Cleanup kitty dcs parsing

kitty_tests/__init__.py

@@ -83,6 +83,7 @@ class Callbacks:
         self.wtcbuf = b''
         self.iconbuf = self.colorbuf = self.ctbuf = ''
         self.titlebuf = []
+        self.printbuf = []
         self.notifications = []
         self.open_urls = []
         self.cc_buf = []
@@ -110,7 +111,10 @@ class Callbacks:
 
     def handle_remote_print(self, msg):
         text = process_remote_print(msg)
-        print(text, file=sys.__stdout__, end='', flush=True)
+        self.printbuf.append(text)
+
+    def handle_remote_cmd(self, msg):
+        pass
 
     def handle_remote_clone(self, msg):
         msg = str(msg, 'utf-8')

kitty_tests/parser.py

@@ -423,6 +423,10 @@ class TestParser(BaseTest):
         c.clear()
         pb('\033P$qr\033\\', ('screen_request_capabilities', ord('$'), 'r'))
         self.ae(c.wtcbuf, f'\033P1$r{s.margin_top + 1};{s.margin_bottom + 1}r\033\\'.encode('ascii'))
+        pb('\033P@kitty-cmd{abc\033\\', ('handle_remote_cmd', '{abc'))
+        p = base64_encode('abcd').decode()
+        pb(f'\033P@kitty-print|{p}\033\\', ('handle_remote_print', p))
+        self.ae(['abcd'], s.callbacks.printbuf)
 
     def test_pending(self):
         s = self.create_screen()