Add TypedString utility to reduce mixups with similarly-named string …

…variables

exporters/pelorus/utils.py

@@ -4,6 +4,7 @@
 in kubernetes that are not so idiomatic to deal with.
 """
 import dataclasses
+from collections import UserString
 from collections.abc import Iterable
 from typing import Any, Optional, Protocol, TypeVar, Union, overload
 
@@ -150,3 +151,31 @@ def message(self):
  f"{'.'.join(self.path[self.path_slice])} was {self.value}, "
  "so we could not continue."
  )
+
+
+class TypedString(UserString):
+ """
+ A "wrapped" string that can only test for equality between TypedStrings
+ of the same type, or a regular string.
+
+ This helps when strings representing different things are easily confused--
+ such as PipelineRun names versus Pipeline names.
+ """
+
+ def __eq__(self, other):
+ if isinstance(other, TypedString):
+ if type(self) is type(other):
+ return self.data == other.data
+ else:
+ return False
+ elif type(other) is str:
+ return self.data == other
+ else:
+ return NotImplemented
+
+ def __repr__(self):
+ type_name = type(self).__name__
+ return f'{type_name}("{super().__str__()}")'
+
+ def __hash__(self) -> int:
+ return super().__hash__()