create_file() — fastapi Function Reference

Architecture documentation for the create_file() function in tutorial001_02_an_py310.py from the fastapi codebase.

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FastAPI→ Applications→ create_file() — fastapi Function Reference

Dependency Diagram

graph TD
  98499a42_9ff9_64b6_eadb_b073664d0c20["create_file()"]
  8a579019_1629_0e0f_3bd9_12cce2bf44c2["tutorial001_02_an_py310.py"]
  98499a42_9ff9_64b6_eadb_b073664d0c20 -->|defined in| 8a579019_1629_0e0f_3bd9_12cce2bf44c2
  style 98499a42_9ff9_64b6_eadb_b073664d0c20 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

docs_src/request_files/tutorial001_02_an_py310.py lines 9–13

async def create_file(file: Annotated[bytes | None, File()] = None):
    if not file:
        return {"message": "No file sent"}
    else:
        return {"file_size": len(file)}