#!/usr/bin/env python3 """ * nxdt_host.pyw * * Copyright (c) 2021, DarkMatterCore . * * This file is part of nxdumptool (https://github.com/DarkMatterCore/nxdumptool). * * nxdumptool is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. * * nxdumptool is distributed in the hope it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . """ # This script depends on Pillow, PyUSB and tqdm. # You can install them with `pip install Pillow pyusb tqdm`. # libusb needs to be installed as well. PyUSB uses it as its USB backend. Otherwise, a NoBackend exception will be raised while calling PyUSB functions. # Under Windows, the recommended way to do this is by installing the libusb driver with Zadig (https://zadig.akeo.ie). This is a common step in Switch modding guides. # Under MacOS, use `brew install libusb` to install libusb via Homebrew. # Under Linux, you should be good to go from the start. If not, just use the packet manager from your distro to install libusb. import os import platform import threading import traceback import ctypes import logging import queue import shutil import time import struct import usb.core import usb.util import warnings import tkinter as tk import tkinter.ttk as ttk from tkinter import filedialog, messagebox, font, scrolledtext from tqdm import tqdm import base64 import io from PIL import Image, ImageTk # Scaling factors. WINDOWS_SCALING_FACTOR = 96.0 SCALE = 1.0 # Window size. WINDOW_WIDTH = 500 WINDOW_HEIGHT = 470 # Application version. APP_VERSION = '0.2' # Copyright year. COPYRIGHT_YEAR = '2021' # Messages displayed as labels. SERVER_START_MSG = 'Please connect a Nintendo Switch console running nxdumptool.' SERVER_STOP_MSG = 'Exit nxdumptool on your console or disconnect it at any time to stop the server.' # USB VID/PID pair. USB_DEV_VID = 0x057E USB_DEV_PID = 0x3000 # USB manufacturer and product strings. USB_DEV_MANUFACTURER = 'DarkMatterCore' USB_DEV_PRODUCT = 'nxdumptool' # USB timeout (milliseconds). USB_TRANSFER_TIMEOUT = 5000 # USB transfer block size. USB_TRANSFER_BLOCK_SIZE = 0x800000 # USB command header/status magic word. USB_MAGIC_WORD = b'NXDT' # Supported USB ABI version. USB_ABI_VERSION = 1 # USB command header size. USB_CMD_HEADER_SIZE = 0x10 # USB command IDs. USB_CMD_START_SESSION = 0 USB_CMD_SEND_FILE_PROPERTIES = 1 USB_CMD_CANCEL_FILE_TRANSFER = 2 USB_CMD_SEND_NSP_HEADER = 3 USB_CMD_END_SESSION = 4 # USB command block sizes. USB_CMD_BLOCK_SIZE_START_SESSION = 0x10 USB_CMD_BLOCK_SIZE_SEND_FILE_PROPERTIES = 0x320 # Max filename length (file properties). USB_FILE_PROPERTIES_MAX_NAME_LENGTH = 0x300 # USB status codes. USB_STATUS_SUCCESS = 0 USB_STATUS_INVALID_MAGIC_WORD = 4 USB_STATUS_UNSUPPORTED_CMD = 5 USB_STATUS_UNSUPPORTED_ABI_VERSION = 6 USB_STATUS_MALFORMED_CMD = 7 USB_STATUS_HOST_IO_ERROR = 8 # Default directory paths. INITIAL_DIR = os.path.abspath(os.path.dirname(__file__)) DEFAULT_DIR = (INITIAL_DIR + os.path.sep + USB_DEV_PRODUCT) # Application icon. 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using a queue. self.log_queue = queue.Queue() self.queue_handler = LogQueueHandler(self.log_queue) #formatter = logging.Formatter('[%(asctime)s] -> %(message)s') formatter = logging.Formatter('%(message)s') self.queue_handler.setFormatter(formatter) g_Logger.addHandler(self.queue_handler) # Start polling messages from the queue. self.frame.after(100, self.poll_log_queue) def display(self, record): msg = self.queue_handler.format(record) self.scrolled_text.configure(state='normal') self.scrolled_text.insert(tk.END, msg + '\n', record.levelname) self.scrolled_text.configure(state='disabled') self.scrolled_text.yview(tk.END) def poll_log_queue(self): # Check every 100 ms if there is a new message in the queue to display. while True: try: record = self.log_queue.get(block=False) except queue.Empty: break else: self.display(record) self.frame.after(100, self.poll_log_queue) # Loosely based on tk.py from tqdm. class ProgressBar: def __init__(self, total, prefix='', unit='B', bar_format=None, tk_parent=None, window_title='', window_resize=False, window_protocol=None): if (tk_parent is None) or (total <= 0): raise Exception('Invalid arguments!') self.n = 0 self.total = total self.prefix = prefix self.unit = unit self.bar_format = bar_format self.tk_parent = tk_parent self.tk_window = tk.Toplevel(self.tk_parent) if window_title: self.tk_window.title(window_title) self.tk_window.resizable(window_resize, window_resize) if window_protocol: self.tk_window.protocol('WM_DELETE_WINDOW', window_protocol) self.tk_window.attributes('-topmost', True) self.tk_window.after(0, lambda: self.tk_window.attributes('-topmost', False)) pbar_frame = ttk.Frame(self.tk_window, padding=5) pbar_frame.pack() self.tk_text_var = tk.StringVar(self.tk_window) tk_label = ttk.Label(pbar_frame, textvariable=self.tk_text_var, wraplength=600, anchor='center', justify='center') tk_label.pack() self.tk_n_var = tk.DoubleVar(self.tk_window, value=0) self.tk_pbar = ttk.Progressbar(pbar_frame, variable=self.tk_n_var, length=450) self.tk_pbar.configure(maximum=self.total, mode='determinate') self.tk_pbar.pack() self.start = time.time() self.update(0) def close(self): self.tk_parent.after(0, self.tk_window.destroy) def update(self, n): if (self.n + n) > self.total: return self.n += n elapsed = (time.time() - self.start) msg = tqdm.format_meter(n=self.n, total=self.total, elapsed=elapsed, prefix=self.prefix, unit=self.unit, bar_format=self.bar_format) self.tk_text_var.set(msg) self.tk_n_var.set(self.n) def reset(self, total): if (total <= 0): raise Exception('Invalid total value!') self.n = 0 self.total = total self.tk_pbar.configure(maximum=self.total, mode='determinate') self.start = time.time() self.update(0) def utilsIsValueAlignedToEndpointPacketSize(value): return bool((value & (g_usbEpMaxPacketSize - 1)) == 0) def utilsResetNspInfo(): global g_nspTransferMode, g_nspSize, g_nspHeaderSize, g_nspRemainingSize, g_nspFile, g_nspFilePath # Reset NSP transfer mode info. g_nspTransferMode = False g_nspSize = 0 g_nspHeaderSize = 0 g_nspRemainingSize = 0 g_nspFile = None g_nspFilePath = None def utilsGetSizeUnitAndDivisor(size): size_suffixes = [ 'B', 'KiB', 'MiB', 'GiB' ] size_suffixes_count = len(size_suffixes) float_size = float(size) ret = None for i in range(size_suffixes_count): if (float_size < pow(1024, i + 1)) or ((i + 1) >= size_suffixes_count): ret = (size_suffixes[i], pow(1024, i)) break return ret def usbGetDeviceEndpoints(): global g_usbEpIn, g_usbEpOut, g_usbEpMaxPacketSize prev_dev = cur_dev = None usb_ep_in_lambda = lambda ep: usb.util.endpoint_direction(ep.bEndpointAddress) == usb.util.ENDPOINT_IN usb_ep_out_lambda = lambda ep: usb.util.endpoint_direction(ep.bEndpointAddress) == usb.util.ENDPOINT_OUT usb_version = None while True: # Check if the user decided to stop the server. if g_stopEvent.is_set(): g_stopEvent.clear() return False # Find a connected USB device with a matching VID/PID pair. cur_dev = usb.core.find(idVendor=USB_DEV_VID, idProduct=USB_DEV_PID) if (cur_dev is None) or ((prev_dev is not None) and (cur_dev.bus == prev_dev.bus) and (cur_dev.address == prev_dev.address)): # Using == here would also compare the backend. time.sleep(0.1) continue # Update previous device. prev_dev = cur_dev # Check if the product and manufacturer strings match the ones used by nxdumptool. #if (cur_dev.manufacturer != USB_DEV_MANUFACTURER) or (cur_dev.product != USB_DEV_PRODUCT): if cur_dev.manufacturer != USB_DEV_MANUFACTURER: g_Logger.error('Invalid manufacturer/product strings! (bus %u, address %u).' % (cur_dev.bus, cur_dev.address)) time.sleep(0.1) continue # Reset device. cur_dev.reset() # Set default device configuration, then get the active configuration descriptor. cur_dev.set_configuration() cfg = cur_dev.get_active_configuration() # Get default interface descriptor. intf = cfg[(0,0)] # Retrieve endpoints. g_usbEpIn = usb.util.find_descriptor(intf, custom_match=usb_ep_in_lambda) g_usbEpOut = usb.util.find_descriptor(intf, custom_match=usb_ep_out_lambda) if (g_usbEpIn is None) or (g_usbEpOut is None): g_Logger.error('Invalid endpoint addresses! (bus %u, address %u).' % (cur_dev.bus, cur_dev.address)) time.sleep(0.1) continue # Save endpoint max packet size and USB version. g_usbEpMaxPacketSize = g_usbEpIn.wMaxPacketSize usb_version = cur_dev.bcdUSB break g_tkCanvas.itemconfigure(g_tkTipMessage, state='normal', text=SERVER_STOP_MSG) g_Logger.debug('Successfully retrieved USB endpoints! (bus %u, address %u).' % (cur_dev.bus, cur_dev.address)) g_Logger.debug('Max packet size: 0x%X (USB %u.%u).\n' % (g_usbEpMaxPacketSize, usb_version >> 8, (usb_version & 0xFF) >> 4)) return True def usbRead(size, timeout=-1): rd = None try: # Convert read data to a bytes object for easier handling. rd = bytes(g_usbEpIn.read(size, timeout)) except: traceback.print_exc() g_Logger.error('\nUSB timeout triggered or console disconnected.') return rd def usbWrite(data, timeout=-1): wr = 0 try: wr = g_usbEpOut.write(data, timeout) except: traceback.print_exc() g_Logger.error('\nUSB timeout triggered or console disconnected.') return wr def usbSendStatus(code): status = struct.pack('<4sIH6p', USB_MAGIC_WORD, code, g_usbEpMaxPacketSize, b'') return usbWrite(status, USB_TRANSFER_TIMEOUT) == len(status) def usbHandleStartSession(cmd_block): global g_nxdtVersionMajor, g_nxdtVersionMinor, g_nxdtVersionMicro, g_nxdtAbiVersion g_Logger.debug('Received StartSession (%02X) command.' % (USB_CMD_START_SESSION)) # Parse command block. (g_nxdtVersionMajor, g_nxdtVersionMinor, g_nxdtVersionMicro, g_nxdtAbiVersion) = struct.unpack_from(' 0: info_str += (' | NSP header size: 0x%X' % (nsp_header_size)) info_str += '.' g_Logger.info(info_str) g_Logger.info('Filename: "%s".' % (filename)) # Perform integrity checks if (g_nspTransferMode == False) and (file_size > 0) and (nsp_header_size >= file_size): g_Logger.error('NSP header size must be smaller than the full NSP size!') return USB_STATUS_MALFORMED_CMD if (g_nspTransferMode == True) and (nsp_header_size > 0): g_Logger.error('Received non-zero NSP header size during NSP transfer mode!') return USB_STATUS_MALFORMED_CMD if (filename_length <= 0) or (filename_length > USB_FILE_PROPERTIES_MAX_NAME_LENGTH): g_Logger.error('Invalid filename length!') return USB_STATUS_MALFORMED_CMD # Enable NSP transfer mode (if needed). if (g_nspTransferMode == False) and (file_size > 0) and (nsp_header_size > 0): g_nspTransferMode = True g_nspSize = file_size g_nspRemainingSize = (file_size - nsp_header_size) g_nspHeaderSize = nsp_header_size g_nspFile = None g_nspFilePath = None g_Logger.debug('NSP transfer mode enabled!\n') # Perform additional integrity checks and get a file object to work with. if (g_nspTransferMode == False) or ((g_nspTransferMode == True) and (g_nspFile is None)): # Check if we're dealing with an absolute path. if filename[0] == '/': filename = filename[1:] # Replace all slashes with backslashes if we're running under Windows. if os.name == 'nt': filename = filename.replace('/', '\\') # Generate full, absolute path to the destination file. fullpath = os.path.abspath(g_outputDir + os.path.sep + filename) # Get parent directory path. dirpath = os.path.dirname(fullpath) # Create full directory tree. os.makedirs(dirpath, exist_ok=True) # Make sure the output filepath doesn't point to an existing directory. if (os.path.exists(fullpath) == True) and (os.path.isfile(fullpath) == False): utilsResetNspInfo() g_Logger.error('Output filepath points to an existing directory! ("%s").' % (fullpath)) return USB_STATUS_HOST_IO_ERROR # Make sure we have enough free space. (total_space, used_space, free_space) = shutil.disk_usage(dirpath) if free_space <= file_size: utilsResetNspInfo() g_Logger.error('Not enough free space available in output volume!') return USB_STATUS_HOST_IO_ERROR # Get file object. file = open(fullpath, "wb") if g_nspTransferMode == True: # Update NSP file object. g_nspFile = file # Update NSP file path. g_nspFilePath = fullpath # Write NSP header padding right away. file.write(b'\0' * g_nspHeaderSize) else: # Retrieve what we need using global variables. file = g_nspFile fullpath = g_nspFilePath dirpath = os.path.dirname(fullpath) # Check if we're dealing with an empty file or with the first SendFileProperties command from a NSP. if (file_size == 0) or ((g_nspTransferMode == True) and (file_size == g_nspSize)): # Close file (if needed). if g_nspTransferMode == False: file.close() # Let the command handler take care of sending the status response for us. return USB_STATUS_SUCCESS # Send status response before entering the data transfer stage. usbSendStatus(USB_STATUS_SUCCESS) # Start data transfer stage. g_Logger.info('Data transfer started. Saving %s to: "%s".' % (('file' if (g_nspTransferMode == False) else 'NSP file entry'), fullpath)) offset = 0 blksize = USB_TRANSFER_BLOCK_SIZE # Initialize progress bar. (unit, unit_divider) = utilsGetSizeUnitAndDivisor(file_size) total = (float(file_size) / unit_divider) idx = filename.rfind(os.path.sep) prefix_filename = (filename[idx+1:] if (idx >= 0) else filename) prefix = ('Current file: "%s".\n' % (prefix_filename)) prefix += 'Use your console to cancel the file transfer if you wish to do so.\n\n' bar_format = '{desc}{percentage:.2f}% - {n:.2f} / {total:.2f} {unit}\nElapsed time: {elapsed}. Remaining time: {remaining}.\nSpeed: {rate_fmt}.' pbar = ProgressBar(total, prefix, unit, bar_format, g_tkRoot, 'File transfer', False, uiHandleExitProtocolStub) def cancelTransfer(): # Cancel file transfer. file.close() os.remove(fullpath) utilsResetNspInfo() pbar.close() while offset < file_size: # Update block size (if needed). diff = (file_size - offset) if blksize > diff: blksize = diff # Handle Zero-Length Termination packet (if needed). if ((offset + blksize) >= file_size) and (utilsIsValueAlignedToEndpointPacketSize(blksize) == True): rd_size = (blksize + 1) else: rd_size = blksize # Read current chunk. chunk = usbRead(rd_size, USB_TRANSFER_TIMEOUT) if chunk == None: g_Logger.error('Failed to read 0x%X byte(s) long data chunk!' % (rd_size)) # Cancel file transfer. cancelTransfer() # Returning None will make the command handler exit right away. return None chunk_size = len(chunk) # Check if we're dealing with a CancelFileTransfer command. if chunk_size == USB_CMD_HEADER_SIZE: (magic, cmd_id, cmd_block_size) = struct.unpack_from('<4sII', chunk, 0) if (magic == USB_MAGIC_WORD) and (cmd_id == USB_CMD_CANCEL_FILE_TRANSFER): g_Logger.debug('\nReceived CancelFileTransfer (%02X) command.' % (USB_CMD_CANCEL_FILE_TRANSFER)) # Cancel file transfer. cancelTransfer() # Let the command handler take care of sending the status response for us. return USB_STATUS_SUCCESS # Write current chunk. file.write(chunk) file.flush() # Update current offset. offset = (offset + chunk_size) # Update remaining NSP data size. if g_nspTransferMode == True: g_nspRemainingSize = (g_nspRemainingSize - chunk_size) # Update progress bar once per second. pbar.update(float(chunk_size) / unit_divider) elapsed_time = round(time.time() - pbar.start) g_Logger.info('File transfer successfully completed in %s!\n' % (tqdm.format_interval(elapsed_time))) # Close progress bar pbar.close() # Close file handle (if needed). if g_nspTransferMode == False: file.close() return USB_STATUS_SUCCESS def usbHandleSendNspHeader(cmd_block): global g_nspTransferMode, g_nspHeaderSize, g_nspRemainingSize, g_nspFile, g_nspFilePath nsp_header_size = len(cmd_block) g_Logger.debug('Received SendNspHeader (%02X) command.' % (USB_CMD_SEND_NSP_HEADER)) # Integrity checks. if g_nspTransferMode == False: g_Logger.error('Received NSP header out of NSP transfer mode!') return USB_STATUS_MALFORMED_CMD if g_nspRemainingSize > 0: g_Logger.error('Received NSP header before receiving all NSP data! (missing 0x%X byte[s]).' % (g_nspRemainingSize)) return USB_STATUS_MALFORMED_CMD if nsp_header_size != g_nspHeaderSize: g_Logger.error('NSP header size mismatch! (0x%X != 0x%X).' % (nsp_header_size, g_nspHeaderSize)) return USB_STATUS_MALFORMED_CMD # Write NSP header. g_nspFile.seek(0) g_nspFile.write(cmd_block) g_nspFile.close() g_Logger.debug('Successfully wrote 0x%X byte-long NSP header to "%s".\n' % (nsp_header_size, g_nspFilePath)) # Disable NSP transfer mode. utilsResetNspInfo() return USB_STATUS_SUCCESS def usbHandleEndSession(cmd_block): g_Logger.debug('Received EndSession (%02X) command.' % (USB_CMD_END_SESSION)) return USB_STATUS_SUCCESS def usbCommandHandler(): # CancelFileTransfer is handled in usbHandleSendFileProperties(). cmd_dict = { USB_CMD_START_SESSION: usbHandleStartSession, USB_CMD_SEND_FILE_PROPERTIES: usbHandleSendFileProperties, USB_CMD_SEND_NSP_HEADER: usbHandleSendNspHeader, USB_CMD_END_SESSION: usbHandleEndSession } # Get device endpoints. if usbGetDeviceEndpoints() == False: # Update UI and return. uiToggleElements(True) return # Disable server button. g_tkServerButton.configure(state='disabled') # Reset NSP info. utilsResetNspInfo() while True: # Read command header. cmd_header = usbRead(USB_CMD_HEADER_SIZE) if (cmd_header is None) or (len(cmd_header) != USB_CMD_HEADER_SIZE): g_Logger.error('Failed to read 0x%X byte(s) long command header!' % (USB_CMD_HEADER_SIZE)) break # Parse command header. (magic, cmd_id, cmd_block_size) = struct.unpack_from('<4sII', cmd_header, 0) # Read command block right away (if needed). # nxdumptool expects us to read it right after sending the command header. cmd_block = None if cmd_block_size > 0: # Handle Zero-Length Termination packet (if needed). if utilsIsValueAlignedToEndpointPacketSize(cmd_block_size) == True: rd_size = (cmd_block_size + 1) else: rd_size = cmd_block_size cmd_block = usbRead(rd_size, USB_TRANSFER_TIMEOUT) if (cmd_block is None) or (len(cmd_block) != cmd_block_size): g_Logger.error('Failed to read 0x%X byte(s) long command block for command ID %02X!' % (cmd_block_size, cmd_id)) break # Verify magic word. if magic != USB_MAGIC_WORD: g_Logger.error('Received command header with invalid magic word!') usbSendStatus(USB_STATUS_INVALID_MAGIC_WORD) continue # Get command handler function. cmd_func = cmd_dict.get(cmd_id, None) if cmd_func is None: g_Logger.error('Received command header with unsupported ID %02X.' % (cmd_id)) usbSendStatus(USB_STATUS_UNSUPPORTED_CMD) continue # Verify command block size. if ((cmd_id == USB_CMD_START_SESSION) and (cmd_block_size != USB_CMD_BLOCK_SIZE_START_SESSION)) or \ ((cmd_id == USB_CMD_SEND_FILE_PROPERTIES) and (cmd_block_size != USB_CMD_BLOCK_SIZE_SEND_FILE_PROPERTIES)) or \ ((cmd_id == USB_CMD_SEND_NSP_HEADER) and (cmd_block_size == 0)): g_Logger.error('Invalid command block size for command ID %02X! (0x%X).' % (cmd_id, cmd_block_size)) usbSendStatus(USB_STATUS_MALFORMED_COMMAND) continue # Run command handler function. # Send status response afterwards. Bail out if requested. status = cmd_func(cmd_block) if (status == None) or (not usbSendStatus(status)) or (cmd_id == USB_CMD_END_SESSION) or (status == USB_STATUS_UNSUPPORTED_ABI_VERSION): break g_Logger.info('Stopping server.') # Update UI. uiToggleElements(True) def uiStopServer(): # Signal the shared stop event. g_stopEvent.set() def uiStartServer(): global g_outputDir g_outputDir = g_tkDirText.get('1.0', tk.END).strip() if not g_outputDir: # We should never reach this, honestly. messagebox.showerror('Error', 'You must provide an output directory!', parent=g_tkRoot) return # Make sure the full directory tree exists. try: os.makedirs(g_outputDir, exist_ok=True) except: traceback.print_exc() messagebox.showerror('Error', 'Unable to create full output directory tree!', parent=g_tkRoot) return # Update UI. uiToggleElements(False) # Create background server thread. server_thread = threading.Thread(target=usbCommandHandler, daemon=True) server_thread.start() def uiToggleElements(enable): if enable == True: g_tkRoot.protocol('WM_DELETE_WINDOW', uiHandleExitProtocol) g_tkChooseDirButton.configure(state='normal') g_tkServerButton.configure(text='Start server', command=uiStartServer, state='normal') g_tkCanvas.itemconfigure(g_tkTipMessage, state='hidden', text='') else: g_tkRoot.protocol('WM_DELETE_WINDOW', uiHandleExitProtocolStub) g_tkChooseDirButton.configure(state='disabled') g_tkServerButton.configure(text='Stop server', command=uiStopServer, state='normal') g_tkCanvas.itemconfigure(g_tkTipMessage, state='normal', text=SERVER_START_MSG) g_tkScrolledTextLog.configure(state='normal') g_tkScrolledTextLog.delete('1.0', tk.END) g_tkScrolledTextLog.configure(state='disabled') def uiChooseDirectory(): dir = filedialog.askdirectory(parent=g_tkRoot, title='Select an output directory', initialdir=INITIAL_DIR, mustexist=True) if dir: dir = os.path.abspath(dir) uiUpdateDirectoryField(dir) def uiUpdateDirectoryField(dir): g_tkDirText.configure(state='normal') g_tkDirText.delete('1.0', tk.END) g_tkDirText.insert('1.0', dir) g_tkDirText.configure(state='disabled') def uiHandleExitProtocol(): if messagebox.askokcancel('Message', 'Are you sure you want to exit?', parent=g_tkRoot): g_tkRoot.destroy() def uiHandleExitProtocolStub(): pass def uiHandleTabInput(event): event.widget.tk_focusNext().focus() return 'break' def uiHandleShiftTabInput(event): event.widget.tk_focusPrev().focus() return 'break' def uiScaleMeasure(measure): return round(float(measure) * SCALE) def main(): global SCALE, g_tkRoot, g_tkCanvas, g_tkDirText, g_tkChooseDirButton, g_tkServerButton, g_tkTipMessage, g_tkScrolledTextLog # Disable warnings. warnings.filterwarnings("ignore") # Get OS information. os_type = platform.system() os_version = platform.version() # Check if we're running under Windows Vista or later. dpi_aware = False win_vista = ((os_type == 'Windows') and (int(os_version[:os_version.find('.')]) >= 6)) if win_vista == True: try: # Enable high DPI scaling. dpi_aware = (ctypes.windll.user32.SetProcessDPIAware() == 1) if dpi_aware == False: dpi_aware = (ctypes.windll.shcore.SetProcessDpiAwareness(1) == 0) except: traceback.print_exc() # Create root Tkinter object. g_tkRoot = tk.Tk() # Get screen resolution. screen_width_px = g_tkRoot.winfo_screenwidth() screen_height_px = g_tkRoot.winfo_screenheight() # Get pixel density (DPI). screen_dpi = round(g_tkRoot.winfo_fpixels('1i')) # Update scaling factor (if needed). if (win_vista == True) and (dpi_aware == True): SCALE = (float(screen_dpi) / WINDOWS_SCALING_FACTOR) # Decode embedded icon and set it. try: icon_fp = io.BytesIO(base64.b64decode(APP_ICON)) icon_image = Image.open(fp=icon_fp, formats=['PNG']) icon_photo = ImageTk.PhotoImage(icon_image) g_tkRoot.wm_iconphoto(True, icon_photo) icon_image.close() icon_fp.close() except: traceback.print_exc() g_tkRoot.withdraw() messagebox.showerror('Error', 'Unable to decode embedded application icon!') g_tkRoot.destroy() return # Set window properties. g_tkRoot.resizable(False, False) g_tkRoot.title("{} host app v{}".format(USB_DEV_PRODUCT, APP_VERSION)) g_tkRoot.protocol('WM_DELETE_WINDOW', uiHandleExitProtocol) # Determine window size. window_width_px = uiScaleMeasure(WINDOW_WIDTH) window_height_px = uiScaleMeasure(WINDOW_HEIGHT) # Center window. pos_hor = int((screen_width_px / 2) - (window_width_px / 2)) pos_ver = int((screen_height_px / 2) - (window_height_px / 2)) g_tkRoot.geometry("+{}+{}".format(pos_hor, pos_ver)) # Create canvas and fill it with window elements. g_tkCanvas = tk.Canvas(g_tkRoot, width=window_width_px, height=window_height_px) g_tkCanvas.pack() g_tkCanvas.create_text(uiScaleMeasure(60), uiScaleMeasure(30), text='Output directory:', anchor=tk.CENTER) g_tkDirText = tk.Text(g_tkRoot, height=1, width=45, font=font.nametofont('TkDefaultFont'), wrap='none', state='disabled', bg='#F0F0F0') uiUpdateDirectoryField(DEFAULT_DIR) g_tkCanvas.create_window(uiScaleMeasure(260), uiScaleMeasure(30), window=g_tkDirText, anchor=tk.CENTER) g_tkChooseDirButton = tk.Button(g_tkRoot, text='Choose', width=10, command=uiChooseDirectory) g_tkCanvas.create_window(uiScaleMeasure(450), uiScaleMeasure(30), window=g_tkChooseDirButton, anchor=tk.CENTER) g_tkServerButton = tk.Button(g_tkRoot, text='Start server', width=15, command=uiStartServer) g_tkCanvas.create_window(uiScaleMeasure(WINDOW_WIDTH / 2), uiScaleMeasure(70), window=g_tkServerButton, anchor=tk.CENTER) g_tkTipMessage = g_tkCanvas.create_text(uiScaleMeasure(WINDOW_WIDTH / 2), uiScaleMeasure(100), anchor=tk.CENTER) g_tkCanvas.itemconfigure(g_tkTipMessage, state='hidden', text='') g_tkScrolledTextLog = scrolledtext.ScrolledText(g_tkRoot, height=20, width=65, font=font.nametofont('TkDefaultFont'), wrap=tk.WORD, state='disabled') g_tkScrolledTextLog.tag_config('INFO', foreground='black') g_tkScrolledTextLog.tag_config('DEBUG', foreground='gray') g_tkScrolledTextLog.tag_config('WARNING', foreground='orange') g_tkScrolledTextLog.tag_config('ERROR', foreground='red') g_tkScrolledTextLog.tag_config('CRITICAL', foreground='red', underline=1) g_tkCanvas.create_window(uiScaleMeasure(WINDOW_WIDTH / 2), uiScaleMeasure(280), window=g_tkScrolledTextLog, anchor=tk.CENTER) g_tkCanvas.create_text(uiScaleMeasure(5), uiScaleMeasure(WINDOW_HEIGHT - 10), text="Copyright (c) {}, {}".format(COPYRIGHT_YEAR, USB_DEV_MANUFACTURER), anchor=tk.W) # Configure logging mechanism. logging.basicConfig(level=logging.DEBUG) if len(g_Logger.handlers) > 0: log_stderr = g_Logger.handlers[0] g_Logger.removeHandler(log_stderr) # Initialize console g_Logger. console = LogConsole(g_tkScrolledTextLog) # Enter Tkinter main loop. g_tkRoot.mainloop() if __name__ == "__main__": try: main() except KeyboardInterrupt: pass