from abc import ABC, abstractmethod
from PySide6.QtCore import Signal


class BaseCamera(ABC):
    def __init__(self) -> None:
        self.error_msg = None

    @abstractmethod
    def connect(self) -> bool:
        raise NotImplementedError

    @abstractmethod
    def disconnect(self) -> None:
        raise NotImplementedError

    @abstractmethod
    def get_frame(self):
        raise NotImplementedError
    
    def get_error_msg(self):
        return str(self.error_msg)