feat(#267): Added HostPort type

pokete_classes/multiplayer/host_port.py

@@ -0,0 +1,24 @@
+class HostPortParseException(Exception):
+    pass
+
+
+class HostPort:
+    def __init__(self, host: str, port: int | None = None):
+        self.host: str = host
+        self.port: int | None = port
+
+    @classmethod
+    def parse(cls, s: str) -> "HostPort":
+        splid = s.split(":")
+        if len(splid) == 1:
+            return cls(splid[0])
+        elif len(splid) == 2:
+            try:
+                return cls(splid[0], int(splid[1]))
+            except ValueError:
+                HostPortParseException("Invalid port")
+        else:
+            raise HostPortParseException("Invalid format")
+
+    def __str__(self):
+        return f"{self.host}:{self.port}" if self.port is not None else self.host