utils.py 文件源码

def random_id(length=8):
    """ Generates a random alphanumeric id string.
    """
    tlength = int(length / 2)
    rlength = int(length / 2) + int(length % 2)

    chars = ['0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']
    text = ""
    for i in range(0, rlength):
        text += random.choice(chars)
    text += str(hex(int(time.time())))[2:][-tlength:].rjust(tlength, '0')[::-1]
    return text


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# Color correction functions
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