| changeKind | fix | |
|---|---|---|
| packages |
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Fix dangling _types.X references when template-instantiated models (e.g. ResourceUpdateModel<Foo, FooProperties>) share a crossLanguageDefinitionId. The TypedDict deduplication now pairs each model with its own copy by name, so distinct models such as CacheUpdate and VolumeUpdate are all rendered in types.py.
Also stop emitting unused TypedDicts for response-only models in types.py. Output-only models already render as classes in models/ and are referenced via _models.X, so their TypedDict copies (e.g. GetResponse) were dead code. The set of TypedDicts (and discriminated-base union aliases) rendered in types.py is now the transitive closure of the request-body input models over their base classes, discriminated subtypes and property types. Input body overloads (including spread bodies whose usage lacks the Input flag) are still emitted, and any output-only model reachable from an input model — such as a discriminated subtype or an ARM SystemData property — is kept so no forward reference is left undefined. This fixes a NameError at import time when an output-only union alias (e.g. Dinosaur = Union[TRex]) referenced an excluded subtype, and a pyright reportUndefinedVariable error when an input model referenced an excluded property type (e.g. SystemData).