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from zope.interface import Interface
from zope.interface import Attribute
class IRequest(Interface):
""" Marker interface for a request object """
class IResponse(Interface):
status = Attribute('WSGI status code of response')
headerlist = Attribute('List of response headers')
app_iter = Attribute('Iterable representing the response body')
class IView(Interface):
def __call__(*arg, **kw):
""" Must return an object that implements IResponse; args are
mapped into an IView's __call__ by mapply-like code """
class IViewFactory(Interface):
def __call__(context, request):
""" Return an object that implements IView """
class IRootPolicy(Interface):
def __call__(environ):
""" Return a root object """
class IPublishTraverser(Interface):
def __call__(path):
""" Return a tuple in the form (context, name, subpath), typically
the result of an object graph traversal """
class IPublishTraverserFactory(Interface):
def __call__(context, request):
""" Return an object that implements IPublishTraverser """
class IWSGIApplication(Interface):
def __call__(environ, start_response):
""" A PEP 333 application """
class IWSGIApplicationFactory(Interface):
def __call__(context, request, view):
""" Return an object that implements IWSGIApplication """
class ITemplateFactory(Interface):
def __call__(template_path):
""" Return an IView given a template path """
class ISecurityPolicy(Interface):
""" A utility that provides a mechanism to check authorization
using authentication data """
def permits(context, request, permission):
""" Returns True if the combination of the authorization
information in the context and the authentication data in
the request allow the action implied by the permission """
class NoAuthorizationInformation(Exception):
pass
class IViewPermission(Interface):
def __call__(security_policy):
""" Return True if the permission allows, return False if it denies. """
class IViewPermissionFactory(Interface):
def __call__(context, request):
""" Return an IViewPermission """
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