src/python/network.c

   1 /*
   2         libloc - A library to determine the location of someone on the Internet
   3
   4         Copyright (C) 2017 IPFire Development Team <info@ipfire.org>
   5
   6         This library is free software; you can redistribute it and/or
   7         modify it under the terms of the GNU Lesser General Public
   8         License as published by the Free Software Foundation; either
   9         version 2.1 of the License, or (at your option) any later version.
  10
  11         This library 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 GNU
  14         Lesser General Public License for more details.
  15 */
  16
  17 #include <Python.h>
  18
  19 #include <errno.h>
  20
  21 #include <loc/libloc.h>
  22 #include <loc/network.h>
  23
  24 #include "locationmodule.h"
  25 #include "network.h"
  26
  27 static PyObject* Network_new(PyTypeObject* type, PyObject* args, PyObject* kwds) {
  28         NetworkObject* self = (NetworkObject*)type->tp_alloc(type, 0);
  29
  30         return (PyObject*)self;
  31 }
  32
  33 static void Network_dealloc(NetworkObject* self) {
  34         if (self->network)
  35                 loc_network_unref(self->network);
  36
  37         Py_TYPE(self)->tp_free((PyObject* )self);
  38 }
  39
  40 static int Network_init(NetworkObject* self, PyObject* args, PyObject* kwargs) {
  41         const char* network = NULL;
  42
  43         if (!PyArg_ParseTuple(args, "s", &network))
  44                 return -1;
  45
  46         // Load the Network
  47         int r = loc_network_new_from_string(loc_ctx, &self->network, network);
  48         if (r) {
  49                 PyErr_Format(PyExc_ValueError, "Invalid network: %s", network);
  50                 return -1;
  51         }
  52
  53         return 0;
  54 }
  55
  56 static PyObject* Network_repr(NetworkObject* self) {
  57         char* network = loc_network_str(self->network);
  58
  59         PyObject* obj = PyUnicode_FromFormat("<location.Network %s>", network);
  60         free(network);
  61
  62         return obj;
  63 }
  64
  65 static PyObject* Network_get_country_code(NetworkObject* self) {
  66         const char* country_code = loc_network_get_country_code(self->network);
  67
  68         return PyUnicode_FromString(country_code);
  69 }
  70
  71 static int Network_set_country_code(NetworkObject* self, PyObject* value) {
  72         const char* country_code = PyUnicode_AsUTF8(value);
  73
  74         int r = loc_network_set_country_code(self->network, country_code);
  75         if (r) {
  76                 if (r == -EINVAL)
  77                         PyErr_SetString(PyExc_ValueError, "Invalid country code");
  78
  79                 return -1;
  80         }
  81
  82         return 0;
  83 }
  84
  85 static struct PyGetSetDef Network_getsetters[] = {
  86         {
  87                 "country_code",
  88                 (getter)Network_get_country_code,
  89                 (setter)Network_set_country_code,
  90                 NULL,
  91                 NULL,
  92         },
  93         { NULL },
  94 };
  95
  96 PyTypeObject NetworkType = {
  97         PyVarObject_HEAD_INIT(NULL, 0)
  98         tp_name:                "location.Network",
  99         tp_basicsize:           sizeof(NetworkObject),
 100         tp_flags:               Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE,
 101         tp_new:                 Network_new,
 102         tp_dealloc:             (destructor)Network_dealloc,
 103         tp_init:                (initproc)Network_init,
 104         tp_doc:                 "Network object",
 105         tp_getset:              Network_getsetters,
 106         tp_repr:                (reprfunc)Network_repr,
 107 };