Move all clipboard code into a thread
This commit is contained in:
AuroraWright
215
owocr/run.py
215
owocr/run.py
@@ -50,12 +50,51 @@ except ImportError:
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pass
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class WindowsClipboardThread(threading.Thread):
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class ClipboardThread(threading.Thread):
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def __init__(self):
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super().__init__(daemon=True)
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self.ignore_flag = config.get_general('ignore_flag')
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self.delay_secs = config.get_general('delay_secs')
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self.last_update = time.time()
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def are_images_identical(self, img1, img2):
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if None in (img1, img2):
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return img1 == img2
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img1 = np.array(img1)
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img2 = np.array(img2)
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return (img1.shape == img2.shape) and (img1 == img2).all()
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def normalize_macos_clipboard(self, img):
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ns_data = NSData.dataWithBytes_length_(img, len(img))
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ns_image = NSImage.alloc().initWithData_(ns_data)
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new_image = NSBitmapImageRep.alloc().initWithBitmapDataPlanes_pixelsWide_pixelsHigh_bitsPerSample_samplesPerPixel_hasAlpha_isPlanar_colorSpaceName_bytesPerRow_bitsPerPixel_(
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None, # Set to None to create a new bitmap
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int(ns_image.size().width),
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int(ns_image.size().height),
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8, # Bits per sample
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4, # Samples per pixel (R, G, B, A)
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True, # Has alpha
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False, # Is not planar
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NSDeviceRGBColorSpace,
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0, # Automatically compute bytes per row
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32 # Bits per pixel (8 bits per sample * 4 samples per pixel)
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)
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context = NSGraphicsContext.graphicsContextWithBitmapImageRep_(new_image)
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NSGraphicsContext.setCurrentContext_(context)
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ns_image.drawAtPoint_fromRect_operation_fraction_(
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NSZeroPoint,
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NSZeroRect,
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NSCompositingOperationCopy,
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1.0
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)
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return new_image.TIFFRepresentation()
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def process_message(self, hwnd: int, msg: int, wparam: int, lparam: int):
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WM_CLIPBOARDUPDATE = 0x031D
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timestamp = time.time()
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@@ -91,10 +130,58 @@ class WindowsClipboardThread(threading.Thread):
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return win32gui.CreateWindow(class_atom, className, 0, 0, 0, 0, 0, 0, 0, wc.hInstance, None)
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def run(self):
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if sys.platform == 'win32':
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hwnd = self.create_window()
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self.thread_id = win32api.GetCurrentThreadId()
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ctypes.windll.user32.AddClipboardFormatListener(hwnd)
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win32gui.PumpMessages()
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else:
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is_macos = sys.platform == 'darwin'
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if is_macos:
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from AppKit import NSPasteboard, NSPasteboardTypeTIFF, NSPasteboardTypeString
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pasteboard = NSPasteboard.generalPasteboard()
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count = pasteboard.changeCount()
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else:
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from PIL import ImageGrab
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global just_unpaused
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just_unpaused = True
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img = None
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while not terminated:
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if paused:
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sleep_time = 0.5
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else:
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sleep_time = self.delay_secs
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if is_macos:
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with objc.autorelease_pool():
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old_count = count
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count = pasteboard.changeCount()
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if not just_unpaused and count != old_count:
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while len(pasteboard.types()) == 0:
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time.sleep(0.1)
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if NSPasteboardTypeTIFF in pasteboard.types():
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clipboard_text = ''
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if NSPasteboardTypeString in pasteboard.types():
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clipboard_text = pasteboard.stringForType_(NSPasteboardTypeString)
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if self.ignore_flag or clipboard_text != '*ocr_ignore*':
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img = self.normalize_macos_clipboard(pasteboard.dataForType_(NSPasteboardTypeTIFF))
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clipboard_queue.put(img)
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else:
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old_img = img
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try:
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img = ImageGrab.grabclipboard()
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except Exception:
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pass
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else:
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if ((not just_unpaused) and isinstance(img, Image.Image) and \
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(self.ignore_flag or pyperclipfix.paste() != '*ocr_ignore*') and \
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(not self.are_images_identical(img, old_img))):
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clipboard_queue.put(img)
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just_unpaused = False
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if not terminated:
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time.sleep(sleep_time)
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class WebsocketServerThread(threading.Thread):
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@@ -507,46 +594,6 @@ def on_window_minimized(minimized):
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screencapture_window_visible = not minimized
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def normalize_macos_clipboard(img):
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ns_data = NSData.dataWithBytes_length_(img, len(img))
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ns_image = NSImage.alloc().initWithData_(ns_data)
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new_image = NSBitmapImageRep.alloc().initWithBitmapDataPlanes_pixelsWide_pixelsHigh_bitsPerSample_samplesPerPixel_hasAlpha_isPlanar_colorSpaceName_bytesPerRow_bitsPerPixel_(
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None, # Set to None to create a new bitmap
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int(ns_image.size().width),
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int(ns_image.size().height),
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8, # Bits per sample
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4, # Samples per pixel (R, G, B, A)
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True, # Has alpha
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False, # Is not planar
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NSDeviceRGBColorSpace,
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0, # Automatically compute bytes per row
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32 # Bits per pixel (8 bits per sample * 4 samples per pixel)
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)
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context = NSGraphicsContext.graphicsContextWithBitmapImageRep_(new_image)
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NSGraphicsContext.setCurrentContext_(context)
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ns_image.drawAtPoint_fromRect_operation_fraction_(
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NSZeroPoint,
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NSZeroRect,
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NSCompositingOperationCopy,
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1.0
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)
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return new_image.TIFFRepresentation()
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def are_images_identical(img1, img2):
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if None in (img1, img2):
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return img1 == img2
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img1 = np.array(img1)
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img2 = np.array(img2)
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return (img1.shape == img2.shape) and (img1 == img2).all()
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def process_and_write_results(img_or_path, last_result, filtering):
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if auto_pause_handler:
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auto_pause_handler.stop()
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@@ -628,19 +675,16 @@ def run():
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global engine_index
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global terminated
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global paused
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global just_unpaused
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global notifier
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global auto_pause_handler
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read_from = config.get_general('read_from')
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write_to = config.get_general('write_to')
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terminated = False
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paused = config.get_general('pause_at_startup')
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just_unpaused = True
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auto_pause = config.get_general('auto_pause')
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auto_pause_handler = None
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engine_index = engine_keys.index(default_engine) if default_engine != '' else 0
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engine_color = config.get_general('engine_color')
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delay_secs = config.get_general('delay_secs')
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combo_pause = config.get_general('combo_pause')
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combo_engine_switch = config.get_general('combo_engine_switch')
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notifier = DesktopNotifierSync()
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@@ -680,25 +724,10 @@ def run():
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unix_socket_server_thread.start()
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read_from_readable = 'unix socket'
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elif read_from == 'clipboard':
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ignore_flag = config.get_general('ignore_flag')
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macos_clipboard_polling = False
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windows_clipboard_polling = False
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img = None
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if sys.platform == 'darwin':
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from AppKit import NSPasteboard, NSPasteboardTypeTIFF, NSPasteboardTypeString
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pasteboard = NSPasteboard.generalPasteboard()
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count = pasteboard.changeCount()
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macos_clipboard_polling = True
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elif sys.platform == 'win32':
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global clipboard_queue
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clipboard_queue = queue.Queue()
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windows_clipboard_thread = WindowsClipboardThread()
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windows_clipboard_thread.start()
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windows_clipboard_polling = True
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else:
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from PIL import ImageGrab
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clipboard_thread = ClipboardThread()
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clipboard_thread.start()
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read_from_readable = 'clipboard'
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elif read_from == 'screencapture':
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screen_capture_area = config.get_general('screen_capture_area')
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@@ -824,6 +853,7 @@ def run():
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filtering = TextFiltering()
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read_from_readable = 'screen capture'
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else:
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delay_secs = config.get_general('delay_secs')
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delete_images = config.get_general('delete_images')
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read_from = Path(read_from)
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@@ -855,6 +885,7 @@ def run():
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logger.opt(ansi=True).info(f"Reading from {read_from_readable}, writing to {write_to_readable} using <{engine_color}>{engine_instances[engine_index].readable_name}</{engine_color}>{' (paused)' if paused else ''}")
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while not terminated:
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sleep_time = 0
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if read_from == 'websocket':
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while True:
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try:
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@@ -875,59 +906,22 @@ def run():
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img = Image.open(io.BytesIO(item))
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process_and_write_results(img, None, None)
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elif read_from == 'clipboard':
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process_clipboard = False
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if windows_clipboard_polling:
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while True:
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try:
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item = clipboard_queue.get(timeout=0.5)
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except queue.Empty:
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break
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else:
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img = Image.open(io.BytesIO(item))
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process_clipboard = True
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elif macos_clipboard_polling:
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if not paused:
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with objc.autorelease_pool():
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old_count = count
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count = pasteboard.changeCount()
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if not just_unpaused and count != old_count:
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while len(pasteboard.types()) == 0:
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time.sleep(0.1)
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if NSPasteboardTypeTIFF in pasteboard.types():
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clipboard_text = ''
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if NSPasteboardTypeString in pasteboard.types():
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clipboard_text = pasteboard.stringForType_(NSPasteboardTypeString)
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if ignore_flag or clipboard_text != '*ocr_ignore*':
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img = normalize_macos_clipboard(pasteboard.dataForType_(NSPasteboardTypeTIFF))
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img = Image.open(io.BytesIO(img))
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process_clipboard = True
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else:
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if not paused:
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old_img = img
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try:
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img = ImageGrab.grabclipboard()
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except Exception:
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pass
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else:
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if ((not just_unpaused) and isinstance(img, Image.Image) and \
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(ignore_flag or pyperclipfix.paste() != '*ocr_ignore*') and \
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(not are_images_identical(img, old_img))):
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process_clipboard = True
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if process_clipboard:
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img = item if isinstance(item, Image.Image) else Image.open(io.BytesIO(item))
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process_and_write_results(img, None, None)
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just_unpaused = False
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if not windows_clipboard_polling:
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time.sleep(delay_secs)
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elif read_from == 'screencapture':
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if screen_capture_on_combo:
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take_screenshot = screenshot_event.wait(delay_secs)
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take_screenshot = screenshot_event.wait(0.5)
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if take_screenshot:
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screenshot_event.clear()
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else:
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take_screenshot = screencapture_window_active and not paused
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sleep_time = 0.5
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if take_screenshot and screencapture_window_visible:
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if screencapture_mode == 2:
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@@ -982,13 +976,9 @@ def run():
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res = process_and_write_results(img, last_result, filtering)
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if res:
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last_result = (res, engine_index)
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delay = screen_capture_delay_secs
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else:
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delay = delay_secs
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if not screen_capture_on_combo:
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time.sleep(delay)
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sleep_time = screen_capture_delay_secs
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else:
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sleep_time = delay_secs
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for path in read_from.iterdir():
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if path.suffix.lower() in allowed_extensions:
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path_key = get_path_key(path)
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@@ -1006,15 +996,16 @@ def run():
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img.close()
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if delete_images:
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Path.unlink(path)
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time.sleep(delay_secs)
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if not terminated:
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time.sleep(sleep_time)
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if read_from == 'websocket' or write_to == 'websocket':
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websocket_server_thread.stop_server()
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websocket_server_thread.join()
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if read_from == 'clipboard' and windows_clipboard_polling:
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win32api.PostThreadMessage(windows_clipboard_thread.thread_id, win32con.WM_QUIT, 0, 0)
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windows_clipboard_thread.join()
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if read_from == 'clipboard':
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if sys.platform == 'win32':
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win32api.PostThreadMessage(clipboard_thread.thread_id, win32con.WM_QUIT, 0, 0)
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clipboard_thread.join()
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elif read_from == 'screencapture' and screencapture_mode == 2:
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if sys.platform == 'darwin':
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if screen_capture_only_active_windows:
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