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fix: Implement missing run_moderation method in PromptGuardSafetyImpl (#3101)

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# What does this PR do?
<!-- Provide a short summary of what this PR does and why. Link to
relevant issues if applicable. -->
This PR addresses an issue where `PromptGuardSafetyImpl` was an
incomplete implementation of an abstract class. The class was missing
the required run_moderation method from its parent interface.


Currently, running `pre-commit` locally fails with the error below.

```
llama_stack/providers/inline/safety/prompt_guard/__init__.py:15: error: Cannot instantiate abstract class "PromptGuardSafetyImpl" with abstract attribute "run_moderation"  [abstract]
Found 1 error in 1 file (checked 410 source files)
```

This PR fixes the issue as follows

- Added the missing run_moderation method to PromptGuardSafetyImpl
- Method raises NotImplementedError with appropriate message indicating
this functionality is not implemented for PromptGuard
- This allows the class to be properly instantiated while clearly
indicating the limitation

<!-- If resolving an issue, uncomment and update the line below -->
<!-- Closes #[issue-number] -->

Signed-off-by: Mustafa Elbehery <melbeher@redhat.com>
This commit is contained in:
Mustafa Elbehery 2025-08-12 17:32:52 +02:00 • committed by GitHub
parent 19123ca957
commit 4a13ef45e9
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llama_stack/providers/inline/safety/prompt_guard/prompt_guard.py
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@ -64,6 +64,9 @@ class PromptGuardSafetyImpl(Safety, ShieldsProtocolPrivate):
return await self.shield.run(messages) return await self.shield.run(messages)
async def run_moderation(self, input: str | list[str], model: str):
raise NotImplementedError("run_moderation not implemented for PromptGuard")
class PromptGuardShield: class PromptGuardShield:
def __init__( def __init__(