Allow changing colors by mapping a keyboard shortcut to read a kitty config file with color definitions.

Fixes #2083

kitty/boss.py

@@ -1096,3 +1096,9 @@ class Boss:
 
         msg = '\n'.join(map(format_bad_line, bad_lines)).rstrip()
         self.show_error(_('Errors in kitty.conf'), msg)
+
+    def set_colors(self, *args):
+        from .cmds import parse_subcommand_cli, cmd_set_colors, set_colors
+        opts, items = parse_subcommand_cli(cmd_set_colors, ['set-colors'] + list(args))
+        payload = cmd_set_colors(None, opts, items)
+        set_colors(self, self.active_window, payload)

kitty/config.py

@@ -193,6 +193,15 @@ def pipe(func, rest):
     return func, rest
 
 
+@func_with_args('set_colors')
+def set_colors(func, rest):
+    import shlex
+    rest = shlex.split(rest)
+    if len(rest) < 1:
+        log_error('Too few arguments to set_colors function')
+    return func, rest
+
+
 @func_with_args('nth_window')
 def nth_window(func, rest):
     try: