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mailmanPackages.python: allow changing python package-set used for mailman

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When having a patch for a python module that should only be used for
mailman, but for nothing else, it's now possible to apply it like this:

    self: super: {
      mailmanPackages = super.mailmanPackages.extend (mailmanSelf: mailmanSuper: {
	python3 = mailmanSuper.python3.override {
	  overlay = pythonSelf: pythonSuper: {
	    psycopg2 = /* ... */;
	  };
	};
      });
    }

The underlying issue is that the `packageOverrides`-mechanism of
`pkgs.python3` doesn't compose, so an optional overlay is manually
applied to the `python3` used for mailman.
This commit is contained in:
Maximilian Bosch 2023-08-12 13:10:05 +02:00
parent 892661f45b
commit 2cefe69f6f
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GPG Key ID: 9A6EEA275CA5BE0A
1 changed files with 18 additions and 16 deletions
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34
pkgs/servers/mail/mailman/python.nix
View File

@ -1,19 +1,21 @@
{ python3, fetchPypi }:
{ python3, lib, overlay ? (_: _: {}) }:
python3.override {
packageOverrides = self: super: {
# does not find tests
alembic = super.alembic.overridePythonAttrs (oldAttrs: {
doCheck = false;
});
# Fixes `AssertionError: database connection isn't set to UTC`
psycopg2 = super.psycopg2.overridePythonAttrs (a: rec {
version = "2.8.6";
src = fetchPypi {
inherit version;
inherit (a) pname;
sha256 = "fb23f6c71107c37fd667cb4ea363ddeb936b348bbd6449278eb92c189699f543";
};
});
};
packageOverrides = lib.composeExtensions
(self: super: {
# does not find tests
alembic = super.alembic.overridePythonAttrs (oldAttrs: {
doCheck = false;
});
# Fixes `AssertionError: database connection isn't set to UTC`
psycopg2 = super.psycopg2.overridePythonAttrs (a: (rec {
version = "2.8.6";
src = super.fetchPypi {
inherit version;
inherit (a) pname;
sha256 = "fb23f6c71107c37fd667cb4ea363ddeb936b348bbd6449278eb92c189699f543";
};
}));
})
overlay;
}