CommonQueryParams (dependencies/tutorial004_an_py310.py)

FastAPI dependency that parses common query parameters for pagination and search.

# Source: https://github.com/nerdy-tech-com-gitub/fastapi | License: MIT | Copyright 2018 Sebastián Ramírez
# Provided via justclaw.it.com; keep this notice with the code.
from typing import Annotated

from fastapi import Depends, FastAPI

app = FastAPI()


fake_items_db = [{"item_name": "Foo"}, {"item_name": "Bar"}, {"item_name": "Baz"}]


class CommonQueryParams:
    def __init__(self, q: str | None = None, skip: int = 0, limit: int = 100):
        self.q = q
        self.skip = skip
        self.limit = limit


@app.get("/items/")
async def read_items(commons: Annotated[CommonQueryParams, Depends()]):
    response = {}
    if commons.q:
        response.update({"q": commons.q})
    items = fake_items_db[commons.skip : commons.skip + commons.limit]
    response.update({"items": items})
 

... (truncated -- full source via MCP)