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    Hashes the string (with the given hashing module), then turns that
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    identifier will be padded with 0's as necessary.

    ``prefix`` will be added last, and does not count towards the
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    >>> make_identifier(0)
    ''
    >>> make_identifier(1000)
    'c53'
    >>> make_identifier(-100)
    Traceback (most recent call last):
        ...
    ValueError: You cannot make identifiers out of negative numbers: -100
    >>> make_identifier('test')
    Traceback (most recent call last):
        ...
    ValueError: You can only make identifiers out of integers (not 'test')
    >>> make_identifier(1000000000000)
    'c53x9rqh3'
    Rs'
    >>> hash_identifier(0, 5)
    'cy2dr'
    >>> hash_identifier(0, 10)
    'cy2dr6rg46'
    >>> hash_identifier('this is a test of a long string', 5)
    'awatu'
    >>> hash_identifier(0, 26)
    'cy2dr6rg46cx8t4w2f3nfexzk4'
    >>> hash_identifier(0, 30)
    Traceback (most recent call last):
        ...
    ValueError: md5 cannot create hashes longer than 26 characters in length (you gave 30)
    >>> hash_identifier(0, 10, group=4)
    'cy-2dr6-rg46'
    >>> hash_identifier(0, 10, group=4, upper=True, prefix='M-')
    'M-CY-2DR6-RG46'
    R't__main__N(t__doc__thashlibRtImportErrorR	RRRtTruetNonetFalseR't__test__t__name__tdoctestttestmod(((sY/opt/alt/python27/lib/python2.7/site-packages/paste/exceptions/serial_number_generator.pyt<module>	s



		
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