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Example Code

router.add_api_route(
    "/clear",
    clear,
    methods=["POST", "DELETE"]
)

Description

Seems to be caused by #4650.

The new generate_unique_id() function uses list(route.methods)[0].lower() as suffix for the operation_id. Therefore, in my example, both post and delete endpoints get _post suffix for operation_id, causing it to no longer be unique.

It then issues a "UserWarning: Duplicate Operation ID"

Operating System

Windows

Operating System Details

No response

FastAPI Version

0.75.0

Python Version

3.10.2

Additional Context

No response