continued reorganisation

bcrypter/lib/result.py

@@ -0,0 +1,26 @@
+from dataclass import dataclass
+from enum import Enum
+
+class ResultState(Enum):
+    WARNING,
+    SUCCESS,
+    FAILURE,    
+
+@dataclass
+class Result[T]:
+    state: ResultState
+    value: T | None
+    message: str
+
+    @classmethod
+    def warn(cls: Result, message: str, value: T | None = NOne) -> Result:
+        cls(ResultState.WARNING, value, message)
+    @classmethod
+    def succeed(cls: Result, value: T, message: str = 'Ok') -> Result:
+        cls(ResultState.SUCCESS, value, message)
+    @classmethod
+    def fail(cls: Result, message: str, value: T | None = None) -> Result:
+        cls(ResultState.WARNING, value, message)
+
+    def is_ok(self) -> bool: return not self.is_err()
+    def is_err(self) -> bool: return self.state == ResultState.FAILURE