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| author | Federico Di Gregorio <fog@initd.org> | 2006-09-01 16:27:02 +0000 |
|---|---|---|
| committer | Federico Di Gregorio <fog@initd.org> | 2006-09-01 16:27:02 +0000 |
| commit | b8f3cef62f548716a2023e7e36c7a6f4d4058558 (patch) | |
| tree | 644c820737669abcf934ae4c61a3a7324d41fdce /psycopg/lobject.h | |
| parent | 64933f2004350b7c3d9221c1a8d002e0f5ce3cc0 (diff) | |
| download | psycopg2-b8f3cef62f548716a2023e7e36c7a6f4d4058558.tar.gz | |
psycopg is enlarging..
Diffstat (limited to 'psycopg/lobject.h')
| -rw-r--r-- | psycopg/lobject.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/psycopg/lobject.h b/psycopg/lobject.h new file mode 100644 index 0000000..19ba0d3 --- /dev/null +++ b/psycopg/lobject.h @@ -0,0 +1,74 @@ +/* lobject.h - definition for the psycopg lobject type + * + * Copyright (C) 2006 Federico Di Gregorio <fog@debian.org> + * + * This file is part of psycopg. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2, + * or (at your option) any later version. + * + * This program 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 General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef PSYCOPG_LOBJECT_H +#define PSYCOPG_LOBJECT_H 1 + +#include <Python.h> +#include <libpq-fe.h> +#include <libpq/libpq-fs.h> + +#include "psycopg/connection.h" + +#ifdef __cplusplus +extern "C" { +#endif + +extern PyTypeObject lobjectType; + +typedef struct { + PyObject HEAD; + + connectionObject *conn; /* connection owning the lobject */ + + int closed:1; /* 1 if the lobject is closed */ + + long int mark; /* copied from conn->mark */ + + Oid oid; /* the oid for this lobject */ + int fd; /* the file descriptor for file-like ops */ +} lobjectObject; + + +/* exception-raising macros */ +#define EXC_IF_LOBJ_CLOSED(self) \ +if ((self)->closed || ((self)->conn && (self)->conn->closed)) { \ + PyErr_SetString(InterfaceError, "lobject already closed"); \ + return NULL; } + +#define EXC_IF_LOBJ_LEVEL0(self) \ +if (self->conn->isolation_level == 0) { \ + psyco_set_error(ProgrammingError, (PyObject*)self, \ + "can't use a lobject outside of transactions", NULL, NULL); \ + return NULL; \ +} +#define EXC_IF_LOBJ_UNMARKED(self) \ +if (self->conn->mark != self->mark) { \ + psyco_set_error(ProgrammingError, (PyObject*)self, \ + "lobject isn't valid anymore", NULL, NULL); \ + return NULL; \ +} + +#ifdef __cplusplus +} +#endif + +#endif /* !defined(PSYCOPG_LOBJECT_H) */ |
