feat: support cache jinja2 template response

examples/redis/main.py

@@ -7,13 +7,21 @@ from fastapi import FastAPI
 from redis.asyncio.connection import ConnectionPool
 from starlette.requests import Request
 from starlette.responses import Response
-
+from fastapi.responses import HTMLResponse
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
 from fastapi_cache import FastAPICache
 from fastapi_cache.backends.redis import RedisBackend
+from fastapi_cache.coder import PickleCoder
 from fastapi_cache.decorator import cache
 
 app = FastAPI()
 
+app.mount(
+    path='/static',
+    app=StaticFiles(directory='./'), name='static',
+)
+templates = Jinja2Templates(directory='./')
 ret = 0
 
 
@@ -55,6 +63,14 @@ async def get_datetime(request: Request, response: Response):
     return pendulum.now()
 
 
+@app.get('/html', response_class=HTMLResponse)
+@cache(expire=60, namespace="html", coder=PickleCoder)
+async def cache_html(request: Request):
+    return templates.TemplateResponse('index.html', {
+        'request': request, "ret": await get_ret()
+    })
+
+
 @app.on_event("startup")
 async def startup():
     pool = ConnectionPool.from_url(url="redis://redis")