common.py 文件源码

def randomizeParameterValue(value):
    """
    Randomize a parameter value based on occurances of alphanumeric characters

    >>> random.seed(0)
    >>> randomizeParameterValue('foobar')
    'rnvnav'
    >>> randomizeParameterValue('17')
    '83'
    """

    retVal = value

    value = re.sub(r"%[0-9a-fA-F]{2}", "", value)

    for match in re.finditer('[A-Z]+', value):
        while True:
            original = match.group()
            candidate = randomStr(len(match.group())).upper()
            if original != candidate:
                break

        retVal = retVal.replace(original, candidate)

    for match in re.finditer('[a-z]+', value):
        while True:
            original = match.group()
            candidate = randomStr(len(match.group())).lower()
            if original != candidate:
                break

        retVal = retVal.replace(original, candidate)

    for match in re.finditer('[0-9]+', value):
        while True:
            original = match.group()
            candidate = str(randomInt(len(match.group())))
            if original != candidate:
                break

        retVal = retVal.replace(original, candidate)

    return retVal