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Push — master ( af9889...f446f0 )
by Max
01:14
created

structured_data._cant_modify.cant_modify()   A

↳ Parent: structured_data._cant_modify

Complexity

Conditions 2

Size

Total Lines 9
Code Lines 7

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 7
dl 0
loc 9
rs 10
c 0
b 0
f 0
cc 2
nop 2
1 
import inspect
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MISSING = object()

            


            
                                                                                                            
                            
            
                                    
            
            

                
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def cant_modify(self, name):

            


            
                                                        
            
                                    
            
            

                
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    """Prevent attempts to modify an attr of the given name."""

            


            
                                                        
            
                                    
            
            

                
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    class_repr = repr(self.__class__.__name__)

            


            
                                                        
            
                                    
            
            

                
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    name_repr = repr(name)

            


            
                                                        
            
                                    
            
            

                
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    if inspect.getattr_static(self, name, MISSING) is MISSING:

            


            
                                                        
            
                                    
            
            

                
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        format_msg = "{class_repr} object has no attribute {name_repr}"

            


            
                                                        
            
                                    
            
            

                
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    else:

            


            
                                                        
            
                                    
            
            

                
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        format_msg = "{class_repr} object attribute {name_repr} is read-only"

            


            
                                                        
            
                                    
            
            

                
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    raise AttributeError(format_msg.format(class_repr=class_repr, name_repr=name_repr))

            


            
                                                        
            
                                    
            
            

                
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