class TypedDict(OrderedDict):
def typemap(cls):
return ()
typemap = classmethod(typemap)
def __init__(self, initializer={}):
self.__types = OrderedDict(self.typemap())
for t in self.__types.values():
if t not in validators and not hasattr(t, "validator"):
raise RuntimeError("no validator for type %s" % (t,))
## initialize all items defined by typemap
complete_init = OrderedDict(initializer)
for key, value in self.__types.items():
if key not in initializer:
complete_init[key] = None
super(TypedDict, self).__init__(complete_init)
def __setitem__(self, key, value):
## validate key, new keys not allowed
t = self.__types[key]
## validate value
if value is not None:
try:
validator = validators[t]
except KeyError:
validator = t.validator
value = validator(value)
super(TypedDict, self).__setitem__(key, value)
def types(self):
return OrderedDict(self.__types)
def friendly_update(self, other):
for key in other.keys():
try:
self[key] = other[key]
except KeyError:
pass
class TypedDict(OrderedDict):
def typemap(cls):
return ()
typemap = classmethod(typemap)
def __init__(self, initializer={}):
self.__types = OrderedDict(self.typemap())
for t in self.__types.values():
if t not in validators and not hasattr(t, 'validator'):
raise RuntimeError('no validator for type %s' % (t, ))
## initialize all items defined by typemap
complete_init = OrderedDict(initializer)
for key, value in self.__types.items():
if key not in initializer:
complete_init[key] = None
super(TypedDict, self).__init__(complete_init)
def __setitem__(self, key, value):
## validate key, new keys not allowed
t = self.__types[key]
## validate value
if value is not None:
try:
validator = validators[t]
except KeyError:
validator = t.validator
value = validator(value)
super(TypedDict, self).__setitem__(key, value)
def types(self):
return OrderedDict(self.__types)
def friendly_update(self, other):
for key in other.keys():
try:
self[key] = other[key]
except KeyError:
pass
