[jit] Resolve NamedTuple types in Python#26443
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eellison
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Sep 19, 2019
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eellison
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Cool! Thanks for doing this.
lgtm if tests pass. as a follow up we can try this with generic UDT besides NamedTuples - seems like the logic would work as well.
| elif hasattr(ann, "__torch_script_class__"): | ||
| return ClassType(_qualified_name(ann)) | ||
| elif lookup is not None: | ||
| # Maybe resolve a NamedTuple to a Tuple Type |
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It's okay if this is limited to NamedTuple types for now, however I think the logic extends to any custom type...
torch/jit/annotations.py
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| def ann_to_type(ann): | ||
| def ann_to_type(ann, lookup=None): |
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Maybe more descriptive name than lookup ? or add comment that it's an (rcb, sourcerange) tuple
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i think tests didn't run, rebase ? |
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mingbowan
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Sep 23, 2019
Summary: When used as annotations on Python functions, `NamedTuple`s go through our Python annotation -> type mapping which previously had no way of lookup up `NamedTuple`s (which are created lazily by checking if the type has certain properties, so the lookup is creating the `TupleType` from scratch). This PR threads through the necessary data to make them work. Fixes pytorch#26437 Pull Request resolved: pytorch#26443 Pulled By: driazati Differential Revision: D17486441 fbshipit-source-id: a6bbb543ff05a5abe61f1a7f68db9ecdb652b358
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When used as annotations on Python functions,
NamedTuples go through our Python annotation -> type mapping which previously had no way of lookup upNamedTuples (which are created lazily by checking if the type has certain properties, so the lookup is creating theTupleTypefrom scratch). This PR threads through the necessary data to make them work.Fixes #26437
Differential Revision: D17486441