[Zope-Checkins] CVS: Zope3/lib/python/Interface/Common - Mapping.py:1.1.2.1 __init__.py:1.1.2.1

[Jim Fulton]

Update of /cvs-repository/Zope3/lib/python/Interface/Common
In directory cvs.zope.org:/tmp/cvs-serv24057/python/Interface/Common

Added Files:
      Tag: Zope-3x-branch
	Mapping.py __init__.py 
Log Message:
Checking in partial publisher refactoring on the
Zope3-publisher-refactor-branch branch to facilitate collaboration
with Stephan.



=== Added File Zope3/lib/python/Interface/Common/Mapping.py ===
##############################################################################
#
# Copyright (c) 2001, 2002 Zope Corporation and Contributors.
# All Rights Reserved.
# 
# This software is subject to the provisions of the Zope Public License,
# Version 2.0 (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
# 
##############################################################################
"""

Revision information:
$Id: Mapping.py,v 1.1.2.1 2002/03/16 14:43:58 jim Exp $
"""

from Interface import Interface

class IMapping(Interface):
    """Basic mapping interface
    """

    def __getitem__(key):
        """Get a value for a key

        A KeyError is raised if there is no value for the key.
        """

    def get(key, default=None):
        """Get a value for a key

        The default is returned if there is no value for the key.
        """

class IEnumerableMapping(IMapping):
    """Mapping objects whose items can be enumerated
    """

    def keys():
        """Return the keys of the mapping object
        """

    def values():
        """Return the values of the mapping object
        """

    def items():
        """Return the items of the mapping object
        """

    def __len__():
        """Return the number of items
        """


=== Added File Zope3/lib/python/Interface/Common/__init__.py ===