Fix: Make sure to not depend on PyQt#7
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psobolewskiPhD wants to merge 1 commit intojuglab:masterfrom
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This was referenced Oct 2, 2022
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Hi, your
requirements.txthasnapari[all], which ends up bringing PyQt5:See:
https://github.com/napari/napari/blob/3bf872cbb1df98665fdb7d5e0f3e1a4845a84202/setup.cfg#L97-L106
This is problematic when using conda installed napari, which will have Qt from conda that has a different name (
pyqt), breaking the environment. This can happen if the user uses the plugin GUI to install.Another example is on arm64 macOS where pip doesn't have a wheel for PyQt5, so conda-forge is the only option, because building the binary from source is problematic.
The napari guide for plugins suggests avoiding this:
https://napari.org/stable/plugins/best_practices.html#don-t-include-pyside2-or-pyqt5-in-your-plugin-s-dependencies
Likewise, there is an import from PyQt, which is likewise problematic.
So in this PR I've replaced the import from PyQt with the equivalent import from
qtpywhich can use whatever Qt is available and then changed the requirement fromnapari[all]tonapariwith the addition ofqtpy.Now on my arm64 macOS this package installs with no issues.