forked from mirrors/nixpkgs
57 lines
1.7 KiB
Nix
57 lines
1.7 KiB
Nix
# This function provides specific bits for building a setuptools-based Python package.
|
|
|
|
{ lib
|
|
, python
|
|
, bootstrapped-pip
|
|
}:
|
|
|
|
{
|
|
# passed to "python setup.py build_ext"
|
|
# https://github.com/pypa/pip/issues/881
|
|
setupPyBuildFlags ? []
|
|
# Execute before shell hook
|
|
, preShellHook ? ""
|
|
# Execute after shell hook
|
|
, postShellHook ? ""
|
|
, ... } @ attrs:
|
|
|
|
let
|
|
# use setuptools shim (so that setuptools is imported before distutils)
|
|
# pip does the same thing: https://github.com/pypa/pip/pull/3265
|
|
setuppy = ./run_setup.py;
|
|
|
|
in attrs // {
|
|
# we copy nix_run_setup.py over so it's executed relative to the root of the source
|
|
# many project make that assumption
|
|
buildPhase = attrs.buildPhase or ''
|
|
runHook preBuild
|
|
cp ${setuppy} nix_run_setup.py
|
|
${python.interpreter} nix_run_setup.py ${lib.optionalString (setupPyBuildFlags != []) ("build_ext " + (lib.concatStringsSep " " setupPyBuildFlags))} bdist_wheel
|
|
runHook postBuild
|
|
'';
|
|
|
|
installCheckPhase = attrs.checkPhase or ''
|
|
runHook preCheck
|
|
${python.interpreter} nix_run_setup.py test
|
|
runHook postCheck
|
|
'';
|
|
|
|
# Python packages that are installed with setuptools
|
|
# are typically distributed with tests.
|
|
# With Python it's a common idiom to run the tests
|
|
# after the software has been installed.
|
|
doCheck = attrs.doCheck or true;
|
|
|
|
shellHook = attrs.shellHook or ''
|
|
${preShellHook}
|
|
if test -e setup.py; then
|
|
tmp_path=$(mktemp -d)
|
|
export PATH="$tmp_path/bin:$PATH"
|
|
export PYTHONPATH="$tmp_path/${python.sitePackages}:$PYTHONPATH"
|
|
mkdir -p $tmp_path/${python.sitePackages}
|
|
${bootstrapped-pip}/bin/pip install -e . --prefix $tmp_path >&2
|
|
fi
|
|
${postShellHook}
|
|
'';
|
|
}
|