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1 #!/usr/bin/env python
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2 # Copyright (C) 2000-2001 The OpenRPG Project
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3 #
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4 # openrpg-dev@lists.sourceforge.net
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5 #
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6 # This program is free software; you can redistribute it and/or modify
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7 # it under the terms of the GNU General Public License as published by
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8 # the Free Software Foundation; either version 2 of the License, or
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9 # (at your option) any later version.
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10 #
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU General Public License for more details.
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15 #
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16 # You should have received a copy of the GNU General Public License
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17 # along with this program; if not, write to the Free Software
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18 # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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19 # --
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20 #
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21 # File: dieroller/utils.py
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22 # Author: OpenRPG Team
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23 # Maintainer:
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24 # Version:
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25 # $Id: utils.py,v Traipse 'Ornery-Orc' prof.ebral Exp $
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26 #
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27 # Description: Classes to help manage the die roller
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28 #
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29
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30 __version__ = "$Id: utils.py,v Traipse 'Ornery-Orc' prof.ebral Exp Exp $"
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31
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32 import re
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33
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34 import orpg.dieroller.rollers
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35 from orpg.dieroller.base import die_rollers
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36
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37 class roller_manager(object):
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38 def __new__(cls):
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39 it = cls.__dict__.get("__it__")
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40 if it is not None: return it
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41 cls.__it__ = it = object.__new__(cls)
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42 it._init()
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43 return it
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44
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45 def _init(self):
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46 self.setRoller('std')
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47
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48 def setRoller(self, roller_class):
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49 try: self.roller_class = die_rollers[roller_class]
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50 except KeyError: raise Exception("Invalid die roller!")
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18
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51
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28
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52 def getRoller(self):
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53 return self.roller_class.name
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54
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55 def listRollers(self):
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56 return die_rollers.keys()
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57
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58 def stdDieToDClass(self, match):
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59 s = match.group(0); self.eval = str(match.string)
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60 num_sides = s.split('d')
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61 if len(num_sides) > 1:
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62 num_sides; num = num_sides[0]; sides = num_sides[1]
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63 if sides.strip().upper() == 'F': sides = "'f'"
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64 try:
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65 if int(num) > 100 or int(sides) > 10000: return None
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66 except: pass
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67 ret = ['(', num.strip(), "**die_rollers['", self.getRoller(), "'](",
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68 sides.strip(), '))']
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69 s = ''.join(ret)
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70 self.eval = s
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71 return s
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72
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73 ## Portable Non Standard Die Characters #Prof-Ebral
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74 else: s = die_rollers._rollers[self.getRoller()]().non_stdDie(s); return s
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75
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76 # Use this to convert ndm-style (3d6) dice to d_base format
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77 def convertTheDieString(self,s):
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78 self.result = ''
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79 reg = re.compile("(?:\d+|\([0-9\*/\-\+]+\))\s*[a-zA-Z]+\s*[\dFf]+")
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80 (result, num_matches) = reg.subn(self.stdDieToDClass, s)
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81 if num_matches == 0 or result is None:
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82 reg = re.compile("(?:\d+|\([0-9\*/\-\+]+\))\s*[a-zA-Z]+\s*[a-zA-Z]+") ## Prof Ebral
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83 (result, num_matches) = reg.subn(self.stdDieToDClass, s) ## Prof Ebral
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84 """try: ## Kinda pointless when you can create new Regular Expressions
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85 s2 = self.roller_class + "(0)." + s ## Broken method
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86 test = eval(s2)
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87 return s2
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88 except Exception, e: print e; pass"""
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89 self.result = result
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90 try: return self.do_math(s)
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91 except: pass
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92 return result
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93
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94 def do_math(self, s):
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95 return str(eval(s))
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96
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97 def proccessRoll(self, s):
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98 v = self.convertTheDieString(s)
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99 try: b = str(eval(v))
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100 except:
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101 if v == self.eval: b = s
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102 else: b = str(v) ##Fail safe for non standard dice.
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103 return b
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104
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