#
!/usr/bin/env python
#
-*- coding: utf-8 -*-
#
2/10/16 base trans. wrote by srcdog on 20th, April, 2009
#
ld elements in base 2, 10, 16.
import os,sys
#
global definition
#
base = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E, F]
base = [str(x)
for x
in range(10)] + [ chr(x)
for x
in range(ord(
'
A
'),ord(
'
A
')+6)]
#
bin2dec
#
二进制 to 十进制: int(str,n=10)
def bin2dec(string_num):
return str(int(string_num, 2))
#
hex2dec
#
十六进制 to 十进制
def hex2dec(string_num):
return str(int(string_num.upper(), 16))
#
dec2bin
#
十进制 to 二进制: bin()
def dec2bin(string_num):
num = int(string_num)
mid = []
while True:
if num == 0:
break
num,rem = divmod(num, 2)
mid.append(base[rem])
return
''.join([str(x)
for x
in mid[::-1]])
#
dec2hex
#
十进制 to 八进制: oct()
#
十进制 to 十六进制: hex()
def dec2hex(string_num):
num = int(string_num)
mid = []
while True:
if num == 0:
break
num,rem = divmod(num, 16)
mid.append(base[rem])
return
''.join([str(x)
for x
in mid[::-1]])
#
hex2tobin
#
十六进制 to 二进制: bin(int(str,16))
def hex2bin(string_num):
return dec2bin(hex2dec(string_num.upper()))
#
bin2hex
#
二进制 to 十六进制: hex(int(str,2))
def bin2hex(string_num):
return dec2hex(bin2dec(string_num))