def __new__(cls, name, bases, dct):
rv = cls = InterfaceClass.__new__(cls)
cls.__id__ = nextId()
cls.__methods__ = methods = []
cls.__properties__ = properties = []
cls.default = 'DEFAULT'
cls.complexType = True
possibleActions = []
actionAttachers = []
for key, value in list(dct.items()):
if key[0] == '_': continue
if isinstance(value, MetaTypedInterface):
## A Nested TypedInterface indicates a GroupBinding
properties.append(GroupBinding(key, value, value.__id__))
## zope.interface doesn't like these
del dct[key]
setattr(cls, key, value)
elif isinstance(value, collections.Callable):
names, _, _, typeList = inspect.getargspec(value)
_testCallArgs = ()
if typeList is None:
typeList = []
if len(names) == len(typeList) + 1:
warnings.warn(
"TypeInterface method declarations should not have a 'self' parameter",
DeprecationWarning,
stacklevel=2)
del names[0]
_testCallArgs = (_Marker,)
if len(names) != len(typeList):
## Allow non-autocallable methods in the interface; ignore them
continue
argumentTypes = [
Argument(n, argtype, argtype.id) for n, argtype in zip(names[-len(typeList):], typeList)
]
result = value(*_testCallArgs)
label = None
description = None
if getattr(value, 'autocallable', None):
# autocallables have attributes that can set label and description
label = value.attributes.get('label', None)
description = value.attributes.get('description', None)
adapted = iformless.ITyped(result, None)
if adapted is None:
adapted = Object(result)
# ITyped has label and description we can use
if label is None:
label = adapted.label
if description is None:
description = adapted.description
defaultLabel, defaultDescription = labelAndDescriptionFromDocstring(value.__doc__)
if defaultLabel is None:
# docstring had no label, try the action if it is an autocallable
if getattr(value, 'autocallable', None):
if label is None and value.action is not None:
# no explicit label, but autocallable has action we can use
defaultLabel = value.action
if defaultLabel is None:
# final fallback: use the function name as label
defaultLabel = nameToLabel(key)
if label is None:
label = defaultLabel
if description is None:
description = defaultDescription
theMethod = Method(
adapted, argumentTypes, label=label, description=description
)
if getattr(value, 'autocallable', None):
methods.append(
MethodBinding(
key, theMethod, value.id, value.action, value.attributes))
else:
possibleActions.append((value, MethodBinding(key, theMethod)))
else:
if not value.label:
value.label = nameToLabel(key)
if iformless.IActionableType.providedBy(value):
actionAttachers.append(value)
properties.append(
Property(key, value, value.id)
)
for attacher in actionAttachers:
attacher.attachActionBindings(possibleActions)
methods.sort(key=_sorter)
properties.sort(key=_sorter)
cls.__spec__ = spec = methods + properties
spec.sort(key=_sorter)
cls.name = name
# because attributes "label" and "description" would become Properties,
# check for ones with an underscore prefix.
cls.label = dct.get('_label', None)
cls.description = dct.get('_description', None)
defaultLabel, defaultDescription = labelAndDescriptionFromDocstring(dct.get('__doc__'))
if defaultLabel is None:
defaultLabel = nameToLabel(name)
if cls.label is None:
cls.label = defaultLabel
if cls.description is None:
cls.description = defaultDescription
return rv
def __new__(cls, name, bases, dct):
rv = cls = InterfaceClass.__new__(cls)
cls.__id__ = nextId()
cls.__methods__ = methods = []
cls.__properties__ = properties = []
cls.default = 'DEFAULT'
cls.complexType = True
possibleActions = []
actionAttachers = []
for key, value in dct.items():
if key[0] == '_': continue
if isinstance(value, MetaTypedInterface):
## A Nested TypedInterface indicates a GroupBinding
properties.append(GroupBinding(key, value, value.__id__))
## zope.interface doesn't like these
del dct[key]
setattr(cls, key, value)
elif callable(value):
names, _, _, typeList = inspect.getargspec(value)
_testCallArgs = ()
if typeList is None:
typeList = []
if len(names) == len(typeList) + 1:
warnings.warn(
"TypeInterface method declarations should not have a 'self' parameter",
DeprecationWarning,
stacklevel=2)
del names[0]
_testCallArgs = (_Marker, )
if len(names) != len(typeList):
## Allow non-autocallable methods in the interface; ignore them
continue
argumentTypes = [
Argument(n, argtype, argtype.id)
for n, argtype in zip(names[-len(typeList):], typeList)
]
result = value(*_testCallArgs)
label = None
description = None
if getattr(value, 'autocallable', None):
# autocallables have attributes that can set label and description
label = value.attributes.get('label', None)
description = value.attributes.get('description', None)
adapted = iformless.ITyped(result, None)
if adapted is None:
adapted = Object(result)
# ITyped has label and description we can use
if label is None:
label = adapted.label
if description is None:
description = adapted.description
defaultLabel, defaultDescription = labelAndDescriptionFromDocstring(
value.__doc__)
if defaultLabel is None:
# docstring had no label, try the action if it is an autocallable
if getattr(value, 'autocallable', None):
if label is None and value.action is not None:
# no explicit label, but autocallable has action we can use
defaultLabel = value.action
if defaultLabel is None:
# final fallback: use the function name as label
defaultLabel = nameToLabel(key)
if label is None:
label = defaultLabel
if description is None:
description = defaultDescription
theMethod = Method(adapted,
argumentTypes,
label=label,
description=description)
if getattr(value, 'autocallable', None):
methods.append(
MethodBinding(key, theMethod, value.id, value.action,
value.attributes))
else:
possibleActions.append(
(value, MethodBinding(key, theMethod)))
else:
if not value.label:
value.label = nameToLabel(key)
if iformless.IActionableType.providedBy(value):
actionAttachers.append(value)
properties.append(Property(key, value, value.id))
for attacher in actionAttachers:
attacher.attachActionBindings(possibleActions)
methods.sort(_sorter)
properties.sort(_sorter)
cls.__spec__ = spec = methods + properties
spec.sort(_sorter)
cls.name = name
# because attributes "label" and "description" would become Properties,
# check for ones with an underscore prefix.
cls.label = dct.get('_label', None)
cls.description = dct.get('_description', None)
defaultLabel, defaultDescription = labelAndDescriptionFromDocstring(
dct.get('__doc__'))
if defaultLabel is None:
defaultLabel = nameToLabel(name)
if cls.label is None:
cls.label = defaultLabel
if cls.description is None:
cls.description = defaultDescription
return rv
