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pdm: Adds basic lock file invalidation #1035

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pdm: Adds basic lock file invalidation #1035

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37 changes: 34 additions & 3 deletions modules/dream2nix/WIP-python-pdm/default.nix
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Original file line number Diff line number Diff line change
Expand Up @@ -26,12 +26,43 @@

pyproject = libpdm.loadPdmPyProject (lib.importTOML config.pdm.pyproject);

invalidatianData = {
dependencies = pyproject.pyproject.project.dependencies or [];
"dev-dependencies" = pyproject.pyproject.tool.pdm."dev-dependencies" or {};
"optional-dependencies" = pyproject.pyproject.project."optional-dependencies" or {};
sources = pyproject.pyproject.tool.pdm.source or [];
"requires-python" = pyproject.pyproject.project."requires-python" or "";
overrides = pyproject.pyproject.tool.pdm.resolution.overrides or {};
};
lockstr = lib.replaceStrings [":" ","] [": " ", "] (builtins.toString (builtins.toJSON invalidatianData));
lock_hash = "sha256:" + builtins.hashString "sha256" lockstr;
lockIsValid = lock_hash == lock_data.metadata.content_hash;

updateHint = ''
To create or update the lock file, run:

bash -c $(nix-build ${config.lock.refresh.drvPath} --no-link)/bin/refresh

Alternatively `nix run` the .lock attribute of your package, or run 'pdm lock'.
'';

errorOutdated = ''
The lock file ${config.pdm.lockfile}
for drv-parts module '${config.name}' is outdated.

${updateHint}
'';

groups_with_deps = libpdm.groupsWithDeps {
inherit environ pyproject;
};
parsed_lock_data = libpdm.parseLockData {
inherit environ lock_data;
};
parsed_lock_data =
if ! lockIsValid
then throw errorOutdated
else
libpdm.parseLockData {
inherit environ lock_data;
};
buildSystemNames =
map
(name: (libpyproject.pep508.parseString name).name)
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