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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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