replace int-to-ip4 and ip4-to-int with base256 single script that detects what we want from it automatically

This commit is contained in:
Von Random 2016-05-13 13:56:03 +03:00
parent f04fa8ba9e
commit fa6c4120b7
3 changed files with 30 additions and 25 deletions

30
base256.py Executable file
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@ -0,0 +1,30 @@
#!/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)

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@ -1,14 +0,0 @@
#!/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
addr = list()
num = int(argv[1])
for e in range(3, -1, -1):
multiplier = 256 ** e
octet = num // multiplier
addr.append(str(octet))
num = num % multiplier
print('.'.join(addr))

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@ -1,11 +0,0 @@
#!/usr/bin/env python
"""A very simple script to convert an IPv4 address into an integer.
Expects a single IPv4 address as the only argument."""
from sys import argv
addr = argv[1].split('.')
num = 0
for e in range(3, -1, -1):
num += int(addr[3-e]) * 256 ** e
print(num)