Elep

# SPDX-License-Identifier: MIT

class FrozenError(AttributeError):
    """
    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 `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
    """

class FrozenAttributeError(FrozenError):
    """
    A frozen attribute has been attempted to be modified.

.. versionadded:: 20.1.0
    """

class AttrsAttributeNotFoundError(ValueError):
    """
    An *attrs* function couldn't find an attribute that the user asked for.

.. versionadded:: 16.2.0
    """

class NotAnAttrsClassError(ValueError):
    """
    A non-*attrs* class has been passed into an *attrs* function.

.. versionadded:: 16.2.0
    """

class DefaultAlreadySetError(RuntimeError):
    """
    A default has been set when defining the field and is attempted to be reset
    using the decorator.

.. versionadded:: 17.1.0
    """

class UnannotatedAttributeError(RuntimeError):
    """
    A class with ``auto_attribs=True`` has a field 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 field 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)