python/src/relation.c

   1 /*#############################################################################
   2 #                                                                             #
   3 # Pakfire - The IPFire package management system                              #
   4 # Copyright (C) 2011 Pakfire development team                                 #
   5 #                                                                             #
   6 # This program is free software: you can redistribute it and/or modify        #
   7 # it under the terms of the GNU General Public License as published by        #
   8 # the Free Software Foundation, either version 3 of the License, or           #
   9 # (at your option) any later version.                                         #
  10 #                                                                             #
  11 # This program is distributed in the hope that it will be useful,             #
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of              #
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
  14 # GNU General Public License for more details.                                #
  15 #                                                                             #
  16 # You should have received a copy of the GNU General Public License           #
  17 # along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
  18 #                                                                             #
  19 #############################################################################*/
  20
  21 #include "pool.h"
  22 #include "relation.h"
  23
  24 #define REL_NONE 0
  25
  26 PyTypeObject RelationType = {
  27         PyObject_HEAD_INIT(NULL)
  28         tp_name: "_pakfire.Relation",
  29         tp_basicsize: sizeof(RelationObject),
  30         tp_flags: Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
  31         tp_new : Relation_new,
  32         tp_dealloc: (destructor) Relation_dealloc,
  33         tp_doc: "Sat Relation objects",
  34         tp_str: (reprfunc)Relation_string,
  35 };
  36
  37 PyObject* Relation_new(PyTypeObject *type, PyObject *args, PyObject *kwds) {
  38         RelationObject *self;
  39         PoolObject *pool;
  40         const char *name;
  41         const char *evr = NULL;
  42         int flags = 0;
  43
  44         if (!PyArg_ParseTuple(args, "Os|si", &pool, &name, &evr, &flags)) {
  45                 /* XXX raise exception */
  46                 return NULL;
  47         }
  48
  49         Id _name = pool_str2id(pool->_pool, name, 1);
  50
  51         self = (RelationObject *)type->tp_alloc(type, 0);
  52         if (self != NULL) {
  53                 if (flags == REL_NONE) {
  54                         self->_id = _name;
  55                 } else {
  56                         Id _evr = pool_str2id(pool->_pool, evr, 1);
  57                         self->_id = pool_rel2id(pool->_pool, _name, _evr, flags, 1);
  58                 }
  59
  60                 self->_pool = pool->_pool;
  61         }
  62
  63         return (PyObject *)self;
  64 }
  65
  66 PyObject *Relation_dealloc(RelationObject *self) {
  67         self->ob_type->tp_free((PyObject *)self);
  68
  69         Py_RETURN_NONE;
  70 }
  71
  72 PyObject *Relation_string(RelationObject *self) {
  73         return Py_BuildValue("s", pool_dep2str(self->_pool, self->_id));
  74 }