from abc import ABC, abstractmethod import numpy as np from miplearn.h5 import H5File class FeaturesExtractor(ABC): @abstractmethod def get_instance_features(self, h5: H5File) -> np.ndarray: pass @abstractmethod def get_var_features(self, h5: H5File) -> np.ndarray: pass @abstractmethod def get_constr_features(self, h5: H5File) -> np.ndarray: pass