【教程】Tkinter实现Python软件自动更新与提醒

转载请注明出处：小锋学长生活大爆炸[xfxuezhang.cn]

文件下载：https://download.csdn.net/download/sxf1061700625/88134425

示例演示：

参考代码：

import os
import _thread
import shutil
import subprocess
import sys
import requests
from tkinter import Tk, Label, IntVar, DoubleVar, HORIZONTAL, messagebox
from tkinter.ttk import Progressbar
import pyautoguiclass SoftUpdateDialog:def __init__(self, soft_version):self.soft_update_url = 'http://xfxuezhang.cn/web/share/version/update_demo'self.soft_version = soft_versiondef init_ui(self, root):self.root = rootself.root.title('软件更新')self.root.geometry('300x100')self.progress_var = IntVar()self.label_var = DoubleVar()self.label_var.set(0.0)label = Label(self.root, text='正在更新软件，请等待···')label.pack(pady=5)self.progress_bar = Progressbar(self.root, length=200, mode='indeterminate')self.progress_bar.pack(pady=5)def tip_show(self, msg):"""消息提示"""messagebox.showwarning('提示', msg)def soft_download_with_thread(self):'''开线程下载'''# 下载txt文件url = self.soft_update_urltry:req = requests.get(url, stream=True, verify=False)except Exception:self.tip_show('请检查网络设置，无法检测到网络连接')returnif req is None or str(req.status_code) != '200':self.tip_show('软件更新失败，请检查网络设置，无法检测到网络连接')returnjson_result = req.json()# 版本比对latest_version = json_result['soft_version']latest_soft_url = json_result['soft_url']if self.compare_version(latest_version):# 下载进度工具条self.progress_var.set(0)self.progress_bar.start(60)# self._soft_download(latest_soft_url, latest_version)# 软件下载线程_thread.start_new_thread(self._soft_download, (latest_soft_url, latest_version))def check_version(self):url = self.soft_update_urltry:req = requests.get(url, stream=True, verify=False)except Exception:self.tip_show('请检查网络设置，无法检测到网络连接')returnif req is None or str(req.status_code) != '200':self.tip_show('软件更新失败，请检查网络设置，无法检测到网络连接')returnjson_result = req.json()# 版本比对latest_version = json_result['soft_version']return self.compare_version(latest_version)def _update_progressbar(self):'''更新进度条'''self.progress_bar['value'] = self.label_var.get()def _end_update(self):'''结束更新'''self.progress_bar.stop()self.root.destroy()def get_remote_file_size(self, url, proxy=None):"""通过content-length头获取远程文件大小"""try:req = requests.head(url, proxies={'http': proxy, 'https': proxy} if proxy else None, verify=False)fileSize = int(req.headers.get('Content-Length', 0))return fileSizeexcept Exception:return 0def _soft_download(self, latest_url, latest_version):'''软件下载'''self.label_var.set(0.0)lastest_name = os.path.basename(latest_url)lastest_size = self.get_remote_file_size(latest_url)start_size = 0with requests.get(latest_url, stream=True, verify=False) as r:with open(lastest_name, "wb") as f:for chunk in r.iter_content(chunk_size=1024):if not chunk:continuestart_size += len(chunk)f.write(chunk)f.flush()self.label_var.set(100.0 * start_size / lastest_size)print('>> ok')self._end_update()def compare_version(self, latest_version):return int(self.soft_version.replace('.', '')) < int(latest_version.replace('.', ''))if __name__ == '__main__':app = Tk()app.geometry('0x0')soft_dialog = SoftUpdateDialog(soft_version='0.0.5')if soft_dialog.check_version() and pyautogui.confirm(text='有新版本，是否更新', title='通知', buttons=['OK', 'Cancel'])=='OK':soft_dialog.init_ui(root=app)soft_dialog.soft_download_with_thread()app.mainloop()pyautogui.alert(text='下载完成！', title='通知', button='好的👌🏻')

远程服务器的文件格式：

{"soft_version": "1.0.0","soft_url": "http://xfxuezhang.cn/web/share/version/update_demo.exe"
}