How to run HttpHandler from .ini file configuration in though python logging?

Question

I have done all kinds of logging through .ini file and all are working fine but in HttpHandler I am not getting log message into my route.

This is my logging.ini file:

[loggers]
keys=root

[logger_root]
level=DEBUG
handlers=httpHandler

[formatters]
keys=simple

[formatter_simple]
format=%(asctime)s [%(levelname)s] %(name)s: %(message)s

[handlers]
keys=httpHandler

[handler_httpHandler]
class=handlers.HTTPHandler
formatter=simple
args=('localhost:8080','/httplogtest', 'POST')

And this is my logger.py file:

import logging

from logging.config import fileConfig

fileConfig('logging.ini')
logger = logging.getLogger()

# This message should be passed to http call
logger.info("This is INFO log")

And I want to receive this log message into my request. I just want to do this functionality through .ini file without any custom handler.

from flask import Flask

app = Flask(__name__)

@app.route('/httplogtest', methods=['GET', 'POST'])
def handle_http_log():    
   # I need to print this debug message here
   print('Error log should be here')

It's not a duplicate question. I searched many resources but I didn't get my actual workaround to do httphandler logging from only .ini file.

Answer 1

You are missing a return in your application file and a way to obtain the log. You can try (see also Get the data received in a Flask request):

$ cat app.py 
from flask import Flask, request
import json

app = Flask(__name__)

@app.route('/httplogtest', methods=['POST', 'GET'])
def handle_http_log(): 
    print(f'Error log should be here: {request.form.get("msg")}')
    print(json.dumps(request.form))
    return ""    

if __name__ == '__main__':
    app.run(host='localhost', port = 8080, debug=True)

$ python3 app.py 
 * Serving Flask app "app" (lazy loading)
 * Environment: production
   WARNING: This is a development server. Do not use it in a production deployment.
   Use a production WSGI server instead.
 * Debug mode: on
 * Running on http://localhost:8080/ (Press CTRL+C to quit)
 * Restarting with stat
 * Debugger is active!
 * Debugger PIN: 235-227-512
Error log should be here: This is INFO log
{"name": "root", "msg": "This is INFO log", "args": "()", "levelname": "INFO", "levelno": "20", "pathname": "logger.py", "filename": "logger.py", "module": "logger", "exc_info": "None", "exc_text": "None", "stack_info": "None", "lineno": "9", "funcName": "<module>", "created": "1619127251.130069", "msecs": "130.06901741027832", "relativeCreated": "18.280029296875", "thread": "4653424064", "threadName": "MainThread", "processName": "MainProcess", "process": "82830"}
127.0.0.1 - - [22/Apr/2021 23:34:11] "POST /httplogtest HTTP/1.1" 200 -