pytest-dev / pytest-dev/pluggy
improve PluginValidationError
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Description
At the moment the error is something like:
pluggy.manager.PluginValidationError: Plugin 'pytest_magic' could not be loaded: (mock 3.0.5 (/usr/local/lib/python2.7/dist-packages), Requirement.parse('mock<3,>=2.0.0; python_version < "3.3"'))!
When such conflicting requirement change happens we should enlist all packages that define requirements on that dependency, so the users can easier identify what package dependency conflicts with what another package dependency.
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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 locating the PluginValidationError implementation and the plugin validation path that produces the shown conflicting-requirement message. Reproduce the mock version conflict, then trace how dependency requirements are collected; done means the error identifies all packages defining requirements on the conflicting dependency.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- tooling
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100