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lang_callback() — fastapi Function Reference

Architecture documentation for the lang_callback() function in docs.py from the fastapi codebase.

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Dependency Diagram

graph TD
  47638e40_83f7_2fcb_a5e7_4fe8b938619a["lang_callback()"]
  089911a1_02c3_0f6b_d62d_71c980ade67e["docs.py"]
  47638e40_83f7_2fcb_a5e7_4fe8b938619a -->|defined in| 089911a1_02c3_0f6b_d62d_71c980ade67e
  style 47638e40_83f7_2fcb_a5e7_4fe8b938619a fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

scripts/docs.py lines 106–110

def lang_callback(lang: Optional[str]) -> Union[str, None]:
    if lang is None:
        return None
    lang = lang.lower()
    return lang

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Frequently Asked Questions

What does lang_callback() do?
lang_callback() is a function in the fastapi codebase, defined in scripts/docs.py.
Where is lang_callback() defined?
lang_callback() is defined in scripts/docs.py at line 106.

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