python也能开发minecraft启动器

最近我在csdn上看见了 __小小的程序员__ 博主的文章，发现python可以开发minecraft启动器？

好牛皮！我试了一下！果真可以，所有版本（包括最新1.19和最新快照）都可以。别忘了pip install pyqt5和minecraft-launcher-lib哦

效果：

下载地址：

github链接

gitee链接

希望此文对你有帮助。

这一个程序可以自己下载minecraft java edition（包括beta版本，远古版！），如果可以自己改动代码的话首先要下载qt designer，这是python里pyqt里面的一个图形化界面设计应用。

关键的是，下载这些东西都可以不用钱了！动了小心思。

提醒：大家不要沉迷哦

程序的一部分：

1.主程序 launcher.py

import subprocess
import sys
from threading import Thread
from time import sleep
import time
import traceback
# PyQt5中使用的基本控件都在PyQt5.QtWidgets模块中
from PyQt5.QtWidgets import *
from PyQt5.QtCore import *
from PyQt5.QtGui import QCursor
from PyQt5.QtWidgets import *
from PyQt5 import QtCore
from json import dumps, load, dump, loads
# 导入designer工具生成的login模块
from ui import Ui_MainWindow
import minecraft_launcher_lib
import ctypes
import inspect
from rich.console import Console
from qt_material import apply_stylesheet, list_themes
console = Console()FLAG = True
LOCK = False
ILOCK = False
verlistpub = []try:# def setTip(obj):# myWin.status.setText(obj)def startfile(filename):try:os.startfile(filename)except:subprocess.Popen(['open', filename])def _async_raise(tid, exctype):"""raises the exception, performs cleanup if needed"""try:tid = ctypes.c_long(tid)if not inspect.isclass(exctype):exctype = type(exctype)res = ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, ctypes.py_object(exctype))if res == 0:# passraise ValueError("invalid thread id")elif res != 1:# """if it returns a number greater than one, you're in trouble,# and you should call it again with exc=NULL to revert the effect"""ctypes.pythonapi.PyThreadState_SetAsyncExc(tid, None)raise SystemError("PyThreadState_SetAsyncExc failed")except Exception as err:print(err)def info(*obj):localtime = time.localtime(time.time())stackinfo = traceback.extract_stack()who = stackinfo[1][2]line = stackinfo[1][1]# console.print("[black on green] I ", *obj)print(f"[{localtime[3]:0>2}:{localtime[4]:0>2}:{localtime[5]:0>2}] [{who:>20} |{line:>5} ] [INFO]", *obj)def warn(*obj):# console.log("[black on yellow] W ", *obj)localtime = time.localtime(time.time())stackinfo = traceback.extract_stack()who = stackinfo[1][2]line = stackinfo[1][1]# console.print("[black on green] I ", *obj)print(f"[{localtime[3]:0>2}:{localtime[4]:0>2}:{localtime[5]:0>2}] [{who:>20} |{line:>5} ] [WARN]", *obj)def error(*obj):# console.log("[black on red] E ", *obj)localtime = time.localtime(time.time())stackinfo = traceback.extract_stack()who = stackinfo[1][2]line = stackinfo[1][1]# console.print("[black on green] I ", *obj)print(f"[{localtime[3]:0>2}:{localtime[4]:0>2}:{localtime[5]:0>2}] [{who:>20} |{line:>5} ] [ERROR]", *obj)def readData():try:with open(".hj.json") as j:data = load(j)# data["mclist"] = minecraft_launcher_lib.utils.get_installed_versions(# data["mcdirs"])info("Read File Succ")except:warn("File Not Found ignore it")temp = {}temp["mcdirs"] = minecraft_launcher_lib.utils.get_minecraft_directory()temp["user"] = "Launcher"temp["theme"] = list_themes()[0]# temp["mclist"] = minecraft_launcher_lib.utils.get_installed_versions(# temp["mcdirs"])with open(".hj.json", 'w') as j:dump(temp, j)data = tempreturn datadef reloadver():alllist = minecraft_launcher_lib.utils.get_version_list()ver = []for i in alllist:if(i["type"] == "snapshot"):ver.append(i["id"])elif(i["type"] == "release"):ver.append(i["id"])else:ver.append(i["id"])return verinfo("Launcher is Launching")def stop_thread(thread):"""终止线程"""_async_raise(thread.ident, SystemExit)class IoThread(Thread):def __init__(self):Thread.__init__(self)self.data = ""self.counter = 0def run(self):info("Start IoThread")while(FLAG):if(self.counter == 1):# print("Counter!")self.data = readData()# self.reloadver()MyMainForm.apiSetConf(self, self.data)if(self.counter >= 6000):self.counter = 0# print("s")self.counter += 1sleep(0.1)# print(self.counter)class MyMainForm(QMainWindow, Ui_MainWindow):def __init__(self, Parent=None):global myWinglobal verlistpubglobal appsuper(MyMainForm, self).__init__(Parent)self.setupUi(self)self.mclist = []# self.setWindowFlags(Qt.FramelessWindowHint)  # Hide Boardself.tabWidget.currentChanged.connect(self.tabchange)self.launchGameBtn.clicked.connect(self.launchGameFunc)self.conf = readData()if(not os.path.exists(self.conf["mcdirs"])):error("Folder Is NOT FOUND")warn("Not Found Ignore it")self.conf["mcdirs"] = minecraft_launcher_lib.utils.get_minecraft_directory()with open('./.hj.json', 'w') as f:dump(self.conf, f)self.conf = readData()self.userName.setText(self.conf["user"])self.userName.editingFinished.connect(self.setUserText)self.label_4.setWordWrap(True)self.stauts.setWordWrap(True)self.stauts.setAlignment(QtCore.Qt.AlignTop)self.mcDirText.setText(self.conf["mcdirs"])self.setMcDirButton.clicked.connect(self.setMcDir)self.label_4.setAlignment(QtCore.Qt.AlignTop)# self.closeButton.clicked.connect(self.closeFunc)try:self.choiceVer = self.mclist[0]["id"]except:passself.ttemp = reloadver()for i in self.ttemp:self.selectInstallVersionBox.addItem(i)self.installGameButton.clicked.connect(self.installGameFunc)self.selectVersionBox.activated[str].connect(self.setMcVersion)self.styleBox.activated[str].connect(self.changeThemes)self.selectInstallVersionBox.activated[str].connect(self.setinstallMcVersion)self.version = "1.1.1"self.choiceTheme = self.conf["theme"]for i in list_themes():self.styleBox.addItem(i)self.threadpool = []try:self.mclist = minecraft_launcher_lib.utils.get_installed_versions(self.conf["mcdirs"])except:passself.lock = Falseself.desc = ""self.progress = 0# self.ttemp = reloadver()self.current_max = 0for i in self.mclist:self.selectVersionBox.addItem(i["id"])# self.setsText("asdfasdflkahsdfkjahsdf")self.threadpool.append(IoThread())for index in range(len(self.threadpool)):self.threadpool[index].start()self.installchoiceVer = self.ttemp[0]# .stauts.setText("sadfasdf")# def mousePressEvent(self, event):#     if event.button() == Qt.LeftButton:#         self.m_flag = True#         self.m_Position = event.globalPos()-self.pos()  # 获取鼠标相对窗口的位置#         event.accept()#         self.setCursor(QCursor(Qt.OpenHandCursor))  # 更改鼠标图标# def mouseMoveEvent(self, QMouseEvent):#     if Qt.LeftButton and self.m_flag:#         self.move(QMouseEvent.globalPos()-self.m_Position)  # 更改窗口位置#         QMouseEvent.accept()# def mouseReleaseEvent(self, QMouseEvent):#     self.m_flag = False#     self.setCursor(QCursor(Qt.ArrowCursor))try:apply_stylesheet(app, theme=self.conf["theme"])info("Succ Load Theme!")except:error(f"The Launcher is Not Supported This Theme:{self.conf['theme']}")self.conf["theme"] = list_themes()[0]info(f"Change Theme:{self.conf['theme']}")apply_stylesheet(app, theme=self.conf["theme"])with open("./.hj.json", 'w') as f:dump(self.conf, f)def setMcDir(self):result = QFileDialog.getExistingDirectory(None, "选取我的世界目录", self.conf["mcdirs"])info("Dir:", result)if(result is None or result == ""):warn("The Folder is Not Found")else:self.conf["mcdirs"] = resultwith open("./.hj.json", 'w') as f:dump(self.conf, f)self.conf = readData()self.mcDirText.setText(self.conf["mcdirs"])def tabchange(self):index = self.tabWidget.currentIndex()info(f"Tab is Changed! Tabindex:{index}")# if self.tabWidget.currentIndex()==0if index == 1:pass# self.ttemp = reloadver()# for i in self.ttemp:#     self.selectInstallVersionBox.addItem(i)elif index == 0:try:self.mclist = minecraft_launcher_lib.utils.get_installed_versions(self.conf["mcdirs"])except:self.mclist = []try:self.choiceVer = self.mclist[0]["id"]except:passself.selectVersionBox.clear()for i in self.mclist:self.selectVersionBox.addItem(i["id"])def installGameFunc(self):global ILOCKif(not ILOCK):ILOCK = Trueself.setTipText("准备安装版本:{}".format(self.installchoiceVer))info("Start install Version:{}".format(self.installchoiceVer))installmc = InstallMc(self.installchoiceVer, self.conf["mcdirs"])installmc.start()self.setTipText("安装中...")else:self.setTipText("安装正在运行，请等待安装结束")warn("It's installing!")def changeThemes(self, text):global appself.conf["theme"] = textinfo(f"Change Theme:{text}")apply_stylesheet(app, theme=self.conf["theme"])with open("./.hj.json", 'w') as f:dump(self.conf, f)def setTipText(self, text):self.stauts.setText(text)def setUserText(self):self.conf["user"] = "".join(self.userName.text().split(" "))with open(".hj.json", 'w') as j:dump(self.conf, j)def setinstallMcVersion(self, text):self.installchoiceVer = text# print(text)def setMcVersion(self, text):self.choiceVer = text# print(text)def launchGameFunc(self):global LOCKif(not LOCK):LOCK = Trueinfo("Run Mc")self.setTipText("游戏启动中...")mc = RunMc(self.choiceVer, self.conf["mcdirs"], self.userName.text(), "8888-8888-8888")mc.start()self.setTipText("游戏已启动等待游戏窗口出现...")info(self.userName.text())else:self.setTipText("游戏正在运行，请等待游戏结束")warn("The Game is running but User want to Creat NEW game thread!")warn("New Thread is kill by USER")def closeEvent(self, event):global FLAGFLAG = Falsefor index in range(len(self.threadpool)):stop_thread(self.threadpool[index])def apiSetConf(self, conf: dict):self.config = confclass InstallMc(Thread):def __init__(self, version, mcdir):Thread.__init__(self)self.version = versionself.mcdir = mcdirself.desc = ""self.current_max = 0self.progress = 0def set_max(self, new_max: int):self.current_max = new_maxinfo(f"{self.desc} Finish")info("Start New Task!")def set_status(self, status: str):self.desc = statusinfo(f"Change Task To:{status}")def set_progress(self, progress: int):global myWinif self.current_max != 0:self.progress = progressmyWin.stauts.setText(f"下载中: 已下载:{progress} 未下载:{self.current_max-progress}")info(f"{self.desc}: Progress:{progress} Total:{self.current_max}")# MyMainForm.setTipText(MyMainForm, "s")def run(self):global ILOCK, myWincallback = {"setStatus": self.set_status,"setProgress": self.set_progress,"setMax": self.set_max}try:minecraft_launcher_lib.install.install_minecraft_version(self.version, self.mcdir, callback)info(f"Succ Install Version:{self.version}")ILOCK = FalsemyWin.stauts.setText(f"成功安装版本:{self.version}")except:myWin.stauts.setText("安装异常,未知版本!")class RunMc(Thread):def __init__(self, version, mcdir, username, uuuid):Thread.__init__(self)self.version = versionself.mcdir = mcdirself.username = usernameself.uuid = uuuidself.desc = ""self.current_max = 0self.progress = 0def set_max(self, new_max: int):self.current_max = new_maxinfo("Download Finish")info("Start New Task!")def set_status(self, status: str):self.desc = statusinfo(f"Change Task To:{status}")def set_progress(self, progress: int):if self.current_max != 0:self.progress = progressmyWin.stauts.setText(f"启动中: 已准备:{progress} 未准备:{self.current_max-progress}")info(f"{self.desc}: Progress:{progress} Total:{self.current_max}")def run(self):global LOCKcallback = {"setStatus": self.set_status,"setProgress": self.set_progress,"setMax": self.set_max}try:minecraft_launcher_lib.install.install_minecraft_version(self.version, self.mcdir, callback)options = {"username": self.username,"uuid": self.uuid,"token": self.uuid,"-Dminecraft.launcher.brand": "Huaji Launcher","-Dminecraft.launcher.version": "1.1.1"# "launcherName": "PMCL",  # The name of your launcher# "launcherVersion": "1.1",  # The version of your launcher}minecraft_command = minecraft_launcher_lib.command.get_minecraft_command(self.version, self.mcdir, options)myWin.stauts.setText("成功生成启动命令")# 最终，你可以直接启动Minecraft了subprocess.call(minecraft_command)info("Run Minecraft Command with:{}".format(minecraft_command))info("Mc is Run!")info("----------Log With Mc-----------")myWin.stauts.setText("等待游戏窗口出现...")subprocess.call(minecraft_command)LOCK = FalsemyWin.stauts.setText("游戏已退出")except:myWin.stauts.setText("安装异常,未知版本!")if __name__ == "__main__":# 固定的，PyQt5程序都需要QApplication对象。sys.argv是命令行参数列表，确保程序可以双击运行app = QApplication(sys.argv)# 初始化myWin = MyMainForm()# 将窗口控件显示在屏幕上myWin.show()# 程序运行，sys.exit方法确保程序完整退出。sys.exit(app.exec_())
except SystemExit:pass
except:error("Launcher Error:")error("Looking For Trace Back:")console.print_exception(show_locals=True)

2.ui界面设计 main.py

# Form implementation generated from reading ui file '/Users/dcboy/Desktop/pml/main.ui'
#
# Created by: PyQt6 UI code generator 6.1.0
#
# WARNING: Any manual changes made to this file will be lost when pyuic6 is
# run again.  Do not edit this file unless you know what you are doing.from PyQt6 import QtCore, QtGui, QtWidgetsclass Ui_MainWindow(object):def setupUi(self, MainWindow):MainWindow.setObjectName("MainWindow")MainWindow.resize(389, 345)MainWindow.setMinimumSize(QtCore.QSize(389, 345))MainWindow.setMaximumSize(QtCore.QSize(389, 345))MainWindow.setFocusPolicy(QtCore.Qt.FocusPolicy.TabFocus)self.centralwidget = QtWidgets.QWidget(MainWindow)self.centralwidget.setObjectName("centralwidget")self.tabWidget = QtWidgets.QTabWidget(self.centralwidget)self.tabWidget.setGeometry(QtCore.QRect(10, 8, 371, 301))self.tabWidget.setObjectName("tabWidget")self.tab = QtWidgets.QWidget()self.tab.setObjectName("tab")self.groupBox = QtWidgets.QGroupBox(self.tab)self.groupBox.setGeometry(QtCore.QRect(10, 10, 341, 211))self.groupBox.setObjectName("groupBox")self.selectVersionBox = QtWidgets.QComboBox(self.groupBox)self.selectVersionBox.setGeometry(QtCore.QRect(80, 31, 191, 41))self.selectVersionBox.setObjectName("selectVersionBox")self.label = QtWidgets.QLabel(self.groupBox)self.label.setGeometry(QtCore.QRect(20, 40, 60, 21))self.label.setObjectName("label")self.launchGameBtn = QtWidgets.QPushButton(self.groupBox)self.launchGameBtn.setGeometry(QtCore.QRect(190, 150, 141, 51))self.launchGameBtn.setObjectName("launchGameBtn")self.tabWidget.addTab(self.tab, "")self.tab_2 = QtWidgets.QWidget()self.tab_2.setObjectName("tab_2")self.groupBox_2 = QtWidgets.QGroupBox(self.tab_2)self.groupBox_2.setGeometry(QtCore.QRect(10, 10, 341, 131))self.groupBox_2.setObjectName("groupBox_2")self.selectInstallVersionBox = QtWidgets.QComboBox(self.groupBox_2)self.selectInstallVersionBox.setGeometry(QtCore.QRect(10, 40, 321, 41))self.selectInstallVersionBox.setObjectName("selectInstallVersionBox")self.installGameButton = QtWidgets.QPushButton(self.groupBox_2)self.installGameButton.setGeometry(QtCore.QRect(12, 90, 131, 32))self.installGameButton.setObjectName("installGameButton")self.tabWidget.addTab(self.tab_2, "")self.tab_3 = QtWidgets.QWidget()self.tab_3.setObjectName("tab_3")self.groupBox_3 = QtWidgets.QGroupBox(self.tab_3)self.groupBox_3.setGeometry(QtCore.QRect(10, 10, 341, 71))self.groupBox_3.setObjectName("groupBox_3")self.userName = QtWidgets.QLineEdit(self.groupBox_3)self.userName.setGeometry(QtCore.QRect(90, 30, 241, 31))self.userName.setObjectName("userName")self.label_2 = QtWidgets.QLabel(self.groupBox_3)self.label_2.setGeometry(QtCore.QRect(20, 30, 61, 31))self.label_2.setObjectName("label_2")self.groupBox_4 = QtWidgets.QGroupBox(self.tab_3)self.groupBox_4.setGeometry(QtCore.QRect(10, 90, 341, 91))self.groupBox_4.setObjectName("groupBox_4")self.label_3 = QtWidgets.QLabel(self.groupBox_4)self.label_3.setGeometry(QtCore.QRect(10, 30, 60, 16))self.label_3.setObjectName("label_3")self.mcDirText = QtWidgets.QLabel(self.groupBox_4)self.mcDirText.setGeometry(QtCore.QRect(50, 30, 281, 16))self.mcDirText.setObjectName("mcDirText")self.setMcDirButton = QtWidgets.QPushButton(self.groupBox_4)self.setMcDirButton.setGeometry(QtCore.QRect(12, 50, 321, 32))self.setMcDirButton.setObjectName("setMcDirButton")self.groupBox_5 = QtWidgets.QGroupBox(self.tab_3)self.groupBox_5.setGeometry(QtCore.QRect(10, 190, 201, 71))self.groupBox_5.setObjectName("groupBox_5")self.styleBox = QtWidgets.QComboBox(self.groupBox_5)self.styleBox.setGeometry(QtCore.QRect(10, 30, 181, 32))self.styleBox.setObjectName("styleBox")self.tabWidget.addTab(self.tab_3, "")self.stauts = QtWidgets.QLabel(self.centralwidget)self.stauts.setGeometry(QtCore.QRect(60, 310, 321, 31))self.stauts.setObjectName("stauts")self.label_4 = QtWidgets.QLabel(self.centralwidget)self.label_4.setGeometry(QtCore.QRect(10, 310, 41, 31))self.label_4.setObjectName("label_4")MainWindow.setCentralWidget(self.centralwidget)self.retranslateUi(MainWindow)self.tabWidget.setCurrentIndex(0)QtCore.QMetaObject.connectSlotsByName(MainWindow)def retranslateUi(self, MainWindow):_translate = QtCore.QCoreApplication.translateMainWindow.setWindowTitle(_translate("MainWindow", "Launcher Main"))self.groupBox.setTitle(_translate("MainWindow", "启动"))self.label.setText(_translate("MainWindow", "选择版本"))self.launchGameBtn.setText(_translate("MainWindow", "启动游戏"))self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab), _translate("MainWindow", "主页面"))self.groupBox_2.setTitle(_translate("MainWindow", "安装版本"))self.installGameButton.setText(_translate("MainWindow", "安装"))self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_2), _translate("MainWindow", "下载"))self.groupBox_3.setTitle(_translate("MainWindow", "用户"))self.label_2.setText(_translate("MainWindow", "用户名"))self.groupBox_4.setTitle(_translate("MainWindow", "MC文件夹"))self.label_3.setText(_translate("MainWindow", "当前"))self.mcDirText.setText(_translate("MainWindow", "NONE"))self.setMcDirButton.setText(_translate("MainWindow", "选择..."))self.groupBox_5.setTitle(_translate("MainWindow", "主题样式"))self.tabWidget.setTabText(self.tabWidget.indexOf(self.tab_3), _translate("MainWindow", "设置"))self.stauts.setText(_translate("MainWindow", "启动启动器"))self.label_4.setText(_translate("MainWindow", "状态:"))

功能：

改变界面颜色，文件路径，下载版本，启动游戏

截图：（没有骗你，是java版本，下载下来的，不是launcher或者其他地方的图片）

是不是很nice？这就是java版本。和原版一点也没有区别！

希望点个赞，关注一下我和 __小小的程序员__哦！

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