[robotpy] Mirror robotpy's commands-v2 (#8369)

Project import generated by Copybara.

GitOrigin-RevId: 715c8e8372d936f447f2937aab6b1a22dc619126

commandsv2/src/main/python/commands2/exceptions.py

@@ -0,0 +1,19 @@
+# notrack
+
+import typing
+
+
+class IllegalCommandUse(Exception):
+    """
+    This exception is raised when a command is used in a way that it shouldn't be.
+
+    You shouldn't try to catch this exception, if it occurs it means your code is
+    doing something it probably shouldn't be doing
+    """
+
+    def __init__(self, msg: str, **kwargs: typing.Any) -> None:
+        if kwargs:
+            args_repr = ", ".join(f"{k}={v!r}" for k, v in kwargs.items())
+            msg = f"{msg} ({args_repr})"
+
+        super().__init__(msg)