def __init_subclass__(cls):
# find all defaults provided by the class or its superclasses
allDefs = collections.defaultdict(list)
for sc in inspect.getmro(cls):
if hasattr(sc, '__annotations__'):
for prop, value in sc.__annotations__.items():
allDefs[prop].append(PropertyDefault.forValue(value))
# resolve conflicting defaults
resolvedDefs = {}
for prop, defs in allDefs.items():
primary, rest = defs[0], defs[1:]
spec = primary.resolveFor(prop, rest)
resolvedDefs[prop] = spec
cls.defaults = resolvedDefs
def defaults(cla): # TODO improve so this need only be done once?
# find all defaults provided by the class or its superclasses
allDefs = collections.defaultdict(list)
for sc in inspect.getmro(cla):
if hasattr(sc, '__annotations__'):
for prop, value in sc.__annotations__.items():
allDefs[prop].append(PropertyDefault.forValue(value))
# resolve conflicting defaults
resolvedDefs = {}
for prop, defs in allDefs.items():
primary, rest = defs[0], defs[1:]
spec = primary.resolveFor(prop, rest)
resolvedDefs[prop] = spec
return resolvedDefs
def __init_subclass__(cls):
super().__init_subclass__()
# find all defaults provided by the class or its superclasses
allDefs = collections.defaultdict(list)
for sc in cls.__mro__:
if issubclass(sc, _Constructible) and hasattr(
sc, '__annotations__'):
for prop, value in sc.__annotations__.items():
allDefs[prop].append(PropertyDefault.forValue(value))
# resolve conflicting defaults and gather dynamic properties
resolvedDefs = {}
dyns = []
for prop, defs in allDefs.items():
primary, rest = defs[0], defs[1:]
spec = primary.resolveFor(prop, rest)
resolvedDefs[prop] = spec
if any(defn.isDynamic for defn in defs):
dyns.append(prop)
cls._defaults = resolvedDefs
cls._dynamicProperties = tuple(dyns)