1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
/* adapter_pboolean.c - psycopg boolean type wrapper implementation
*
* Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
* Copyright (C) 2020-2021 The Psycopg Team
*
* This file is part of psycopg.
*
* psycopg2 is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* In addition, as a special exception, the copyright holders give
* permission to link this program with the OpenSSL library (or with
* modified versions of OpenSSL that use the same license as OpenSSL),
* and distribute linked combinations including the two.
*
* You must obey the GNU Lesser General Public License in all respects for
* all of the code used other than OpenSSL.
*
* psycopg2 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 Lesser General Public
* License for more details.
*/
#define PSYCOPG_MODULE
#include "psycopg/psycopg.h"
#include "psycopg/adapter_pboolean.h"
#include "psycopg/microprotocols_proto.h"
#include <string.h>
/** the Boolean object **/
static PyObject *
pboolean_getquoted(pbooleanObject *self, PyObject *args)
{
if (PyObject_IsTrue(self->wrapped)) {
return Bytes_FromString("true");
}
else {
return Bytes_FromString("false");
}
}
static PyObject *
pboolean_str(pbooleanObject *self)
{
return psyco_ensure_text(pboolean_getquoted(self, NULL));
}
static PyObject *
pboolean_conform(pbooleanObject *self, PyObject *args)
{
PyObject *res, *proto;
if (!PyArg_ParseTuple(args, "O", &proto)) return NULL;
if (proto == (PyObject*)&isqlquoteType)
res = (PyObject*)self;
else
res = Py_None;
Py_INCREF(res);
return res;
}
/** the Boolean object */
/* object member list */
static struct PyMemberDef pbooleanObject_members[] = {
{"adapted", T_OBJECT, offsetof(pbooleanObject, wrapped), READONLY},
{NULL}
};
/* object method table */
static PyMethodDef pbooleanObject_methods[] = {
{"getquoted", (PyCFunction)pboolean_getquoted, METH_NOARGS,
"getquoted() -> wrapped object value as SQL-quoted string"},
{"__conform__", (PyCFunction)pboolean_conform, METH_VARARGS, NULL},
{NULL} /* Sentinel */
};
/* initialization and finalization methods */
static int
pboolean_setup(pbooleanObject *self, PyObject *obj)
{
Dprintf("pboolean_setup: init pboolean object at %p, refcnt = "
FORMAT_CODE_PY_SSIZE_T,
self, Py_REFCNT(self)
);
Py_INCREF(obj);
self->wrapped = obj;
Dprintf("pboolean_setup: good pboolean object at %p, refcnt = "
FORMAT_CODE_PY_SSIZE_T,
self, Py_REFCNT(self)
);
return 0;
}
static void
pboolean_dealloc(PyObject* obj)
{
pbooleanObject *self = (pbooleanObject *)obj;
Py_CLEAR(self->wrapped);
Dprintf("pboolean_dealloc: deleted pboolean object at %p, refcnt = "
FORMAT_CODE_PY_SSIZE_T,
obj, Py_REFCNT(obj)
);
Py_TYPE(obj)->tp_free(obj);
}
static int
pboolean_init(PyObject *obj, PyObject *args, PyObject *kwds)
{
PyObject *o;
if (!PyArg_ParseTuple(args, "O", &o))
return -1;
return pboolean_setup((pbooleanObject *)obj, o);
}
static PyObject *
pboolean_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
{
return type->tp_alloc(type, 0);
}
/* object type */
#define pbooleanType_doc \
"Boolean(str) -> new Boolean adapter object"
PyTypeObject pbooleanType = {
PyVarObject_HEAD_INIT(NULL, 0)
"psycopg2.extensions.Boolean",
sizeof(pbooleanObject), 0,
pboolean_dealloc, /*tp_dealloc*/
0, /*tp_print*/
0, /*tp_getattr*/
0, /*tp_setattr*/
0, /*tp_compare*/
0, /*tp_repr*/
0, /*tp_as_number*/
0, /*tp_as_sequence*/
0, /*tp_as_mapping*/
0, /*tp_hash */
0, /*tp_call*/
(reprfunc)pboolean_str, /*tp_str*/
0, /*tp_getattro*/
0, /*tp_setattro*/
0, /*tp_as_buffer*/
Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /*tp_flags*/
pbooleanType_doc, /*tp_doc*/
0, /*tp_traverse*/
0, /*tp_clear*/
0, /*tp_richcompare*/
0, /*tp_weaklistoffset*/
0, /*tp_iter*/
0, /*tp_iternext*/
pbooleanObject_methods, /*tp_methods*/
pbooleanObject_members, /*tp_members*/
0, /*tp_getset*/
0, /*tp_base*/
0, /*tp_dict*/
0, /*tp_descr_get*/
0, /*tp_descr_set*/
0, /*tp_dictoffset*/
pboolean_init, /*tp_init*/
0, /*tp_alloc*/
pboolean_new, /*tp_new*/
};
|
