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##############################################################################
#
# Copyright (c) 2001, 2002 Zope Foundation and Contributors.
# 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.
#
##############################################################################
"""Interfaces

This package implements the Python "scarecrow" proposal.

The package exports two objects, `Interface` and `Attribute` directly. It also
exports several helper methods. Interface is used to create an interface with
a class statement, as in:

  class IMyInterface(Interface):
    '''Interface documentation
    '''

    def meth(arg1, arg2):
        '''Documentation for meth
        '''

    # Note that there is no self argument

To find out what you can do with interfaces, see the interface
interface, `IInterface` in the `interfaces` module.

The package has several public modules:

  o `declarations` provides utilities to declare interfaces on objects. It
    also provides a wide range of helpful utilities that aid in managing
    declared interfaces. Most of its public names are however imported here.

  o `document` has a utility for documenting an interface as structured text.

  o `exceptions` has the interface-defined exceptions

  o `interfaces` contains a list of all public interfaces for this package.

  o `verify` has utilities for verifying implementations of interfaces.

See the module doc strings for more information.
"""
__docformat__ = 'restructuredtext'

from zope.interface.interface import Interface
from zope.interface.interface import _wire

# Need to actually get the interface elements to implement the right interfaces
_wire()
del _wire

from zope.interface.declarations import Declaration
from zope.interface.declarations import alsoProvides
from zope.interface.declarations import classImplements
from zope.interface.declarations import classImplementsOnly
from zope.interface.declarations import classProvides
from zope.interface.declarations import directlyProvidedBy
from zope.interface.declarations import directlyProvides
from zope.interface.declarations import implementedBy
from zope.interface.declarations import implementer
from zope.interface.declarations import implementer_only
from zope.interface.declarations import implements
from zope.interface.declarations import implementsOnly
from zope.interface.declarations import moduleProvides
from zope.interface.declarations import named
from zope.interface.declarations import noLongerProvides
from zope.interface.declarations import providedBy
from zope.interface.declarations import provider
from zope.interface.exceptions import Invalid
from zope.interface.interface import Attribute
from zope.interface.interface import invariant
from zope.interface.interface import taggedValue

# The following are to make spec pickles cleaner
from zope.interface.declarations import Provides


from zope.interface.interfaces import IInterfaceDeclaration

moduleProvides(IInterfaceDeclaration)

__all__ = ('Interface', 'Attribute') + tuple(IInterfaceDeclaration)