def params(class_):
"""
Get the allowed attributes of the class (of the instance).
Which attributes are allowed is specified by the class and superclasses
(of the instance).
Returns
-------
params : magni.utils.types.ReadOnlyDict
The allowed attributes.
Notes
-----
The allowed attributes of the class (of the given instance) are found
by inspecting the class and its base classes for the static variable
'_params' and collecting these in a read-only dictionary.
"""
params = []
while class_ != BaseClass:
if hasattr(class_, '_params'):
params.extend(list(class_._params.items()))
class_ = class_.__base__
return _ReadOnlyDict(params)
def __init__(self, attrs):
@_decorate_validation
def validate_input():
_generic('attrs', 'mapping')
params = self.params
for name in attrs.keys():
if name in params.keys():
_generic(('attrs', name), params[name])
validate_input()
names = self.params.keys()
attrs = {name: value for name, value in attrs.items() if name in names}
self._attrs = _ReadOnlyDict(attrs)