AutoGenSystem

#coding=utf-8

#
#                                   AutoGenSystem
# 声明：
#     该软件主要是为了解决Android系统更新时，由于版本很多，管理起来复杂，容易出错，于是采用软件
# 自动对系统软件进行组合，目前该软件还没有对生成的文件夹加入命名规范。
#
#                                                      2016-1-2 深圳 南山平山村 曾剑锋
# 参考文档：
#     1. PySide : How to get the clicked QPushButton object in the QPushButton clicked slot?
#          http://stackoverflow.com/questions/20320298/pyside-how-to-get-the-clicked-qpushbutton-object-in-the-qpushbutton-clicked-sl
#     2. python 字符串split的用法分享
#          http://www.jb51.net/article/34998.htm
#     3. Python中使用定时器Sleep定时秒及毫秒。
#          http://jingyan.baidu.com/article/4b07be3c65263a48b380f3b4.html
#     4. 去空格及特殊符号
#          http://www.cnblogs.com/huangcong/archive/2011/08/29/2158268.html
#     5. Python中函数的参数定义和可变参数
#          http://www.cnblogs.com/tqsummer/archive/2011/01/25/1944416.html
#     6. python 多线程就这么简单
#          http://www.cnblogs.com/fnng/p/3670789.html
#     7. python threads can only be started once
#          http://zhidao.baidu.com/link?url=8x7GpDdNmcL3TQZ0iDibdkx5Y2MdgcxnlATPkvMX4EwXsR2ZxJ37lDapbeehaHNvGmQxjupjnx4ynsxfAuGipC1wbOUoTaHqmzyLcmcffza
#
#

import sys
import os
import shutil
import time
import threading
from PyQt4.QtCore import *
from PyQt4.QtGui import *

from ui_AutoGenSystem import Ui_GenSystemUI

class AutoGenSystem(QDialog):


    def __init__(self):

        QDialog.__init__(self)

        self.ui = Ui_GenSystemUI()
        self.ui.setupUi(self)

        self.setWindowTitle("AutoGenSystem")
        self.setFixedHeight(self.height())
        self.setFixedWidth(self.width())
        self.setWindowFlags(self.windowFlags() & ~Qt.WindowContextHelpButtonHint);

        # 连接信号与槽
        self.ui.chooseUbootPath.clicked.connect(lambda :self.dealWithPushButton(self.ui.chooseUbootPath))
        self.ui.chooseRecoveryPath.clicked.connect(lambda :self.dealWithPushButton(self.ui.chooseRecoveryPath))
        self.ui.chooseBootingPath.clicked.connect(lambda :self.dealWithPushButton(self.ui.chooseBootingPath))
        self.ui.chooseFileSystemPath.clicked.connect(lambda :self.dealWithPushButton(self.ui.chooseFileSystemPath))
        self.ui.clean.clicked.connect(self.cleanOnClicked)
        self.ui.current.clicked.connect(self.currentOnClicked)
        self.ui.autoAll.clicked.connect(self.autoAllOnClicked)

        #初始化一些全局变量，compound是指合成，也就合成的目录
        self.ubootImagePath      = "image/uboot/"
        self.fileSystemImagePath = "image/file_system/"
        self.recoveryImagePath   = "image/recovery/"
        self.bootingImagePath    = "image/booting/"
        self.readmeFilePath      = "image/readme.txt"
        self.compoundPath        = "compound/"
        self.ubootName           = "uboot.img"
        self.bootingNmae         = "boot.img"
        self.fileSystemName      = "system.img"
        self.recoveryName        = "recovery.img"

        # 检查这些文件路径是否存在
        self.checkImagePathExist(self.ubootImagePath, self.fileSystemImagePath, self.recoveryImagePath, self.bootingImagePath, self.readmeFilePath)

        # 读取readme文件
        if os.path.exists(self.readmeFilePath) :
            readme = open(self.readmeFilePath)
            self.ui.readme.setPlainText(QString.fromUtf8(readme.read()))
            readme.close()


    def currentOnClicked(self):

        # 检查文本框是否为空
        if ( (len(self.ui.ubootPath.text()) == 0)
             or (len(self.ui.recoveryPath.text()) == 0)
             or (len(self.ui.bootingPath.text()) == 0)
             or (len(self.ui.fileSystemPath.text()) == 0) ):
            QMessageBox.about(self, "mesg", "Please choose all The image files on the left side.")
            return

        # 删除之前合成的目录，并重新创建合成目录
        self.remakeCompoundDir()

        # 文件拷贝，并显示进度条、提示信息，5个文件，每次拷贝完一个文件，进度条往前跑20个点，跑完最后一个点就是100了
        # 这里的self.compound字符串最后添加了"/"，所以生成distPath的时候可以直接字符串连接。
        i = 0;
        i += 1
        self.copyImageFile(self.ui.ubootPath.text(), self.compoundPath + self.ubootName, 20 * i, "Copying uboot.img")
        i += 1
        self.copyImageFile(self.ui.recoveryPath.text(), self.compoundPath + self.recoveryName, 20 * i, "Copying recovery.img")
        i += 1
        self.copyImageFile(self.ui.bootingPath.text(), self.compoundPath + self.bootingNmae, 20 * i, "Copying boot.img")
        i += 1
        self.copyImageFile(self.ui.fileSystemPath.text(), self.compoundPath + self.fileSystemName, 20 * i, "Copying system.img")
        i += 1
        self.saveReadMeFile(self.compoundPath + "readme.txt", 20 * i, "Copying readme.txt.")

        self.ui.info.setText("Current copying is over.")


    def autoAllOnClicked(self):

        # 获取文件列表
        ubootFiles = os.listdir(self.ubootImagePath)
        recoveryFiles = os.listdir(self.recoveryImagePath)
        bootingFiles = os.listdir(self.bootingImagePath)
        fileSystemFiles = ""
        if self.ui.systemType.currentIndex() == 0 :
            fileSystemFiles = os.listdir(self.fileSystemImagePath + "RES")
        else:
            fileSystemFiles = os.listdir(self.fileSystemImagePath + "PTC")

        # 删除之前合成的目录，并重新创建合成目录
        self.remakeCompoundDir()

        # 拷贝文件，并计算进度条每次跳跃的阶数值，总循环次数allFilesCount，每套系统里面需要生成5个文件
        # 设置进度条进度，Information tips信息
        allFilesCount = len(ubootFiles) * len(recoveryFiles) * len(bootingFiles) * len(fileSystemFiles)
        processBarStep = 100.0 / allFilesCount / 5  # 每个文件夹5个文件

        i = 0
        for ubootFile in ubootFiles:
            for recoveryFile in recoveryFiles:
                for bootingFile in bootingFiles:
                    for fileSystemFile in fileSystemFiles:

                        newPath = self.compoundPath + ubootFile+"_"+recoveryFile+"_"+bootingFile+"_"+fileSystemFile + "/"
                        os.mkdir(newPath)

                        i += 1
                        self.copyImageFile(self.ubootImagePath + ubootFile, newPath + self.ubootName, processBarStep * i, "Copying uboot.img")
                        i += 1
                        self.copyImageFile(self.recoveryImagePath + recoveryFile, newPath + self.recoveryName, processBarStep * i, "Copying recovery.img")
                        i += 1
                        self.copyImageFile(self.bootingImagePath + bootingFile, newPath + self.bootingNmae, processBarStep * i, "Copying boot.img")
                        i += 1
                        if self.ui.systemType.currentIndex() == 0 :
                            self.copyImageFile(self.fileSystemImagePath + "RES/" + fileSystemFile, newPath + self.fileSystemName, processBarStep * i, "Copying system.img")
                        else:
                            self.copyImageFile(self.fileSystemImagePath + "PTC/" + fileSystemFile, newPath + self.fileSystemName, processBarStep * i, "Copying system.img")
                        i += 1
                        self.saveReadMeFile("%s/readme.txt" % newPath, processBarStep * i, "Saving readme.txt.")

        self.ui.info.setText("AutoAll copying is over.")
        self.ui.progressBar.setValue(100)


    def cleanOnClicked(self):

        self.ui.systemType.setCurrentIndex(0)
        self.ui.ubootPath.setText("")
        self.ui.recoveryPath.setText("")
        self.ui.bootingPath.setText("")
        self.ui.fileSystemPath.setText("")
        self.ui.readme.setPlainText("")
        self.ui.progressBar.setValue(0)
        self.ui.info.setText("Information Tips.")


    def dealWithPushButton(self, button):

        filePath = ""
        if button.objectName() == "chooseUbootPath" :
            filePath = self.ubootImagePath
        elif button.objectName() == "chooseRecoveryPath" :
            filePath = self.recoveryImagePath
        elif button.objectName() == "chooseBootingPath" :
            filePath = self.bootingImagePath
        elif button.objectName() == "chooseFileSystemPath" :
            filePath = self.fileSystemImagePath
            if self.ui.systemType.currentIndex() == 0 :
                filePath += "/RES"
            else :
                filePath += "/PTC"

        # 检查文件路径是否存在
        self.checkImagePathExist(filePath)

        # 获取文件路径，并将文件路径保存在UI界面的控件里去
        choosePathString = QFileDialog.getOpenFileName(self, "Select file", filePath, "*")
        if len(choosePathString) == 0 :
            return
        self.setUIControlsPath(button, choosePathString)


    def checkImagePathExist(self, *paths):

        # 由于这里传入的参数可以是多个，可能有些路径有效，有些无效，在这里进行检查，将无效的路径提取出来，并给出提示
        unexistPath = ""
        for path in paths :
            if not os.path.exists(path) :
                unexistPath += "\n\t"
                unexistPath += path

        unexistPath = unexistPath.strip()   # 剔除字符串行头行尾的不显示字符，用于下面的比较和分割
        if len(unexistPath) != 0 :
            if len(unexistPath.split("\n\t")) == 1 :
                QMessageBox.about(self, "mesg", "Please create this path in current software path:\n\t" + unexistPath + ".")
            else :
                QMessageBox.about(self, "mesg", "Please create those path in current software path:\n\t" + unexistPath + ".")
            exit()


    def copyImageFile(self, srcPath, distPath, progressBarValue, informationTips):

        self.ui.info.setText(informationTips)
        QFile.copy(srcPath, distPath)                   # 拷贝文件
        self.ui.progressBar.setValue(progressBarValue)


    def copyASystemFile(self, ubootSrcPath, ubootDistPath, bootingSrcPath, bootingDistPath,
            recoverySrcPath, recoveryDistPath, fileSystemSrcPath, fileSystemDistPath, readmePath, processBarStep, index):
        # 文件拷贝，并显示进度条、提示信息，5个文件，每次拷贝完一个文件
        # 这里的self.compound字符串最后添加了"/"，所以生成distPath的时候可以直接字符串连接。
        index
        self.copyImageFile(ubootSrcPath, ubootDistPath, processBarStep * index, "Copying uboot.img")
        index += 1
        self.copyImageFile(bootingSrcPath, bootingDistPath, processBarStep * index, "Copying recovery.img")
        index += 1
        self.copyImageFile(recoverySrcPath, recoveryDistPath, processBarStep * index, "Copying boot.img")
        index += 1
        self.copyImageFile(fileSystemSrcPath, fileSystemDistPath, processBarStep * index, "Copying system.img")
        index += 1
        self.saveReadMeFile(readmePath, processBarStep * index, "Copying readme.txt.")


    def saveReadMeFile(self, distPath, progressBarValue, informationTips):

        self.ui.info.setText(informationTips)
        readme = open( distPath, "w" )
        readme.write(self.ui.readme.toPlainText().toUtf8())     # 保存的时候用Utf8，读的时候也是Utf8
        readme.flush()
        readme.close()
        self.ui.progressBar.setValue(progressBarValue)


    def remakeCompoundDir(self):

        # 删除文件夹，创建文件夹，这个过程时间太短貌似有问题，所以加了延时，但目前没有摸清楚这个延时情况该如何解决
        if os.path.exists("compound") :
            shutil.rmtree("compound")
        time.sleep(1)
        os.mkdir("compound")


    def disableAllControls(self):

        self.ui.systemType.setDisabled(True)
        self.ui.ubootPath.setDisabled(True)
        self.ui.recoveryPath.setDisabled(True)
        self.ui.bootingPath.setDisabled(True)
        self.ui.fileSystemPath.setDisabled(True)
        self.ui.readme.setDisabled(True)
        self.ui.clean.setDisabled(True)
        self.ui.current.setDisabled(True)
        self.ui.autoAll.setDisabled(True)


    def enableAllControls(self):

        self.ui.systemType.setDisabled(False)
        self.ui.ubootPath.setDisabled(False)
        self.ui.recoveryPath.setDisabled(False)
        self.ui.bootingPath.setDisabled(False)
        self.ui.fileSystemPath.setDisabled(False)
        self.ui.readme.setDisabled(False)
        self.ui.clean.setDisabled(False)
        self.ui.current.setDisabled(False)
        self.ui.autoAll.setDisabled(False)


    def setUIControlsPath(self, button, choosePathString):

        # 设置UI界面
        if button.objectName() == "chooseUbootPath" :
            self.ui.ubootPath.setText(choosePathString)
        elif button.objectName() == "chooseRecoveryPath" :
            self.ui.recoveryPath.setText(choosePathString)
        elif button.objectName() == "chooseBootingPath" :
            self.ui.bootingPath.setText(choosePathString)
        elif button.objectName() == "chooseFileSystemPath" :
            self.ui.fileSystemPath.setText(choosePathString)