#!/usr/bin/env python3 """ Grabs the latest version of every libretro core from the build bot. """ __author__ = "Melon Bread" __version__ = "0.9.0" __license__ = "MIT" import os import platform import sys import zipfile from shutil import rmtree from urllib.request import urlretrieve from PySide2.QtCore import QThread, Signal from PySide2.QtGui import QTextCursor from PySide2.QtWidgets import (QApplication, QCheckBox, QComboBox, QDialog, QFileDialog, QLineEdit, QPushButton, QTextEdit, QVBoxLayout, QMessageBox) URL = 'https://buildbot.libretro.com/nightly' # These are the default core locations with normal RetroArch installs based off of 'retroarch.default.cfg` CORE_LOCATION = { 'linux': '{}/.config/retroarch/cores'.format(os.path.expanduser('~')), 'apple/osx': '/Applications/RetroArch.app/Contents/Resources/cores', # macOS 'windows': '{}/AppData/Roaming/RetroArch/cores'.format(os.path.expanduser('~')) } class GrabThread(QThread): add_to_log = Signal(str) lock = Signal(bool) def __init__(self, _platform, _architecture, _location): QThread.__init__(self) self.platform = _platform self.architecture = _architecture self.location = _location def __del__(self): self.wait() def run(self): self.lock.emit(True) self.add_to_log.emit('~Starting UFO Grabber~\n') self.download_cores(self.platform, self.architecture) self.extract_cores(self.location) self.lock.emit(False) def create_dir(self, _name): if not os.path.isdir(_name): os.makedirs(_name) def obtain_core_list(self, _platform, _architecture): urlretrieve( '{}/{}/{}/latest/.index-extended'.format( URL, _platform, _architecture), 'cores/index') self.add_to_log.emit('Obtained core index!\n') def download_cores(self, _platform, _architecture): """ Downloads every core to the working directory """ cores = [] # Makes core directory to store archives if needed self.create_dir("cores") # Downloads a list of all the cores available self.obtain_core_list(_platform, _architecture) # Adds all the core's file names to a list core_index = open('cores/index') for line in core_index: file_name = line.split(' ', 2)[2:] cores.append(file_name[0].rstrip()) core_index.close() cores.sort() # Downloads each core from the list self.add_to_log.emit('Downloading Cores\n') for core in cores: urlretrieve( '{}/{}/{}/latest/{}'.format(URL, _platform, _architecture, core), 'cores/{}'.format(core)) self.add_to_log.emit('Downloaded {} ...'.format(core)) # Removes index file for easier extraction os.remove('cores/index') def extract_cores(self, _location): """ Extracts each downloaded core to the RA core directory """ self.add_to_log.emit('\nExtracting all cores to: {}\n'.format(_location)) for file in os.listdir('cores'): archive = zipfile.ZipFile('cores/{}'.format(file)) archive.extractall(_location) self.add_to_log.emit('Extracted {} ...'.format(file)) class Form(QDialog): def __init__(self, parent=None): super(Form, self).__init__(parent) self.setWindowTitle('RetroUFO') # Create widgets self.chkboxPlatformDetect = QCheckBox('Platform Auto-Detect') self.chkboxPlatformDetect.setChecked(True) self.chkboxPlatformDetect.stateChanged.connect(self.auto_detect) self.cmbboxPlatform = QComboBox() self.cmbboxPlatform.setEnabled(False) self.cmbboxPlatform.setEditable(False) self.cmbboxPlatform.addItem('Linux') self.cmbboxPlatform.addItem('macOS') self.cmbboxPlatform.addItem('Windows') self.cmbboxArchitecture = QComboBox() self.cmbboxArchitecture.setEnabled(False) self.cmbboxArchitecture.setEditable(False) self.cmbboxArchitecture.addItem('x86') self.cmbboxArchitecture.addItem('x86_64') self.chkboxLocationDetect = QCheckBox('Core Location Auto-Detect') self.chkboxLocationDetect.setChecked(True) self.chkboxLocationDetect.stateChanged.connect(self.auto_location) self.leditCoreLocation = QLineEdit('') self.leditCoreLocation.setEnabled(False) self.btnCoreLocation = QPushButton('...') self.btnCoreLocation.setEnabled(False) self.btnCoreLocation.clicked.connect(self.choose_location) self.teditLog = QTextEdit() self.teditLog.setReadOnly(True) self.tcsrLog = QTextCursor(self.teditLog.document()) self.chkboxKeepDownload = QCheckBox('Keep Downloaded Cores') self.chkboxKeepDownload.setChecked(False) self.btnGrabCores = QPushButton('Grab Cores') self.btnGrabCores.clicked.connect(self.grab_cores) # Create layout and add widgets self.formLayout = QVBoxLayout() self.formLayout.addWidget(self.chkboxPlatformDetect) self.formLayout.addWidget(self.cmbboxPlatform) self.formLayout.addWidget(self.cmbboxArchitecture) self.formLayout.addWidget(self.chkboxLocationDetect) self.formLayout.addWidget(self.leditCoreLocation) self.formLayout.addWidget(self.btnCoreLocation) self.formLayout.addWidget(self.teditLog) self.formLayout.addWidget(self.chkboxKeepDownload) self.formLayout.addWidget(self.btnGrabCores) # Set dialog layout self.setLayout(self.formLayout) def auto_detect(self): if self.chkboxPlatformDetect.isChecked(): self.cmbboxPlatform.setEnabled(False) self.cmbboxArchitecture.setEnabled(False) else: self.cmbboxPlatform.setEnabled(True) self.cmbboxArchitecture.setEnabled(True) def auto_location(self): if self.chkboxLocationDetect.isChecked(): self.leditCoreLocation.setEnabled(False) self.btnCoreLocation.setEnabled(False) else: self.leditCoreLocation.setEnabled(True) self.btnCoreLocation.setEnabled(True) def choose_location(self): directory = QFileDialog.getExistingDirectory( self, 'Choose Target Location', os.path.expanduser('~')) self.leditCoreLocation.insert(directory) def update_log(self, _info): self.teditLog.insertPlainText('{}\n'.format(_info)) # Auto scrolling on log UI self.teditLog.moveCursor(QTextCursor.End) def lock_ui(self, _lock): # Cycle through each widget and disable it except for log UI widgets = (self.formLayout.itemAt(i).widget() for i in range(self.formLayout.count())) for widget in widgets: if isinstance(widget, QTextEdit): pass else: widget.setDisabled(_lock) # Have to run these to make sure only the correct things unlock after grab thread self.auto_detect() self.auto_location() def grab_cores(self): """ Where the magic happens """ if not self.chkboxKeepDownload.isChecked(): self.clean_up() target_platform = self.get_platform() architecture = self.get_architecture() location = self.get_location() self.grab = GrabThread(target_platform, architecture, location) self.grab.add_to_log.connect(self.update_log) self.grab.lock.connect(self.lock_ui) self.grab.start() def get_platform(self): """ Gets the Platform and Architecture if not supplied """ if not self.chkboxPlatformDetect.isChecked(): if self.cmbboxPlatform.currentText() == 'macOS': return 'apple/osx' # macOS else: return self.cmbboxPlatform.currentText().lower() else: if platform.system() == 'Linux': return 'linux' elif platform.system() == 'Darwin': # macOS return 'apple/osx' elif platform.system() == 'Windows' or 'MSYS_NT' in platform.system(): # Checks for MSYS environment as well return 'windows' else: msgBox = QMessageBox.warning(self, 'Error', 'Platform not found or supported!', QMessageBox.Ok) msgBox.exec_() def get_architecture(self): """ Gets the Platform and Architecture if not supplied """ if '64' in platform.architecture()[0]: return 'x86_64' elif '32' in platform.architecture()[0]: return 'x86' else: msgBox = QMessageBox.warning(self, 'Error', 'Architecture not found or supported', QMessageBox.Ok) msgBox.exec_() def get_location(self): if not self.chkboxLocationDetect.isChecked(): return self.leditCoreLocation.text() else: return CORE_LOCATION[self.get_platform()] def clean_up(self): """ Removes all the downloaded files """ if os.listdir('cores'): rmtree('cores/') if __name__ == '__main__': # Create the Qt Application app = QApplication(sys.argv) # Create and show the form form = Form() form.setFixedWidth(438) # So all text on the log UI stays on one line form.show() # Run the main Qt loop sys.exit(app.exec_())