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                """Base class for optimizer."""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                from skbase.base import BaseObject  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                class BaseOptimizer(BaseObject):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    """Base class for optimizer."""  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    _tags = { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        "object_type": "optimizer",  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def __init__(self):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        super().__init__()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        assert hasattr(self, "experiment"), "Optimizer must have an experiment."  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        search_config = self.get_params()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        self._experiment = search_config.pop("experiment", None) | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                    def add_search(self, experiment, **search_config):  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        """Add a new optimization search process with specified parameters.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        Parameters  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        ----------  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        experiment : BaseExperiment  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            The experiment to optimize parameters for.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        search_config : dict with str keys  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            Key/value pairs may be any subset of the parameters of the class.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        """  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        self._experiment = experiment  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        if not hasattr(self, "_search_config_update"):  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            self._search_config_update = search_config  | 
            
            
                                                                        
                            
            
                                    
            
            
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                        else:  | 
            
            
                                                                        
                            
            
                                    
            
            
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                            self._search_config_update.update(search_config)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def get_search_config(self):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """Get the search configuration.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        Returns  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        -------  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        dict with str keys  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            The search configuration dictionary.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        search_config = self.get_params(deep=False)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        search_config.pop("experiment", None) | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        if hasattr(self, "_search_config_update"):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            search_config.update(self._search_config_update)  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return search_config  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def get_experiment(self):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """Get the experiment.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        Returns  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        -------  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        BaseExperiment  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            The experiment to optimize parameters for.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return self._experiment  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                    def run(self):  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """Run the optimization search process.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        Returns  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        -------  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        best_params : dict  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                            The best parameters found during the optimization process.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        """  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        experiment = self.get_experiment()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        search_config = self.get_search_config()  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                        return self._run(experiment, **search_config)  | 
            
            
                                                        
            
                                    
            
            
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