flask-crlatency (flask-check-route-latency)

A flask extension to log route latency

Installation

pip install flask-crlatency

Example

from flask import Flask
from flask_crlatency import RouteLatencyLogger

app = Flask(__name__)
app.config["SECRET_KEY"] ="your_secret_key"
app.config["DEBUG"] = True
app.config["MAX_ROUTE_LATENCY"] = 0.1

latency_logger = RouteLatencyLogger(app)

@app.route("/")
def index():
    return "Hello, World!"

if __name__ == "__main__":
    app.run()

response:

[2023-08-19 10:00:58,654] WARNING in __init__: High latency for route index: 3.001345 seconds
127.0.0.1 - - [19/Aug/2023 10:00:58] "GET / HTTP/1.1" 200 -