Engine.py

from abc import ABC, abstractmethod


class Engine(ABC):
    @abstractmethod
    def extract_fingerprints(self, audiotrack):
        """Extracts a feature from an audiotrack saved in file_path and returns an array of samples

        Parameters
        ----------
        audiotrack : Audiotrack
        """
        pass

    @abstractmethod
    def compare(self, lhs, rhs):
        """Compares two fingerprints

        Parameters
        ----------
        lhs : Fingerprint
        rhs : Fingerprint
        """
        pass

    @abstractmethod
    def find_matches(self, audiotrack, top_k):
        """Finds the top_k most similar audiotracks for the reference audiotrack

        Parameters
        ----------
        audiotrack : Audiotrack
        top_K : integer
        """
        pass