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PyQt in core-updates

From: Andreas Enge
Subject: PyQt in core-updates
Date: Sat, 18 Mar 2023 16:19:46 +0100


the attached patch seems to be necessary to start configuring python-pyqt
in core-updates.

But then the configure step still fails. The error message of "guix build"
is not helpful, but running the configure step in the result of "guix build -K"
shows the following:
The interpreter used by pyuic5 is
Generating the C++ source for the QtCore module...
Error: Unable to create the C++ code.

A search seems to indicate that sip does not do its job, but the exact same
error with this PyQt version does not show up.

The error message comes from the function
def generate_sip_module_code
in, which creates a command that is run with run_command.
Precisely, the command is
/gnu/store/zd8nrmc0207l90vscnf7dlswd6z16aas-python-sip-5.5.0/bin/sip5 -w -n 
PyQt5.sip -t WS_X11 -t Qt_5_15_0 -f -P -o -y QtCore.pyi -c 
/tmp/guix-build-python-pyqt-5.15.8.drv-2/PyQt5-5.15.8/QtCore -I sip -I 

If I run it by hand, it prints
 syntax error
This line 23 is very simple:
%Module(name=PyQt5.QtCore, call_super_init=True, 
default_VirtualErrorHandler=PyQt5, keyword_arguments="Optional", 
use_limited_api=True, py_ssize_t_clean=True)

And anyway, it is part of the source code...

There is a version 5.15.9 of PyQt (interestingly enough, not related to a
corresponding Qt version), with NEWS stating "Bug fixes", but what I have
written above is still valid.

At this point, I have to give up for lack of knowledge about sip.


Attachment: 0001-gnu-python-pyqt-Set-variable-in-configure-script.patch
Description: Text document

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