Hi there, 
I've been looking for 2 days for a way to convert integer to binary number 
0-padded, nothing... 
I need to get numbers converted with a defined number of bits. For example on 8 
bits 2 = 00000010
I wrote the following:
<code>
#!/usr/bin/env python


def int2binPadded(number, size):
    """The purpose of this function is to convert integer number to binary 
number
    0-padded."""
    if type(number)!=int or number < 0:
        raise ValueError, "should be a positive integer"
    if type(size)!=int:
        raise ValueError, "should be an integer"
    if number > (2**size)-1:
        raise ValueError, "number is too large"
    # convert int to bin
    b = str(bin(number))[2:]

    if len(b) !=size:
        b = (size-len(b))*"0"+b

    return b


if __name__ == "__main__":
    import sys
    print int2binPadded(int(sys.argv[1]),int(sys.argv[2]))
</code>

This satisfies my needs !

Though, what do you think about it ?

Thank you for you remarks,

Olivier
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