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Inspection covers such cases: * Extending typing.Generic in new-style generic classes * Extending parameterized typing.Protocol in new-style generic classes * Using generic upper bounds and constraints with type parameters for ParamSpec and TypeVarTuple * Mixing traditional and new-style type variables * Using traditional type variables in new-style type aliases GitOrigin-RevId: 8812959f64d2d87e1b72f713405edb86936220b9
36 lines
1.1 KiB
HTML
36 lines
1.1 KiB
HTML
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<p>Reports invalid usage of <a href="https://www.python.org/dev/peps/pep-0695/">PEP 695</a> type parameter syntax
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<p>
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Finds the following problems in function and class definitions and new-style type alias statements:
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<ul>
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<li>Extending typing.Generic in new-style generic classes</li>
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<li>Extending parameterized typing.Protocol in new-style generic classes</li>
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<li>Using generic upper bounds and constraints with type parameters for ParamSpec and TypeVarTuple</li>
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<li>Mixing traditional and new-style type variables</li>
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<li>Using traditional type variables in new-style type aliases</li>
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</ul>
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<p>
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Examples:
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</p>
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<pre><code>
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from typing import Generic
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class Example[T](Generic[T]): ... # Classes with type parameter list should not extend 'Generic'
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</code></pre>
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<pre><code>
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class Example[T: (list[S], str)]: ... # Generic types are not allowed inside constraints and bounds of type parameters
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</code></pre>
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<pre><code>
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from typing import TypeVar
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K = TypeVar("K")
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class ClassC[V]:
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def method2[M](self, a: M, b: K) -> M | K: ... # Mixing traditional and new-style TypeVars is not allowed
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</code></pre>
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</body>
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