Collection objects similar to those in stdlib by jaraco
Models and classes to supplement the stdlib ‘collections’ module.
See the docs, linked above, for descriptions and usage examples.
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.
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