add environment-variable control for writing to dev/null

logger = logging.getLogger(__name__)

USE_LOGGER_FOR_DBG = False  # current tests do not make use of the logger feature

# hack for not writing to disk -> useful for measuring coverage of exhaustive tests

WRITE_TO_NULL = True if "WRITE_TO_NULL" in os.environ else False

def log_dbg_msg(message):

    """

            str(bitrate),

            str(input_sampling_rate),

            str(input_path),

            str(output_bitstream_path),

            str(output_bitstream_path) if not WRITE_TO_NULL else "/dev/null",

        ]

        cmd_str = textwrap.indent(" ".join(command), prefix="\t")

        command += [

            str(output_sampling_rate),

            str(input_bitstream_path),

            str(output_path),

            str(output_path) if not WRITE_TO_NULL else "/dev/null",

        ]

        cmd_str = textwrap.indent(" ".join(command), prefix="\t")