CocoPi/backup/preset/app/checkout.py

import git
import os
from maix import camera, display, image  # 引入python模块包
from io import RawIOBase

localrep = "/home"


class NewStream(RawIOBase):
    """Fallback if stdout or stderr are unavailable, does nothing."""

    def read(self, size=-1):
        return None

    def readall(self):
        return None

    def readinto(self, b):
        return None

    def write(self, b):
        hello_img = image.new(size=(320, 240), color=(0, 0, 0),
                              mode="RGB")  # 创建一张黑色背景图
        hello_img.draw_string(10, 115, str(b), scale=1.0, color=(255, 255, 255),
                              thickness=1)  # 在黑色背景图上写下hello world
        display.show(hello_img)  # 把这张图显示出来
        return None


git.rw()
steam = NewStream()
if os.path.exists(localrep + "/cclb_launch"):
    os.remove(localrep + "/cclb_launch")
if git.activeBranch(localrep) != b'master':
    git.checkout(localrep, 'master', steam)
else:
    git.checkout(localrep, 'en', steam)
if os.path.exists("/root/CocoPi.py"):
    os.remove("/root/CocoPi.py")
os.system('chmod -R 777 /home')
os.system('reboot')
git.ro()