Python Comprehensive Logging using YAML Configuration

logging.py

import os
import yaml
import logging.config
import logging
import coloredlogs

def setup_logging(default_path='logging.yaml', default_level=logging.INFO, env_key='LOG_CFG'):
    """
    | **@author:** Prathyush SP
    | Logging Setup
    """
    path = default_path
    value = os.getenv(env_key, None)
    if value:
        path = value
    if os.path.exists(path):
        with open(path, 'rt') as f:
            try:
                config = yaml.safe_load(f.read())
                logging.config.dictConfig(config)
                coloredlogs.install()
            except Exception as e:
                print(e)
                print('Error in Logging Configuration. Using default configs')
                logging.basicConfig(level=default_level)
                coloredlogs.install(level=default_level)
    else:
        logging.basicConfig(level=default_level)
        coloredlogs.install(level=default_level)
        print('Failed to load configuration file. Using default configs')

logging.yaml

version: 1
disable_existing_loggers: true



formatters:
    standard:
        format: "%(asctime)s - %(name)s - %(levelname)s - %(message)s"
    error:
        format: "%(levelname)s <PID %(process)d:%(processName)s> %(name)s.%(funcName)s(): %(message)s"

handlers:
    console:
        class: logging.StreamHandler
        level: DEBUG
        formatter: standard
        stream: ext://sys.stdout

    info_file_handler:
        class: logging.handlers.RotatingFileHandler
        level: INFO
        formatter: standard
        filename: /tmp/info.log
        maxBytes: 10485760 # 10MB
        backupCount: 20
        encoding: utf8

    error_file_handler:
        class: logging.handlers.RotatingFileHandler
        level: ERROR
        formatter: error
        filename: /tmp/errors.log
        maxBytes: 10485760 # 10MB
        backupCount: 20
        encoding: utf8

    debug_file_handler:
        class: logging.handlers.RotatingFileHandler
        level: DEBUG
        formatter: standard
        filename: /tmp/debug.log
        maxBytes: 10485760 # 10MB
        backupCount: 20
        encoding: utf8

    critical_file_handler:
        class: logging.handlers.RotatingFileHandler
        level: CRITICAL
        formatter: standard
        filename: /tmp/critical.log
        maxBytes: 10485760 # 10MB
        backupCount: 20
        encoding: utf8

    warn_file_handler:
        class: logging.handlers.RotatingFileHandler
        level: WARN
        formatter: standard
        filename: /tmp/warn.log
        maxBytes: 10485760 # 10MB
        backupCount: 20
        encoding: utf8

root:
    level: NOTSET
    handlers: [console]
    propogate: yes

loggers:
    <module>:
        level: INFO
        handlers: [console, info_file_handler, error_file_handler, critical_file_handler, debug_file_handler, warn_file_handler]
        propogate: no

    <module.x>:
        level: DEBUG
        handlers: [info_file_handler, error_file_handler, critical_file_handler, debug_file_handler, warn_file_handler]
        propogate: yes

Can you please give an example of how to write yaml file for aiologger?