mnemosyne crashed after trying

[Hugo Coolens]

Dear all,

I tried to increase the font size for non-latin characters with three pixels using the settings menu, I got a list of errors after doing that, and now every time I try to start mnemosyne I'm getting the attached error message window. How can I get mnemosyne back to work?

kind regards,

hugo

[Peter Bienstman]

Hi,

Try deleting config.db and try again. Let me know if the problem persists.

Cheers,

Peter

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[Hugo Coolens]

Removing config.db lets me start mnemosyne as normal. However trying to change, the font size or font type leads to crashes.

I have an example here below:

coolens@antec2:~$ mnemosyne
qt.webenginecontext:

GL Type: desktop
Surface Type: OpenGL
Surface Profile: CompatibilityProfile
Surface Version: 4.6
QSG RHI Backend: OpenGL
Using Supported QSG Backend: yes
Using Software Dynamic GL: no
Using Multithreaded OpenGL: yes

Init Parameters:
  *  application-name Mnemosyne
  *  browser-subprocess-path /home/coolens/.local/lib/python3.10/site-packages/PyQt6/Qt6/libexec/QtWebEngineProcess
  *  create-default-gl-context  
  *  disable-features ConsolidatedMovementXY,InstalledApp,BackgroundFetch,WebOTP,WebPayments,WebUSB,PictureInPicture
  *  disable-setuid-sandbox  
  *  disable-speech-api  
  *  enable-features NetworkServiceInProcess,TracingServiceInProcess
  *  enable-threaded-compositing  
  *  in-process-gpu  
  *  use-gl desktop

Log body:
 An unexpected error has occurred.
Please forward the following info to the developers:

Traceback (innermost last):
  File "/usr/local/bin/mnemosyne", line 4, in <module>
    __import__('pkg_resources').run_script('Mnemosyne==2.10', 'mnemosyne')
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 656, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 1453, in run_script
    exec(code, namespace, namespace)
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/EGG-INFO/scripts/mnemosyne", line 312, in <module>
    mnemosyne.initialise(data_dir=data_dir, filename=filename,
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/__init__.py", line 462, in initialise
    self.start_review()
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/__init__.py", line 584, in start_review
    self.controller().set_study_mode(self.study_mode_with_id(\
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/controllers/default_controller.py", line 114, in set_study_mode
    study_mode.activate()
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/study_modes/scheduled_forgotten_new.py", line 23, in activate
    self.review_controller().reset(new_only=False)
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/review_controllers/SM2_controller.py", line 53, in reset
    self.show_new_question()
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/review_controllers/SM2_controller.py", line 115, in show_new_question
    self.update_dialog()
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/review_controllers/SM2_controller.py", line 196, in update_dialog
    self.update_qa_area(redraw_all)
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/review_controllers/SM2_controller.py", line 228, in update_qa_area
    w.set_question(self.card.question(self.render_chain))
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/card.py", line 96, in question
    return self.card_type.render_question\
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/card_type.py", line 76, in render_question
    return self.render_chain(render_chain).\
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/render_chain.py", line 153, in render_question
    return self._render(card, fact_keys, decorators, **render_args)
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/render_chain.py", line 178, in _render
    fact_data[fact_key] = filter.run(fact_data[fact_key],
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/libmnemosyne/filters/non_latin_font_size_increase.py", line 52, in run
    base_font_size = self.main_widget().default_font_size()
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/mnemosyne/pyqt_ui/main_wdgt.py", line 120, in default_font_size
    return QtWidgets.qApp.font().pointSize()
 AttributeError: module 'PyQt6.QtWidgets' has no attribute 'qApp'

An unexpected error has occurred.
Please forward the following info to the developers:

Traceback (innermost last):
  File "/usr/local/bin/mnemosyne", line 4, in <module>
    __import__('pkg_resources').run_script('Mnemosyne==2.10', 'mnemosyne')
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 656, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 1453, in run_script
    exec(code, namespace, namespace)
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10-py3.10.egg/EGG-INFO/scripts/mnemosyne", line 312, in <module>
    mnemosyne.initialise(data_dir=data_dir, filename=file

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[Peter Bienstman]

Could you try with 2.10.1? It should be fixed in the latest release.

Cheers,

Peter

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[Hugo Coolens]

Peter,

I installed 2.10.1 and the problem with increasing the size of the non-latin characters with extra points is solved, thanks a lot. I also tried to change the font to times new roman in stead of ubuntu regular. Unfortunately, this results in a crash.

As you can see below:

/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/__init__.py:377: UserWarning: google_trans_new package is not installed. Google translate feature will not be available.
  warnings.warn("google_trans_new package is not installed. Google translate feature will not be available.")

    __import__('pkg_resources').run_script('Mnemosyne==2.10.1', 'mnemosyne')

  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 656, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 1453, in run_script
    exec(code, namespace, namespace)

  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/EGG-INFO/scripts/mnemosyne", line 312, in <module>
    mnemosyne.initialise(data_dir=data_dir, filename=filename,
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/__init__.py", line 462, in initialise
    self.start_review()
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/__init__.py", line 584, in start_review
    self.controller().set_study_mode(self.study_mode_with_id(\
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/controllers/default_controller.py", line 114, in set_study_mode
    study_mode.activate()
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/study_modes/scheduled_forgotten_new.py", line 23, in activate
    self.review_controller().reset(new_only=False)
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/review_controllers/SM2_controller.py", line 53, in reset
    self.show_new_question()
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/review_controllers/SM2_controller.py", line 115, in show_new_question
    self.update_dialog()
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/review_controllers/SM2_controller.py", line 196, in update_dialog
    self.update_qa_area(redraw_all)
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/review_controllers/SM2_controller.py", line 228, in update_qa_area
    w.set_question(self.card.question(self.render_chain))
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/card.py", line 96, in question
    return self.card_type.render_question\
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/card_type.py", line 76, in render_question
    return self.render_chain(render_chain).\
  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/render_chain.py", line 153, in render_question

    return self._render(card, fact_keys, decorators, **render_args)

  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/render_chain.py", line 178, in _render

    fact_data[fact_key] = filter.run(fact_data[fact_key],

  File "/usr/local/lib/python3.10/dist-packages/Mnemosyne-2.10.1-py3.10.egg/mnemosyne/libmnemosyne/filters/non_latin_font_size_increase.py", line 55, in run
    family,size,x,x,w,i,u,s,x,x,x,x,x,x,x,x,style \
 ValueError: not enough values to unpack (expected 17, got 16)

An unexpected error has occurred.
Please forward the following info to the developers:

Traceback (innermost last):
  File "/usr/local/bin/mnemosyne", line 4, in <module>

    __import__('pkg_resources').run_script('Mnemosyne==2.10.1', 'mnemosyne')

  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 656, in run_script
    self.require(requires)[0].run_script(script_name, ns)
  File "/usr/lib/python3/dist-packages/pkg_resources/__init__.py", line 1453, in run_script
    exec(code, namespace, namespace)
  File "/usr/local/lib/python3.10/dist-packages/Mne

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[Peter Bienstman]

Can you try again with removing config.db?

If that doesn't work, it's probably because linux reports the font
properties slightly differently than Windows.

Peter

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[Hugo Coolens]

I tried removing config.db but the problem does not go away.

kind regards,

Hugo

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[Peter Bienstman]

Can you try this version?

https://www.dropbox.com/scl/fi/tr5cni6itp8065ggr2794/Mnemosyne-2.10.1.tar.gz?rlkey=qw2c0mt9zw83y7nuqysogjnmf&dl=0

Cheers,

Peter

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[Hugo Coolens]

Dag Peter,

I tried out the version you suggested, it works like a charm! Thanks a lot.

hugo

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