Use `frozenset` for `Specification.kTraitSet`

OpenAssetIO / OpenAssetIO-TraitGen

A code generation tool that produces OpenAssetIO Traits and Specifications from a simple YAML description.

Apache License 2.0

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Open foundrytom opened 1 year ago

foundrytom commented 1 year ago

Define the (Python) Specifications trait set using a frozenset so it can be hashed.

Simplifies switching on trait set in manager implementations in Python, where a handler map is a nice way to structure code.

feltech commented 1 week ago

Re-opening due to the change being reverted in https://github.com/OpenAssetIO/OpenAssetIO-TraitGen/issues/94. This issue is blocked until we can bump the required version of pybind11 used by OpenAssetIO.