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annotate engine/extensions/pythonize.py @ 362:6da97ffede18

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Patch by amo-ej1 (Elie de Brauwer): * Fixes the map editor's save map as functionality * Close #382
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Sun, 18 Oct 2009 20:13:21 +0000
parents dfd48d49c044
children
rev   line source
331
48c99636453e Added Licence header to all pypthon modules in extension/
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1 # -*- coding: utf-8 -*-
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2
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3 # ####################################################################
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4 # Copyright (C) 2005-2009 by the FIFE team
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5 # http://www.fifengine.de
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6 # This file is part of FIFE.
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7 #
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8 # FIFE is free software; you can redistribute it and/or
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9 # modify it under the terms of the GNU Lesser General Public
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10 # License as published by the Free Software Foundation; either
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11 # version 2.1 of the License, or (at your option) any later version.
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12 #
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13 # This library is distributed in the hope that it will be useful,
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 # Lesser General Public License for more details.
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17 #
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18 # You should have received a copy of the GNU Lesser General Public
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19 # License along with this library; if not, write to the
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20 # Free Software Foundation, Inc.,
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21 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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22 # ####################################################################
0
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23
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24 """\
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25 Pythonize FIFE
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26
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27 Import this extension to get a more
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28 pythonic interface to FIFE.
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29
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30 Currently it implements the following
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31 conveniences:
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32
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33 * FIFE Exceptions print their message.
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34 * Automatic property generation for:
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35 * fife.Engine
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36 * fife.Instance
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37 * fife.Image
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38 * fife.Animation
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39 * fife.Point
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40 * fife.Rect
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41
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42 """
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43
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44 import fife, re
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45
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46 __all__ = ()
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47
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48 fife.Exception.__str__ = fife.Exception.getMessage
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49 def _Color2Str(c):
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50 return 'Color(%s)' % ','.join(map(str,(c.r,c.g,c.b,c.a)))
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51 fife.Color.__str__ = _Color2Str
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52
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53 classes = [ fife.Engine, fife.Instance, fife.Point, fife.Rect, fife.Image, fife.Animation,
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54 fife.RenderBackend, fife.Event, fife.Command, fife.Container ]
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55
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56 def createProperties():
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57 """ Autocreate properties for getXYZ/setXYZ functions.
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58 """
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59 try:
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60 import inspect
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61 getargspec = inspect.getargspec
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62 except ImportError:
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63 print "Pythonize: inspect not available - properties are generated with dummy argspec."
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64 getargspec = lambda func : ([],'args',None,None)
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65
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66 def isSimpleGetter(func):
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67 if not callable(func):
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68 return False
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69 try:
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70 argspec = getargspec(func)
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71 return not (argspec[0] or [s for s in argspec[2:] if s])
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72 except TypeError, e:
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73 #print func, e
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74 return False
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75
0
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76 def createNames(name):
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77 for prefix in ('get', 'is', 'are'):
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78 if name.startswith(prefix):
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79 new_name = name[len(prefix):]
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80 break
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81 settername = 'set' + new_name
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82 propertyname = new_name[0].lower() + new_name[1:]
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83 return settername, propertyname
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84
0
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85 getter = re.compile(r"^(get|are|is)[A-Z]")
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86 for class_ in classes:
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87 methods = [(name,attr) for name,attr in class_.__dict__.items()
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88 if isSimpleGetter(attr) ]
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89 setmethods = [(name,attr) for name,attr in class_.__dict__.items() if callable(attr)]
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90 getters = []
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91 for name,method in methods:
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92 if getter.match(name):
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93 getters.append((name,method))
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94 settername, propertyname = createNames(name)
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95 setter = dict(setmethods).get(settername,None)
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96 #print name, settername, "--->",propertyname,'(',method,',',setter,')'
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97 setattr(class_,propertyname,property(method,setter))
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98 if not getters: continue
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99
0
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100 # We need to override the swig setattr function
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101 # to get properties to work.
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102 class_._property_names = set([name for name,method in getters])
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103 def _setattr_wrapper_(self,*args):
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104 if name in class_._property_names:
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105 object.__setattr__(self,*args)
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106 else:
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107 class_.__setattr__(self,*args)
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108 class_.__setattr__ = _setattr_wrapper_
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109
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
parents:
diff changeset
110 createProperties()