def providedBy(self, ob):
"""Is the interface implemented by an object
>>> from lib.zope.interface import *
>>> class I1(Interface):
... pass
>>> class C(object):
... implements(I1)
>>> c = C()
>>> class X(object):
... pass
>>> x = X()
>>> I1.providedBy(x)
False
>>> I1.providedBy(C)
False
>>> I1.providedBy(c)
True
>>> directlyProvides(x, I1)
>>> I1.providedBy(x)
True
>>> directlyProvides(C, I1)
>>> I1.providedBy(C)
True
"""
spec = providedBy(ob)
return self in spec._implied
def addComponent(self, component, ignoreClass=0):
"""
Add a component to me, for all appropriate interfaces.
In order to determine which interfaces are appropriate, the component's
provided interfaces will be scanned.
If the argument 'ignoreClass' is True, then all interfaces are
considered appropriate.
Otherwise, an 'appropriate' interface is one for which its class has
been registered as an adapter for my class according to the rules of
getComponent.
@return: the list of appropriate interfaces
"""
for iface in declarations.providedBy(component):
if (ignoreClass or (self.locateAdapterClass(
self.__class__, iface, None) == component.__class__)):
self._adapterCache[reflect.qual(iface)] = component
def addComponent(self, component, ignoreClass=0): """ Add a component to me, for all appropriate interfaces. In order to determine which interfaces are appropriate, the component's provided interfaces will be scanned. If the argument 'ignoreClass' is True, then all interfaces are considered appropriate. Otherwise, an 'appropriate' interface is one for which its class has been registered as an adapter for my class according to the rules of getComponent. @return: the list of appropriate interfaces """ for iface in declarations.providedBy(component): if (ignoreClass or (self.locateAdapterClass(self.__class__, iface, None) == component.__class__)): self._adapterCache[reflect.qual(iface)] = component
def _hook(iface, ob, lookup=globalRegistry.lookup1):
factory = lookup(declarations.providedBy(ob), iface)
if factory is None:
return None
else:
return factory(ob)
def _hook(iface, ob, lookup=globalRegistry.lookup1): factory = lookup(declarations.providedBy(ob), iface) if factory is None: return None else: return factory(ob)
