nixpkgs/pkgs/development/python-modules/pip/default.nix
Frederik Rietdijk 56727dc1ff Python: setuptools/wheel/pip now bootstrap from source
Since wheel support was introduced in 2015 we always relied on pre-built
wheels for bootstrapping. Now, we can bootstrap directly from the
sources of these packages in git.

The `bootstrapped-pip` packages is used to build `pip`, `setuptools` and `wheel`,
after which those packages are used to build everything else.

Note that when building `bootstrapped-pip` some errors are shown.
These are not important, the build actually does succeed and work as intended.
2019-10-20 19:48:00 +02:00

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{ lib
, python
, buildPythonPackage
, bootstrapped-pip
, fetchFromGitHub
, mock
, scripttest
, virtualenv
, pretend
, pytest
, setuptools
, wheel
}:
buildPythonPackage rec {
pname = "pip";
version = "19.3.1";
format = "other";
src = fetchFromGitHub {
owner = "pypa";
repo = pname;
rev = version;
sha256 = "079gz0v37ah1l4i5iwyfb0d3mni422yv5ynnxa0wcqpnvkc7sfnw";
name = "${pname}-${version}-source";
};
nativeBuildInputs = [ bootstrapped-pip ];
# pip detects that we already have bootstrapped_pip "installed", so we need
# to force it a little.
pipInstallFlags = [ "--ignore-installed" ];
checkInputs = [ mock scripttest virtualenv pretend pytest ];
# Pip wants pytest, but tests are not distributed
doCheck = false;
meta = {
description = "The PyPA recommended tool for installing Python packages";
license = with lib.licenses; [ mit ];
homepage = https://pip.pypa.io/;
priority = 10;
};
}