python写一个随机点名软件

最近有个随机点名软件的需求，故写了一个，上代码：github地址 

# -*- coding: utf-8 -*-
# @Time    : 18-12-31 下午4:21
# @Author  : Felix Wang

from tkinter import *
import tkinter.font as tkFont
import random
import gc
import os, sys
import chardet
import copy
from threading import Thread
import time


def resource_path(relative):
    """
    图片路径
    :param relative:
    :return:
    """
    if hasattr(sys, "_MEIPASS"):
        return os.path.join(sys._MEIPASS, relative)
    return os.path.join(relative)


def center_window(root, width, height):
    """
    中心大小
    :param root: tk对象
    :param 
    :param height:
    :return:
    """
    screenwidth = root.winfo_screenwidth()
    screenheight = root.winfo_screenheight()
    size = '%dx%d+%d+%d' % (width, height, (screenwidth - width) / 2, (screenheight - height) / 2)
    root.geometry(size)


def clear():
    lb.delete(0, END)


def get_names():
    names = []
    name_path = os.path.join(BASE_DIR, 'name.txt')
    with open(name_path, 'rb') as f:
        data = f.read()
        cod = chardet.detect(data)['encoding']
        if 'gb' in str(cod):
            cod = 'gbk'
        for name in data.decode(cod).strip().split('
'):
            if name.strip():
                names.append(name.strip())
        return names


class MyThread(Thread):
    def __init__(self):
        self.ifdo = False
        self.auto_choise = False
        self.is_auto = -1
        super().__init__()

    def run(self):
        while True:
            if self.is_auto is True:
                while self.ifdo:
                    index = random.randint(0, len(names) - 1)
                    echo["text"] = names[index]
                    root.update_idletasks()
                    time.sleep(1 / 23 - 0.003)
                self.is_auto = -1
            elif self.is_auto is False:
                if self.auto_choise:
                    self.auto()
                    self.is_auto = -1
            time.sleep(0.1)

    def stop(self):
        """
        手动抽奖时点击停止按钮时的操作
        :return:
        """
        if self.is_auto:
            self.ifdo = False
            button2["text"] = '手动抽奖'
            pict['image'] = huaji_gif
            _name = random.choice(names)
            echo["text"] = _name
            lb.insert(END, _name)
            root.update_idletasks()
            root.update()
            for x in locals().keys():
                del locals()[x]
            gc.collect()
            pict['image'] = huaji_gif
            scrolly.update()

    def go(self):
        """
        手动开始时的停止标记
        :return:
        """
        if self.is_auto == -1:
            self.is_auto = True
            self.ifdo = True
            pict["image"] = huang_gif
            button2["text"] = '点击停止'

    def auto_start(self):
        """
        自动开始设置更改标记
        :return:
        """
        if self.is_auto == -1:
            self.is_auto = False
            self.auto_choise = True
            pict["image"] = huang_gif
            button["text"] = '先别点我'
            global ft1
            ft1 = tkFont.Font(family='Fixdsys', size=80, weight=tkFont.BOLD)

    def auto(self):
        """
        自动开始时执行的操作
        :return:
        """
        copy_names = copy.deepcopy(names)
        ren = int(v.get())
        for i in range(ren):
            for a in range(23):
                index = random.randint(0, len(names) - 1)
                echo["text"] = random.choice(names)
                root.update_idletasks()
                time.sleep(1 / 23 - 0.003)

            choise_name = copy_names.pop(random.choice(range(len(copy_names))))
            echo["text"] = choise_name

            lb.insert(END, choise_name)
            if i == ren - 1:
                pict['image'] = huaji_gif
                button["text"] = '开始抽奖'
            for a in range(5):
                root.update()
                time.sleep(0.06)

        root.update_idletasks()

        for x in locals().keys():
            del locals()[x]
        gc.collect()

        scrolly.update()
        self.auto_choise = False


flag = False


def name2():
    global flag
    flag = not flag

    if flag:
        tr.go()
    else:
        tr.stop()


def name():
    tr.auto_start()


try:
    BASE_DIR = os.path.dirname(os.path.abspath(__file__))

    names = get_names()

    root = Tk()

    root.title("随机抽奖器(by 王以涛)")

    center_window(root, 570, 160)

    ft = tkFont.Font(family='Fixdsys', size=40, weight=tkFont.BOLD)
    ft1 = tkFont.Font(family='Fixdsys', size=80, weight=tkFont.BOLD)
    echo = Label(root, text='随机抽奖', font=ft, width=8)  # 默认显示
    echo.grid(row=1, column=1, columnspan=2)

    scrolly = Scrollbar(root)
    scrolly.grid(row=1, column=5, rowspan=2, ipady=30)
    lb = Listbox(root, yscrollcommand=scrolly.set, exportselection=False, height=6)
    lb.grid(row=1, column=3, rowspan=2, columnspan=2, pady=0)
    scrolly['command'] = lb.yview

    # button = Button(root, text='删除所选名字', command=lambda x=lb: x.delete(ACTIVE))
    # button.grid(row=3, column=3)
    button = Button(root, text='删除所有名字', command=clear)
    button.grid(row=3, column=4)

    v = StringVar()
    Scale(root, from_=1, to=len(names), resolution=1, orient=HORIZONTAL, variable=v).grid(row=2, column=1, columnspan=2)

    # 抽奖时的图片
    data_dir = os.path.join(BASE_DIR, "img")
    huaji_gif = PhotoImage(file=resource_path(os.path.join(data_dir, 'huaji.gif')))
    huang_gif = PhotoImage(file=resource_path(os.path.join(data_dir, 'huang.gif')))
    pict = Label(root, image=huaji_gif)
    pict.grid(row=1, column=0, rowspan=3)

    button = Button(root, text='自动抽奖', command=name)
    button.grid(row=3, column=1, columnspan=1)
    flag = False

    button2 = Button(root, text='手动抽奖', command=name2)
    button2.grid(row=3, column=2, columnspan=1)

    tr = MyThread()
    tr.setDaemon(True)
    tr.start()

    root.mainloop()
except Exception as e:
    print('错误信息', e)
    time.sleep(60)

效果如下：