AppDir is not properly deployed by go-appimage

[miticollo]

Environment

• TeXstudio: git 4.8.7-7-gbb1eef3e0 (AppImage)
• Qt: Version 5.15.3, compiled with Qt 5.15.3 R
• OS: Manjaro on Linux kernel 6.1.134-1
• TeX distribution: TeXLive 2025

Expected behavior

A successful compilation.

See also foo.log compile with TeXstudio git 4.8.6-49-gb5a13eb40.

Actual behavior

In Message tab appears:

Process started: pdflatex -synctex=1 -interaction=nonstopmode --file-line-error "foo".tex

Fatal Python error: Failed to import encodings module Python runtime state: core initialized ModuleNotFoundError: No module named 'encodings' Current thread 0x00007f59e244ebc0 (most recent call first): <no Python frame>
system returned with code 256
Process exited with error(s)


Process started: pdflatex -synctex=1 -interaction=nonstopmode --file-line-error "foo".tex

Fatal Python error:
Failed to import encodings module

Python runtime state:
core initialized ModuleNotFoundError: No module named 'encodings' Current thread 0x00007fcddbb9abc0 (most recent call first): <no Python frame>
system returned with code 256
Process exited with error(s)

See also foo.log.

I get a compiled PDF without syntax highlighting because pygmentize is not properly invoked.

How to reproduce

Consider the following MWE:

\documentclass{article}
\usepackage{minted}
\begin{document}
	\begin{minted}{c}
		int main() {
			printf("hello, world");
			return 0;
		}
	\end{minted}
\end{document}

At the moment to workaround this issue, I use the build version based on this commit. You can download it from here.

[sunderme]

works fine on Ubuntu 24.04

2 Points:

1. Manjaro is not our build. I would recommend building locally against Qt6.
2. check that it actually works on commandline directly.

[miticollo]

1. Manjaro is not our build. I would recommend building locally against Qt6.

I followed your cd.yml and I successfully compiled TeXstudio. It works! Anyway I used Qt5.

2. check that it actually works on commandline directly.

It always works. I use the following command:

latexmk --halt-on-error --file-line-error -pdflualatex=/usr/local/texlive/2025/bin/x86_64-linux/lualatex -lualatex foo.tex

Anyway I noticed that if I use AppImage (based on latest commit) every GUI label is in English and I can't change the UI language. This doesn't happen with my version locally compiled. Compare below.

Compiled locally	AppImage

[miticollo]

Mystery SOLVED!

I thought that the issue could be linked to AppImage. I'm not an expert but it seems that an AppImage created with go-appimage doesn't correctly detects Python outside its squashfs. To test this hypothesis, I revert some commits to use linuxdeployqt again. I know it is deprecated. Furthermore, I solved also the issue related to language selection for GUI labels.

To test download my Linux AppImage here, look logs here.

[sunderme]

appimage 4.8.7 also works without problem on ubuntu 24.04

[miticollo]

Another step forward.

This issue appears specifically here: it seems go-appimage doesn't work like linuxdeployqt. I tried to invoke linuxdeployqt with -verbose=3 and I discovered that also translations are deployed. Probably go-appimage doesn't do it and for this reason I can't change GUI language. Unfortunately, when you run linuxdeployqt with -appimage it invokes appimagetool from shell and this tool is installed by default on Ubuntu GitHub Runner, but it's obsolete (2020). In particular here you can find the release installed on Ubuntu. Now there are two solutions: replace with appimagetool with the newer one suggested in the release of the old version or use go-appimage only to create AppImage from AppDir, even if a better solution should be to use mkappimage because you can pass some args.

So I tried to deploy using linuxdeployqt and then create AppImage with go-appimage: IT WORKS! Look this commit.

To test download my Linux AppImage here, look logs here.

[miticollo]

I download the official AppImage from here. It wasn't properly bundled. I tested it on Ubuntu 24.04.2 LTS. You can't change the GUI lang and I suppose that it is not possible to compile a document that uses minted.

Video.del.2025-04-29.12-04-17.webm

[sunderme]

updated internal paths

[miticollo]

It is not solved. Now languages are showed but TeXstudio can't load them.

recording.webm

[miticollo]

After this commit languages are correctly bundled into AppImage. Anyway there is still an issue with minted and probably other packages that require external binaries but inside TeXLive distribution.

Consider the video below. Steps:

1. Compilation successfully works on TeXstudio 4.8.6.
2. After workspace cleaning up, repeat the previous compilation on TeXstudio based on latest commit: it fails.
3. Log checking. It seems that latexminted is not on $PATH, but it's.
4. Last cleaning up, repeat compilation using CLI: it works.

video.tar.gz

[sunderme]

fixed