dantro.mixins.general module

This module implements general mixin classes for containers and groups

class dantro.mixins.general.ForwardAttrsMixin

Bases: object

This Mixin class forwards all calls to unavailable attributes to a certain other attribute, specified by FORWARD_ATTR_TO class variable.

FORWARD_ATTR_TO = None

FORWARD_ATTR_ONLY = None

FORWARD_ATTR_EXCLUDE = ()

__getattr__(attr_name: str)

Forward attributes that were not available in this class to some other attribute of the group or container.

Parameters

attr_name (str) – The name of the attribute that was tried to be accessed but was not available in self.

Returns

The attribute attr_name of getattr(self, self.FORWARD_ATTR_TO)

_forward_attr_pre_hook(attr_name: str = None)

Invoked before attribute forwarding occurs

_forward_attr_get_forwarding_target()

Get the object that the attribute call is to be forwarded to

_forward_attr_post_hook(attr)

Invoked before attribute forwarding occurs

class dantro.mixins.general.ForwardAttrsToDataMixin

Bases: dantro.mixins.general.ForwardAttrsMixin

This Mixin class forwards all calls to unavailable attributes to the data attribute (a property) and thus allows to replace all behaviour that is not implemented in the group or container with that of the stored data.

FORWARD_ATTR_TO = 'data'

FORWARD_ATTR_EXCLUDE = ()

FORWARD_ATTR_ONLY = None

__getattr__(attr_name: str)

Forward attributes that were not available in this class to some other attribute of the group or container.

Parameters

attr_name (str) – The name of the attribute that was tried to be accessed but was not available in self.

Returns

The attribute attr_name of getattr(self, self.FORWARD_ATTR_TO)

_forward_attr_get_forwarding_target()

Get the object that the attribute call is to be forwarded to

_forward_attr_post_hook(attr)

Invoked before attribute forwarding occurs

_forward_attr_pre_hook(attr_name: str = None)

Invoked before attribute forwarding occurs