| Sylvain Munaut | 76504e0 | 2010-12-07 00:24:32 +0100 | [diff] [blame^] | 1 | #!/usr/bin/env python |
| 2 | # -*- coding: utf-8 -*- |
| 3 | |
| 4 | """ pySim: various utilities |
| 5 | """ |
| 6 | |
| 7 | # |
| 8 | # Copyright (C) 2009-2010 Sylvain Munaut <tnt@246tNt.com> |
| 9 | # |
| 10 | # This program is free software: you can redistribute it and/or modify |
| 11 | # it under the terms of the GNU General Public License as published by |
| 12 | # the Free Software Foundation, either version 2 of the License, or |
| 13 | # (at your option) any later version. |
| 14 | # |
| 15 | # This program is distributed in the hope that it will be useful, |
| 16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | # GNU General Public License for more details. |
| 19 | # |
| 20 | # You should have received a copy of the GNU General Public License |
| 21 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 22 | # |
| 23 | |
| 24 | |
| 25 | def h2b(s): |
| 26 | return ''.join([chr((int(x,16)<<4)+int(y,16)) for x,y in zip(s[0::2], s[1::2])]) |
| 27 | |
| 28 | def b2h(s): |
| 29 | return ''.join(['%02x'%ord(x) for x in s]) |
| 30 | |
| 31 | def h2i(s): |
| 32 | return [(int(x,16)<<4)+int(y,16) for x,y in zip(s[0::2], s[1::2])] |
| 33 | |
| 34 | def i2h(s): |
| 35 | return ''.join(['%02x'%(x) for x in s]) |
| 36 | |
| 37 | def swap_nibbles(s): |
| 38 | return ''.join([x+y for x,y in zip(s[1::2], s[0::2])]) |
| 39 | |
| 40 | def rpad(s, l, c='f'): |
| 41 | return s + c * (l - len(s)) |
| 42 | |
| 43 | def lpad(s, l, c='f'): |
| 44 | return c * (l - len(s)) + s |