def from_data_dict(cls, data_dict):
# - This has to be overridden because we have to pre-process
# incoming address and (maybe, eventually?) product-list
# values...
if data_dict.get('address'):
data_dict['address'] = Address.from_dict(data_dict['address'])
####### NOTE: Changes made here, for whatever reason might
# arise, may also need to be made in
# HMSMongoDataObject.from_data_dict – it's the same
####### process!
# - Assure that we have the collection of keys that are
# allowed for the class!
if cls._data_dict_keys == None:
from inspect import getfullargspec
argspec = getfullargspec(cls.__init__)
init_args = argspec.args
try:
init_args.remove('self')
except:
pass
try:
init_args.remove('cls')
except:
pass
print(argspec)
if argspec.varargs:
init_args.append(argspec.varargs)
if argspec.varkw:
init_args.append(argspec.varkw)
raise AttributeError(
'%s.from_data_dict cannot be used because the %s '
'class has not specified what data-store keys are '
'allowed to be used to create new instances from '
'retrieved data. Set %s._data_dict_keys to a list '
'or tuple of argument-names present in %s.__init__ '
'(%s)' % (cls.__name__, cls.__name__, cls.__name__,
cls.__name__, "'" + "', '".join(init_args) + "'"))
# - Remove any keys that aren't listed in the class'
# initialization arguments:
data_dict = dict([(key, data_dict[key]) for key in data_dict.keys()
if key in cls._data_dict_keys])
# - Then create and return an instance of the class
return cls(**data_dict)
def from_data_dict(cls, data_dict: (dict, )):
if data_dict.get('address'):
data_dict['address'] = Address.from_dict(data_dict['address'])
return cls(**data_dict)