smi.py 文件源码

def __init__(self, startSym='mibFile', tempdir=''):
        if tempdir:
            tempdir = os.path.join(tempdir, startSym)
            try:
                os.makedirs(tempdir)
            except OSError:
                if sys.exc_info()[1].errno != 17:
                    raise error.PySmiError('Failed to create cache directory %s: %s' % (tempdir, sys.exc_info()[1]))

        self.lexer = self.defaultLexer(tempdir=tempdir)

        # tokens are required for parser
        self.tokens = self.lexer.tokens

        if debug.logger & debug.flagParser:
            logger = debug.logger.getCurrentLogger()
        else:
            logger = yacc.NullLogger()

        if debug.logger & debug.flagGrammar:
            debuglogger = debug.logger.getCurrentLogger()
        else:
            debuglogger = None

        self.parser = yacc.yacc(module=self,
                                start=startSym,
                                write_tables=bool(tempdir),
                                debug=False,
                                outputdir=tempdir,
                                debuglog=debuglogger,
                                errorlog=logger)