def get_context_file_name(pid_file):
    """When the daemon is started write out the information which port it was using."""
    root = os.path.dirname(pid_file)
    port_file = os.path.join(root, "context.json")
    return port_file
def get_context_file_name ( pid_file ) : root = os . path . dirname ( pid_file ) port_file = os . path . join ( root , "context.json" ) return port_file
When the daemon is started write out the information which port it was using.