FazBrowse GitHub Viewer
|
Trending
|
URL:
|
Home
Tools:
[Download Repo ZIP]
[View Raw Code]
[Original HTTPS Page]
cpython/Modules/_sqlite/util.c at 3.15 · python/cpython · GitHub
python
cpython
Repository navigation
Code
Issues
5k+
(5k+)
Pull requests
2.3k
(2.3k)
Actions
Projects
Security and quality
Insights
Expand file tree
Breadcrumbs
cpython
/
Modules
/
_sqlite
/
util.c
Copy path
More file actions
More file actions
Latest commit
History
History
History
186 lines (172 loc) · 5.22 KB
Breadcrumbs
cpython
/
Modules
/
_sqlite
/
util.c
Copy path
File metadata and controls
186 lines (172 loc) · 5.22 KB
Raw
Copy raw file
Download raw file
Open symbols panel
Edit and raw actions
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
186
/* util.c - various utility functions
*
* Copyright (C) 2005-2010 Gerhard Häring <gh@ghaering.de>
*
* This file is part of pysqlite.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*/
#ifndef
Py_BUILD_CORE_BUILTIN
# define
Py_BUILD_CORE_MODULE
1
#endif
#include
"module.h"
#include
"pycore_long.h"
// _PyLong_AsByteArray()
#include
"connection.h"
// Returns non-NULL if a new exception should be raised
static
PyObject
*
get_exception_class
(
pysqlite_state
*
state
,
int
errorcode
)
{
switch
(
errorcode
) {
case
SQLITE_OK
:
PyErr_Clear
();
return
NULL
;
case
SQLITE_INTERNAL
:
case
SQLITE_NOTFOUND
:
return
state
->
InternalError
;
case
SQLITE_NOMEM
:
return
PyErr_NoMemory
();
case
SQLITE_ERROR
:
case
SQLITE_PERM
:
case
SQLITE_ABORT
:
case
SQLITE_BUSY
:
case
SQLITE_LOCKED
:
case
SQLITE_READONLY
:
case
SQLITE_INTERRUPT
:
case
SQLITE_IOERR
:
case
SQLITE_FULL
:
case
SQLITE_CANTOPEN
:
case
SQLITE_PROTOCOL
:
case
SQLITE_EMPTY
:
case
SQLITE_SCHEMA
:
return
state
->
OperationalError
;
case
SQLITE_CORRUPT
:
return
state
->
DatabaseError
;
case
SQLITE_TOOBIG
:
return
state
->
DataError
;
case
SQLITE_CONSTRAINT
:
case
SQLITE_MISMATCH
:
return
state
->
IntegrityError
;
case
SQLITE_MISUSE
:
case
SQLITE_RANGE
:
return
state
->
InterfaceError
;
default
:
return
state
->
DatabaseError
;
}
}
static
void
raise_exception
(
PyObject
*
type
,
int
errcode
,
const
char
*
errmsg
)
{
PyObject
*
exc
=
NULL
;
PyObject
*
args
[]
=
{
PyUnicode_FromString
(
errmsg
), };
if
(
args
[
0
]
==
NULL
) {
goto
exit
;
}
exc
=
PyObject_Vectorcall
(
type
,
args
,
1
,
NULL
);
Py_DECREF
(
args
[
0
]);
if
(
exc
==
NULL
) {
goto
exit
;
}
PyObject
*
code
=
PyLong_FromLong
(
errcode
);
if
(
code
==
NULL
) {
goto
exit
;
}
int
rc
=
PyObject_SetAttrString
(
exc
,
"sqlite_errorcode"
,
code
);
Py_DECREF
(
code
);
if
(
rc
<
0
) {
goto
exit
;
}
const
char
*
error_name
=
pysqlite_error_name
(
errcode
);
PyObject
*
name
;
if
(
error_name
) {
name
=
PyUnicode_FromString
(
error_name
);
}
else
{
name
=
PyUnicode_InternFromString
(
"unknown"
);
}
if
(
name
==
NULL
) {
goto
exit
;
}
rc
=
PyObject_SetAttrString
(
exc
,
"sqlite_errorname"
,
name
);
Py_DECREF
(
name
);
if
(
rc
<
0
) {
goto
exit
;
}
PyErr_SetObject
(
type
,
exc
);
exit
:
Py_XDECREF
(
exc
);
}
void
set_error_from_code
(
pysqlite_state
*
state
,
int
code
)
{
PyObject
*
exc_class
=
get_exception_class
(
state
,
code
);
if
(
exc_class
==
NULL
) {
// No new exception need be raised.
return
;
}
const
char
*
errmsg
=
sqlite3_errstr
(
code
);
assert
(
errmsg
!=
NULL
);
raise_exception
(
exc_class
,
code
,
errmsg
);
}
/**
* Checks the SQLite error code and sets the appropriate DB-API exception.
*/
int
set_error_from_db
(
pysqlite_state
*
state
,
sqlite3
*
db
)
{
int
errorcode
=
sqlite3_errcode
(
db
);
PyObject
*
exc_class
=
get_exception_class
(
state
,
errorcode
);
if
(
exc_class
==
NULL
) {
// No new exception need be raised.
return
SQLITE_OK
;
}
/* Create and set the exception. */
int
extended_errcode
=
sqlite3_extended_errcode
(
db
);
// sqlite3_errmsg() always returns an UTF-8 encoded message
const
char
*
errmsg
=
sqlite3_errmsg
(
db
);
raise_exception
(
exc_class
,
extended_errcode
,
errmsg
);
return
errorcode
;
}
#ifdef
WORDS_BIGENDIAN
# define
IS_LITTLE_ENDIAN
0
#else
# define
IS_LITTLE_ENDIAN
1
#endif
sqlite_int64
_pysqlite_long_as_int64
(
PyObject
*
py_val
)
{
int
overflow
;
long long
value
=
PyLong_AsLongLongAndOverflow
(
py_val
,
&
overflow
);
if
(
value
==
-1
&&
PyErr_Occurred
())
return
-1
;
if
(!
overflow
) {
# if
SIZEOF_LONG_LONG
>
8
if
(
-0x8000000000000000LL
<=
value
&&
value
<=
0x7FFFFFFFFFFFFFFFLL
)
# endif
return
value
;
}
else
if
(
sizeof
(
value
)
<
sizeof
(
sqlite_int64
)) {
sqlite_int64
int64val
;
if
(
_PyLong_AsByteArray
((
PyLongObject
*
)
py_val
,
(
unsigned
char
*
)
&
int64val
,
sizeof
(
int64val
),
IS_LITTLE_ENDIAN
,
1
/* signed */
,
0
) >=
0
) {
return
int64val
;
}
}
PyErr_SetString
(
PyExc_OverflowError
,
"Python int too large to convert to SQLite INTEGER"
);
return
-1
;
}
Back
|
FazBrowse Home
|
New Git URL