Hi Folks,
First poster here...
I've written a Python code editor for beginner programmers called Mu --
it's based upon feedback from teachers and learners. You can learn more
about it here: https://codewith.mu/
It's currently only 3.5k lines of Python and PyQt is a fundamental
aspect of Mu. I override QScintilla for the editor widget and I've found
it works really well for my use cases. Thanks to everyone on this list
who has made such amazing work available for the likes of me to use.
However, I've just done a "fresh" setup in a clean Python 3 virtualenv
and I get errors.
Pip reports I have
QScintilla-2.10.5-5.11.1-cp35.cp36.cp37.cp38-abi3-manylinux1_x86_64.whl
installed but PyQt is the latest 5.11 release from today.
When I run my code that has worked in all previous releases of PyQt I
get this:
QObject::connect: No such signal
EditorPane::marginClicked(int,int,KeyboardModifiers)
Traceback (most recent call last):
File "./run.py", line 6, in <module>
run()
File "/home/ntoll/src/mu/mu/app.py", line 138, in run
editor.restore_session(sys.argv[1:])
File "/home/ntoll/src/mu/mu/logic.py", line 668, in restore_session
self._view.add_tab(None, py, self.modes[self.mode].api(), NEWLINE)
File "/home/ntoll/src/mu/mu/interface/main.py", line 263, in add_tab
new_tab.connect_margin(self.breakpoint_toggle)
File "/home/ntoll/src/mu/mu/interface/editor.py", line 170, in
connect_margin
self.marginClicked.connect(func)
TypeError: connect() failed between (int,int,Qt::KeyboardModifiers) and
unislot()
It looks to me that marginClicked signal no longer exists (EditorPane is
a child class of QsciScintilla). However, when I look at the resulting
object it appears to be there. The handler I'm using looks like this:
def debug_toggle_breakpoint(self, margin, line, modifiers):
"""
How to handle the toggling of a breakpoint.
"""
.... etc ....
Which looks like the right signature given the signal.
Any idea what's going on..? Am I missing something here..?
I believe this may be a bug caused by Qt5.11, since the API docs don't
suggest anything has changed, I can't find anything in the changes
described in the release notes for this latest version and it's broken
existing code that appears to work in a bog-standard way. (However, I
hope it's a problem of *my* making and not a problem with the released
libraries.)
Thanks in advance for any help offered!
N.
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