问对象在烧瓶应用程序中的python类中不可调用。

EN

from test_displayclass import Bartender

class MyFlask:
    bartender = Bartender()

    def __init__(self):
        #self.bartender = Bartender()
        self.bartender.test()

from flask import Flask
app = Flask(__name__)

my_flask = MyFlask()

@app.route("/Test")
def Test():
    return my_flask.test.APIfunction

if __name__ == "__main__":
    app.run(debug=True,port=9999)

import adafruit_ssd1306
import busio
from board import SCL, SDA
from PIL import Image, ImageDraw, ImageFont

class Display():
    def __init__(self):
        i2c = busio.I2C(SCL, SDA)
        self.oled = adafruit_ssd1306.SSD1306_I2C(128, 64, i2c, addr=0x3C)
        self.oled.fill(0)
        self.oled.show()

    def drawImage(self, image):
        self.oled(image)
        self.oled.show()


class Bartender():
     
    def __init__(self):
        self.oled = Display()


    def test(self):
        image = Image.new("1", (20, 20))
        
        draw = ImageDraw.Draw(image)
        font  = ImageFont.truetype("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf", 25)
        self.len = len("e")
        
        draw.text(
                (0, 40 - 2 // 2),
                "e",
                font=font,
                fill=255,
            )

Traceback (most recent call last):
  File "/home/pi/Smart-Bartender/bartender_flask_new_test.py", line 13, in <module>
    my_flask = MyFlask()
  File "/home/pi/Smart-Bartender/bartender_flask_new_test.py", line 8, in __init__
    self.bartender.test()
  File "/home/pi/Smart-Bartender/test_displayclass.py", line 61, in test
    self.oled.drawImage(image)
  File "/home/pi/Smart-Bartender/test_displayclass.py", line 33, in drawImage
    self.oled(image)
TypeError: 'SSD1306_I2C' object is not callable