mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-10 19:16:34 +03:00
Added utils.h file
utils.c functions definition moved out of psycopg.h Some utility functions defined into psycopgmodule.c moved into utils.c.
This commit is contained in:
parent
daff2ea1be
commit
7a1fb9a2e4
|
@ -36,6 +36,7 @@
|
|||
|
||||
#include "psycopg/config.h"
|
||||
#include "psycopg/python.h"
|
||||
#include "psycopg/utils.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
|
@ -115,35 +116,6 @@ typedef struct {
|
|||
char *pyenc;
|
||||
} encodingPair;
|
||||
|
||||
/* the Decimal type, used by the DECIMAL typecaster */
|
||||
HIDDEN PyObject *psyco_GetDecimalType(void);
|
||||
|
||||
/* forward declarations */
|
||||
typedef struct cursorObject cursorObject;
|
||||
typedef struct connectionObject connectionObject;
|
||||
typedef struct replicationMessageObject replicationMessageObject;
|
||||
|
||||
/* some utility functions */
|
||||
RAISES HIDDEN PyObject *psyco_set_error(PyObject *exc, cursorObject *curs, const char *msg);
|
||||
|
||||
HIDDEN char *psycopg_escape_string(connectionObject *conn,
|
||||
const char *from, Py_ssize_t len, char *to, Py_ssize_t *tolen);
|
||||
HIDDEN char *psycopg_escape_identifier(connectionObject *conn,
|
||||
const char *str, Py_ssize_t len);
|
||||
HIDDEN int psycopg_strdup(char **to, const char *from, Py_ssize_t len);
|
||||
HIDDEN int psycopg_is_text_file(PyObject *f);
|
||||
HIDDEN PyObject *psycopg_text_from_chars_safe(
|
||||
const char *str, Py_ssize_t len, PyObject *decoder);
|
||||
|
||||
STEALS(1) HIDDEN PyObject * psycopg_ensure_bytes(PyObject *obj);
|
||||
|
||||
STEALS(1) HIDDEN PyObject * psycopg_ensure_text(PyObject *obj);
|
||||
|
||||
HIDDEN PyObject *psycopg_dict_from_conninfo_options(PQconninfoOption *options,
|
||||
int include_password);
|
||||
|
||||
HIDDEN PyObject *psycopg_make_dsn(PyObject *dsn, PyObject *kwargs);
|
||||
|
||||
/* Exceptions docstrings */
|
||||
#define Error_doc \
|
||||
"Base class for error exceptions."
|
||||
|
|
|
@ -39,7 +39,6 @@
|
|||
#include "psycopg/typecast.h"
|
||||
#include "psycopg/microprotocols.h"
|
||||
#include "psycopg/microprotocols_proto.h"
|
||||
#include "psycopg/error.h"
|
||||
#include "psycopg/conninfo.h"
|
||||
#include "psycopg/diagnostics.h"
|
||||
|
||||
|
@ -722,116 +721,6 @@ psyco_errors_set(PyObject *type)
|
|||
}
|
||||
}
|
||||
|
||||
/* psyco_set_error
|
||||
|
||||
Create a new error of the given type with extra attributes. */
|
||||
|
||||
/* TODO: may have been changed to BORROWED */
|
||||
RAISES PyObject *
|
||||
psyco_set_error(PyObject *exc, cursorObject *curs, const char *msg)
|
||||
{
|
||||
PyObject *pymsg;
|
||||
PyObject *err = NULL;
|
||||
connectionObject *conn = NULL;
|
||||
|
||||
if (curs) {
|
||||
conn = ((cursorObject *)curs)->conn;
|
||||
}
|
||||
|
||||
if ((pymsg = conn_text_from_chars(conn, msg))) {
|
||||
err = PyObject_CallFunctionObjArgs(exc, pymsg, NULL);
|
||||
Py_DECREF(pymsg);
|
||||
}
|
||||
else {
|
||||
/* what's better than an error in an error handler in the morning?
|
||||
* Anyway, some error was set, refcount is ok... get outta here. */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (err && PyObject_TypeCheck(err, &errorType)) {
|
||||
errorObject *perr = (errorObject *)err;
|
||||
if (curs) {
|
||||
Py_CLEAR(perr->cursor);
|
||||
Py_INCREF(curs);
|
||||
perr->cursor = curs;
|
||||
}
|
||||
}
|
||||
|
||||
if (err) {
|
||||
PyErr_SetObject(exc, err);
|
||||
Py_DECREF(err);
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
|
||||
/* Return nonzero if the current one is the main interpreter */
|
||||
static int
|
||||
psyco_is_main_interp(void)
|
||||
{
|
||||
static PyInterpreterState *main_interp = NULL; /* Cached reference */
|
||||
PyInterpreterState *interp;
|
||||
|
||||
if (main_interp) {
|
||||
return (main_interp == PyThreadState_Get()->interp);
|
||||
}
|
||||
|
||||
/* No cached value: cache the proper value and try again. */
|
||||
interp = PyInterpreterState_Head();
|
||||
while (interp->next)
|
||||
interp = interp->next;
|
||||
|
||||
main_interp = interp;
|
||||
assert (main_interp);
|
||||
return psyco_is_main_interp();
|
||||
}
|
||||
|
||||
|
||||
/* psyco_GetDecimalType
|
||||
|
||||
Return a new reference to the adapter for decimal type.
|
||||
|
||||
If decimals should be used but the module import fails, fall back on
|
||||
the float type.
|
||||
|
||||
If decimals are not to be used, return NULL.
|
||||
*/
|
||||
|
||||
PyObject *
|
||||
psyco_GetDecimalType(void)
|
||||
{
|
||||
static PyObject *cachedType = NULL;
|
||||
PyObject *decimalType = NULL;
|
||||
PyObject *decimal;
|
||||
|
||||
/* Use the cached object if running from the main interpreter. */
|
||||
int can_cache = psyco_is_main_interp();
|
||||
if (can_cache && cachedType) {
|
||||
Py_INCREF(cachedType);
|
||||
return cachedType;
|
||||
}
|
||||
|
||||
/* Get a new reference to the Decimal type. */
|
||||
decimal = PyImport_ImportModule("decimal");
|
||||
if (decimal) {
|
||||
decimalType = PyObject_GetAttrString(decimal, "Decimal");
|
||||
Py_DECREF(decimal);
|
||||
}
|
||||
else {
|
||||
PyErr_Clear();
|
||||
decimalType = NULL;
|
||||
}
|
||||
|
||||
/* Store the object from future uses. */
|
||||
if (can_cache && !cachedType && decimalType) {
|
||||
Py_INCREF(decimalType);
|
||||
cachedType = decimalType;
|
||||
}
|
||||
|
||||
return decimalType;
|
||||
}
|
||||
|
||||
|
||||
/** method table and module initialization **/
|
||||
|
||||
|
|
113
psycopg/utils.c
113
psycopg/utils.c
|
@ -27,7 +27,9 @@
|
|||
#include "psycopg/psycopg.h"
|
||||
|
||||
#include "psycopg/connection.h"
|
||||
#include "psycopg/cursor.h"
|
||||
#include "psycopg/pgtypes.h"
|
||||
#include "psycopg/error.h"
|
||||
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
|
@ -356,3 +358,114 @@ exit:
|
|||
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
/* psyco_set_error
|
||||
*
|
||||
* Create a new error of the given type with extra attributes.
|
||||
*/
|
||||
|
||||
/* TODO: may have been changed to BORROWED */
|
||||
RAISES PyObject *
|
||||
psyco_set_error(PyObject *exc, cursorObject *curs, const char *msg)
|
||||
{
|
||||
PyObject *pymsg;
|
||||
PyObject *err = NULL;
|
||||
connectionObject *conn = NULL;
|
||||
|
||||
if (curs) {
|
||||
conn = ((cursorObject *)curs)->conn;
|
||||
}
|
||||
|
||||
if ((pymsg = conn_text_from_chars(conn, msg))) {
|
||||
err = PyObject_CallFunctionObjArgs(exc, pymsg, NULL);
|
||||
Py_DECREF(pymsg);
|
||||
}
|
||||
else {
|
||||
/* what's better than an error in an error handler in the morning?
|
||||
* Anyway, some error was set, refcount is ok... get outta here. */
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (err && PyObject_TypeCheck(err, &errorType)) {
|
||||
errorObject *perr = (errorObject *)err;
|
||||
if (curs) {
|
||||
Py_CLEAR(perr->cursor);
|
||||
Py_INCREF(curs);
|
||||
perr->cursor = curs;
|
||||
}
|
||||
}
|
||||
|
||||
if (err) {
|
||||
PyErr_SetObject(exc, err);
|
||||
Py_DECREF(err);
|
||||
}
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
|
||||
/* Return nonzero if the current one is the main interpreter */
|
||||
static int
|
||||
psyco_is_main_interp(void)
|
||||
{
|
||||
static PyInterpreterState *main_interp = NULL; /* Cached reference */
|
||||
PyInterpreterState *interp;
|
||||
|
||||
if (main_interp) {
|
||||
return (main_interp == PyThreadState_Get()->interp);
|
||||
}
|
||||
|
||||
/* No cached value: cache the proper value and try again. */
|
||||
interp = PyInterpreterState_Head();
|
||||
while (interp->next)
|
||||
interp = interp->next;
|
||||
|
||||
main_interp = interp;
|
||||
assert (main_interp);
|
||||
return psyco_is_main_interp();
|
||||
}
|
||||
|
||||
/* psyco_GetDecimalType
|
||||
|
||||
Return a new reference to the adapter for decimal type.
|
||||
|
||||
If decimals should be used but the module import fails, fall back on
|
||||
the float type.
|
||||
|
||||
If decimals are not to be used, return NULL.
|
||||
*/
|
||||
|
||||
PyObject *
|
||||
psyco_GetDecimalType(void)
|
||||
{
|
||||
static PyObject *cachedType = NULL;
|
||||
PyObject *decimalType = NULL;
|
||||
PyObject *decimal;
|
||||
|
||||
/* Use the cached object if running from the main interpreter. */
|
||||
int can_cache = psyco_is_main_interp();
|
||||
if (can_cache && cachedType) {
|
||||
Py_INCREF(cachedType);
|
||||
return cachedType;
|
||||
}
|
||||
|
||||
/* Get a new reference to the Decimal type. */
|
||||
decimal = PyImport_ImportModule("decimal");
|
||||
if (decimal) {
|
||||
decimalType = PyObject_GetAttrString(decimal, "Decimal");
|
||||
Py_DECREF(decimal);
|
||||
}
|
||||
else {
|
||||
PyErr_Clear();
|
||||
decimalType = NULL;
|
||||
}
|
||||
|
||||
/* Store the object from future uses. */
|
||||
if (can_cache && !cachedType && decimalType) {
|
||||
Py_INCREF(decimalType);
|
||||
cachedType = decimalType;
|
||||
}
|
||||
|
||||
return decimalType;
|
||||
}
|
||||
|
|
61
psycopg/utils.h
Normal file
61
psycopg/utils.h
Normal file
|
@ -0,0 +1,61 @@
|
|||
/* utils.h - function definitions for utility file
|
||||
*
|
||||
* Copyright (C) 2018 Daniele Varrazzo <daniele.varrazzo@gmail.com>
|
||||
*
|
||||
* 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 UTILS_H
|
||||
#define UTILS_H 1
|
||||
|
||||
/* forward declarations */
|
||||
typedef struct cursorObject cursorObject;
|
||||
typedef struct connectionObject connectionObject;
|
||||
typedef struct replicationMessageObject replicationMessageObject;
|
||||
|
||||
HIDDEN char *psycopg_escape_string(
|
||||
connectionObject *conn,
|
||||
const char *from, Py_ssize_t len, char *to, Py_ssize_t *tolen);
|
||||
|
||||
HIDDEN char *psycopg_escape_identifier(
|
||||
connectionObject *conn, const char *str, Py_ssize_t len);
|
||||
|
||||
HIDDEN int psycopg_strdup(char **to, const char *from, Py_ssize_t len);
|
||||
|
||||
STEALS(1) HIDDEN PyObject * psycopg_ensure_bytes(PyObject *obj);
|
||||
STEALS(1) HIDDEN PyObject * psycopg_ensure_text(PyObject *obj);
|
||||
|
||||
HIDDEN int psycopg_is_text_file(PyObject *f);
|
||||
|
||||
HIDDEN PyObject *psycopg_dict_from_conninfo_options(
|
||||
PQconninfoOption *options, int include_password);
|
||||
|
||||
HIDDEN PyObject *psycopg_make_dsn(PyObject *dsn, PyObject *kwargs);
|
||||
|
||||
HIDDEN PyObject *psycopg_text_from_chars_safe(
|
||||
const char *str, Py_ssize_t len, PyObject *decoder);
|
||||
|
||||
RAISES HIDDEN PyObject *psyco_set_error(
|
||||
PyObject *exc, cursorObject *curs, const char *msg);
|
||||
|
||||
HIDDEN PyObject *psyco_GetDecimalType(void);
|
||||
|
||||
#endif /* !defined(UTILS_H) */
|
2
setup.py
2
setup.py
|
@ -509,7 +509,7 @@ depends = [
|
|||
'replication_cursor.h',
|
||||
'replication_message.h',
|
||||
'notify.h', 'pqpath.h', 'xid.h', 'column.h', 'conninfo.h',
|
||||
'libpq_support.h', 'win32_support.h',
|
||||
'libpq_support.h', 'win32_support.h', 'utils.h',
|
||||
|
||||
'adapter_asis.h', 'adapter_binary.h', 'adapter_datetime.h',
|
||||
'adapter_list.h', 'adapter_pboolean.h', 'adapter_pdecimal.h',
|
||||
|
|
Loading…
Reference in New Issue
Block a user