Python: check if multiple versions of a package in a closure #25506
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While we try to prevent having multiple versions of Python packages it still sometimes happens we need them. It also occasionally happens that we end up with multiple versions of the same package in one closure, and that is something Python cannot handle. Currently we check for this after building the package. In most cases we might be able to catch this already during evaluation time, by asserting we do not have any duplicate name parts of Python derivations.
FRidh
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To do:
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| @@ -88,6 +123,9 @@ in { | |||
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| vowpalwabbit = callPackage ../development/python-modules/vowpalwabbit { pythonPackages = self; }; | |||
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| # unique = assertUniqueNames [ self.django_1_6.name self.django_1_8.name self.numpy.name ]; | |||
| unique = assertUniquePythonPackages [ self.django_1_6 self.django_1_8 self.numpy ]; | |||
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@garbas this is what you meant, right? This we could now implement in the builder.
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@FRidh 👍 looks like a good start
I suppose this should be done automatically by buildPythonPackage
and sorry for the delay .. i'm slowly getting back to online life 😄
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This is stalled and should probably be closed. @FRidh |
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Thank you for your contributions.
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ryantm
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I marked this as stale due to inactivity. → More info |
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Thy will be done. |
While we try to prevent having multiple versions of Python packages it
still sometimes happens we need them. It also occasionally happens that
we end up with multiple versions of the same package in one closure, and
that is something Python cannot handle.
Currently we check for this after building the package. In most cases we
might be able to catch this already during evaluation time, by asserting
we do not have any duplicate name parts of Python derivations.
Motivation for this change
Things done
(nix.useSandbox on NixOS,
or option
build-use-sandboxinnix.confon non-NixOS)
nix-shell -p nox --run "nox-review wip"./result/bin/)