Add utility function for enum member values + test

lib/galaxy/util/__init__.py

@@ -1905,3 +1905,11 @@ class StructuredExecutionTimer:
     @property
     def elapsed(self):
         return time.time() - self.begin
+
+
+def enum_values(enum_class):
+    """
+    Return a list of member values of enumeration enum_class.
+    Values are in member definition order.
+    """
+    return [item.value for key, item in enum_class.__members__.items()]

test/unit/util/test_utils.py

@@ -1,6 +1,7 @@
 import errno
 import os
 import tempfile
+from enum import Enum
 from io import StringIO
 from typing import Dict
 
@@ -139,3 +140,12 @@ def test_listify() -> None:
     assert util.listify(d) == [d]
     o = object()
     assert util.listify(o) == [o]
+
+
+def test_enum_values():
+    class Stuff(str, Enum):
+        A = "a"
+        C = "c"
+        B = "b"
+
+    assert util.enum_values(Stuff) == ["a", "c", "b"]