openpyxl.utils.bound_dictionary.
BoundDictionary
(
reference=None
,
*args
,
**kw
)
[source]
¶
Bases:
collections.defaultdict
A default dictionary where elements are tightly coupled.
The factory method is responsible for binding the parent object to the child.
If a reference attribute is assigned then child objects will have the key assigned to this.
Otherwise it’s just a defaultdict.