Development Environment for different versions?

fallbackerik · August 21, 2025, 4:24pm

I assume there might be quite a few cases where a developer would want to test something against a version that works, and then against a newer version where it fails.

To try that, I got this advice in a comment:

Get git repo

source ./hacking/env-setup

git checkout <version>

test

But I can’t find anything in the documentation about it.

Also, after setting up a fresh Debian Trixie (13) environment it doesn’t work. I assume it worked in my previous Bookworm (12) setup was because I had older versions of the undocumented requirements installed through system packages, because at some time in the past I was running ansible from system packages.

How would you recommend a fresh install to approach these development requirements?

bcoca · August 21, 2025, 4:27pm

The docs are here, i just gave you a ‘short version’ earlier.

Also, requirements are part of the repo (test has an additional set in the test subdir)

github.com/ansible/ansible

requirements.txt

devel

# Note: this requirements.txt file is used to specify what dependencies are
# needed to make the package run rather than for deployment of a tested set of
# packages.  Thus, this should be the loosest set possible (only required
# packages, not optional ones, and with the widest range of versions that could
# be suitable)
jinja2 >= 3.1.0  # Jinja2 native macro support fixed in 3.1.0
PyYAML >= 5.1  # PyYAML 5.1 is required for Python 3.8+ support
cryptography
packaging
# NOTE: resolvelib 0.x version bumps should be considered major/breaking
# NOTE: and we should update the upper cap with care, at least until 1.0
# NOTE: Ref: https://github.com/sarugaku/resolvelib/issues/69
# NOTE: When updating the upper bound, also update the latest version used
# NOTE: in the ansible-galaxy-collection test suite.
resolvelib >= 0.5.3, < 2.0.0  # dependency resolver used by ansible-galaxy

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Development Environment for different versions?

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