python3-jaraco.collections (Models and classes suppl. stdlib module)
Models and classes to supplement the stdlib 'collections' module
Highlights include:
RangeMap:
A mapping that accepts a range of values for keys.
Projection:
A subset over an existing mapping.
DictFilter:
A different implementation of a projection.
KeyTransformingDict:
Generalized mapping with keys transformed by a function.
FoldedCaseKeyedDict:
A dict whose string keys are case-insensitive.
BijectiveMap:
A map where keys map to values and values back to their keys.
ItemsAsAttributes:
A mapping mix-in exposing items as attributes.
IdentityOverrideMap:
A map whose keys map by default to themselves unless overridden.
FrozenDict:
A hashable, immutable map.
Enumeration:
An object whose keys are enumerated.
Everything:
A container that contains all things.
Least, Greatest:
Objects that are always less than or greater than any other.
pop_all:
Return all items from the mutable sequence and remove them from that
sequence.
DictStack:
A stack of dicts, great for sharing scopes.
WeightedLookup:
A specialized RangeMap for selecting an item by weights.
827640606a