def _wrapusage(self, usage=None, width=<NUM_LIT:0>):
if not width:<EOL><INDENT>width = self.width<EOL><DEDENT>return textwrap.fill('<STR_LIT>' + self.format_usage(usage), width=width, subsequent_indent='<STR_LIT>')<EOL>
Textwrap usage instructions.
        ARGS:
        width = 0 <int>:
            Maximum allowed page width. 0 means use default from
            self.iMaxHelpWidth.