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30 lines
690 B
30 lines
690 B
#!/usr/bin/env python
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"""A very simple script to convert an integer into an IPv4 address.
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Expects an integer as the only argument."""
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from sys import argv
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def from_base256(number):
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num = int(number, 16)
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addr = list()
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for e in range(3, -1, -1):
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multiplier = 256 ** e
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octet = num // multiplier
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addr.append(str(octet))
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num = num % multiplier
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return '.'.join(addr)
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def to_base256(addr):
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addr = addr.split('.')
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num = 0
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for e in range(3, -1, -1):
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num += int(addr[3-e]) * 256 ** e
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return '{0:08x}'.format(num)
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try:
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result = from_base256(argv[1])
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except ValueError:
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result = to_base256(argv[1])
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print(result)
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