import logging
import logging.config


def default_setup():
    logging.config.dictConfig(
        {
            "version": 1,
            "disable_existing_loggers": False,  # fixes issue with config set up after loading loggers
            "formatters": {
                "standard": {
                    "format": "%(asctime)s [%(levelname)s] %(name)s: %(message)s"
                },
            },
            "handlers": {
                "default": {
                    "level": "INFO",
                    "class": "logging.StreamHandler",
                    "formatter": "standard",
                },
            },
            "loggers": {
                "": {"handlers": ["default"], "level": "INFO", "propagate": True}
            },
        }
    )


def get_logger(name, level=None):
    logger = logging.getLogger(name)
    level is not None and logger.setLevel(level)
    return logger


def class_logger(cls, level=None):
    lname = cls.__module__ + "." + cls.__name__
    return get_logger(lname, level)


def instance_logger(name, instance, level=None):
    lname = "%s.%s.%s" % (
        instance.__class__.__module__,
        instance.__class__.__name__,
        name,
    )
    return get_logger(lname, level)