vent_DXF_2/drawer/BaseDrawer.py

from abc import ABC, abstractmethod


class BaseDrawer(ABC):
    def __init__(self, obj, msp, style):
        self.obj = obj
        self.msp = msp
        self.style = style

    @abstractmethod
    def initialize_data(self):
        pass

    @abstractmethod
    def draw_agg(self):
        pass

    @abstractmethod
    def draw_div(self):
        pass

    def draw(self):
        self.initialize_data()
        self.draw_agg()
        self.draw_div()


class VentGraphDrawer(BaseDrawer, ABC):

    def __init__(self, obj, msp, style):
        super().__init__(obj, msp, style)

    @abstractmethod
    def initialize_data(self):
        pass

    def draw_agg(self):
        self.draw_obj(self.obj.center.agg_point, self.obj.middle_line.agg_route)

    def draw_div(self):
        self.draw_obj(self.obj.center.div_point, self.obj.middle_line.div_route)

    @abstractmethod
    def draw_obj(self, center, route):
        pass