pytest-dev / pytest-dev/pytest-xdist
Question: How could one customize the distributed worker initialization (e.g. running some bash commands on setup)?
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Description
Hello there!
I'm still in the process of familiarizing myself with the codebase, sorry if the answer to this is already documented somewhere.
From what I've understood, you're using execnet gateways and channels to execute python code on the remote hosts, and you make these different parts inspectable and usable with pytest hooks.
I haven't been able to find a way to specify a set of commands I'd like to run "on remote worker spawn". Is there a way of doing this?
For example, I'd like the remote worker to first activate a given Conda environment before running any tests.
Thanks a lot!
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by tracing the execnet gateway and channel setup for remote worker spawning, then review the pytest hooks mentioned in the issue. Determine whether an existing hook or configuration point can run commands before tests, and define completion as a documented way to prepare each remote worker, such as activating a Conda environment.
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Assessment
- Tech stack
- python, shell
- Domain
- distributed-systems, testing
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100