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from __future__ import absolute_import, division, print_function |
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class FrozenInstanceError(AttributeError): |
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""" |
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A frozen/immutable instance has been attempted to be modified. |
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It mirrors the behavior of ``namedtuples`` by using the same error message |
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and subclassing :exc:`AttributeError`. |
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.. versionadded:: 16.1.0 |
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""" |
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msg = "can't set attribute" |
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args = [msg] |
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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 using ``attr.ib()`` 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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""" |