filter_log

def filter_log(msg_re=''):
    """Decorator to temporarily disable logging so as to prevent noise.

    :param msg_re: regular expression to be filtered out.
    :type msg_re: string.

    Note that the default argument '' causes all warnings to be filtered out.

    """
    def decorator(func):
        """helper function returned by the decorator."""
        class MessageFilter(logging.Filter):  # pylint: disable=R0903
            """Filters logging."""
            def filter(self, record):
                message = record.getMessage()
                return re.match(msg_re, message) is None

        @functools.wraps(func)
        def wrapper(*args, **kwargs):
            """Wraps the target function/method with temporary filter."""
            msg_filter = MessageFilter()
            try:
                estimate.log.addFilter(msg_filter)
                return func(*args, **kwargs)
            finally:
                estimate.log.removeFilter(msg_filter)
        return wrapper
    return decorator