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Make python-fx an optional dependency

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@toby-bro is already working on this.

Since Sep 22, 2026.

  • #1666 by @toby-bro — open

Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
70/100
Issue type
Feature
Clarity
Mostly clear
Activity status
Active
Tech stack
python
Domain
build-system

Research direction

Start by inspecting the dependency declarations in pyproject.toml, then compare their optional-dependency groups with the angr example linked in the issue. Verify that a core qiling installation no longer pulls in python-fx while users can still opt into the related dependency group.

Written by the indexing model from the issue text.

Description

Is your feature request related to a problem? Please describe.
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]

I use qiling in a python project to emulate binaries. It's an awesome project thanks a lot !

Nevertheless each time I build it, it imports loads of dependencies that I don't need and don't use, especially python-fx, that imports pillow, which

  • crouds my github security advisory with vulnerabilities in pillow,
  • limits the python versions my project can build for.

Describe the solution you'd like
Send us a pull request always help, or any pseudo code might be useful.

At the moment I do a manual override to say that I don't need python-fx in my pyproject.toml, but I would really like it if qiling could implement blocks of optionnal dependencies groups (such as this other RE project angr does :
https://github.com/angr/angr/blob/9af373689f450717ec0d0b8be0daed2477a091ee/pyproject.toml#L81-L99

So as people using qiling as a dependency can only import the core of a qiling in their projects.

Thanks a lot

Dominant language
Python
Stars
6.1k
Forks
798
Avg merge
2h 53m
Merged PRs (30d)
9

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

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