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