#!/usr/bin/env python # -*- mode: python; coding: utf-8; -*- # ---------------------------------------------------------------------------## # # Copyright (C) 1998-2003 Markus Franz Xaver Johannes Oberhumer # Copyright (C) 2003 Mt. Hood Playing Card Co. # Copyright (C) 2005-2009 Skomoroh # # 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 . # # ---------------------------------------------------------------------------## # imports import re import pysol_cards assert getattr(pysol_cards, 'VERSION', (0, 0, 0)) >= (0, 8, 14), ( "Newer version of https://pypi.org/project/pysol-cards is required.") import pysol_cards.random # noqa: I100 import pysol_cards.random_base # noqa: I100 from pysol_cards.random import match_ms_deal_prefix # noqa: I100 # ************************************************************************ # * Linear Congruential random generator # * # * Knuth, Donald.E., "The Art of Computer Programming,", Vol 2, # * Seminumerical Algorithms, Third Edition, Addison-Wesley, 1998, # * p. 106 (line 26) & p. 108 # ************************************************************************ MS_LONG_BIT = (1 << 1000) CUSTOM_BIT = (1 << 999) class CustomRandom(pysol_cards.random_base.RandomBase): def __init__(self, seed=None): self.initial_seed = self.seed = MS_LONG_BIT | CUSTOM_BIT self.origin = self.ORIGIN_UNKNOWN self.setSeedAsStr('Custom') def reset(self): pass def shuffle(self, seq): pass # ************************************************************************ # * Linear Congruential random generator # * In PySol this is only used for 0 <= seed <= 32000 # * for Windows FreeCell compatibility # ************************************************************************ class LCRandom31(pysol_cards.random.LCRandom31): def getSeedStr(self): return "ms" + str(self.initial_seed) def str(self, seed): if match_ms_deal_prefix("{}".format(seed)) is None: return "%05d" % int(seed) return seed PysolRandom = pysol_cards.random.MTRandom # ************************************************************************ # * PySol support code # ************************************************************************ # construct Random from seed string def constructRandom(s): if s == 'Custom': return CustomRandom() m = match_ms_deal_prefix(s) if m is not None: seed = m if 0 <= seed <= LCRandom31.MAX_SEED: ret = LCRandom31(seed) assert ret.seed assert ret.seedx assert ret.initial_seed # ret.setSeedAsStr(s) return ret else: raise ValueError("ms seed out of range") # cut off "L" from possible conversion to int s = re.sub(r"L$", "", str(s)) s = re.sub(r"[\s\#\-\_\.\,]", "", s.lower()) if not s: return None seed = int(s) if 0 <= seed < 32000: return LCRandom31(seed) return pysol_cards.random.MTRandom(seed) def random__str2int(s): if s == 'Custom': return CUSTOM_BIT | MS_LONG_BIT m = match_ms_deal_prefix(s) if m is not None: return (m | MS_LONG_BIT) else: return int(s) def random__int2str(l): if ((l & MS_LONG_BIT) != 0): if ((l & CUSTOM_BIT) != 0): return 'Custom' return "ms" + str(l & (~ MS_LONG_BIT)) else: return str(l) # test if __name__ == '__main__': r = constructRandom('12345') print(r.randint(0, 100)) print(r.random()) print(type(r))