Bug#1089968: pyzo: python3-qtpy dropping dependency on PyQt5; Dependencies need updating

[Stuart Prescott]

Control: tags -1 + patch

pyzo can work with numerous different Python Qt layers - since we now 
have PySide6 in the archive, here's a simple patch that has pyzo depend 
on the relevant packages.

However, with only this patch, pyzo might still run with PyQt5 if it is 
installed because that's the search order that the code uses. The 
automated selection won't verify that all the necessary parts of PyQt5 
are present which could cause later problems. The Python Qt layer in use 
can be verified in Help → About.

To ensure that PySide6 is used and that the dependencies are indeed met 
at runtime, one needs to run

	QT_API=pyside6 pyzo

Rather than a symlink to /usr/share/pyzo/run, perhaps /usr/bin/pyzo 
needs to become a simple shell script:

#!/bin/sh
export QT_API=pyside6
exec /usr/share/pyzo/run

I can include that in the packaging and update d/pyzo.install, 
d/pyzo.links to install that and then do a team upload.

Thoughts?


-- 
Stuart Prescott   http://www.nanonanonano.net/ stuart at nanonanonano.net
Debian Developer  http://www.debian.org/       stuart at debian.org
GPG fingerprint   90E2 D2C1 AD14 6A1B 7EBB 891D BBC1 7EBB 1396 F2F7
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