read_main() — fastapi Function Reference

Architecture documentation for the read_main() function in main.py from the fastapi codebase.

Function python FastAPI Applications

Entity Profile

FastAPI→ Applications→ read_main() — fastapi Function Reference

Dependency Diagram

graph TD
  2340e18d_6c5e_3aa5_9d53_81edd06f7fa3["read_main()"]
  1c33ec6d_9dd6_311d_1bf8_df673f486b93["main.py"]
  2340e18d_6c5e_3aa5_9d53_81edd06f7fa3 -->|defined in| 1c33ec6d_9dd6_311d_1bf8_df673f486b93
  style 2340e18d_6c5e_3aa5_9d53_81edd06f7fa3 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

docs_src/app_testing/app_b_py39/main.py lines 23–28

async def read_main(item_id: str, x_token: str = Header()):
    if x_token != fake_secret_token:
        raise HTTPException(status_code=400, detail="Invalid X-Token header")
    if item_id not in fake_db:
        raise HTTPException(status_code=404, detail="Item not found")
    return fake_db[item_id]