cybertools/integrator/interfaces.py
helmutm 18f29f8d9a provide icon attribute; work in progress: BSCW interface
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2606 fd906abe-77d9-0310-91a1-e0d9ade77398
2008-05-19 15:00:33 +00:00

81 lines
2.2 KiB
Python

#
# Copyright (c) 2008 Helmut Merz helmutm@cy55.de
#
# 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 of the License, 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
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
External content integration interfaces.
$Id$
"""
from zope.app.container.interfaces import IReadContainer
from zope.app.file.interfaces import IFile, IImage
from zope.app.publication.interfaces import IFileContent
from zope.interface import Interface, Attribute
class IProxy(Interface):
icon = Attribute('The name of an icon that may be used for symbolizing '
'this object.')
class IReadContainer(IProxy, IReadContainer):
""" A readable container of items.
"""
class IItem(IProxy, Interface):
""" A terminal kind of object, i.e. not a container of other objects.
"""
class IFile(IItem, IFile, IFileContent):
contentType = Attribute('The MIME type of the object.')
def getData(num):
""" Return num bytes from the file`s data.
"""
class IProxyFactory(Interface):
""" Creates proxy objects for external objects.
"""
def __call__(address, **kw):
""" Return a proxy object based on an external object that
can be accessed using the address (and optional
keyword arguments) given.
"""
class IContainerFactory(IProxyFactory):
""" Creates container proxy objects for the external specification
given.
"""
class IItemFactory(IProxyFactory):
""" Creates general terminal proxy objects.
"""
class IFileFactory(IProxyFactory):
""" Creates file proxy objects for the external specification
given.
"""