Redis の WebAPI (FastAPI)

こちらで定めた仕様を満たすサーバーサイドのプログラムです。
FastAPI で実装しました。
Redis の WebAPI を作成

redis01.py

# --------------------------------------------------------
#
#   redis01.py
#
#                   Jun/08/2021
# --------------------------------------------------------
from fastapi import FastAPI
from pydantic import BaseModel
import  redis
# --------------------------------------------------------

class Item(BaseModel):
    key: str

class Item_insert(BaseModel):
    key: str
    value: str

app = FastAPI()

@app.post("/redis_get/")
async def redis_get(item: Item):
    key = item.key
    rr = redis.Redis(host='localhost', port=6379, db=0)
    json_str = rr.get(key).decode()
    return json_str


@app.post("/redis_insert/")
async def redis_insert(item_insert: Item_insert):
    key = item_insert.key
    value = item_insert.value
    rr = redis.Redis(host='localhost', port=6379, db=0)
    rr.set(key, value)
#
    return key


@app.post("/redis_list/")
async def redis_list():
    rr = redis.Redis(host='localhost', port=6379, db=0)
    keys = rr.keys('*') 
    return keys




# --------------------------------------------------------

サーバーの起動

uvicorn redis01:app --reload

クライアントからアクセス

キーの一覧

$ http POST http://127.0.0.1:8000/redis_list/
HTTP/1.1 200 OK
content-length: 73
content-type: application/json
date: Tue, 08 Jun 2021 05:38:27 GMT
server: uvicorn

[
    "t1858",
    "t1857",
    "t1856",
    "t1854",
    "t1853",
    "t1855",
    "t1852",
    "t1851",
    "t1859"
]

キーを指定して値の取得

$ http POST http://127.0.0.1:8000/redis_get/ key=t1852
HTTP/1.1 200 OK
content-length: 84
content-type: application/json
date: Tue, 08 Jun 2021 05:39:04 GMT
server: uvicorn

"{\"name\": \"\\u6566\\u8cc0\", \"population\": 41295, \"date_mod\": \"2003-5-10\"}"

値の挿入

$ http POST http://127.0.0.1:8000/redis_insert/ key=t1853 value='{"name": "宇都宮","population": 8751600,"date_mod": "2021-3-17"}'
HTTP/1.1 200 OK
content-length: 7
content-type: application/json
date: Tue, 08 Jun 2021 05:39:35 GMT
server: uvicorn

"t1853"