def testUtil(self):
self.assert_(IC in implementedBy(C))
self.assert_(I1 in implementedBy(A))
self.assert_(not I1 in implementedBy(C))
self.assert_(I2 in implementedBy(B))
self.assert_(not I2 in implementedBy(C))
self.assert_(IC in providedBy(C()))
self.assert_(I1 in providedBy(A()))
self.assert_(not I1 in providedBy(C()))
self.assert_(I2 in providedBy(B()))
self.assert_(not I2 in providedBy(C()))
def test_classImplements(self):
class A(Odd):
implements(I3)
class B(Odd):
implements(I4)
class C(A, B):
pass
classImplements(C, I1, I2)
self.assertEqual([i.getName() for i in implementedBy(C)],
['I1', 'I2', 'I3', 'I4'])
classImplements(C, I5)
self.assertEqual([i.getName() for i in implementedBy(C)],
['I1', 'I2', 'I5', 'I3', 'I4'])
def provideAdapter(self, required, provided, name, factory, info=''):
"""Register an adapter
>>> from zpt._zope.interface import Interface
>>> registry = GlobalSiteManager()
>>> class R1(Interface):
... pass
>>> class R2(R1):
... pass
>>> class P1(Interface):
... pass
>>> class P2(P1):
... pass
>>> registry.provideAdapter((R1, ), P2, 'bob', 'c1', 'd1')
>>> registry.provideAdapter((R1, ), P2, '', 'c2', 'd2')
>>> registry.adapters.lookup((R2, ), P1, '')
'c2'
>>> registrations = map(repr, registry.registrations())
>>> registrations.sort()
>>> for registration in registrations:
... print registration
AdapterRegistration(('R1',), 'P2', '', 'c2', 'd2')
AdapterRegistration(('R1',), 'P2', 'bob', 'c1', 'd1')
Let's make sure that we can also register regular classes for
adaptation.
>>> class O1(object):
... pass
>>> class O2(object):
... pass
>>> class O3(object):
... def __init__(self, obj1, obj2=None):
... pass
>>> registry.provideAdapter((O1, ), R1, '', O3)
>>> registry.queryAdapter(O1(), R1, '').__class__
<class 'zpt._zope.component.site.O3'>
>>> registry.provideAdapter((O1, O2), R1, '', O3)
>>> registry.queryMultiAdapter((O1(), O2()), R1, '').__class__
<class 'zpt._zope.component.site.O3'>
"""
ifaces = []
for iface in required:
if not IInterface.providedBy(iface) and iface is not None:
if not isinstance(iface, (type, types.ClassType)):
raise TypeError(iface, IInterface)
iface = implementedBy(iface)
ifaces.append(iface)
required = tuple(ifaces)
self._registrations[(required, provided, name)] = AdapterRegistration(
required, provided, name, factory, info)
self.adapters.register(required, provided, name, factory)
def test_implementedBy(self):
class I2(I1):
pass
class C1(Odd):
implements(I2)
class C2(C1):
implements(I3)
self.assertEqual([i.getName() for i in implementedBy(C2)],
['I3', 'I2'])
def test_classImplementsOnly(self):
class A(Odd):
implements(I3)
class B(Odd):
implements(I4)
class C(A, B):
pass
classImplementsOnly(C, I1, I2)
self.assertEqual([i.__name__ for i in implementedBy(C)], ['I1', 'I2'])
def subscribe(self, required, provided, factory, info=''):
"""Register an subscriptions adapter
>>> from zpt._zope.interface import Interface
>>> registry = GlobalSiteManager()
>>> class R1(Interface):
... pass
>>> class R2(R1):
... pass
>>> class P1(Interface):
... pass
>>> class P2(P1):
... pass
>>> registry.subscribe((R1, ), P2, 'c1', 'd1')
>>> registry.subscribe((R1, ), P2, 'c2', 'd2')
>>> subscriptions = map(str,
... registry.adapters.subscriptions((R2, ), P1))
>>> subscriptions.sort()
>>> subscriptions
['c1', 'c2']
>>> registrations = map(repr, registry.registrations())
>>> registrations.sort()
>>> for registration in registrations:
... print registration
SubscriptionRegistration(('R1',), 'P2', 'c1', 'd1')
SubscriptionRegistration(('R1',), 'P2', 'c2', 'd2')
"""
ifaces = []
for iface in required:
if not IInterface.providedBy(iface) and \
not isinstance(iface, declarations.Implements) and \
iface is not None:
if not isinstance(iface, (type, types.ClassType)):
raise TypeError(iface, IInterface)
iface = implementedBy(iface)
ifaces.append(iface)
required = tuple(ifaces)
registration = SubscriptionRegistration(
required, provided, factory, info)
self._registrations[(required, provided)] = (
self._registrations.get((required, provided), ())
+
(registration, )
)
self.adapters.subscribe(required, provided, factory)
def provideSubscriptionAdapter(factory, adapts=None, provides=None):
if provides is None:
provides = list(implementedBy(factory))
if len(provides) == 1:
provides = provides[0]
else:
raise TypeError("Missing 'provides' argument")
if adapts is None:
try:
adapts = factory.__component_adapts__
except AttributeError:
raise TypeError("Missing 'adapts' argument")
getGlobalSiteManager().subscribe(adapts, provides, factory)
def __provides__(self):
return providedBy(self.field) + implementedBy(FieldReadAccessor)
def getInterfaces(self):
if self._interfaces is not None:
spec = Implements(*self._interfaces)
spec.__name__ = getattr(self._callable, '__name__', '[callable]')
return spec
return implementedBy(self._callable)
