from werkzeug.contrib.cache import SimpleCache
CACHE_TIMEOUT = 300
cache = SimpleCache()
class cached(object):
def __init__(self, timeout=None):
self.timeout = timeout or CACHE_TIMEOUT
def __call__(self, f):
def decorator(*args, **kwargs):
response = cache.get(request.path)
if response is None:
response = f(*args, **kwargs)
cache.set(request.path, response, self.timeout)
return response
return decorator
@app.route("/")
@cached()
def index():
return render_template("index.html")
類的實(shí)例可以callable厅翔，且是以func為參數(shù)的一個(gè)裝飾器
