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Account for environment markers when comparing package version with requirements - #532
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…with requirements
Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## main #532 +/- ##
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+ Coverage 73.28% 73.43% +0.14%
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Files 18 18
Lines 1688 1690 +2
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+ Hits 1237 1241 +4
+ Misses 451 449 -2
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Autogenerated by Claude Sonnet, checked and tweaked by me.
| def test_prerelease_fulfills_when_requirement_has_no_specifier(self): | ||
| pkg = Package("requests", "0.0.1a0") | ||
| req = Requirement("requests") | ||
| assert pkg.fulfills(req) is True | ||
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| def test_prerelease_fulfills_when_requirement_has_git_url(self): | ||
| pkg = Package("aiidalab-widgets-base", "3.0.0a3") | ||
| req = Requirement( | ||
| "aiidalab_widgets_base@git+https://github.com/aiidalab/aiidalab-widgets-base@master" | ||
| ) | ||
| assert pkg.fulfills(req) is True |
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These are a regression tests for the second issue about pre-releases.
They both fail with packaging==25.0 but pass with packaging==26.0
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Makes sense. LGTM! Thanks @danielhollas.
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Follow-up to #532 _find_incompatibilities_python now skips any requirement whose marker doesn't apply before looking up the package. A requirement like pywin32; sys_platform == 'win32' on Linux no longer makes the app incompatible.
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This PR fixes two issues pertaining to how we decide whether an installed package fulfills a given app's requirement.
The first bug is described in #531; we were not taking into account PEP 496 environment marker, e.g.
ipywidgets~=7.7; python_version<3.10A somewhat more subtle issue was concerning installed packages with pre-release versions of installed packages. The way that
packaging(and pip as well) generally worked that pre-release packages cannot fulfill a requirement, unless that requirement specifically asks for pre-release. That's reasonable in general, but it would fail if we e.g. had a requirement without any version constraint (e.g. a requirement pointing to GitHub repo). In this case, installed pre-released package should fulfill this.This second issue is fixed by bumping the minimum version
packagingpackage, which changed this behaviour. I've added a regression test for this.The test suite was generated by Claude Sonnet, but I went through it and added some more test while removing those that were superfluous. There's still perhaps a bit more tests than needed (we're essentially testing the
packagingfunctionality, but given that version handling is so finicky I think it is okay.Fixes #531