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by Konstantinos
01:24
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green_magic.data.backend.init_backend()   A

↳ Parent: green_magic.data.backend

Complexity

Conditions 1

Size

Total Lines 15
Code Lines 8

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
eloc 8
dl 0
loc 15
rs 10
c 0
b 0
f 0
cc 1
nop 1
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from .backend import Backend
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from .engine import DataEngine
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from .engine_specs import EngineSpecifications
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ENGINES = {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    'pd': {

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        'abbr': 'pd',

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        'name': 'pandas',

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    },

            


            
                                                                                                            
                            
            
                                    
            
            

                
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}

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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def init_backend(engine_type='pd'):

            


            
                                                        
            
                                    
            
            

                
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    from green_magic.data.backend.panda_handling.df_backend import PDTabularRetriever, PDTabularIterator, PDTabularMutator

            


            
                                                        
            
                                    
            
            

                
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    # create/register new empty/canvas engine

            


            
                                                        
            
                                    
            
            

                
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    pd_engine = DataEngine.new(ENGINES[engine_type]['abbr'])

            


            
                                                        
            
                                    
            
            

                
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    # create supporting object that can initialize an engine

            


            
                                                        
            
                                    
            
            

                
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    pandas_engine_specs = EngineSpecifications(ENGINES[engine_type]['abbr'], ENGINES[engine_type]['name'])

            


            
                                                        
            
                                    
            
            

                
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    # initialize engine

            


            
                                                        
            
                                    
            
            

                
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    pandas_engine_specs(pd_engine)

            


            
                                                        
            
                                    
            
            

                
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    magic_backend = Backend(pd_engine)

            


            
                                                        
            
                                    
            
            

                
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    pd_engine.backend = magic_backend

            


            
                                                        
            
                                    
            
            

                
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    return magic_backend

            


            
                                                        
            
                                    
            
            

                
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