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"""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
"""
# 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_COMMITED = 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_COMMITED
def register_adapter(typ, callable):
"""Register 'callable' as an ISQLQuote adapter for type 'typ'."""
adapters[(typ, ISQLQuote)] = callable
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