/[escript]/trunk/pycad/py_src/design.py
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revision 1051 by gross, Mon Mar 19 07:29:31 2007 UTC revision 1052 by gross, Wed Mar 21 23:45:29 2007 UTC
# Line 38  class TagMap(object): Line 38  class TagMap(object):
38      assert tm.map(x=10., a=20.) == { 5 : 10, 4: 10, 1 : 20 }      assert tm.map(x=10., a=20.) == { 5 : 10, 4: 10, 1 : 20 }
39    
40      """      """
41      def __init__(self, map={}):      def __init__(self, mapping={}):
42        """        """
43        initizlizes the mapping. map defines an initial mapping from tag to a name.        initizlizes the mapping. map defines an initial mapping from tag to a name.
44        """        """
45        for tag, name in map.items():        self.__mapping={}
46          for tag, name in mapping.items():
47            if not isinstance(tag, int):            if not isinstance(tag, int):
48                raise TypeError("tag needs to be int")                raise TypeError("tag needs to be int")
49            if not isinstance(name, str):            if not isinstance(name, str):
50                raise TypeError("name needs to be a str.")                raise TypeError("name needs to be a str.")
51        self.__map=map            self.__mapping[tag]=name
52      def setMap(self,**kwargs):      def setMap(self,**kwargs):
53        """        """
54        set a new map where <name>=<tag> assigns the tag <tag> to name <name>. <tag> has to be integer.        set a new map where <name>=<tag> assigns the tag <tag> to name <name>. <tag> has to be integer.
# Line 57  class TagMap(object): Line 58  class TagMap(object):
58        for  name, tag in kwargs.items():        for  name, tag in kwargs.items():
59            if not isinstance(tag, int):            if not isinstance(tag, int):
60               raise TypeError("tag needs to be int")               raise TypeError("tag needs to be int")
61            self.__map[tag]=name            self.__mapping[tag]=name
62      def getTags(self,name=None):      def getTags(self,name=None):
63          """          """
64          returns a list of the tags assigned to name. If name is not present a list of tags is returned.          returns a list of the tags assigned to name. If name is not present a list of tags is returned.
65          """          """
66          if name == None:          if name == None:
67             out=self.__map.keys()             out=self.__mapping.keys()
68          else:          else:
69             out=[]             out=[]
70             for tag, arg in self.__map.items():             for tag, arg in self.__mapping.items():
71               if arg == name: out.append(tag)               if arg == name: out.append(tag)
72          return out          return out
73      def getName(self,tag=None):      def getName(self,tag=None):
# Line 74  class TagMap(object): Line 75  class TagMap(object):
75          returns the name of a tag. If tag is not present a list of names is returned.          returns the name of a tag. If tag is not present a list of names is returned.
76          """          """
77          if tag == None:          if tag == None:
78             return list(set(self.__map.values()))             return list(set(self.__mapping.values()))
79          else:          else:
80              return self.__map[tag]              return self.__mapping[tag]
81    
82      def getMapping(self):      def getMapping(self):
83          """          """
84          returns a dictionary where the tags define the keys and the values the corresposnding names.          returns a dictionary where the tags define the keys and the values the corresposnding names.
85          """          """
86          return self.__map          return self.__mapping
87    
88      def map(self,default=0,**kwargs):      def map(self,default=0,**kwargs):
89          """          """
# Line 97  class TagMap(object): Line 98  class TagMap(object):
98          the default is used for tags which map onto name with unspecified values          the default is used for tags which map onto name with unspecified values
99          """          """
100          out={}          out={}
101          for tag in self.__map:          for tag in self.__mapping:
102             if kwargs.has_key(self.__map[tag]):             if kwargs.has_key(self.__mapping[tag]):
103                out[tag]=kwargs[self.__map[tag]]                out[tag]=kwargs[self.__mapping[tag]]
104             else:             else:
105                out[tag]=default                out[tag]=default
106          return out          return out
# Line 116  class TagMap(object): Line 117  class TagMap(object):
117          """          """
118          passes the tag map to  L{esys.escript.Domain} domain.          passes the tag map to  L{esys.escript.Domain} domain.
119          """          """
120          for tag, name in self.__map.items():          for tag, name in self.__mapping.items():
121            domain.setTagMap(name,tag)            domain.setTagMap(name,tag)
122                    
123      def toDOM(self,dom):      def toDOM(self,dom):
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