A new build with an installer

build2.py

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+import os
+import urllib
+import subprocess
+import platform
+import sys
+from distutils.dir_util import copy_tree
+from PyQt5.QtWidgets import *
+from PyQt5.QtGui import *
+from PyQt5.QtCore import *
+
+
+inst_dir = "C:\Program Files (x86)\Katawa Shoujo"
+patch_dir = "KatawaShoujoHD"
+out_dir = "dist"
+
+
+class Patch(QWidget):
+
+    def __init__(self):
+        super().__init__()
+        self.initUI()
+
+    def initUI(self):
+        # Background image
+        self.bg = QLabel(self)
+        self.bg.setPixmap(QPixmap('buildres\Bg.jpg'))
+
+        # Textbox with info
+        self.txtbox = QLabel(self)
+        self.txtbox.move(110, 15)
+        self.txtbox.setFont(QFont('Playtime With Hot Toddies', 11))
+        self.txtbox.setText("Hello.\n"
+                            "This setup will install the HD Patch \non your Katawa Shoujo.\n"
+                            "The installer is going to use your game's\n"
+                            "copied files, so the original game will not be\n"
+                            "harmed. You can come back to the original\ngame whenever you want. Enjoy!")
+        self.txtbox.adjustSize()
+
+        # Rin image
+        self.pic = QLabel(self)
+        self.pic.setPixmap(QPixmap('buildres\Rin.png'))
+        self.pic.setGeometry(25, 25, 79, 121)
+        self.pic.setScaledContents(True)
+
+        # Progress Bar
+        self.pbar = QProgressBar(self)
+        self.pbar.setGeometry(30, 140, 360, 18)
+        self.pbar.move(41, 235)
+
+        # Status label under progress bar
+        self.statuslbl = QLabel(self)
+        self.statuslbl.setFont(QFont('Playtime With Hot Toddies', 9))
+        self.statuslbl.move(42, 255)
+
+        # Line above path QLineEdit
+        self.pathlbl = QLabel(self)
+        self.pathlbl.setFont(QFont('Playtime With Hot Toddies', 10))
+        self.pathlbl.setText('Choose the folder with your Katawa Shoujo:')
+        self.pathlbl.adjustSize()
+        self.pathlbl.move(42, 156)
+
+        # "It may take a few minutes" label
+        self.lbl2 = QLabel(self)
+        self.lbl2.setFont(QFont('Playtime With Hot Toddies', 10))
+        self.lbl2.move(140, 199)
+
+        # Path QLineEdit
+        self.pth = QLineEdit(self)
+        self.pth.setReadOnly(True)
+        self.pth.setText(inst_dir)
+        self.pth.setGeometry(41, 174, 240, 21)
+
+        # "Browse" button
+        self.cbtn = QPushButton('Browse', self)
+        self.cbtn.move(290, 173)
+        self.cbtn.clicked.connect(self.select_folder)
+
+        # "Install" button
+        self.btn = QPushButton('Install', self)
+        self.btn.setGeometry(40, 200, 90, 30)
+        self.btn.clicked.connect(self.bongiorno)
+        self.btn.setEnabled(False)
+        self.check_exe()
+
+        # Other window settings
+        self.move(700, 400)
+        self.setFixedSize(410, 300)
+        self.setWindowIcon(QIcon('buildres\icon.ico'))
+        self.setWindowTitle("Katawa Shoujo HD Patch")
+        self.show()
+
+    # Selecting folder function
+    def select_folder(self):
+        global inst_dir
+        inst_dir = QFileDialog.getExistingDirectory(self, 'Select Katawa Shoujo folder')
+        print(inst_dir)
+        self.pth.setText(inst_dir)
+        self.check_exe()
+
+    # Check for existence of "Katawa Shoujo.exe" in current directory
+    def check_exe(self):
+        global inst_dir
+        if not os.path.isfile(inst_dir+"\Katawa Shoujo.exe"):
+            self.btn.setEnabled(False)
+            QMessageBox.about(self, 'Warning', 'Could not find "Katawa Shoujo.exe".'
+                                               '\nMake sure you have chosen the correct folder.')
+        else:
+            self.btn.setEnabled(True)
+
+    # Main patching method
+    def bongiorno(self):
+        global inst_dir
+        path = inst_dir
+
+        # "It may take a few minutes" label appear
+        self.lbl2.setText('Do not close the installer window.\nAn installation may take a few minutes.')
+        self.lbl2.adjustSize()
+
+        self.statuslbl.setText("Found the base game files...")
+        self.statuslbl.adjustSize()
+        self.pbar.setValue(10)
+
+        # Copy the base game files to the output directory
+        self.statuslbl.setText("Copying the base game files...")
+        self.statuslbl.adjustSize()
+        self.pbar.setValue(42)
+        copy_tree(path, out_dir)
+
+        # Hand the call to rpatool to wine if not on windows
+        self.statuslbl.setText("Extracting RPA...")
+        self.statuslbl.adjustSize()
+        self.pbar.setValue(69)
+
+        user_os = platform.system()
+        rpa_path = os.path.join(path, 'game/data.rpa')
+        extract_path = os.path.join(out_dir, 'game')
+
+        if user_os == "Windows":
+            subprocess.call(['rpatool.exe', '-x', rpa_path, '-o', extract_path])
+        else:
+            subprocess.call(['wine', 'rpatool.exe', '-x', rpa_path, '-o', extract_path])
+
+
+        # Remove the rpa
+        self.statuslbl.setText("Removing redundant files...")
+        self.statuslbl.adjustSize()
+        self.pbar.setValue(87)
+        os.remove(os.path.join(out_dir, "game/data.rpa"))
+
+        # Patching
+        self.statuslbl.setText("Patching the game files...")
+        self.statuslbl.adjustSize()
+        copy_tree(patch_dir, out_dir)
+
+        self.statuslbl.setText("Done! The game is now playable in the folder '%s' in this directory"
+                               "\nby running 'Katawa Shoujo.exe'" % out_dir)
+        self.statuslbl.adjustSize()
+        self.pbar.setValue(100)
+
+
+if __name__ == '__main__':
+    App = QApplication(sys.argv)
+    window = Patch()
+    sys.exit(App.exec())