CommonClient: abstract url handling so it's importable

CommonClient.py

@@ -31,6 +31,7 @@
 
 if typing.TYPE_CHECKING:
     import kvui
+    import argparse
 
 logger = logging.getLogger("Client")
 
@@ -1028,6 +1029,23 @@ def get_base_parser(description: typing.Optional[str] = None):
     return parser
 
 
+def handle_url_arg(args: "argparse.Namespace", parser: "typing.Optional[argparse.parser]" = None) -> "argparse.Namespace":
+    # handle if text client is launched using the "archipelago://name:pass@host:port" url from webhost
+    if args.url:
+        url = urllib.parse.urlparse(args.url)
+        if url.scheme == "archipelago":
+            args.connect = url.netloc
+            if url.username:
+                args.name = urllib.parse.unquote(url.username)
+            if url.password:
+                args.password = urllib.parse.unquote(url.password)
+        else:
+            if not parser:
+                parser = get_base_parser()
+            parser.error(f"bad url, found {args.url}, expected url in form of archipelago://archipelago.gg:38281")
+    return args
+
+
 def run_as_textclient(*args):
     class TextContext(CommonContext):
         # Text Mode to use !hint and such with games that have no text entry
@@ -1069,17 +1087,7 @@ async def main(args):
     parser.add_argument("url", nargs="?", help="Archipelago connection url")
     args = parser.parse_args(args)
 
-    # handle if text client is launched using the "archipelago://name:pass@host:port" url from webhost
-    if args.url:
-        url = urllib.parse.urlparse(args.url)
-        if url.scheme == "archipelago":
-            args.connect = url.netloc
-            if url.username:
-                args.name = urllib.parse.unquote(url.username)
-            if url.password:
-                args.password = urllib.parse.unquote(url.password)
-        else:
-            parser.error(f"bad url, found {args.url}, expected url in form of archipelago://archipelago.gg:38281")
+    args = handle_url_arg(args)
 
     # use colorama to display colored text highlighting on windows
     colorama.init()