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Pull Request — master (#45)
by Wojtek
01:58
created

Optimizer.optimize_process()   B

↳ Parent: Optimizer

Complexity

Conditions 5

Size

Total Lines 21

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 12
CRAP Score 5

Importance

Changes 2
Bugs 0 Features 0
Metric Value
cc 5
c 2
b 0
f 0
dl 0
loc 21
rs 8.439
ccs 12
cts 12
cp 1
crap 5
1 
"""Basic optimizer."""
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from grortir.externals.pyswarm.pso import pso

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from grortir.main.model.core.optimization_status import OptimizationStatus

            


            
                                                                                                            
                            
            
                                    
            
            

                
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from grortir.main.optimizers.base_optimizer import BaseOptimizer

            


            
                                                                                                            
                            
            
                                    
            
            

                
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class Optimizer(BaseOptimizer):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    """Optimizer is object which optimize process."""

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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    def optimize_process(self):

            


            
                                                                        
                            
            
                                    
            
            

                
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        """Optimize process.

            


            
                                                                        
                            
            
                                    
            
            

                
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        Raises:

            


            
                                                                        
                            
            
                                    
            
            

                
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            AttributeError: When project has incorrect structure.

            


            
                                                                        
                            
            
                                    
            
            

                
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        Returns:

            


            
                                                                        
                            
            
                                    
            
            

                
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            bool: True if success, False otherwise."""

            


            
                                                                        
                            
            
                                    
            
            

                
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        for stage in self.ordered_stages:

            


            
                                                                        
                            
            
                                    
            
            

                
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            if not self.process.predecessors(stage):

            


            
                                                                        
                            
            
                                    
            
            

                
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                self.run_pso(stage)

            


            
                                                                        
                            
            
                                    
            
            

                
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            elif len(self.process.predecessors(stage)) == 1:

            


            
                                                                        
                            
            
                                    
            
            

                
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                predecessor = self.process.predecessors(stage)[0]

            


            
                                                                        
                            
            
                                    
            
            

                
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                stage.input_vector = predecessor.get_output_of_stage(

            


            
                                                                        
                            
            
                                    
            
            

                
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                    predecessor.input_vector, predecessor.control_params)

            


            
                                                                        
                            
            
                                    
            
            

                
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                self.run_pso(stage)

            


            
                                                                        
                            
            
                                    
            
            

                
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            else:

            


            
                                                                        
                            
            
                                    
            
            

                
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                raise AttributeError('Incorrect process structure.')

            


            
                                                                        
                            
            
                                    
            
            

                
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            if stage.optimization_status != OptimizationStatus.success:

            


            
                                                                        
                            
            
                                    
            
            

                
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                return False

            


            
                                                                        
                            
            
                                    
            
            

                
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        return True

            


            
                                                                                                            
                            
            
                                    
            
            

                
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    def run_pso(self, stage):

            


            
                                                                                                            
                            
            
                                    
            
            

                
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        """Run pso with predefined parameters."""

            


            
                                                                                                            
                                                                
            
                                    
            
            

                
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        pso(stage, swarmsize=self.swarm_size)

            


            
                                                        
            
                                    
            
            

                
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