first commit based on psycopg2 2.9 version

2021-07-05 21:34:17 +08:00
parent d126b6ec53
commit 3553ed0e30
178 changed files with 51253 additions and 0 deletions
--- a/psycopg/lobject.h
+++ b/psycopg/lobject.h
@ -0,0 +1,102 @@
+/* lobject.h - definition for the psycopg lobject type
+ *
+ * Copyright (C) 2006-2019 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.
+ */
+
+#ifndef PSYCOPG_LOBJECT_H
+#define PSYCOPG_LOBJECT_H 1
+
+#include <libpq/libpq-fs.h>
+
+#include "psycopg/connection.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern HIDDEN PyTypeObject lobjectType;
+
+typedef struct {
+    PyObject HEAD;
+
+    connectionObject *conn;  /* connection owning the lobject */
+    long int mark;           /* copied from conn->mark */
+
+    char *smode;             /* string mode if lobject was opened */
+    int mode;                /* numeric version of smode */
+
+    int fd;                  /* the file descriptor for file-like ops */
+    Oid oid;                 /* the oid for this lobject */
+} lobjectObject;
+
+/* functions exported from lobject_int.c */
+
+RAISES_NEG HIDDEN int lobject_open(lobjectObject *self, connectionObject *conn,
+                                   Oid oid, const char *smode, Oid new_oid,
+                                   const char *new_file);
+RAISES_NEG HIDDEN int lobject_unlink(lobjectObject *self);
+RAISES_NEG HIDDEN int lobject_export(lobjectObject *self, const char *filename);
+
+RAISES_NEG HIDDEN Py_ssize_t lobject_read(lobjectObject *self, char *buf, size_t len);
+RAISES_NEG HIDDEN Py_ssize_t lobject_write(lobjectObject *self, const char *buf,
+                                size_t len);
+RAISES_NEG HIDDEN Py_ssize_t lobject_seek(lobjectObject *self, Py_ssize_t pos, int whence);
+RAISES_NEG HIDDEN Py_ssize_t lobject_tell(lobjectObject *self);
+RAISES_NEG HIDDEN int lobject_truncate(lobjectObject *self, size_t len);
+RAISES_NEG HIDDEN int lobject_close(lobjectObject *self);
+
+#define lobject_is_closed(self) \
+    ((self)->fd < 0 || !(self)->conn || (self)->conn->closed)
+
+/* exception-raising macros */
+
+#define EXC_IF_LOBJ_CLOSED(self) \
+  if (lobject_is_closed(self)) { \
+    PyErr_SetString(InterfaceError, "lobject already closed");  \
+    return NULL; }
+
+#define EXC_IF_LOBJ_LEVEL0(self) \
+if (self->conn->autocommit) {                                       \
+    psyco_set_error(ProgrammingError, NULL,                         \
+        "can't use a lobject outside of transactions");             \
+    return NULL;                                                    \
+}
+#define EXC_IF_LOBJ_UNMARKED(self) \
+if (self->conn->mark != self->mark) {                  \
+    psyco_set_error(ProgrammingError, NULL,            \
+        "lobject isn't valid anymore");                \
+    return NULL;                                       \
+}
+
+/* Values for the lobject mode */
+#define LOBJECT_READ  1
+#define LOBJECT_WRITE 2
+#define LOBJECT_BINARY 4
+#define LOBJECT_TEXT 8
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !defined(PSYCOPG_LOBJECT_H) */