlErrorType);
! 221:
! 222: return;
! 223: }
! 224:
! 225:
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