+@unique
+class SrdStrEnum(Enum):
+ @classmethod
+ def from_list(cls, name, l):
+ # Keys are limited/converted to [A-Z0-9_], values can be any string.
+ items = [(re.sub('[^A-Z0-9_]', '_', l[i]), l[i]) for i in range(len(l))]
+ return cls(name, items)
+
+ @classmethod
+ def from_str(cls, name, s):
+ return cls.from_list(name, s.split())
+