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from abc import ABC, abstractmethod
from typing import Any

from datafusion.common import SqlTable


class BaseInputSource(ABC):
    """
    If a consuming library would like to provider their own InputSource
    this is the class they should extend to write their own. Once
    completed the Plugin InputSource can be registered with the
    SessionContext to ensure that it will be used in order
    to obtain the SqlTable information from the custom datasource.
    """

    @abstractmethod
    def is_correct_input(self, input_item: Any, table_name: str, **kwargs) -> bool:
        pass

    @abstractmethod
    def build_table(self, input_item: Any, table_name: str, **kwarg) -> SqlTable:
        pass