sip-build fails with AttributeError

[Phil Thompson]

Hopefully fixed in the next snapshot.

Thanks,
Phil

On 18/02/2023 09:17, Guðjón Guðjónsson wrote:
> Hi again list
> 
> Finally PyQt-Qwt builds for Qwt 6.1.4 (Qt5), 6.1.6 (Qt5) and 6.2.0 (Qt5 
> and
> Qt6)
> 
> But I am pretty sure I have found a bug in sip-build 6.7.7.
> 
> I changed my class definition from
> class QwtAbstractLegend : QFrame
> to
> class QwtAbstractLegend : QFrames
> to create an error.
> 
> When compiling with sip-build 6.7.7 I get the error below that gives no
> relevant information [1]
> But sip-build 6.6.2 gives the following output:
> 
> These bindings will be built: Qwt.
> Generating the Qwt bindings...
> sip-build: ::QFrames has not been defined
> 
> Which is useful for me.
> 
> And the other problem is:
> 
> That the code:
> %If(- Qwt_6_1_6)
> class QwtAbstractScaleDraw
> 
> doesn't work.
> If I set
> tag = Qwt_6_1_5
> in project.py, it works perfectly.
> I have this problem with both sip-tools 6.6.2 and 6.7.7 but the error
> message is better
> from 6.6.2.
> 
> Regards
> Gudjon
> 
> 
> 
> 
> 
> 
> 
> [1]
> These bindings will be built: Qwt.
> Generating the Qwt bindings...
> sip-build: An internal error occurred...
> Traceback (most recent call last):
>   File "/usr/bin/sip-build", line 33, in <module>
>     sys.exit(load_entry_point('sip==6.7.7', 'console_scripts',
> 'sip-build')())
> 
>  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>   File "/usr/lib/python3/dist-packages/sipbuild/tools/build.py", line 
> 37,
> in main
>     handle_exception(e)
>   File "/usr/lib/python3/dist-packages/sipbuild/exceptions.py", line 
> 81, in
> handle_exception
>     raise e
>   File "/usr/lib/python3/dist-packages/sipbuild/tools/build.py", line 
> 34,
> in main
>     project.build()
>   File "/usr/lib/python3/dist-packages/sipbuild/project.py", line 244, 
> in
> build
>     self.builder.build()
>   File "/usr/lib/python3/dist-packages/sipbuild/builder.py", line 48, 
> in
> build
>     self._generate_bindings()
>   File "/usr/lib/python3/dist-packages/sipbuild/builder.py", line 277, 
> in
> _generate_bindings
>     buildable = bindings.generate()
>                 ^^^^^^^^^^^^^^^^^^^
>   File "/usr/lib/python3/dist-packages/sipbuild/bindings.py", line 172, 
> in
> generate
>     resolve(spec, modules)
>   File
> "/usr/lib/python3/dist-packages/sipbuild/generator/resolver/resolver.py",
> line 94, in resolve
>     _set_mro(spec, klass, error_log)
>   File
> "/usr/lib/python3/dist-packages/sipbuild/generator/resolver/resolver.py",
> line 725, in _set_mro
>     _set_mro(spec, superklass, error_log, seen=seen)
>   File
> "/usr/lib/python3/dist-packages/sipbuild/generator/resolver/resolver.py",
> line 763, in _set_mro
>     klass.metatype = klass.iface_file.module.default_metatype
>                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> AttributeError: 'NoneType' object has no attribute 'default_metatype'