override states are now int based objects

pype/settings/entities/constants.py

@@ -1,6 +1,3 @@
-import enum
-
-
 # Metadata keys for work with studio and project overrides
 M_OVERRIDEN_KEY = "__overriden_keys__"
 # Metadata key for storing information about environments
@@ -34,8 +31,56 @@ __all__ = (
 )
 
 
-class OverrideState(enum.Enum):
-    NOT_DEFINED = object()
-    DEFAULTS = object()
-    STUDIO = object()
-    PROJECT = object()
+class OverrideStateItem:
+    values = set()
+
+    def __init__(self, value, name):
+        self.name = name
+        if value in self.__class__.values:
+            raise ValueError(
+                "Implementation bug: Override State with same value as other."
+            )
+        self.__class__.values.add(value)
+        self.value = value
+
+    def __repr__(self):
+        return "<object {}> {} {}".format(
+            self.__class__.__name__, self.value, self.name
+        )
+
+    def __eq__(self, other):
+        """Defines behavior for the equality operator, ==."""
+        if isinstance(other, OverrideStateItem):
+            return self.value == other.value
+        return self.value == other
+
+    def __gt__(self, other):
+        """Defines behavior for the greater-than operator, >."""
+        if isinstance(other, OverrideStateItem):
+            return self.value > other.value
+        return self.value > other
+
+    def __lt__(self, other):
+        """Defines behavior for the less-than operator, <."""
+        if isinstance(other, OverrideStateItem):
+            return self.value < other.value
+        return self.value < other
+
+    def __le__(self, other):
+        """Defines behavior for the less-than-or-equal-to operator, <=."""
+        return self.__eq__(other) or self.__lt__(other)
+
+    def __ge__(self, other):
+        """Defines behavior for the greater-than-or-equal-to operator, >=."""
+        return self.__eq__(other) or self.__gt__(other)
+
+
+class OverrideState:
+    """Enumeration of override states.
+
+    Each state should have unique value.
+    """
+    NOT_DEFINED = OverrideStateItem(-1, "Not defined")
+    DEFAULTS = OverrideStateItem(0, "Defaults")
+    STUDIO = OverrideStateItem(1, "Studio overrides")
+    PROJECT = OverrideStateItem(2, "Project Overrides")