tp_richcompare

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  • Sreeram Kandallu
    #1

    tp_richcompare

    I'm writing an extension type, for which i'd like to implement only ==
    and !=, but not the other comparison operators like <,<=,>,>=.
    What is the right way to do this?
    I currently have a tp_richcompare function, which handles Py_EQ, and
    Py_NE, but raises a TypeError for the other operations. Is this the
    'right' way?

    Sreeram


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    • Ziga Seilnacht
      #2
      Re: tp_richcompare

      Sreeram Kandallu wrote:[color=blue]
      > I'm writing an extension type, for which i'd like to implement only ==
      > and !=, but not the other comparison operators like <,<=,>,>=.
      > What is the right way to do this?
      > I currently have a tp_richcompare function, which handles Py_EQ, and
      > Py_NE, but raises a TypeError for the other operations. Is this the
      > 'right' way?[/color]

      Yes. This is exactly what the builtin complex type does.
      [color=blue]
      > Sreeram
      >[/color]

      Ziga

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