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A Python wrapper for AHK

Project description

ahk

A Python wrapper around AHK.

Build version pyversion Coverage

Installation

pip install ahk

See also Non-Python dependencies

Usage

from ahk import AHK
ahk = AHK()
ahk.mouse_move(x=100, y=100, speed=10, blocking=True)  # blocks until mouse finishes moving (the default)
print(ahk.mouse_position)  #  (100, 100)

ahk

Examples

Non-exhaustive examples of some of the functions available with this package. Full documentation coming soon!

Mouse

from ahk import AHK
ahk = AHK()

ahk.mouse_position  # tuple of mouse coordinates (x,y)
ahk.mouse_move(100, 100, speed=10, relative=True)  # move mouse offset from current position
ahk.mouse_position = (100, 100)  # moves mouse instantly to absolute position
ahk.click()  # click primary mouse button
ahk.double_click()
ahk.click(200, 200)  # click a particular position
ahk.right_click()
ahk.mouse_drag(100, 100, relative=True)

Keyboard

from ahk import AHK
ahk = AHK()

ahk.type('hello, world!')  # sends keys, as if typed (performs ahk string escapes)
ahk.send_input('Hello`, World{!}')  # Like AHK SendInput, must escape strings yourself!
ahk.key_wait('a', timeout=3)  # wait up to 3 seconds for the "a" key to be pressed
ahk.key_state('Control')  # return True or False based on whether Control key is pressed down
ahk.key_state('CapsLock', mode='T')  # check toggle state of a key (like for NumLock, CapsLock, etc)
ahk.key_press('a')  # press and release a key
ahk.key_down('Control')  # press down (but do not release) Control key
ahk.key_up('Control')  # release the key

Windows

You can do stuff with windows, too.

Getting windows

from ahk import AHK
from ahk.window import Window
ahk = AHK()
win = ahk.active_window  # get the active window
win = ahk.win_get(title='Untitled - Notepad')  # by title
win = list(ahk.windows())  # list of all windows
win = Window(ahk, ahk_id='0xabc123')  # by ahk_id
win = Window.from_mouse_position(ahk)  # a window under the mouse cursor
win = Window.from_pid('20366')  # by process ID

Working with windows

from ahk import AHK
ahk = AHK()
ahk.run_script('Run Notepad')
win = ahk.find_window(title=b'Untitled - Notepad')
win.send('hello')  # send keys directly to a window (does not need focus!)
win.move(x=200, y=300, width=500, height=800)
win.activate()  # give the window focus
win.disable()  # make the window non-interactable
win.enable()  # enable it again
win.to_top()  # moves window on top of other windows
win.to_bottom()
win.always_on_top = True  # make the windows always on top
win.close()

for window in ahk.windows():
    print(window.title)

#  some more attributes
print(window.text)
print(window.rect)  # (x, y, width, height)
print(window.id)  # ahk_id
print(window.pid)
print(window.process)

Screen

from ahk import AHK
ahk = AHK()
ahk.image_search('C:\\path\\to\\image.jpg')  # find an image on screen
# find image within a boundary on screen
ahk.image_search('C:\\path\\to\\image.jpg', upper_bound=(100, 100),  # upper-left corner of search area
                                            lower_bound=(400, 400))  # lower-right corner of search area
ahk.pixel_get_color(100, 100)  # get color of pixel located at coords (100, 100)
ahk.pixel_search('0x9d6346')  # get coords of first pixel with specified color

Sound

from ahk import AHK
ahk = AHK()

ahk.sound_play('C:\\path\\to\\sound.wav')  # play an audio file
ahk.sound_beep(frequency=440, duration=1000)  # play a beep
ahk.get_volume(device_number=1)  # get volume of a device
ahk.set_volume(50, device_number=1)  # set volume of a device
ahk.sound_get(device_number=1, component_type='MASTER', control_type='VOLUME') # get sound device property
ahk.sound_set(50, device_number=1, component_type='MASTER', control_type='VOLUME') # set sound device property

non-blocking modes

For some functions, you can also opt for a non-blocking interface, so you can do other stuff while AHK scripts run.

import time
from ahk import AHK
ahk = AHK()
ahk.mouse_position = (200, 200)  # moves the mouse instantly to the position
start = time.time()
ahk.mouse_move(x=100, y=100, speed=30, blocking=False)
while True:  #  report mouse position while it moves
    t = round(time.time() - start, 4)
    position = ahk.mouse_position
    print(t, position)
    if position == (100, 100):
        break

You should see an output something like

0.032 (187, 187)
0.094 (173, 173)
0.137 (164, 164)
...
0.788 (100, 103)
0.831 (100, 101)
0.873 (100, 100)

Run arbitrary AutoHotkey scripts

from ahk import AHK
ahk = AHK()
ahk_script = 'Run Notepad'
ahk.run_script(ahk_script, blocking=False)

Communicating data from ahk to Python

If you're writing your own ahk scripts to use with this library, you can use FileAppend with the * parameter to get data from your ahk script into Python.

Suppose you have a script like so

#Persistent
data := "Hello Data!"
FileAppend, %data%, * ; send data var to stdout
ExitApp
result = ahk.run_script(my_script)
print(result)  # Hello Data!

If your autohotkey returns something that can't be decoded, add the keyword argument decode=False in which case you'll get back a CompletedProcess object where stdout (and stderr) will be bytes and you can handle it however you choose.

result = ahk.run_script(my_script, decode=False)
print(result.stdout)  # b'Hello Data!'

Experimental features

Experimental features are things that are minimally functional, (even more) likely to have breaking changes, even for minor releases.

Github issues are provided for convenience to collect feedback on these features.

Hotkeys

GH-9

Hotkeys now have a primitive implementation. You give it a hotkey (a string the same as in an ahk script, without the ::) and the body of an AHK script to execute as a response to the hotkey.

from ahk import AHK, Hotkey
ahk = AHK()
key_combo = '#n'
script = 'Run Notepad'
hotkey = Hotkey(ahk, key_combo, script)
hotkey.start()  #  listener process activated

At this point, the hotkey is active. If you press Windows Key + n, the script Run Notepad will execute.

There is no need to add return to the provided script, as it is provided by the template.

To stop the hotkey call the stop() method.

hotkey.stop()

ActionChain

GH-25

ActionChains let you define a set of actions to be performed in order at a later time.

They work just like the AHK class, except the actions are deferred until the perform method is called.

An additional method sleep is provided to allow for waiting between actions.

from ahk import ActionChain
ac = ActionChain()
ac.mouse_move(100, 100, speed=10)  # nothing yet
ac.sleep(1)  # still nothing happening
ac.mouse_move(500, 500, speed=10)  # not yet
ac.perform()  # *now* each of the actions run in order

Just like anywhere else, scripts running simultaneously may conflict with one another, so using blocking interfaces is generally recommended. Currently, there is limited support for interacting with windows in actionchains, you may want to use win_set)

find_window/find_windows methods

GH-26

Right now, these are implemented by iterating over all window handles and filtering with Python.
They may be optimized in the future.

AHK.find_windows returns a generator filtering results based on attributes provided as keyword arguments.
AHK.find_window is similar, but returns the first matching window instead of all matching windows.

There are couple convenience functions, but not sure if these will stay around or maybe we'll add more, depending on feedback.

  • find_windows_by_title
  • find_window_by_title
  • find_windows_by_text
  • find_window_by_text

Errors and Debugging

You can enable debug logging, which will output script text before execution, and some other potentially useful debugging information.

import logging
logging.basicConfig(level=logging.DEBUG)

Also note that, for now, errors with running AHK scripts will often pass silently. In the future, better error handling will be added.

Non-Python dependencies

To use this package, you need the AutoHotkey executable.

It's expected to be on PATH by default. You can also use the AHK_PATH environment variable to specify the executable location.

Alternatively, you may provide the path in code

from ahk import AHK
ahk = AHK(executable_path='C:\\path\\to\\AutoHotkey.exe')

Contributing

All contributions are welcomed and appreciated.

Please feel free to open a GitHub issue or PR for feedback, ideas, feature requests or questions.

There's still some work to be done in the way of implementation. The ideal interfaces are still yet to be determined and your help would be invaluable.

The vision is to provide access to the most useful features of the AutoHotkey API in a Pythonic way.

Similar projects

These are some similar projects that are commonly used for automation with Python.

  • Pyautogui - Al Sweigart's creation for cross-platform automation
  • Pywinauto - Automation on Windows platforms with Python.
  • keyboard - Pure Python cross-platform keyboard hooks/control and hotkeys!
  • mouse - From the creators of keyboard, Pure Python mouse control!
  • pynput - Keyboard and mouse control

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