def update_value(aname, aval):
if isinstance(aval, Attribute):
aval.interface = self
if not aval.__name__:
aval.__name__ = aname
elif isinstance(aval, FunctionType):
aval = fromFunction(aval, self, name=aname)
else:
raise InvalidInterface("Concrete attribute, " + aname)
return aval
def __call__(self, iclass):
if type(iclass) is not InterfaceClass:
raise InvalidInterface('%s is not a zope.interface' % iclass)
if not self.title:
self.title = iclass.__name__
gsm = component.getGlobalSiteManager()
descriptive = ScaffoldingDescriptiveUtility(self.name, iclass,
self.title)
gsm.registerUtility(descriptive, IRecipeDescriptive, self.name.lower())
return iclass
def __init__(self,
name,
bases=(),
attrs=None,
__doc__=None,
__module__=None):
if attrs is None:
attrs = {}
if __module__ is None:
__module__ = attrs.get('__module__')
if isinstance(__module__, str):
del attrs['__module__']
else:
try:
# Figure out what module defined the interface.
# This is how cPython figures out the module of
# a class, but of course it does it in C. :-/
__module__ = sys._getframe(1).f_globals['__name__']
except (AttributeError, KeyError): #pragma NO COVERAGE
pass
self.__module__ = __module__
d = attrs.get('__doc__')
if d is not None:
if not isinstance(d, Attribute):
if __doc__ is None:
__doc__ = d
del attrs['__doc__']
if __doc__ is None:
__doc__ = ''
Element.__init__(self, name, __doc__)
tagged_data = attrs.pop(TAGGED_DATA, None)
if tagged_data is not None:
for key, val in tagged_data.items():
self.setTaggedValue(key, val)
for base in bases:
if not isinstance(base, InterfaceClass):
raise TypeError('Expected base interfaces')
Specification.__init__(self, bases)
# Make sure that all recorded attributes (and methods) are of type
# `Attribute` and `Method`
for name, attr in list(attrs.items()):
if name in ('__locals__', '__qualname__'):
# __locals__: Python 3 sometimes adds this.
# __qualname__: PEP 3155 (Python 3.3+)
del attrs[name]
continue
if isinstance(attr, Attribute):
attr.interface = self
if not attr.__name__:
attr.__name__ = name
elif isinstance(attr, FunctionType):
attrs[name] = fromFunction(attr, self, name=name)
elif attr is _decorator_non_return:
del attrs[name]
else:
raise InvalidInterface("Concrete attribute, " + name)
self.__attrs = attrs
self.__identifier__ = "%s.%s" % (self.__module__, self.__name__)
