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How to use map_scan_code method in keyboard

Best Python code snippet using keyboard

_darwinkeyboard.py

Source:_darwinkeyboard.py

...312        if character in self.media_keys:313            return (128+self.media_keys[character],[])314        else:315            return self.key_map.character_to_vk(character)316    def map_scan_code(self, scan_code):317        if scan_code >= 128:318            character = [k for k, v in enumerate(self.media_keys) if v == scan_code-128]319            if len(character):320                return character[0]321            return None322        else:323            return self.key_map.vk_to_character(scan_code)324class KeyEventListener(object):325    def __init__(self, callback, blocking=False):326        self.blocking = blocking327        self.callback = callback328        self.listening = True329        self.tap = None330    def run(self):331        """ Creates a listener and loops while waiting for an event. Intended to run as332        a background thread. """333        self.tap = Quartz.CGEventTapCreate(334            Quartz.kCGSessionEventTap,335            Quartz.kCGHeadInsertEventTap,336            Quartz.kCGEventTapOptionDefault,337            Quartz.CGEventMaskBit(Quartz.kCGEventKeyDown) |338            Quartz.CGEventMaskBit(Quartz.kCGEventKeyUp) |339            Quartz.CGEventMaskBit(Quartz.kCGEventFlagsChanged),340            self.handler,341            None)342        loopsource = Quartz.CFMachPortCreateRunLoopSource(None, self.tap, 0)343        loop = Quartz.CFRunLoopGetCurrent()344        Quartz.CFRunLoopAddSource(loop, loopsource, Quartz.kCFRunLoopDefaultMode)345        Quartz.CGEventTapEnable(self.tap, True)346        while self.listening:347            Quartz.CFRunLoopRunInMode(Quartz.kCFRunLoopDefaultMode, 5, False)348    def handler(self, proxy, e_type, event, refcon):349        scan_code = Quartz.CGEventGetIntegerValueField(event, Quartz.kCGKeyboardEventKeycode)350        key_name = name_from_scancode(scan_code)351        flags = Quartz.CGEventGetFlags(event)352        event_type = ""353        is_keypad = (flags & Quartz.kCGEventFlagMaskNumericPad)354        if e_type == Quartz.kCGEventKeyDown:355            event_type = "down"356        elif e_type == Quartz.kCGEventKeyUp:357            event_type = "up"358        elif e_type == Quartz.kCGEventFlagsChanged:359            if key_name.endswith("shift") and (flags & Quartz.kCGEventFlagMaskShift):360                event_type = "down"361            elif key_name == "caps lock" and (flags & Quartz.kCGEventFlagMaskAlphaShift):362                event_type = "down"363            elif (key_name.endswith("option") or key_name.endswith("alt")) and (flags & Quartz.kCGEventFlagMaskAlternate):364                event_type = "down"365            elif key_name == "ctrl" and (flags & Quartz.kCGEventFlagMaskControl):366                event_type = "down"367            elif key_name == "command" and (flags & Quartz.kCGEventFlagMaskCommand):368                event_type = "down"369            else:370                event_type = "up"371        if self.blocking:372            return None373        self.callback(KeyboardEvent(event_type, scan_code, name=key_name, is_keypad=is_keypad))374        return event375key_controller = KeyController()376""" Exported functions below """377def init():378    key_controller = KeyController()379def press(scan_code):380    """ Sends a 'down' event for the specified scan code """381    key_controller.press(scan_code)382def release(scan_code):383    """ Sends an 'up' event for the specified scan code """384    key_controller.release(scan_code)385def map_name(name):386    """ Returns a tuple of (scan_code, modifiers) where ``scan_code`` is a numeric scan code 387    and ``modifiers`` is an array of string modifier names (like 'shift') """388    yield key_controller.map_char(name)389def name_from_scancode(scan_code):390    """ Returns the name or character associated with the specified key code """391    return key_controller.map_scan_code(scan_code)392def listen(callback):393    if not os.geteuid() == 0:394        raise OSError("Error 13 - Must be run as administrator")395    KeyEventListener(callback).run()396def type_unicode(character):397    OUTPUT_SOURCE = Quartz.CGEventSourceCreate(Quartz.kCGEventSourceStateHIDSystemState)398    # Key down399    event = Quartz.CGEventCreateKeyboardEvent(OUTPUT_SOURCE, 0, True)400    Quartz.CGEventKeyboardSetUnicodeString(event, len(character.encode('utf-16-le')) // 2, character)401    Quartz.CGEventPost(Quartz.kCGSessionEventTap, event)402    # Key up403    event = Quartz.CGEventCreateKeyboardEvent(OUTPUT_SOURCE, 0, False)404    Quartz.CGEventKeyboardSetUnicodeString(event, len(character.encode('utf-16-le')) // 2, character)405    Quartz.CGEventPost(Quartz.kCGSessionEventTap, event)

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