Greetings,
I am starting the Python/PySide6/Shiboken6 journey. I built Pyside6 from source
fine (git branch 6.3; SetupTools workflow) as per the instructions. I could
configure a simple bindings setup where I generate bindings for one struct (my
project is a library in C++/Qt6). The struct is very simple:
struct PMSPP_LIB_DECL DataPoint
{
pappso_double x = -1;
pappso_double y = 0;
DataPoint();
DataPoint(const DataPoint &other);
DataPoint(pappso_double x, pappso_double y);
DataPoint(std::pair<pappso_double, pappso_double> pair);
DataPoint(const QString &text);
// For debugging purposes.
//~DataPoint();
DataPointCstSPtr makeDataPointCstSPtr() const;
void initialize(pappso_double x, pappso_double y);
void initialize(const DataPoint &other);
bool initialize(const QString &text);
void reset();
void incrementX(pappso_double value);
void incrementY(pappso_double value);
bool operator==(const DataPoint &other) const;
DataPoint &operator=(const DataPoint &other);
bool isValid() const;
QString toString() const;
QString toString(int decimals) const;
};
I can build the bindings shared library fine.
Then I start the Python interpreter and 'import <module name>' but I get this
error message:
ImportError: could not import module 'PySide6.QtCore'
That is odd, because I have set PYTHONPATH to the directory were all the shared
libs are located. If I 'import PySide6', the module is loaded fine.
I thus tried to dig a bit:
dir(PySide6)
['Path', '__all__', '__builtins__', '__cached__', '__doc__', '__file__',
'__loader__', '__name__', '__package__', '__path__', '__spec__', '__version__',
'__version_info__', '_additional_dll_directories', '_find_all_qt_modules',
'_setupQtDirectories', 'dedent', 'os', 'support', 'sys']
PySide6._find_all_qt_modules()
['QtCore', 'QtGui', 'QtWidgets', 'QtPrintSupport', 'QtSql', 'QtNetwork',
'QtTest', 'QtConcurrent', 'QtDesigner', 'QtXml', 'QtHelp', 'QtMultimedia',
'QtMultimediaWidgets', 'QtOpenGL', 'QtOpenGLWidgets', 'QtQml', 'QtQuick',
'QtQuickControls2', 'QtQuickWidgets', 'QtSvg', 'QtSvgWidgets', 'QtUiTools',
'QtDBus']
So I tried this:
from PySide6 import QtCore
ImportError: libpyside6.cpython-310-x86_64-linux-gnu.so.6.3: cannot open shared
object file: No such file or directory
But that library happens to be in the PYTHONPATH:
print(sys.path)
['/home/rusconi/devel/small-pyside6/lib/python3.10/site-packages', ...snip...]
From the shell:
% ls /home/rusconi/devel/small-pyside6/lib/python3.10/site-packages/PySide6
assistant Qt
QtNetwork.cpython-310-x86_64-linux-gnu.so
QtSql.pyi
_config.py
QtConcurrent.cpython-310-x86_64-linux-gnu.so QtNetwork.pyi
QtSvg.cpython-310-x86_64-linux-gnu.so
designer QtConcurrent.pyi
QtOpenGL.cpython-310-x86_64-linux-gnu.so
QtSvg.pyi
examples
QtCore.cpython-310-x86_64-linux-gnu.so QtOpenGL.pyi
QtSvgWidgets.cpython-310-x86_64-linux-gnu.so
__feature__.pyi QtCore.pyi
QtOpenGLWidgets.cpython-310-x86_64-linux-gnu.so
QtSvgWidgets.pyi
_git_pyside_version.py
QtDBus.cpython-310-x86_64-linux-gnu.so QtOpenGLWidgets.pyi
QtTest.cpython-310-x86_64-linux-gnu.so
glue QtDBus.pyi
QtPrintSupport.cpython-310-x86_64-linux-gnu.so
QtTest.pyi
include
QtDesigner.cpython-310-x86_64-linux-gnu.so QtPrintSupport.pyi
QtUiTools.cpython-310-x86_64-linux-gnu.so
__init__.py QtDesigner.pyi
QtQml.cpython-310-x86_64-linux-gnu.so
QtUiTools.pyi
libpyside6.cpython-310-x86_64-linux-gnu.so.6.3
QtGui.cpython-310-x86_64-linux-gnu.so QtQml.pyi
QtWidgets.cpython-310-x86_64-linux-gnu.so
libpyside6qml.cpython-310-x86_64-linux-gnu.so.6.3 QtGui.pyi
QtQuickControls2.cpython-310-x86_64-linux-gnu.so
QtWidgets.pyi
linguist
QtHelp.cpython-310-x86_64-linux-gnu.so QtQuickControls2.pyi
QtXml.cpython-310-x86_64-linux-gnu.so
lrelease QtHelp.pyi
QtQuick.cpython-310-x86_64-linux-gnu.so
QtXml.pyi
lupdate
QtMultimedia.cpython-310-x86_64-linux-gnu.so QtQuick.pyi
scripts
__pycache__ QtMultimedia.pyi
QtQuickWidgets.cpython-310-x86_64-linux-gnu.so
support
py.typed
QtMultimediaWidgets.cpython-310-x86_64-linux-gnu.so QtQuickWidgets.pyi
typesystems
qmllint QtMultimediaWidgets.pyi
QtSql.cpython-310-x86_64-linux-gnu.so
We can see that libpyside6.cpython-310-x86_64-linux-gnu.so.6.3 is actually there
and also all the other modules, in particular
QtCore.cpython-310-x86_64-linux-gnu.so.
What am I doing wrong here ?
Thank you for your patience
Sincerely,
newbie Filippo
--
⢀⣴⠾⠻⢶⣦⠀ Filippo Rusconi, PhD
⣾⠁⢠⠒⠀⣿⡁ Research scientist at CNRS
⢿⡄⠘⠷⠚⠋⠀ Debian Developer
⠈⠳⣄⠀⠀⠀⠀ http://msxpertsuite.org
http://www.debian.org
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