Coverage for docs_src / query_params_str_validations / tutorial015_an_py310.py: 100%

1import random 3 ctx1abc

2from typing import Annotated 3 ctx1abc

3 

4from fastapi import FastAPI 3 ctx1abc

5from pydantic import AfterValidator 3 ctx1abc

6 

7app = FastAPI() 3 ctx1abc

8 

9data = { 3 ctx1abc

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

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

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

13} 

14 

15 

16def check_valid_id(id: str): 3 ctx1abc

17 if not id.startswith(("isbn-", "imdb-")): 9 ctx1mdenfgohi

18 raise ValueError('Invalid ID format, it must start with "isbn-" or "imdb-"') 3 ctx1mno

19 return id 6 ctx1defghi

20 

21 

22@app.get("/items/") 3 ctx1abc

23async def read_items( 3 ctx1abc

24 id: Annotated[str | None, AfterValidator(check_valid_id)] = None, 

25): 

26 if id: 9 ctx1dejfgkhil

27 item = data.get(id) 6 ctx1defghi

28 else: 

29 id, item = random.choice(list(data.items())) 3 ctx1jkl

30 return {"id": id, "name": item} 9 ctx1dejfgkhil