Add a new mappable action open_url

kitty/options/utils.py

@@ -91,6 +91,20 @@ def kitten_parse(func: str, rest: str) -> FuncArgsType:
     return func, [args[0]] + (to_cmdline(args[1]) if len(args) > 1 else [])
 
 
+@func_with_args('open_url')
+def open_url_parse(func: str, rest: str) -> FuncArgsType:
+    from urllib.parse import urlparse
+    url = ''
+    try:
+        url = python_string(rest)
+        tokens = urlparse(url)
+        if not all((tokens.scheme, tokens.netloc,)):
+            raise ValueError('Invalid URL')
+    except Exception:
+        log_error('Ignoring invalid URL string: ' + rest)
+    return func, (url,)
+
+
 @func_with_args('goto_tab')
 def goto_tab_parse(func: str, rest: str) -> FuncArgsType:
     args = (max(0, int(rest)), )