logging.yaml

---
version: 1
disable_existing_loggers: True
formatters:
    simple:
        format: "%(relativeCreated)6d,%(threadName)s - [%(levelname)s] - %(message)s"
    detailed:
        format: "%(asctime)s: %(relativeCreated)6d,%(threadName)s - [%(levelname)s] - %(message)s"
handlers:
    console:
        class: logging.StreamHandler
        level: ERROR
        formatter: simple
        stream: ext://sys.stdout

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

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

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

root:
    level: DEBUG
    handlers: [console, info_file_handler, debug_file_handler, error_file_handler]
...