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Re: pyqt widget plugins for qt-designer do not seem to work (cygwin)

Am 13.01.2019 um 13:42 schrieb Biofysikos Biologos:

The situation is as follows:

I have installed pyqt for qt5 on my cygwin platform using the following command.

apt-cyg install python-pyqt5

I have also installed Qt Designer using (FYI: I also installed the x-server)

apt-cyg install qt5-devel-tools

I have found the location of the widget plugins using:

$ qtdiag-qt5 | grep Plugins
   PluginsPath: /usr/lib/qt5/plugins

and the plugins for qt-designer are found in


To check that the plugins work I have installed some dll's inside the
above folder and they do show up in the widget palette of Qt Designer.

Moreover I have installed cygpyqt5.dll which does not seem to work as
it is supposed to check inside /usr/lib/qt5/plugins/designer/python

for pyqt widget plugins and add them to the widget palette. I DO have
a few pyqt plugins inside the folder but cygpyqt5.dll does not find

I am using python 2.7 and qt 5.9.4

Have in mind that I have tried it on my Mac and it works, but it does
not work on cygwin. Any help is appreciated!

Thank you,


the cygwin packages is 5.9.2-1 version


so how you installed 5.9.4 ?

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