Coverage for docs_src/query_params_str_validations/tutorial015_an.py: 100%

1import random 6 ctx1abcdef

2from typing import Union 6 ctx1abcdef

3 

4from fastapi import FastAPI 6 ctx1abcdef

5from pydantic import AfterValidator 6 ctx1abcdef

6from typing_extensions import Annotated 6 ctx1abcdef

7 

8app = FastAPI() 6 ctx1abcdef

9 

10data = { 6 ctx1abcdef

11 "isbn-9781529046137": "The Hitchhiker's Guide to the Galaxy", 

12 "imdb-tt0371724": "The Hitchhiker's Guide to the Galaxy", 

13 "isbn-9781439512982": "Isaac Asimov: The Complete Stories, Vol. 2", 

14} 

15 

16 

17def check_valid_id(id: str): 6 ctx1abcdef

18 if not id.startswith(("isbn-", "imdb-")): 18 ctx1yghzijAklBmnCopDqr

19 raise ValueError('Invalid ID format, it must start with "isbn-" or "imdb-"') 6 ctx1yzABCD

20 return id 12 ctx1ghijklmnopqr

21 

22 

23@app.get("/items/") 6 ctx1abcdef

24async def read_items( 6 ctx1abcdef

25 id: Annotated[Union[str, None], AfterValidator(check_valid_id)] = None, 

26): 

27 if id: 18 ctx1ghsijtklumnvopwqrx

28 item = data.get(id) 12 ctx1ghijklmnopqr

29 else: 

30 id, item = random.choice(list(data.items())) 6 ctx1stuvwx

31 return {"id": id, "name": item} 18 ctx1ghsijtklumnvopwqrx