More work on remote control

kitty/boss.py

@@ -16,6 +16,7 @@ from .fast_data_types import (
 )
 from .fonts.render import prerender, resize_fonts, set_font_family
 from .keys import get_shortcut
+from .remote_control import handle_cmd
 from .session import create_session
 from .tabs import SpecialWindow, TabManager
 from .utils import (
@@ -128,7 +129,11 @@ class Boss:
     def handle_remote_cmd(self, cmd, window=None):
         response = None
         if self.opts.allow_remote_control:
-            pass
+            try:
+                response = handle_cmd(self, window, cmd)
+            except Exception as err:
+                import traceback
+                response = {'ok': False, 'error': str(err), 'tb': traceback.format_exc()}
         else:
             response = {'ok': False, 'error': 'Remote control is disabled. Add allow_remote_control yes to your kitty.conf'}
         if response is not None:

kitty/parser.c

@@ -757,7 +757,7 @@ dispatch_dcs(Screen *screen, PyObject DUMP_UNUSED *dump_callback) {
             break;
         case '@':
             if (startswith(screen->parser_buf + 1, screen->parser_buf_pos - 2, "kitty-cmd{")) {
-                PyObject *cmd = PyUnicode_FromKindAndData(PyUnicode_4BYTE_KIND, screen->parser_buf + 11, screen->parser_buf_pos - 11);
+                PyObject *cmd = PyUnicode_FromKindAndData(PyUnicode_4BYTE_KIND, screen->parser_buf + 10, screen->parser_buf_pos - 10);
                 if (cmd != NULL) {
                     REPORT_OSC2(screen_handle_cmd, (char)screen->parser_buf[0], cmd);
                     screen_handle_cmd(screen, cmd);

kitty/remote_control.py

@@ -28,11 +28,31 @@ def parse_subcommand_cli(func, args):
     return opts, items
 
 
-@cmd('List all windows')
+@cmd(
+    'List all tabs/windows'
+)
 def cmd_ls(global_opts, opts, args):
     pass
 
 
+def ls(boss, window):
+    raise NotImplementedError()
+
+
+def handle_cmd(boss, window, cmd):
+    cmd = json.loads(cmd)
+    v = cmd['version']
+    if tuple(v)[:2] > version[:2]:
+        return {'ok': False, 'error': 'The kitty client you are using to send remote commands is newer than this kitty instance. This is not supported.'}
+    func = partial(globals()[cmd['cmd']], boss, window)
+    payload = cmd.get('payload')
+    ans = func(payload) if payload is not None else func()
+    response = {'ok': True}
+    if ans is not None:
+        response['data'] = ans
+    return response
+
+
 global_options_spec = partial('''\
 
 '''.format, appname=appname)
@@ -97,3 +117,5 @@ def main(args):
         if response.get('tb'):
             print(response['tb'], file=sys.stderr)
         raise SystemExit(response['error'])
+    if 'data' in response:
+        print(response['data'])