coveragepy / coveragepy/coveragepy

Support gevent & thread concurrency in the same project

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enhancement
Dominant language
Python
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Description

Is your feature request related to a problem? Please describe.

Please see the Readme on the repo to reproduce https://github.com/ddorian/coverage-bug-gevent. It shows an example where you are using gevent for all async, except those that are cpu-heavy which you use native threads.

Describe the solution you'd like
Ability to track both gevent & native threads.

Describe alternatives you've considered
Drop gevent and use async (too much work and dev-quality sucks) or only threads (high overhead).

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start with the README in the linked ddorian/coverage-bug-gevent repository and reproduce its mixed gevent and native-thread example. Trace how coverage.py handles these two concurrency modes, then verify that coverage is collected from both gevent-based work and native threads without dropping either.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
tooling
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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