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author | Anthony Baxter <anthonybaxter@gmail.com> | 2006-04-01 00:57:31 (GMT) |
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committer | Anthony Baxter <anthonybaxter@gmail.com> | 2006-04-01 00:57:31 (GMT) |
commit | c51ee69b27a35bb45e501766dd33674eae7ddb30 (patch) | |
tree | 7853c32c266a623463cdd632178a298b1c0e53a1 /Modules/_sqlite/util.c | |
parent | c17976e9833f3093adb1019356737e728a24f7c9 (diff) | |
download | cpython-c51ee69b27a35bb45e501766dd33674eae7ddb30.zip cpython-c51ee69b27a35bb45e501766dd33674eae7ddb30.tar.gz cpython-c51ee69b27a35bb45e501766dd33674eae7ddb30.tar.bz2 |
merged the sqlite-integration branch.
This is based on pysqlite2.1.3, and provides a DB-API interface in
the standard library. You'll need sqlite 3.2.2 or later to build
this - if you have an earlier version, the C extension module will
not be built.
Diffstat (limited to 'Modules/_sqlite/util.c')
-rw-r--r-- | Modules/_sqlite/util.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/Modules/_sqlite/util.c b/Modules/_sqlite/util.c new file mode 100644 index 0000000..ec400a1 --- /dev/null +++ b/Modules/_sqlite/util.c @@ -0,0 +1,147 @@ +/* util.c - various utility functions + * + * Copyright (C) 2005 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. + */ + +#include "module.h" +#include "connection.h" + +/* + * it's not so trivial to write a portable sleep in C. For now, the simplest + * solution is to just use Python's sleep(). + */ +void pysqlite_sleep(double seconds) +{ + PyObject* ret; + + ret = PyObject_CallFunction(time_sleep, "d", seconds); + Py_DECREF(ret); +} + +double pysqlite_time(void) +{ + PyObject* ret; + double time; + + ret = PyObject_CallFunction(time_time, ""); + time = PyFloat_AsDouble(ret); + Py_DECREF(ret); + + return time; +} + +int _sqlite_step_with_busyhandler(sqlite3_stmt* statement, Connection* connection +) +{ + int rc; + + Py_BEGIN_ALLOW_THREADS + rc = sqlite3_step(statement); + Py_END_ALLOW_THREADS + + return rc; +} + +/** + * Checks the SQLite error code and sets the appropriate DB-API exception. + * Returns the error code (0 means no error occured). + */ +int _seterror(sqlite3* db) +{ + int errorcode; + + errorcode = sqlite3_errcode(db); + + switch (errorcode) + { + case SQLITE_OK: + PyErr_Clear(); + break; + case SQLITE_ERROR: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_INTERNAL: + PyErr_SetString(InternalError, sqlite3_errmsg(db)); + break; + case SQLITE_PERM: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_ABORT: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_BUSY: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_LOCKED: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_NOMEM: + (void)PyErr_NoMemory(); + break; + case SQLITE_READONLY: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_INTERRUPT: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_IOERR: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_CORRUPT: + PyErr_SetString(DatabaseError, sqlite3_errmsg(db)); + break; + case SQLITE_NOTFOUND: + PyErr_SetString(InternalError, sqlite3_errmsg(db)); + break; + case SQLITE_FULL: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_CANTOPEN: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_PROTOCOL: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_EMPTY: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_SCHEMA: + PyErr_SetString(OperationalError, sqlite3_errmsg(db)); + break; + case SQLITE_TOOBIG: + PyErr_SetString(DataError, sqlite3_errmsg(db)); + break; + case SQLITE_CONSTRAINT: + PyErr_SetString(IntegrityError, sqlite3_errmsg(db)); + break; + case SQLITE_MISMATCH: + PyErr_SetString(IntegrityError, sqlite3_errmsg(db)); + break; + case SQLITE_MISUSE: + PyErr_SetString(ProgrammingError, sqlite3_errmsg(db)); + break; + default: + PyErr_SetString(DatabaseError, sqlite3_errmsg(db)); + } + + return errorcode; +} + |