[vtkusers] Python 3.5 build failures

[Shawn Waldon]

Hi David,

The vtkPythonInterpreter module is added to the dashboards.

Shawn

On Sun, Oct 4, 2015 at 5:03 PM, David Gobbi <david.gobbi at gmail.com> wrote:

> Hi Matthias,
>
> Thanks for the report.  It looks like the vtkPythonInterpreter module
> (which
> is optional and not needed for the Python wrappers) was not updated for
> Python3.  I'll get this fixedASAP, but you can turn this module off as a
> temporary work around.
>
> This isn't related to Python 3.5, this particular module doesn't build with
> Python 3.4 either.
>
> Ben, can you add Module_vtkPythonInterpreter:BOOL=ON to the Python3
> dashboard builds?
>
>  - David
>
>
> On Sun, Oct 4, 2015 at 2:30 PM, Matthias Blaicher <matthias at blaicher.com>
> wrote:
>
>> Hi,
>>
>> I've just tried to build the master and release-6.3, both fail to build
>> for me. However, it used to work some weeks ago. In that time Arch Linux
>> switched to Python 3.5. Is the current master branch expected to build
>> against Python 3.5?
>>
>> > In file included from
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonInterpreter.cxx:21:0:
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonStdStreamCaptureHelper.h:144:1:
>> error: invalid conversion from ‘char*’ to ‘Py_ssize_t {aka long int}’
>> [-fpermissive]
>> >  };
>> >  ^
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonStdStreamCaptureHelper.h:144:1:
>> error: invalid conversion from ‘PyObject* (*)(PyObject*, PyObject*) {aka
>> _object* (*)(_object*, _object*)}’ to ‘setattrofunc {aka int (*)(_object*,
>> _object*, _object*)}’ [-fpermissive]
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonStdStreamCaptureHelper.h:144:1:
>> error: cannot convert ‘int (*)(PyObject*, PyObject*, PyObject*) {aka int
>> (*)(_object*, _object*, _object*)}’ to ‘PyBufferProcs*’ in initialization
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonStdStreamCaptureHelper.h:144:1:
>> error: invalid conversion from ‘long unsigned int’ to ‘const char*’
>> [-fpermissive]
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonStdStreamCaptureHelper.h:144:1:
>> error: cannot convert ‘char*’ to ‘traverseproc {aka int (*)(_object*, int
>> (*)(_object*, void*), void*)}’ in initialization
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonStdStreamCaptureHelper.h:144:1:
>> error: cannot convert ‘PyMethodDef*’ to ‘PyMemberDef*’ in initialization
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonStdStreamCaptureHelper.h:144:1:
>> error: cannot convert ‘PyMemberDef*’ to ‘PyGetSetDef*’ in initialization
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonStdStreamCaptureHelper.h:144:1:
>> error: invalid conversion from ‘PyObject* (*)(PyTypeObject*, PyObject*,
>> PyObject*) {aka _object* (*)(_typeobject*, _object*, _object*)}’ to
>> ‘freefunc {aka void (*)(void*)}’ [-fpermissive]
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonInterpreter.cxx:
>> In function ‘void {anonymous}::vtkPrependPythonPath(const char*)’:
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonInterpreter.cxx:64:54:
>> error: ‘PyString_FromString’ was not declared in this scope
>> >      PyObject* newpath = PyString_FromString(pathtoadd);
>> >                                                       ^
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonInterpreter.cxx:
>> In static member function ‘static void
>> vtkPythonInterpreter::SetProgramName(const char*)’:
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonInterpreter.cxx:191:42:
>> error: cannot convert ‘char*’ to ‘wchar_t*’ for argument ‘1’ to ‘void
>> Py_SetProgramName(wchar_t*)’
>> >      Py_SetProgramName(pool.Strings.back());
>> >                                           ^
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonInterpreter.cxx:
>> In static member function ‘static int vtkPythonInterpreter::PyMain(int,
>> char**)’:
>> >
>> /home/mabl/aur/vtk/src/vtk/Utilities/PythonInterpreter/vtkPythonInterpreter.cxx:228:28:
>> error: cannot convert ‘char**’ to ‘wchar_t**’ for argument ‘2’ to ‘int
>> Py_Main(int, wchar_t**)’
>> >    return Py_Main(argc, argv);
>> >                             ^
>> >
>> Utilities/PythonInterpreter/CMakeFiles/vtkPythonInterpreter.dir/build.make:72:
>> recipe for target
>> 'Utilities/PythonInterpreter/CMakeFiles/vtkPythonInterpreter.dir/vtkPythonInterpreter.cxx.o'
>> failed
>> > make[2]: ***
>> [Utilities/PythonInterpreter/CMakeFiles/vtkPythonInterpreter.dir/vtkPythonInterpreter.cxx.o]
>> Error 1
>> > CMakeFiles/Makefile2:38331: recipe for target
>> 'Utilities/PythonInterpreter/CMakeFiles/vtkPythonInterpreter.dir/all' failed
>> > make[1]: ***
>> [Utilities/PythonInterpreter/CMakeFiles/vtkPythonInterpreter.dir/all] Error
>> 2
>> > make[1]: *** Waiting for unfinished jobs....
>>
>> Very best,
>> Matthias
>>
>
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