# Copyright (C) 2009, 2010 Roman Zimbelmann <romanz@lavabit.com> # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import os.path import sys rangerpath = os.path.join(os.path.dirname(__file__), '..') if sys.path[1] != rangerpath: sys.path[1:1] = [rangerpath] from ranger.ext.human_readable import * # The version before 2010/06/24: import math UNITS = 'BKMGTP' MAX_EXPONENT = len(UNITS) - 1 def human_readable_old(byte, seperator=' '): if not byte: return '0' exponent = int(math.log(byte, 2) / 10) flt = round(float(byte) / (1 << (10 * exponent)), 2) if exponent > MAX_EXPONENT: return '>9000' # off scale if int(flt) == flt: return '%.0f%s%s' % (flt, seperator, UNITS[exponent]) else: return '%.2f%s%s' % (flt, seperator, UNITS[exponent]) class benchmark_human_readable(object): def bm_current(self, n): for i in range(n): human_readable((128 * i) % 2**50) def bm_old(self, n): for i in range(n): human_readable_old((128 * i) % 2**50)