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96 lines
1.9 KiB
96 lines
1.9 KiB
# SPDX-License-Identifier: MIT
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from __future__ import annotations
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from typing import ClassVar
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class FrozenError(AttributeError):
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"""
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A frozen/immutable instance or attribute have been attempted to be
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modified.
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It mirrors the behavior of ``namedtuples`` by using the same error message
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and subclassing `AttributeError`.
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.. versionadded:: 20.1.0
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"""
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msg = "can't set attribute"
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args: ClassVar[tuple[str]] = [msg]
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class FrozenInstanceError(FrozenError):
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"""
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A frozen instance has been attempted to be modified.
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.. versionadded:: 16.1.0
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"""
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class FrozenAttributeError(FrozenError):
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"""
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A frozen attribute has been attempted to be modified.
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.. versionadded:: 20.1.0
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"""
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class AttrsAttributeNotFoundError(ValueError):
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"""
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An *attrs* function couldn't find an attribute that the user asked for.
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.. versionadded:: 16.2.0
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"""
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class NotAnAttrsClassError(ValueError):
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"""
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A non-*attrs* class has been passed into an *attrs* function.
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.. versionadded:: 16.2.0
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"""
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class DefaultAlreadySetError(RuntimeError):
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"""
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A default has been set when defining the field and is attempted to be reset
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using the decorator.
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.. versionadded:: 17.1.0
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"""
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class UnannotatedAttributeError(RuntimeError):
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"""
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A class with ``auto_attribs=True`` has a field without a type annotation.
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.. versionadded:: 17.3.0
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"""
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class PythonTooOldError(RuntimeError):
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"""
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It was attempted to use an *attrs* feature that requires a newer Python
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version.
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.. versionadded:: 18.2.0
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"""
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class NotCallableError(TypeError):
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"""
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A field requiring a callable has been set with a value that is not
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callable.
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.. versionadded:: 19.2.0
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"""
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def __init__(self, msg, value):
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super(TypeError, self).__init__(msg, value)
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self.msg = msg
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self.value = value
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def __str__(self):
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return str(self.msg)
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