Update CameraMimeType to allow for custom mimes #995
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Warning your change may break code samples. If your change modifies any of the following functions please contact @viamrobotics/fleet-management. Thanks!
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stuqdog
approved these changes
Sep 3, 2025
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| class _FrozenClassAttributesMeta(type): | ||
| """ | ||
| A metaclass that prevents the reassignment of existing class attributes. | ||
| """ | ||
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| def __setattr__(cls, name: str, value: Any): | ||
| # Check if the attribute `name` already exists on the class | ||
| if name in cls.__dict__: | ||
| # If it exists, raise an error to prevent overwriting | ||
| raise AttributeError(f"Cannot reassign constant '{name}'") | ||
| # If it's a new attribute, allow it to be set | ||
| super().__setattr__(name, value) |
hexbabe
reviewed
Sep 4, 2025
| raise NotImplementedError() | ||
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| async def get_geometries(self, *, extra: Optional[Dict[str, Any]] = None, timeout: Optional[float] = None) -> List[Geometry]: | ||
| async def get_geometries(self, *, extra: Optional[Dict[str, Any]] = None, timeout: Optional[float] = None) -> Sequence[Geometry]: |
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Curious why these Sequence changes? Does it type-hint grpc repeated sets better?
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Yea exactly -- a superset of list that allows us to save some casts
| assert img4.width is None | ||
| assert img4.height is None | ||
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| img5 = ViamImage(b"data", CameraMimeType.CUSTOM(self.UNSUPPORTED_MIME_TYPE)) |
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should we test to_proto on an unsupported mime somewhere?
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This PR should supersede #993 and #982
Change the functionality of
CameraMimeTypeso that it is not limited only to predetermined values, but has the ability to addCUSTOMvalues ofCameraMimeTypethat can be used everywhere in the code.CameraMimeTypecontinues to behave as astreverywherestris accepted, while having additional properties and methods, includingnameandvalueproperties, which give it the same properties as the previousEnum-type.This should prevent the mime-type changes from being a breaking change.