Public bug reported:
The "debug" function in mu-editor is broken in the version shipped in
Ubuntu disco. Since mu is intended as a tool for teaching beginner
programmers this servely limits it's usefulness.
Nick Morrot and I have already fixed this in sid and the fix from sid
has already migrated to buster and eoan.
[Test Case]
Install mu-editor and run it through the programs menu.
Make sure you are in "python 3" mode. On the first run a box should pop
up to select the mode. On later runs you can change mode through the
????
Write a small python program and click on the debug button. The expected
behavior is that debugging starts, but instead
> Traceback (most recent call last):
>
> File "/usr/share/mu-editor/mu/mu-debug.py", line 4, in <module>
>
> from mu.app import debug
>
> ModuleNotFoundError: No module named 'mu'
[Analysis]
This is a python path issue. mu-editor's python modules are installed
under /usr/share/mu-editor/ . The main editor binary is installed in
/usr/share/mu-editor and so finds the modules successfully though
sys.path[0], however the debugger script is installed in /usr/share/mu-
editor/mu and so does not find the modules.
The fix is to tweak sys.path in the debugger script before loading mu
modules.
[Regression Potential]
Potential for regression seems minimal. mu-editor is a leaf package and
written in pure python. The debugger script in question is currently
unusable.
** Affects: mu-editor (Ubuntu)
Importance: Undecided
Status: Fix Released
** Changed in: mu-editor (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1835320
Title:
mu-editor python debugger broken.
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