def METHOD_NAME(self):
    """Initialise options for Blast commandline (PRIVATE)."""
    command_options = self.option.get()
    options = ""
    if len(command_options.strip()):
        options = command_options.strip()
    db = self.convert_dbname_to_dbpath(self.dbs.get())
    prog = self.blast_path + self.blasts.get()
    self.command_data = [self.seq, prog, db, options]
    self.Run()