Source code for sqltrack.engines.engine

from __future__ import annotations

from abc import ABC
from abc import abstractmethod


class Engine(ABC):
    schema = None

    @abstractmethod
    def data_dir(self) -> str:
        """
        Returns the path to the directory where supporting
        files for this engine are stored.
        """
        pass

    @abstractmethod
    def connect(self) -> DBAPIConnection:
        """
        Returns database connection objects.
        """
        pass

    @abstractmethod
    def map_type(self, client, typ) -> str:
        """
        Given Python type ``typ``, returns SQL type as string.
        """
        pass