Some notes about fastapi tutorial part 2
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from fastapi import FastAPI, Query
from typing import List
app = FastAPI()
# Query parameter list / multiple values
@app.get("/items/")
async def read_items(
q: str = Query(
None,
alias="item-query",
title="Query string",
description="Query string for the items to search in the database that have a good match",
min_length=3,
max_length=50,
regex="^fixedquery$",
deprecated=True,
)
):
results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
if q:
results.update({"q": q})
return results
@app.get("/items/")
async def read_items(q: str = Query(None, alias="item-query")):
results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
if q:
results.update({"q": q})
return results
@app.get("/items/")
async def read_items(
q: str = Query(
None,
title="Query string",
description="Query string for the items to search in the database that have a good match",
min_length=3,
)
):
results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
if q:
results.update({"q": q})
return results
## with default
@app.get("/items/")
async def read_items(q: List[str] = Query(["foo", "bar"])):
query_items = {"q": q}
return query_items
@app.get("/items/")
async def read_items(q: List[str] = Query(None)):
query_items = {"q": q}
return query_items
# Query Parameters and String Validations
## required
@app.get("/items/")
async def read_items(q: str = Query(..., min_length=3)):
results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
if q:
results.update({"q": q})
return results
@app.get("/items/")
async def read_items(q: str = Query("fixedquery", min_length=3)):
results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
if q:
results.update({"q": q})
return results
@app.get("/items/")
async def read_items(q: str = Query(None, min_length=3, max_length=50, regex="^fixedquery$")):
results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
if q:
results.update({"q": q})
return results
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