python.model_templates.methods_setattr_getattr_composed.mustache Maven / Gradle / Ivy
def __setitem__(self, name, value):
"""set the value of an attribute using square-bracket notation: `instance[attr] = val`"""
if name in self.required_properties:
self.__dict__[name] = value
return
# set the attribute on the correct instance
model_instances = self._var_name_to_model_instances.get(
name, self._additional_properties_model_instances)
if model_instances:
for model_instance in model_instances:
if model_instance == self:
self.set_attribute(name, value)
else:
setattr(model_instance, name, value)
if name not in self._var_name_to_model_instances:
# we assigned an additional property
self.__dict__['_var_name_to_model_instances'][name] = (
model_instance
)
return None
raise ApiAttributeError(
"{0} has no attribute '{1}'".format(
type(self).__name__, name),
[e for e in [self._path_to_item, name] if e]
)
__unset_attribute_value__ = object()
def get(self, name, default=None):
"""returns the value of an attribute or some default value if the attribute was not set"""
if name in self.required_properties:
return self.__dict__[name]
# get the attribute from the correct instance
model_instances = self._var_name_to_model_instances.get(
name, self._additional_properties_model_instances)
values = []
# A composed model stores child (oneof/anyOf/allOf) models under
# self._var_name_to_model_instances. A named property can exist in
# multiple child models. If the property is present in more than one
# child model, the value must be the same across all the child models.
if model_instances:
for model_instance in model_instances:
if name in model_instance._data_store:
v = model_instance._data_store[name]
if v not in values:
values.append(v)
len_values = len(values)
if len_values == 0:
return default
elif len_values == 1:
return values[0]
elif len_values > 1:
raise ApiValueError(
"Values stored for property {0} in {1} differ when looking "
"at self and self's composed instances. All values must be "
"the same".format(name, type(self).__name__),
[e for e in [self._path_to_item, name] if e]
)
def __getitem__(self, name):
"""get the value of an attribute using square-bracket notation: `instance[attr]`"""
value = self.get(name, self.__unset_attribute_value__)
if value is self.__unset_attribute_value__:
raise ApiAttributeError(
"{0} has no attribute '{1}'".format(
type(self).__name__, name),
[e for e in [self._path_to_item, name] if e]
)
return value
def __contains__(self, name):
"""used by `in` operator to check if an attrbute value was set in an instance: `'attr' in instance`"""
if name in self.required_properties:
return name in self.__dict__
model_instances = self._var_name_to_model_instances.get(
name, self._additional_properties_model_instances)
if model_instances:
for model_instance in model_instances:
if name in model_instance._data_store:
return True
return False