httpServerLogParser.py 文件源码

def getLogLineBNF():
    global logLineBNF

    if logLineBNF is None:
        integer = Word( nums )
        ipAddress = delimitedList( integer, ".", combine=True )

        timeZoneOffset = Word("+-",nums)
        month = Word(string.uppercase, string.lowercase, exact=3)
        serverDateTime = Group( Suppress("[") +
                                Combine( integer + "/" + month + "/" + integer +
                                        ":" + integer + ":" + integer + ":" + integer ) +
                                timeZoneOffset +
                                Suppress("]") )

        logLineBNF = ( ipAddress.setResultsName("ipAddr") +
                       Suppress("-") +
                       ("-" | Word( alphas+nums+"@._" )).setResultsName("auth") +
                       serverDateTime.setResultsName("timestamp") +
                       dblQuotedString.setResultsName("cmd").setParseAction(getCmdFields) +
                       (integer | "-").setResultsName("statusCode") +
                       (integer | "-").setResultsName("numBytesSent")  +
                       dblQuotedString.setResultsName("referrer").setParseAction(removeQuotes) +
                       dblQuotedString.setResultsName("clientSfw").setParseAction(removeQuotes) )
    return logLineBNF