[PyQt] Advices on embedding python in Qt/C++ application

[Phil Thompson]

Have you read this...

https://www.riverbankcomputing.com/static/Docs/sip/embedding.html

On 27/08/2019 09:45, Alexis Barbot wrote:
> What do you mean? Should I import this module in the python context? I
> tried adding this line wihtout any effect:
> `PyRun_SimpleString("import PyQt5.QtCore")`
> 
> If we're speaking about some cpp header to include, I can't see which 
> one
> it is.
> Thanks
> 
> Le mar. 27 août 2019 à 10:25, Phil Thompson 
> <phil at riverbankcomputing.com> a
> écrit :
> 
>> On 27/08/2019 08:29, Alexis Barbot wrote:
>> > Thanks for these replies,
>> >
>> > First of all, I had a look at PythonQt which indeed looked promising in
>> > my
>> > case. However I had toubles to build it, so I skipped that solution.
>> > Now I
>> > understand that this was probably caused by the compilation attempt
>> > with
>> > mingw while using a binary python installer, obviously compiled using
>> > msvc.
>> > Furthermore, I got some success with PyQt: after preparing all paths
>> > and
>> > adding several flags to the configure command, I could perform the
>> > complete
>> > build wihtout errors. I so tried to write a small piece of code to
>> > validate
>> > my usage. It builds correctly, but it suddenly stop while running
>> > without
>> > any error message. Here is the code:
>> >
>> > ```
>> > #include <QDebug>
>> > #include <Python.h>
>> > #include <QDateTime>
>> > #include <sipAPIQtCore.h>
>> > #include <memory>
>> >
>> > int main(int argc, char* argv[])
>> > {
>> >     qDebug() << "start";
>> >     Py_Initialize();
>> >     auto d = PyDict_New();
>> >     auto test = std::make_unique<QDateTime>();
>> >     auto pyTest = sipConvertFromType(test.get(), sipType_QDateTime,
>> > nullptr);
>> >     qDebug() << "end";
>> >     Py_FinalizeEx();
>> >     return 0;
>> > }
>> > ```
>> >
>> > It sounds like everything is installed but I'm missing some
>> > initialization
>> > step. Is that possible? Or maybe there's something else I should
>> > check/try?
>> > Many thanks for your help.
>> 
>> You haven't imported PyQt5.QtCore.
>> 
>> Phil
>> 
> 
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