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Summary:
Added where logs are being added to constrain violations in draft export.
Example output:
```
1. Constraint violation error.
The specified input dynamic_shapes spec was found to be incorrect during tracing.
Specifically, this guard was added: Eq(s0, 3), where {'s0': "L['args'][0][0].size()[0]"}.
This occured at the following stacktrace:
File /data/users/angelayi/fbsource/buck-out/v2/gen/fbcode/1beb9df83fd74b9a/scripts/angelayi/draft_export/__test_draft_export__/test_draft_export#link-tree/torch/nn/modules/module.py, lineno 1736, in _wrapped_call_impl
File /data/users/angelayi/fbsource/buck-out/v2/gen/fbcode/1beb9df83fd74b9a/scripts/angelayi/draft_export/__test_draft_export__/test_draft_export#link-tree/torch/nn/modules/module.py, lineno 1747, in _call_impl
File /data/users/angelayi/fbsource/buck-out/v2/gen/fbcode/1beb9df83fd74b9a/scripts/angelayi/draft_export/__test_draft_export__/test_draft_export#link-tree/scripts/angelayi/draft_export/test_draft_export.py, lineno 138, in forward.
Because of this, we have modified the dynamic shapes structure to be the following:
```
dynamic_shapes = {'a': {0: 3}}
```
```
The result of this diff is also that `dynamic` logs are permanently turned on during draft export. Otherwise we cannot capture the `[guard added]` logs from symbolic_shapes.py.
Test Plan: `buck2 run @//mode/dev-nosan scripts/angelayi/draft_export:test_draft_export -- -r "test_shape_failure" `
Differential Revision: D64862374
Pull Request resolved: https://github.com/pytorch/pytorch/pull/138748
Approved by: https://github.com/ezyang
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| .. | ||
| __init__.py | ||
| _internal.py | ||
| _registrations.py | ||
| scribe.py | ||
| structured.py | ||