mirror of
https://github.com/psycopg/psycopg2.git
synced 2024-11-26 10:53:44 +03:00
58 lines
2.1 KiB
Python
58 lines
2.1 KiB
Python
"""psycopg extensions to the DBAPI-2.0
|
|
|
|
This module holds all the extensions to the DBAPI-2.0 provided by psycopg.
|
|
|
|
- `connection` -- the new-type inheritable connection class
|
|
- `cursor` -- the new-type inheritable cursor class
|
|
- `adapt()` -- exposes the PEP-246_ compatile adapting machanism used
|
|
by psycopg to adapt Python types to PostgreSQL ones
|
|
|
|
.. _PEP-246: http://www.python.org/peps/pep-0246.html
|
|
"""
|
|
# psycopg/extensions.py - DBAPI-2.0 extensions specific to psycopg
|
|
#
|
|
# Copyright (C) 2003-2004 Federico Di Gregorio <fog@debian.org>
|
|
#
|
|
# 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 MERCHANTIBILITY
|
|
# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
# for more details.
|
|
|
|
from _psycopg import UNICODE, INTEGER, LONGINTEGER, BOOLEAN, FLOAT
|
|
from _psycopg import TIME, DATE, INTERVAL
|
|
|
|
from _psycopg import Boolean, QuotedString, AsIs
|
|
try:
|
|
from _psycopg import DateFromMx, TimeFromMx, TimestampFromMx
|
|
from _psycopg import IntervalFromMx
|
|
except:
|
|
pass
|
|
try:
|
|
from _psycopg import DateFromPy, TimeFromPy, TimestampFromPy
|
|
from _psycopg import IntervalFromPy
|
|
except:
|
|
pass
|
|
|
|
from _psycopg import adapt, adapters, encodings, connection, cursor
|
|
from _psycopg import string_types, binary_types, new_type, register_type
|
|
from _psycopg import ISQLQuote
|
|
|
|
"""Isolation level values."""
|
|
ISOLATION_LEVEL_AUTOCOMMIT = 0
|
|
ISOLATION_LEVEL_READ_COMMITTED = 1
|
|
ISOLATION_LEVEL_SERIALIZABLE = 2
|
|
|
|
# PostgreSQL maps the the other standard values to already defined levels
|
|
ISOLATION_LEVEL_REPEATABLE_READ = ISOLATION_LEVEL_SERIALIZABLE
|
|
ISOLATION_LEVEL_READ_UNCOMMITTED = ISOLATION_LEVEL_READ_COMMITTED
|
|
|
|
|
|
def register_adapter(typ, callable):
|
|
"""Register 'callable' as an ISQLQuote adapter for type 'typ'."""
|
|
adapters[(typ, ISQLQuote)] = callable
|