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532 lines
17 KiB
532 lines
17 KiB
# -*- coding: utf-8 -*-
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# GUI Application automation and testing library
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# Copyright (C) 2006-2018 Mark Mc Mahon and Contributors
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# https://github.com/pywinauto/pywinauto/graphs/contributors
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# http://pywinauto.readthedocs.io/en/latest/credits.html
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice, this
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# list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright notice,
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# this list of conditions and the following disclaimer in the documentation
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# and/or other materials provided with the distribution.
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#
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# * Neither the name of pywinauto nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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"""Linux/Unix branch of the keyboard module
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It allows to send keystrokes to the active display using python-xlib library.
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"""
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from __future__ import print_function
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from Xlib.display import Display
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from Xlib import X
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from Xlib.ext.xtest import fake_input
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import Xlib.XK
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import time
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import six
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_display = Display()
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DEBUG = 0
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spec_keysyms = {
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' ': "space",
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'\t': "Tab",
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'\n': "Return", # for some reason this needs to be cr, not lf
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'\r': "Return",
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'\e': "Escape",
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'!': "exclam",
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'#': "numbersign",
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'%': "percent",
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'$': "dollar",
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'&': "ampersand",
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'"': "quotedbl",
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'\'': "apostrophe",
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'(': "parenleft",
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')': "parenright",
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'*': "asterisk",
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'=': "equal",
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'+': "plus",
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',': "comma",
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'-': "minus",
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'.': "period",
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'/': "slash",
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':': "colon",
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';': "semicolon",
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'<': "less",
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'>': "greater",
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'?': "question",
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'@': "at",
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'[': "bracketleft",
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']': "bracketright",
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'\\': "backslash",
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'^': "asciicircum",
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'_': "underscore",
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'`': "grave",
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'{': "braceleft",
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'|': "bar",
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'}': "braceright",
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'~': "asciitilde"
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}
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def _to_keycode(key):
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"""return python X11 keycode of symbol"""
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return _display.keysym_to_keycode(Xlib.XK.string_to_keysym(key))
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INPUT_KEYBOARD = 1
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KEYEVENTF_EXTENDEDKEY = 1
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KEYEVENTF_KEYUP = 2
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KEYEVENTF_UNICODE = 4
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KEYEVENTF_SCANCODE = 8
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VK_SHIFT = _to_keycode('Shift_L')
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VK_CONTROL = _to_keycode('Control_L')
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VK_MENU = _to_keycode('Menu')
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# 'codes' recognized as {CODE repeat)?}
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CODES = {
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'BACK': _to_keycode('BackSpace'),
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'BACKSPACE': _to_keycode('BackSpace'),
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'BKSP': _to_keycode('BackSpace'),
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'BREAK': _to_keycode('Break'),
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'BS': _to_keycode('BackSpace'),
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'CAP': _to_keycode('Caps_Lock'),
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'CAPSLOCK': _to_keycode('Caps_Lock'),
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'DEL': _to_keycode('Delete'),
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'DELETE': _to_keycode('Delete'),
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'DOWN': _to_keycode('Down'),
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'END': _to_keycode('End'),
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'ENTER': _to_keycode('Return'),
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'ESC': _to_keycode('Escape'),
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'F1': _to_keycode('F1'),
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'F2': _to_keycode('F2'),
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'F3': _to_keycode('F3'),
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'F4': _to_keycode('F4'),
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'F5': _to_keycode('F5'),
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'F6': _to_keycode('F6'),
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'F7': _to_keycode('F7'),
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'F8': _to_keycode('F8'),
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'F9': _to_keycode('F9'),
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'F10': _to_keycode('F10'),
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'F11': _to_keycode('F11'),
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'F12': _to_keycode('F12'),
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'F13': _to_keycode('F13'),
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'F14': _to_keycode('F14'),
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'F15': _to_keycode('F15'),
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'F16': _to_keycode('F16'),
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'F17': _to_keycode('F17'),
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'F18': _to_keycode('F18'),
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'F19': _to_keycode('F19'),
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'F20': _to_keycode('F20'),
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'F21': _to_keycode('F21'),
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'F22': _to_keycode('F22'),
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'F23': _to_keycode('F23'),
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'F24': _to_keycode('F24'),
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'HELP': _to_keycode('Help'),
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'HOME': _to_keycode('Home'),
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'INS': _to_keycode('Insert'),
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'INSERT': _to_keycode('Insert'),
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'LEFT': _to_keycode('Left'),
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'LWIN': _to_keycode('Super_L'),
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'NUMLOCK': _to_keycode('Num_Lock'),
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'PGDN': _to_keycode('Page_Down'),
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'PGUP': _to_keycode('Page_Up'),
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'PRTSC': _to_keycode('Print'),
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'RIGHT': _to_keycode('Right'),
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'RMENU': _to_keycode('Alt_R'),
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'RWIN': _to_keycode('Super_R'),
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'SCROLLLOCK': _to_keycode('Scroll_Lock'),
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'SPACE': _to_keycode('space'),
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'TAB': _to_keycode('Tab'),
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'UP': _to_keycode('Up'),
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'VK_ACCEPT': 30,
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'VK_ADD': 107,
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'VK_APPS': 93,
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'VK_ATTN': 246,
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'VK_BACK': _to_keycode('BackSpace'),
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'VK_CANCEL': _to_keycode('Break'),
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'VK_CAPITAL': _to_keycode('Caps_Lock'),
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'VK_CLEAR': 12,
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'VK_CONTROL': _to_keycode('Control_L'),
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'VK_CONVERT': 28,
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'VK_CRSEL': 247,
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'VK_DECIMAL': 110,
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'VK_DELETE': _to_keycode('Delete'),
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'VK_DIVIDE': 111,
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'VK_DOWN': _to_keycode('Down'),
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'VK_END': _to_keycode('End'),
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'VK_EREOF': 249,
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'VK_ESCAPE': _to_keycode('Escape'),
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'VK_EXECUTE': 43,
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'VK_EXSEL': 248,
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'VK_F1': _to_keycode('F1'),
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'VK_F2': _to_keycode('F2'),
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'VK_F3': _to_keycode('F3'),
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'VK_F4': _to_keycode('F4'),
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'VK_F5': _to_keycode('F5'),
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'VK_F6': _to_keycode('F6'),
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'VK_F7': _to_keycode('F7'),
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'VK_F8': _to_keycode('F8'),
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'VK_F9': _to_keycode('F9'),
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'VK_F10': _to_keycode('F10'),
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'VK_F11': _to_keycode('F11'),
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'VK_F12': _to_keycode('F12'),
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'VK_F13': _to_keycode('F13'),
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'VK_F14': _to_keycode('F14'),
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'VK_F15': _to_keycode('F15'),
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'VK_F16': _to_keycode('F16'),
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'VK_F17': _to_keycode('F17'),
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'VK_F18': _to_keycode('F18'),
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'VK_F19': _to_keycode('F19'),
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'VK_F20': _to_keycode('F20'),
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'VK_F21': _to_keycode('F21'),
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'VK_F22': _to_keycode('F22'),
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'VK_F23': _to_keycode('F23'),
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'VK_F24': _to_keycode('F24'),
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'VK_FINAL': 24,
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'VK_HANGEUL': 21,
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'VK_HANGUL': 21,
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'VK_HANJA': 25,
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'VK_HELP': _to_keycode('Help'),
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'VK_HOME': _to_keycode('Home'),
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'VK_INSERT': _to_keycode('Insert'),
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'VK_JUNJA': 23,
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'VK_KANA': 21,
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'VK_KANJI': 25,
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'VK_LBUTTON': 1,
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'VK_LCONTROL': _to_keycode('Control_L'),
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'VK_LEFT': _to_keycode('Left'),
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'VK_LMENU': _to_keycode('Alt_L'),
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'VK_LSHIFT': _to_keycode('Shift_L'),
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'VK_LWIN': _to_keycode('Super_L'),
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'VK_MBUTTON': 4,
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'VK_MENU': _to_keycode('Alt_L'),
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'VK_MODECHANGE': 31,
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'VK_MULTIPLY': 106,
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'VK_NEXT': _to_keycode('Page_Down'),
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'VK_NONAME': 252,
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'VK_NONCONVERT': 29,
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'VK_NUMLOCK': _to_keycode('Num_Lock'),
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'VK_NUMPAD0': _to_keycode('KP_0'),
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'VK_NUMPAD1': _to_keycode('KP_1'),
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'VK_NUMPAD2': _to_keycode('KP_2'),
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'VK_NUMPAD3': _to_keycode('KP_3'),
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'VK_NUMPAD4': _to_keycode('KP_4'),
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'VK_NUMPAD5': _to_keycode('KP_5'),
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'VK_NUMPAD6': _to_keycode('KP_6'),
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'VK_NUMPAD7': _to_keycode('KP_7'),
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'VK_NUMPAD8': _to_keycode('KP_8'),
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'VK_NUMPAD9': _to_keycode('KP_9'),
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'VK_OEM_CLEAR': 254,
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'VK_PA1': 253,
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'VK_PAUSE': 19,
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'VK_PLAY': 250,
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'VK_PRINT': _to_keycode('Print'),
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'VK_PRIOR': _to_keycode('Page_Up'),
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'VK_PROCESSKEY': 229,
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'VK_RBUTTON': 2,
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'VK_RCONTROL': _to_keycode('Control_R'),
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'VK_RETURN': _to_keycode('Return'),
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'VK_RIGHT': _to_keycode('Right'),
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'VK_RMENU': _to_keycode('Alt_R'),
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'VK_RSHIFT': _to_keycode('Shift_R'),
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'VK_RWIN': _to_keycode('Super_R'),
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'VK_SCROLL': _to_keycode('Scroll_Lock'),
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'VK_SELECT': 41,
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'VK_SEPARATOR': 108,
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'VK_SHIFT': _to_keycode('Shift_L'),
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'VK_SNAPSHOT': _to_keycode('Print'),
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'VK_SPACE': _to_keycode('Space'),
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'VK_SUBTRACT': 109,
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'VK_TAB': _to_keycode('Tab'),
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'VK_UP': _to_keycode('Up'),
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'ZOOM': 251, #no item in xlib
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}
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# modifier keys
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MODIFIERS = {
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'+': VK_SHIFT,
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'^': VK_CONTROL,
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'%': VK_MENU,
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}
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class KeySequenceError(Exception):
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"""Exception raised when a key sequence string has a syntax error"""
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def __str__(self):
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return ' '.join(self.args)
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class KeyAction(object):
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"""
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Class that represents a single 'keyboard' action
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It represents either a PAUSE action (not reallly keyboard) or a keyboard
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action (press or release or both) of a particular key.
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"""
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def __init__(self, key, down = True, up = True):
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"""Init a single key action params"""
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self.key = key
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self.down = down
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self.up = up
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self.ctrl = False
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self.alt = False
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self.shift = False
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self.is_shifted = False
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@staticmethod
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def _key_modifiers(ctrl, shift, alt, action = X.KeyPress):
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"""Apply key modifiers"""
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if ctrl:
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fake_input(_display, action, CODES['VK_CONTROL'])
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if shift:
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fake_input(_display, action, CODES['VK_SHIFT'])
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if alt:
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fake_input(_display, action, CODES['VK_MENU'])
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def run(self):
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"""Do a single keyboard action using xlib"""
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if isinstance(self.key, six.string_types):
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key = self.key
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self.key = Xlib.XK.string_to_keysym(self.key)
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if self.key == 0:
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self.key = Xlib.XK.string_to_keysym(spec_keysyms[key])
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self.key = _display.keysym_to_keycode(self.key)
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if self.key == 0:
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raise RuntimeError('Key {} not found!'.format(self.key))
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self.is_shifted = key.isupper() or key in '~!@#$%^&*()_+{}|:"<>?'
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elif not isinstance(self.key, six.integer_types):
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raise TypeError('self.key = {} is not a string or integer'.format(self.key))
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self._key_modifiers(self.ctrl, (self.shift or self.is_shifted),
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self.alt, action = X.KeyPress)
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if self.down:
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fake_input(_display, X.KeyPress, self.key)
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_display.sync()
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if self.up:
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fake_input(_display, X.KeyRelease, self.key)
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_display.sync()
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self._key_modifiers(self.ctrl, (self.shift or self.is_shifted),
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self.alt, action = X.KeyRelease)
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_display.sync()
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def _get_down_up_string(self):
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"""Return a string that will show whether the string is up or down
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return 'down' if the key is a press only
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return 'up' if the key is up only
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return '' if the key is up & down (as default)
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"""
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if self.down and self.up:
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return ""
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if self.down:
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return "down"
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if self.up:
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return "up"
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return "" # TODO: raise RuntimeError('Nor "down" or "up" action specified!')
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def key_description(self):
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"""Return a description of the key"""
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return "{}".format(self.key)
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def __str__(self):
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"""Return key with modifiers as a string"""
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parts = []
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parts.append(self.key_description())
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up_down = self._get_down_up_string()
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if up_down:
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parts.append(up_down)
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return "<{}>".format(" ".join(parts))
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__repr__ = __str__
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class PauseAction(KeyAction):
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"""Represents a pause action"""
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def __init__(self, how_long):
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self.how_long = how_long
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def run(self):
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"""Pause for the lenght of time specified"""
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time.sleep(self.how_long)
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def __str__(self):
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return "<PAUSE {}>".format(self.how_long)
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__repr__ = __str__
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def handle_code(code):
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"""Handle a key or sequence of keys in braces"""
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code_keys = []
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# it is a known code (e.g. {DOWN}, {ENTER}, etc)
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if code in CODES:
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code_keys.append(KeyAction(CODES[code]))
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# it is an escaped modifier e.g. {%}, {^}, {+}
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elif len(code) == 1:
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code_keys.append(KeyAction(code))
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# it is a repetition or a pause {DOWN 5}, {PAUSE 1.3}
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elif ' ' in code:
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to_repeat, count = code.rsplit(None, 1)
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if to_repeat == "PAUSE":
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try:
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pause_time = float(count)
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except ValueError:
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raise KeySequenceError('invalid pause time {}'.format(count))
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code_keys.append(PauseAction(pause_time))
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else:
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try:
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count = int(count)
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except ValueError:
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raise KeySequenceError(
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'invalid repetition count {}'.format(count))
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# If the value in to_repeat is a VK e.g. DOWN
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# we need to add the code repeated
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if to_repeat in CODES:
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code_keys.extend(
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[KeyAction(CODES[to_repeat])] * count)
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# otherwise parse the keys and we get back a KeyAction
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else:
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to_repeat = parse_keys(to_repeat)
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if isinstance(to_repeat, list):
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keys = to_repeat * count
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else:
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keys = [to_repeat] * count
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code_keys.extend(keys)
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else:
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raise RuntimeError("Unknown code: {}".format(code))
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return code_keys
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def parse_keys(string,
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with_spaces = False,
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with_tabs = False,
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with_newlines = False,
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modifiers = None):
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"""Return the parsed keys"""
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keys = []
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if not modifiers:
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modifiers = []
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index = 0
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while index < len(string):
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c = string[index]
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index += 1
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# check if one of CTRL, SHIFT, ALT has been pressed
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if c in MODIFIERS.keys():
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# remember that we are currently modified
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modifiers.append(c)
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# hold down the modifier key
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#keys.append(KeyAction(modifier, up = False))
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if DEBUG:
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print("MODS+", modifiers)
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continue
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# Apply modifiers over a bunch of characters (not just one!)
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elif c == "(":
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# find the end of the bracketed text
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end_pos = string.find(")", index)
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if end_pos == -1:
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raise KeySequenceError('`)` not found')
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keys.extend(
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parse_keys(string[index:end_pos], modifiers = modifiers))
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index = end_pos + 1
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# Escape or named key
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elif c == "{":
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# We start searching from index + 1 to account for the case {}}
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end_pos = string.find("}", index+1)
|
|
if end_pos == -1:
|
|
raise KeySequenceError('`}` not found')
|
|
|
|
code = string[index:end_pos]
|
|
index = end_pos + 1
|
|
keys.extend(handle_code(code))
|
|
|
|
# unmatched ")"
|
|
elif c == ')':
|
|
raise KeySequenceError('`)` should be preceeded by `(`')
|
|
|
|
# unmatched "}"
|
|
elif c == '}':
|
|
raise KeySequenceError('`}` should be preceeded by `{`')
|
|
|
|
# so it is a normal character
|
|
else:
|
|
# don't output white space unless flags to output have been set
|
|
if (c == ' ' and not with_spaces or
|
|
c == '\t' and not with_tabs or
|
|
c == '\n' and not with_newlines):
|
|
continue
|
|
|
|
# output newline
|
|
if c in ('~', '\n'):
|
|
keys.append(KeyAction(CODES["ENTER"]))
|
|
|
|
elif modifiers:
|
|
keys.append(KeyAction(c))
|
|
|
|
else:
|
|
keys.append(KeyAction(c))
|
|
|
|
# as we have handled the text - release the modifiers
|
|
while modifiers:
|
|
if DEBUG:
|
|
print("MODS-", modifiers)
|
|
mod = modifiers.pop()
|
|
if mod == '+':
|
|
keys[-1].shift = True
|
|
elif mod == '^':
|
|
keys[-1].ctrl = True
|
|
elif mod == '%':
|
|
keys[-1].alt = True
|
|
|
|
# just in case there were any modifiers left pressed - release them
|
|
while modifiers:
|
|
keys.append(KeyAction(modifiers.pop(), down = False))
|
|
return keys
|
|
|
|
|
|
def SendKeys(keys,
|
|
pause=0.05,
|
|
with_spaces=False,
|
|
with_tabs=False,
|
|
with_newlines=False,
|
|
turn_off_numlock=True):
|
|
"""Parse the keys and type them"""
|
|
keys = parse_keys(keys, with_spaces, with_tabs, with_newlines)
|
|
for k in keys:
|
|
k.run()
|
|
time.sleep(pause)
|