Make enums unique

Signed-off-by: Leandro Lucarella <[email protected]>

Author: llucax

src/frequenz/client/common/metric/__init__.py

@@ -3,7 +3,7 @@
 
 """Module to define the metrics used with the common client."""
 
-from enum import Enum
+import enum
 from typing import Self
 
 # pylint: disable=no-name-in-module
@@ -12,7 +12,8 @@
 # pylint: enable=no-name-in-module
 
 
-class Metric(Enum):
+@enum.unique
+class Metric(enum.Enum):
     """List of supported metrics.
 
     AC energy metrics information:

src/frequenz/client/common/microgrid/components/__init__.py

@@ -5,7 +5,7 @@
 
 from __future__ import annotations
 
-from enum import Enum
+import enum
 from typing import final
 
 # pylint: disable=no-name-in-module
@@ -28,7 +28,8 @@ class ComponentId(BaseId, str_prefix="CID"):
     """A unique identifier for a microgrid component."""
 
 
-class ComponentCategory(Enum):
+@enum.unique
+class ComponentCategory(enum.Enum):
     """Possible types of microgrid component."""
 
     UNSPECIFIED = PBComponentCategory.COMPONENT_CATEGORY_UNSPECIFIED
@@ -81,7 +82,8 @@ def to_proto(self) -> PBComponentCategory.ValueType:
         return self.value
 
 
-class ComponentStateCode(Enum):
+@enum.unique
+class ComponentStateCode(enum.Enum):
     """All possible states of a microgrid component."""
 
     UNSPECIFIED = PBComponentStateCode.COMPONENT_STATE_CODE_UNSPECIFIED
@@ -185,7 +187,8 @@ def to_proto(self) -> PBComponentStateCode.ValueType:
         return self.value
 
 
-class ComponentErrorCode(Enum):
+@enum.unique
+class ComponentErrorCode(enum.Enum):
     """All possible errors that can occur across all microgrid component categories."""
 
     UNSPECIFIED = PBComponentErrorCode.COMPONENT_ERROR_CODE_UNSPECIFIED