--- a/mercurial/thirdparty/attr/exceptions.py Mon Nov 21 16:18:28 2022 -0500
+++ b/mercurial/thirdparty/attr/exceptions.py Mon Nov 21 15:04:42 2022 -0500
@@ -1,17 +1,35 @@
-from __future__ import absolute_import, division, print_function
+# SPDX-License-Identifier: MIT
-class FrozenInstanceError(AttributeError):
+class FrozenError(AttributeError):
"""
- A frozen/immutable instance has been attempted to be modified.
+ A frozen/immutable instance or attribute have been attempted to be
+ modified.
It mirrors the behavior of ``namedtuples`` by using the same error message
- and subclassing :exc:`AttributeError`.
+ and subclassing `AttributeError`.
+
+ .. versionadded:: 20.1.0
+ """
+
+ msg = "can't set attribute"
+ args = [msg]
+
+
+class FrozenInstanceError(FrozenError):
+ """
+ A frozen instance has been attempted to be modified.
.. versionadded:: 16.1.0
"""
- msg = "can't set attribute"
- args = [msg]
+
+
+class FrozenAttributeError(FrozenError):
+ """
+ A frozen attribute has been attempted to be modified.
+
+ .. versionadded:: 20.1.0
+ """
class AttrsAttributeNotFoundError(ValueError):
@@ -37,3 +55,38 @@
.. versionadded:: 17.1.0
"""
+
+
+class UnannotatedAttributeError(RuntimeError):
+ """
+ A class with ``auto_attribs=True`` has an ``attr.ib()`` without a type
+ annotation.
+
+ .. versionadded:: 17.3.0
+ """
+
+
+class PythonTooOldError(RuntimeError):
+ """
+ It was attempted to use an ``attrs`` feature that requires a newer Python
+ version.
+
+ .. versionadded:: 18.2.0
+ """
+
+
+class NotCallableError(TypeError):
+ """
+ A ``attr.ib()`` requiring a callable has been set with a value
+ that is not callable.
+
+ .. versionadded:: 19.2.0
+ """
+
+ def __init__(self, msg, value):
+ super(TypeError, self).__init__(msg, value)
+ self.msg = msg
+ self.value = value
+
+ def __str__(self):
+ return str(self.msg)