Move x11 code to separate file, write keypress functions

interaction.py

+import time
+from random import randint
+from Xlib import display, X, XK, ext
+from PIL import Image
+
+
+WINDOW_WIDTH = 1600
+WINDOW_HEIGHT = 900
+BOARD_X = 367
+BOARD_Y = 129
+BOARD_WIDTH = 420
+BOARD_HEIGHT = 638
+KEY_DELAY= 0.015
+
+
+disp = display.Display()
+
+
+def find_window(name):
+    def traverse(window):
+        if window.get_wm_name() == name:
+            return window
+
+        for child in window.query_tree().children:
+            win = traverse(child)
+            if win:
+                return win
+
+    return traverse(display.Display().screen().root)
+
+
+def get_exapunks_window():
+    win = find_window('EXAPUNKS')
+    assert win, 'EXAPUNKS window not found'
+    geo = win.get_geometry()
+    assert geo.width == WINDOW_WIDTH
+    assert geo.height == WINDOW_HEIGHT
+    return win
+
+
+def focus_window(window):
+    window.set_input_focus(X.RevertToNone, X.CurrentTime)
+    window.raise_window()
+    disp.sync()
+
+
+def screenshot_board(window):
+    raw = window.get_image(BOARD_X, BOARD_Y, BOARD_WIDTH, BOARD_HEIGHT,
+                           X.ZPixmap, 0xffffffff)
+    dim = BOARD_WIDTH, BOARD_HEIGHT
+    im = Image.frombytes('RGB', dim, raw.data, 'raw', 'BGRX')
+    return im.convert('HSV')
+
+
+def press_key(window, key):
+    keysym = XK.string_to_keysym(key)
+    keycode = disp.keysym_to_keycode(keysym)
+
+    ext.xtest.fake_input(disp, X.KeyPress, keycode)
+    disp.sync()
+    time.sleep(KEY_DELAY)
+
+    ext.xtest.fake_input(disp, X.KeyRelease, keycode)
+    disp.sync()
+    time.sleep(KEY_DELAY)
+
+
+if __name__ == '__main__':
+    win = get_exapunks_window()
+    win.raise_window()
+
+    old_focus = disp.get_input_focus()
+    disp.set_input_focus(win, X.RevertToParent, X.CurrentTime)
+
+    def press_keys(keys):
+        for key in keys:
+            press_key(win, key)
+
+    #press_keys('aaaj')
+    #while True:
+    #    press_keys('djkj' * 7)
+    #    press_keys('ajkj' * 7)
+
+    while True:
+        press_key(win, 'adjk'[randint(0, 3)])
+
+    disp.set_input_focus(old_focus.focus, X.RevertToParent, X.CurrentTime)
+    disp.sync()

parser.py

 #!/usr/bin/env python3
-import os
 import time
-import numpy as np
-from Xlib import display, X
-from PIL import Image
 
 
 COLUMNS = 7
-WINDOW_WIDTH = 1600
-WINDOW_HEIGHT = 900
 BLOCK_SIZE = 60
-BOARD_X = 367
-BOARD_Y = 129
-BOARD_WIDTH = COLUMNS * BLOCK_SIZE
-BOARD_HEIGHT = 638
 
 MAX_COLUMN_HEIGHT = 546
 DETECT_COLUMN_OFFSET_X = 8, 50
@@ -49,43 +39,6 @@ def is_hue(h, hexpect):
     return abs(h - hexpect) <= HUE_TOLERANCE
 
 
-def find_window(name):
-    def traverse(window):
-        if window.get_wm_name() == name:
-            return window
-
-        for child in window.query_tree().children:
-            win = traverse(child)
-            if win:
-                return win
-
-    return traverse(display.Display().screen().root)
-
-
-def get_exapunks_window():
-    win = find_window('EXAPUNKS')
-    assert win, 'EXAPUNKS window not found'
-    geo = win.get_geometry()
-    assert geo.width == WINDOW_WIDTH
-    assert geo.height == WINDOW_HEIGHT
-    return win
-
-
-def focus_window(window):
-    window.set_input_focus(X.RevertToNone, X.CurrentTime)
-    window.raise_window()
-    display.Display().sync()
-
-
-def screenshot_board(window):
-    start = time.time()
-    raw = window.get_image(BOARD_X, BOARD_Y, BOARD_WIDTH, BOARD_HEIGHT,
-                           X.ZPixmap, 0xffffffff)
-    dim = BOARD_WIDTH, BOARD_HEIGHT
-    im = Image.frombytes('RGB', dim, raw.data, 'raw', 'BGRX')
-    return im.convert('HSV')
-
-
 def detect_columns(board):
     def saturated(x, y):
         h, s, v = board.getpixel((x, y))
@@ -165,6 +118,8 @@ def print_board(blocks, exa, held):
 
 
 if __name__ == '__main__':
+    from iteraction import get_exapunks_window, screenshot_board
+
     win = get_exapunks_window()
     win.raise_window()