annotate pyink/trait.py @ 1346:4fdc998d3dc3

Fix issue of setting proxy for require for composition class
author Thinker K.F. Li <thinker@codemud.net>
date Sat, 12 Feb 2011 17:55:12 +0800
parents e0400a2b7c35
children aaa88d805aac
rev   line source
1345
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1 ## \brief Implement descriptors for mapping attributes for traits.
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2 #
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3 # The instances of require map attributes of traits to corresponding
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4 # attributes of the instance of the composition class.
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5 #
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6 class require(object):
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7 def __get__(self, instance, owner):
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8 if not instance: # from a class object
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9 return self
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10
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11 attrname = instance._trait_attrname_map[self]
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12 composite_obj = instance._trait_composite_obj
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13 val = getattr(composite_obj, attrname)
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14 return val
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15
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16 def __set__(self, instance, value):
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17 attrname = instance._trait_attrname_map[self]
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18 composite_obj = instance._trait_composite_obj
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19 setattr(composite_obj, attrname, value)
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20 pass
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21 pass
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22
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23
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24 ## \brief Decorator for making a class being a trait.
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25 #
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26 def trait(trait_clazz):
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27 attrname_map = {}
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28 trait_clazz._trait_attrname_map = attrname_map
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29
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30 for attr in dir(trait_clazz):
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31 value = getattr(trait_clazz, attr)
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32 if value != require:
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33 continue
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34
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35 require_o = require()
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36 setattr(trait_clazz, attr, require_o)
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37 attrname_map[require_o] = attr
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38 pass
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39
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40 trait_clazz._is_trait = True
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41
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42 return trait_clazz
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43
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44
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45 ## \brief The function to return a proxy for a method of a trait.
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46 #
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47 def trait_method_proxy(trait_clazz, method):
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48 def trait_method_proxy_real(self, *args, **kws):
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49 if not hasattr(self, '_all_trait_objs'):
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50 # self is an instance of the class composed from traits.
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51 self._all_trait_objs = {}
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52 pass
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53
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54 try:
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55 trait_obj = self._all_trait_objs[trait_clazz]
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56 except KeyError:
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57 trait_obj = trait_clazz()
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58 trait_obj._trait_composite_obj = self
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59 self._all_trait_objs[trait_clazz] = trait_obj
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60 pass
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61
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62 r = method(trait_obj, *args, **kws)
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63
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64 return r
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65
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66 return trait_method_proxy_real
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67
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68
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69 ## \brief Derive and modify an existing trait.
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70 #
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71 def derive_trait(a_trait, composite_clazz):
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72 attrname_map = None
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73 if hasattr(composite_clazz, 'provide_traits'):
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74 provide_traits = composite_clazz.provide_traits
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75 if a_trait in provide_traits:
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76 provide_trait = provide_traits[a_trait]
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77 attrname_map = dict(a_trait._trait_attrname_map)
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78 attrname_map.update(provide_trait)
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79 pass
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80 pass
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81
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82 dic = {}
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83 if attrname_map:
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84 dic['_trait_attrname_map'] = attrname_map
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85 pass
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86
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87 derived = type('derived_trait', (a_trait,), dic)
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88
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89 return derived
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90
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91 ## \brief A decorator to make class composited from traits.
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92 #
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93 # The class decorated by composite must own a use_traits attribute.
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94 #
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95 # \verbatim
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96 # @trait
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97 # class trait_a(object):
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98 # var_a = require
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99 # def xxx(self): return self.var_a
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100 #
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101 # @trait
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102 # class trait_b(object):
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103 # def ooo(self): pass
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104 #
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105 # @composite
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106 # class foo(object):
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107 # use_traits = (trait_a, trait_b)
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108 #
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109 # var_a = 'value of var_a'
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110 # pass
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111 #
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112 # obj = foo()
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113 # \endverbatim
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114 #
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115 # To make a class from a set of traits. You must decorate the class
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116 # with the decorator 'composite'. The class must has an attribute,
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117 # named use_traits, to provide a list or tuple of traits.
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118 #
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119 # Class that defines a trait must decorated with the decorator
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120 # 'trait'. If the trait need to access state (varaibles) of the
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121 # intances of composition class, it must define attributes with value
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122 # 'require', likes what 'var_a' of trait_a does. Then, the attributes
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123 # would be mapped to corresponding attributes of instances of
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124 # composition class. For example, when you call obj.xxx(), it returns
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125 # value of 'var_a', and attribute 'var_a' is a property that returns
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126 # the value of 'var_a' of 'obj', an instance of class foo.
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127 #
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128 # By default, traits map attribute 'var_a' to 'var_a' of instances of
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129 # composition classes. But, you can change it by specifying the map
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130 # in an attribute, named 'provide_traits', defined in composition
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131 # class. The attribute provide_traits is a dictionary mapping from
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132 # trait class to a dictionary, named 'attrname_map' for the trait.
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133 # The attrname_map maps require attributes of the trait to names of
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134 # attributes of instances of the composition class.
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135 #
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
136 def composite(clazz):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
137 if not hasattr(clazz, 'use_traits'):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
138 raise KeyError, \
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
139 '%s has no use_trait: it must be a list of traits' % (repr(clazz))
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
140 traits = clazz.use_traits
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
141
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
142 for a_trait in traits:
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
143 if not hasattr(a_trait, '_is_trait'):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
144 raise TypeError, '%s is not a trait' % (repr(a_trait))
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
145 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
146
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
147 #
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
148 # Check content of clazz.provide_traits
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
149 #
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
150 if hasattr(clazz, 'provide_traits'):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
151 if not isinstance(clazz.provide_traits, dict):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
152 raise TypeError, \
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
153 'provide_traits of a composite must be a dictionary'
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
154
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
155 provide_set = set(clazz.provide_traits.keys())
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
156 trait_set = set(traits)
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
157 unused_set = provide_set - trait_set
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
158 if unused_set:
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
159 raise ValueError, \
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
160 'can not find %s in provide_traits' % (repr(unused_set.pop()))
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
161
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
162 for trait, attrname_map in clazz.provide_traits.items():
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
163 for req in attrname_map:
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
164 if not isinstance(req, require):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
165 raise TypeError, \
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
166 '%s is not a require: key of an ' \
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
167 'attribute name map must be a require' % (repr(req))
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
168 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
169 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
170 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
171
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
172 #
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
173 # Count number of appearing in all traits for every attribute name.
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
174 #
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
175 attrname_cnts = {}
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
176 for a_trait in traits:
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
177 for attr in dir(a_trait):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
178 if attr.startswith('_'):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
179 continue
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
180
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
181 value = getattr(a_trait, attr)
1346
4fdc998d3dc3 Fix issue of setting proxy for require for composition class
Thinker K.F. Li <thinker@codemud.net>
parents: 1345
diff changeset
182 if isinstance(value, require):
1345
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
183 continue
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
184
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
185 attrname_cnts[attr] = attrname_cnts.setdefault(attr, 0) + 1
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
186 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
187 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
188
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
189 if hasattr(clazz, 'method_map_traits'):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
190 method_map_traits = clazz.method_map_traits
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
191 else:
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
192 method_map_traits = {}
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
193 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
194
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
195 #
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
196 # Set a proxy for every exported methods.
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
197 #
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
198 derived_traits = clazz._derived_traits = {}
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
199 for a_trait in traits:
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
200 derived = derive_trait(a_trait, clazz)
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
201 derived_traits[a_trait] = derived
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
202
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
203 if a_trait in method_map_traits:
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
204 method_map_trait = method_map_traits[a_trait]
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
205 else:
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
206 method_map_trait = {}
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
207
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
208 for attr in dir(derived):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
209 if attr not in attrname_cnts: # hidden
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
210 continue
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
211 if attrname_cnts[attr] > 1: # conflict
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
212 continue
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
213
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
214 if hasattr(clazz, attr): # override
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
215 continue
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
216
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
217 value = getattr(a_trait, attr)
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
218 if value in method_map_trait: # do it later
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
219 continue
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
220
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
221 value = getattr(derived, attr)
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
222
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
223 if not callable(value):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
224 raise TypeError, \
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
225 '%s.%s is not a callable' % (repr(a_trait), attr)
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
226
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
227 func = value.im_func
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
228 proxy = trait_method_proxy(derived, func)
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
229 setattr(clazz, attr, proxy)
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
230 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
231 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
232
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
233 #
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
234 # Map methods specified in method_map_traits.
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
235 #
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
236 for a_trait, method_map_trait in method_map_traits.items():
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
237 if a_trait not in derived_traits:
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
238 raise TypeError, \
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
239 '%s is not a trait used by the composition class' % \
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
240 (repr(a_trait))
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
241
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
242 derived = derived_traits[a_trait]
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
243 for method, attrname in method_map_trait.items():
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
244 if not callable(method):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
245 raise TypeError, \
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
246 '%s.%s is not a callable' % (repr(a_trait), repr(method))
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
247 func = method.im_func
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
248 proxy = trait_method_proxy(derived, func)
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
249 setattr(clazz, attrname, proxy)
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
250 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
251 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
252
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
253 return clazz
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
254
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
255
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
256 if __name__ == '__main__':
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
257 @trait
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
258 class hello(object):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
259 msg = require
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
260
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
261 def hello(self, name):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
262 return self.msg + ' hello ' + name
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
263 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
264
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
265 @trait
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
266 class bye(object):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
267 msg = require
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
268
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
269 def bye(self, name):
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
270 return self.msg + ' bye ' + name
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
271 pass
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
272
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
273 @composite
e0400a2b7c35 Use trait instead of mixin for component_manager
Thinker K.F. Li <thinker@codemud.net>
parents:
diff changeset
274 class hello_bye(object):
e0400a2b7c35 Use trait instead of mixin for component_manager
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275 use_traits = (hello, bye)
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276
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277 provide_hello = {hello.msg: 'msg1'}
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278 provide_traits = {hello: provide_hello}
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279
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280 method_map_hello = {hello.hello: 'hello1'}
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281 method_map_traits = {hello: method_map_hello}
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282
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283 msg = 'hello_bye'
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284 msg1 = 'hello_bye_msg1'
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285 pass
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286
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287 o = hello_bye()
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Thinker K.F. Li <thinker@codemud.net>
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288 assert o.hello1('Miky') == 'hello_bye_msg1 hello Miky'
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Thinker K.F. Li <thinker@codemud.net>
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289 assert o.bye('Miky') == 'hello_bye bye Miky'
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Thinker K.F. Li <thinker@codemud.net>
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290 print 'OK'
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291 pass