macro_recorder: only import when we need it

src/main/python/macro_recorder.py

@@ -11,8 +11,6 @@ from macro_action import ActionText, ActionTap, ActionDown, ActionUp, SS_TAP_COD
 from macro_key import KeyString, KeyDown, KeyUp, KeyTap
 from macro_line import MacroLine
 from macro_optimizer import macro_optimize
-from macro_recorder_linux import LinuxRecorder
-from macro_recorder_windows import WindowsRecorder
 from util import tr
 from vial_device import VialKeyboard
 
@@ -194,8 +192,12 @@ class MacroRecorder(BasicEditor):
         self.recorder = None
 
         if sys.platform.startswith("linux"):
+            from macro_recorder_linux import LinuxRecorder
+
             self.recorder = LinuxRecorder()
         elif sys.platform.startswith("win"):
+            from macro_recorder_windows import WindowsRecorder
+
             self.recorder = WindowsRecorder()
 
         if self.recorder:

src/main/python/main.py

@@ -7,7 +7,6 @@ from fbs_runtime.application_context.PyQt5 import ApplicationContext
 
 import sys
 
-from linux_keystroke_recorder import linux_keystroke_recorder
 from main_window import MainWindow
 from constants import WINDOW_WIDTH, WINDOW_HEIGHT
 
@@ -48,6 +47,8 @@ class UncaughtHook(QtCore.QObject):
 
 if __name__ == '__main__':
     if len(sys.argv) == 2 and sys.argv[1] == "--linux-recorder":
+        from linux_keystroke_recorder import linux_keystroke_recorder
+
         linux_keystroke_recorder()
     else:
         appctxt = ApplicationContext()       # 1. Instantiate ApplicationContext