Return avatar which provides one of the given interfaces.
|avatarId||a string that identifies an avatar, as returned by |
ICredentialsChecker.requestAvatarId (via a Deferred). Alternatively, it may be twisted.cred.checkers.ANONYMOUS.
|mind||usually None. See the description of mind in |
|interfaces||the interface(s) the returned avatar should implement, e.g. IMailAccount. See the description of |
|a deferred which will fire a tuple of (interface, avatarAspect, logout), or the tuple itself. 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.|