TimedRotatingLogger

app.py

#!/usr/bin/env python
# coding: utf-8
import logging.config
from logging.handlers import TimedRotatingFileHandler

from flask import Flask, request

app = Flask(__name__)
app.secret_key = "ecret_key"

LOG_FILE = "./logs/data.log"
LOG_FOTMATTER = logging.Formatter('%(asctime)s - %(name)s:%(lineno)s - %(levelname)s - %(message)s')
REQUEST_FORMATTER = "{} - {}"

@app.route('/')
def home():
    pass

@app.route("/data", methods=["POST"])
def data_router():
    if request.method == 'POST':
        host = request.headers["host"]
        data = request.get_json()
        if data:
            app.logger.info(REQUEST_FORMATTER.format(host, data))
            return "OK", 201
        else:
            return "No meaningful JSON body", 400

if __name__ == "__main__":
    handler = TimedRotatingFileHandler(LOG_FILE, when="midnight")
    handler.setLevel(logging.DEBUG)
    handler.setFormatter(LOG_FOTMATTER)
    app.logger.addHandler(handler)
    app.logger.setLevel(logging.DEBUG)
    app.run(port=5000, debug=True)