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+#!/usr/bin/env python3
+# _*_ coding: utf-8 _*_
+
+"""
+This script uses the i3ipc python module to switch the layout splith / splitv
+for the currently focused window, depending on its dimensions.
+It works on both sway and i3 window managers.
+
+Inspired by https://github.com/olemartinorg/i3-alternating-layout
+
+Author: Piotr Miller
+e-mail: nwg.piotr@gmail.com
+Project: https://github.com/nwg-piotr/autotiling
+License: GPL3
+
+Dependencies: python-i3ipc>=2.0.1 (i3ipc-python)
+"""
+
+from i3ipc import Connection, Event
+
+i3 = Connection()
+
+
+def switch_splitting(i3, e):
+    try:
+        con = i3.get_tree().find_focused()
+        if con.floating:                         # We're on i3: on sway it would be None
+            is_floating = '_on' in con.floating  # May be 'auto_on' or 'user_on'
+            is_full_screen = con.fullscreen_mode == 1
+        else:                                    # We are on sway
+            is_floating = con.type == 'floating_con'
+            # On sway on 1st focus the parent container returns 1, then forever the focused container itself
+            is_full_screen = con.fullscreen_mode == 1 or con.parent.fullscreen_mode == 1
+
+        is_tabbed = con.parent.layout == 'tabbed'
+
+        # Let's exclude floating containers, tabbed layouts and full screen mode
+        if not is_floating and not is_tabbed and not is_full_screen:
+            new_layout = 'splitv' if con.rect.height > con.rect.width else 'splith'
+            i3.command(new_layout)
+
+    except Exception as e:
+        print('Error: {}'.format(e))
+        pass
+
+
+def main():
+    i3.on(Event.WINDOW_FOCUS, switch_splitting)
+    i3.on(Event.WINDOW_NEW, switch_splitting)
+    i3.main()
+
+
+if __name__ == "__main__":
+    main()