#!/usr/bin/env python3
+# © Copyright 2021-2022, Scott Gasch
+
+"""Some general exceptions used elsewhere in the package."""
+
+# This module is commonly used by others in here and should avoid
+# taking any unnecessary dependencies back on them.
+
+
class PreconditionException(AssertionError):
+ """Use to indicate function preconditions violated."""
+
pass
class PostconditionException(AssertionError):
+ """Use to indicate function postconditions violated."""
+
pass
class TimeoutError(Exception):
+ """Use to indicate an operation that timed out."""
+
def __init__(self, value: str = "Timed out"):
+ super().__init__()
self.value = value
def __str__(self):