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List:       pykde
Subject:    Re: Signature of StandardItemModel.headerData()
From:       Stephen Waterbury <waterbug () pangalactic ! us>
Date:       2023-02-06 16:10:53
Message-ID: 848e33f0-ffb0-b418-0a17-ec6c6f928f32 () pangalactic ! us
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On 2/6/23 4:48 AM, Phil Thompson wrote:

> On 06/02/2023 02:16, Stephen Waterbury wrote:
>> According to the C++ documentation
>>
>> https://doc.qt.io/archives/qt-5.12/qstandarditemmodel.html#headerData
>>
>> ... it takes 2 positional args (section, orientation) and 1 keyword arg
>> (role).  If I call it with the 2 positional args, I get a traceback 
>> saying
>>
>> TypeError: headerData() missing 1 required positional argument: 'role'
>>
>> Did pyqt define the 'role' arg as positional?  And if so, why?
>
> No.
>
> Please provide a short working example that demonstrates the problem.
>
> Phil
Oops.  Creating the SSCCE proved that the signature in pyqt is indeed 
correct --
my subclass of QStandardItemModel was the culprit -- it redefined headerData
with "role" as a positional arg.  Sheesh, sorry for the noise! :/


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    <p><font face="Helvetica, Arial, sans-serif">On 2/6/23 4:48 AM, Phil
        Thompson wrote:
        <blockquote type="cite">On 06/02/2023 02:16, Stephen Waterbury
          wrote:
          <br>
          <blockquote type="cite">According to the C++ documentation
            <br>
            <br>
<a class="moz-txt-link-freetext" \
href="https://doc.qt.io/archives/qt-5.12/qstandarditemmodel.html#headerData">https://doc.qt.io/archives/qt-5.12/qstandarditemmodel.html#headerData</a>
  <br>
            <br>
            ... it takes 2 positional args (section, orientation) and 1
            keyword arg
            <br>
            (role).  If I call it with the 2 positional args, I get a
            traceback saying
            <br>
            <br>
            TypeError: headerData() missing 1 required positional
            argument: 'role'
            <br>
            <br>
            Did pyqt define the 'role' arg as positional?  And if so,
            why?
            <br>
          </blockquote>
          <br>
          No.
          <br>
          <br>
          Please provide a short working example that demonstrates the
          problem.
          <br>
          <br>
          Phil
          <br>
        </blockquote>
      </font><font face="Helvetica, Arial, sans-serif">Oops.  Creating
        the SSCCE proved that the signature in pyqt is indeed correct --<br>
        my subclass of QStandardItemModel was the culprit -- it
        redefined headerData<br>
        with "role" as a positional arg.  Sheesh, sorry for the noise! 
        :/</font></p>
    <p><font face="Helvetica, Arial, sans-serif"><br>
      </font></p>
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