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Old 10-05-2019, 08:53 AM   #1
Registered: Oct 2009
Distribution: Slackware
Posts: 417

Rep: Reputation: 191Reputation: 191
Frescobaldi 2.20.0 and slackware current

I'm running Frescobaldi (an IDE for lilypond) from my home directory, and it worked through June and july. It's crashing on startup, and I'm not sure if it's due to the rebuild of python 2.7 on September 8 or the upgrade of PyQT-4 on August 21.

other dependencies:

python-poppler-qt4 (, python-ly ( Both of which I rebuilt last night.

The error I'm getting on startup:

Traceback (most recent call last):
  File "./frescobaldi", line 10, in <module>
    app.instantiate()               # Construct QApplication object
  File "/home/hildegard/bin/frescobaldi-2.20.0/frescobaldi_app/", line 123, in instantiate
  File "/home/hildegard/bin/frescobaldi-2.20.0/frescobaldi_app/", line 191, in emit, kwargs)
  File "/home/hildegard/bin/frescobaldi-2.20.0/frescobaldi_app/", line 317, in call
    return self.func(*args[self.argslice], **kwargs)
  File "/home/hildegard/bin/frescobaldi-2.20.0/frescobaldi_app/", line 55, in initialize
  File "/home/hildegard/bin/frescobaldi-2.20.0/frescobaldi_app/", line 42, in setStyle
    style = QSettings().value("guistyle", "", type("")).lower()
AttributeError: 'QString' object has no attribute 'lower
Any ideas? I don't know enough about python to know what's breaking. I'm not adverse to Frescobaldi 3, although it needs PyQT-5, python-poppler-qt5.

ETA: installed frescobaldi via it's slackbuild for the purposes of testing (repackaging the version I was using), and same error message.

Last edited by garpu; 10-05-2019 at 08:59 AM.
Old 10-06-2019, 04:21 AM   #2
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Registered: Jan 2006
Location: Ireland
Distribution: Slackware & Android
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Originally Posted by garpu
AttributeError: 'QString' object has no attribute 'lower
With python errors, ignore the tailspin and focus on the error - that line.

It sounds like it's bellyaching over QT.
Old 10-06-2019, 08:52 AM   #3
Registered: Oct 2009
Distribution: Slackware
Posts: 417

Original Poster
Rep: Reputation: 191Reputation: 191
Interesting, so likely the PyQT4 rebuild. I'd try building frescobaldi by source, but it doesn't look like there's an actual source tarball anymore.

I wonder if any other things are impacted?

Last edited by garpu; 10-06-2019 at 10:01 AM.


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