##############################################################################
#
# Copyright (c) 2004-1005 Michel Pelletier
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################

# Handy query constants and classes

Any = None

from rdflib.URIRef import URIRef
from rdflib.BNode import BNode
from rdflib.Literal import Literal

from query import Query, UnionChain, IntersectionChain

from expressions import ZemanticExpr