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import logging
import time
from datetime import timedelta


class LogFormatter:
    def __init__(self):
        self.start_time = time.time()

    def format(self, record):
        elapsed_seconds = round(record.created - self.start_time)

        prefix = "%s - %s - %s" % (
            record.levelname,
            time.strftime("%x %X"),
            timedelta(seconds=elapsed_seconds),
        )
        message = record.getMessage()
        message = message.replace("\n", "\n" + " " * (len(prefix) + 3))
        return "%s - %s" % (prefix, message)


def create_logger(filepath, args):
    # create log formatter
    log_formatter = LogFormatter()

    # create file handler and set level to debug
    file_handler = logging.FileHandler(filepath, "a")
    file_handler.setLevel(logging.DEBUG)
    file_handler.setFormatter(log_formatter)

    # create console handler and set level to info
    console_handler = logging.StreamHandler()
    console_handler.setLevel(logging.INFO)
    console_handler.setFormatter(log_formatter)

    # create logger and set level to debug
    logger = logging.getLogger()
    logger.handlers = []
    logger.setLevel(logging.DEBUG)
    logger.propagate = False
    logger.addHandler(file_handler)
    logger.addHandler(console_handler)

    # reset logger elapsed time
    def reset_time():
        log_formatter.start_time = time.time()

    logger.reset_time = reset_time

    logger.info(
        "\n".join(
            "%s: %s" % (k, str(v))
            for k, v in sorted(dict(vars(args)).items(), key=lambda x: x[0])
        )
    )

    return logger