def testClasses(self): components.fixClassImplements(Sub) components.fixClassImplements(MultiplyAndAdd) self.assert_( IMultiply.implementedBy(MultiplyAndAdd) ) self.assert_( IAdder.implementedBy(MultiplyAndAdd) ) self.assert_( IAdder.implementedBy(Sub) ) self.assert_( ISub.implementedBy(Sub) )
def __init__(self, m, templateFile=None, templateDirectory=None, template=None, controller=None, doneCallback=None, modelStack=None, viewStack=None, controllerStack=None): """ A view must be told what its model is, and may be told what its controller is, but can also look up its controller if none specified. """ components.fixClassImplements(m.__class__) if not interfaces.IModel.providedBy(m): m = model.adaptToIModel(m, None, None) self.model = self.mainModel = m # It's the responsibility of the calling code to make sure # setController is called on this view before it's rendered. self.controller = None self.subviews = {} if self.setupStacks: self.modelStack = None self.viewStack = None self.controllerStack = None if doneCallback is None and self.doneCallback is None: self.doneCallback = doSendPage else: print "DoneCallback", doneCallback self.doneCallback = doneCallback if template is not None: self.template = template if templateFile is not None: self.templateFile = templateFile if templateDirectory is not None: self.templateDirectory = templateDirectory self.outstandingCallbacks = 0 self.outstandingNodes = [] self.failed = 0 self.setupMethods = []
def login(self, credentials, mind, *interfaces): """ @param credentials: an implementor of twisted.cred.credentials.ICredentials @param mind: an object which implements a client-side interface for your particular realm. In many cases, this may be None, so if the word 'mind' confuses you, just ignore it. @param interfaces: list of interfaces for the perspective that the mind wishes to attach to. Usually, this will be only one interface, for example IMailAccount. For highly dynamic protocols, however, this may be a list like (IMailAccount, IUserChooser, IServiceInfo). To expand: if we are speaking to the system over IMAP, any information that will be relayed to the user MUST be returned as an IMailAccount implementor; IMAP clients would not be able to understand anything else. Any information about unusual status would have to be relayed as a single mail message in an otherwise-empty mailbox. However, in a web-based mail system, or a PB-based client, the ``mind'' object inside the web server (implemented with a dynamic page-viewing mechanism such as woven) or on the user's client program may be intelligent enough to respond to several ``server''-side interfaces. @return: A deferred which will fire a tuple of (interface, avatarAspect, logout). The interface will be one of the interfaces passed in the 'interfaces' argument. The 'avatarAspect' will implement that interface. The 'logout' object is a callable which will detach the mind from the avatar. It must be called when the user has conceptually disconnected from the service. Although in some cases this will not be in connectionLost (such as in a web-based session), it will always be at the end of a user's interactive session. """ components.fixClassImplements(credentials.__class__) ifac = interface.providedBy(credentials) for i in ifac: c = self.checkers.get(i) if c is not None: return maybeDeferred(c.requestAvatarId, credentials).addCallback( self.realm.requestAvatar, mind, *interfaces) return defer.fail( failure.Failure( error.UnhandledCredentials( "No checker for %s" % ', '.join(map(reflect.qual, ifac)))))
def login(self, credentials, mind, *interfaces): """ @param credentials: an implementor of twisted.cred.credentials.ICredentials @param mind: an object which implements a client-side interface for your particular realm. In many cases, this may be None, so if the word 'mind' confuses you, just ignore it. @param interfaces: list of interfaces for the perspective that the mind wishes to attach to. Usually, this will be only one interface, for example IMailAccount. For highly dynamic protocols, however, this may be a list like (IMailAccount, IUserChooser, IServiceInfo). To expand: if we are speaking to the system over IMAP, any information that will be relayed to the user MUST be returned as an IMailAccount implementor; IMAP clients would not be able to understand anything else. Any information about unusual status would have to be relayed as a single mail message in an otherwise-empty mailbox. However, in a web-based mail system, or a PB-based client, the ``mind'' object inside the web server (implemented with a dynamic page-viewing mechanism such as woven) or on the user's client program may be intelligent enough to respond to several ``server''-side interfaces. @return: A deferred which will fire a tuple of (interface, avatarAspect, logout). The interface will be one of the interfaces passed in the 'interfaces' argument. The 'avatarAspect' will implement that interface. The 'logout' object is a callable which will detach the mind from the avatar. It must be called when the user has conceptually disconnected from the service. Although in some cases this will not be in connectionLost (such as in a web-based session), it will always be at the end of a user's interactive session. """ components.fixClassImplements(credentials.__class__) ifac = interface.providedBy(credentials) for i in ifac: c = self.checkers.get(i) if c is not None: return maybeDeferred(c.requestAvatarId, credentials ).addCallback(self.realm.requestAvatar, mind, *interfaces ) return defer.fail(failure.Failure(error.UnhandledCredentials( "No checker for %s" % ', '.join(map(reflect.qual, ifac)))))