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https://github.com/saymrwulf/pytorch.git
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0f98fc05a7
To do https://github.com/pytorch/pytorch/pull/75972 in a lint free way I need to reformat all the imports (which are now incorrectly indented). This is a pain to do manually, so I plan to ask black to do it for me. But the files are not black compliant. So first reformat everything with black. This commit was generated with: ``` black tools/codegen ``` Signed-off-by: Edward Z. Yang <ezyangfb.com> Pull Request resolved: https://github.com/pytorch/pytorch/pull/76015 Approved by: https://github.com/bdhirsh
42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
import threading
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from contextlib import contextmanager
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from typing import Optional, Iterator
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# Simple dynamic scoping implementation. The name "parametrize" comes
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# from Racket.
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#
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# WARNING WARNING: LOOKING TO EDIT THIS FILE? Think carefully about
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# why you need to add a toggle to the global behavior of code
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# generation. The parameters here should really only be used
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# for "temporary" situations, where we need to temporarily change
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# the codegen in some cases because we cannot conveniently update
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# all call sites, and are slated to be eliminated once all call
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# sites are eliminated. If you don't have a plan for how to get there,
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# DON'T add a new entry here.
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class Locals(threading.local):
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use_const_ref_for_mutable_tensors: Optional[bool] = None
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_locals = Locals()
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def use_const_ref_for_mutable_tensors() -> bool:
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assert _locals.use_const_ref_for_mutable_tensors is not None, (
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"need to initialize local.use_const_ref_for_mutable_tensors with "
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"local.parametrize"
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)
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return _locals.use_const_ref_for_mutable_tensors
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@contextmanager
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def parametrize(*, use_const_ref_for_mutable_tensors: bool) -> Iterator[None]:
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old_use_const_ref_for_mutable_tensors = _locals.use_const_ref_for_mutable_tensors
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try:
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_locals.use_const_ref_for_mutable_tensors = use_const_ref_for_mutable_tensors
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yield
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finally:
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_locals.use_const_ref_for_mutable_tensors = (
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old_use_const_ref_for_mutable_tensors
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)
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