48 lines
2 KiB
Nix
48 lines
2 KiB
Nix
pkgs: python: with pkgs.lib;
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let
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namePrefix = python.libPrefix + "-";
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makeOverridablePythonPackage = f: origArgs:
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let
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ff = f origArgs;
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overrideWith = newArgs: origArgs // (if isFunction newArgs then newArgs origArgs else newArgs);
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in
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if builtins.isAttrs ff then (ff // {
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overridePythonAttrs = newArgs: makeOverridablePythonPackage f (overrideWith newArgs);
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})
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else if builtins.isFunction ff then {
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overridePythonAttrs = newArgs: makeOverridablePythonPackage f (overrideWith newArgs);
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__functor = self: ff;
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}
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else ff;
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toPythonModule = drv:
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drv.overrideAttrs( oldAttrs: {
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# Use passthru in order to prevent rebuilds when possible.
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passthru = (oldAttrs.passthru or {})// {
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pythonModule = python;
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pythonPath = [ ]; # Deprecated, for compatibility.
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requiredPythonModules = python.pkgs.requiredPythonModules drv.propagatedBuildInputs;
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};
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});
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callPackage = pkgs.newScope python.pkgs;
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in
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pySelf: pySuper: {
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buildPythonPackage = makeOverridablePythonPackage (
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makeOverridable (callPackage "${pkgs.path}/pkgs/development/interpreters/python/mk-python-derivation.nix" {
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inherit namePrefix; # We want Python libraries to be named like e.g. "python3.6-${name}"
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inherit toPythonModule; # Libraries provide modules
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# this prevents infinite recursions when overriding setuptools later
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setuptools = python.pkgs.setuptools;
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})
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);
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buildPythonApplication = makeOverridablePythonPackage (
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makeOverridable (callPackage "${pkgs.path}/pkgs/development/interpreters/python/mk-python-derivation.nix" {
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namePrefix = ""; # Python applications should not have any prefix
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toPythonModule = x: x; # Application does not provide modules.
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# this prevents infinite recursions when overriding setuptools later
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setuptools = python.pkgs.setuptools;
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})
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);
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}
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