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nixpkgs/pkgs/development/python-modules/pytest/default.nix
Frederik Rietdijk f7e28bf5d8 Split buildPythonPackage into setup hooks
This commit splits the `buildPythonPackage` into multiple setup hooks.

Generally, Python packages are built from source to wheels using `setuptools`.
The wheels are then installed with `pip`. Tests were often called with
`python setup.py test` but this is less common nowadays. Most projects
now use a different entry point for running tests, typically `pytest`
or `nosetests`.

Since the wheel format was introduced more tools were built to generate these,
e.g. `flit`. Since PEP 517 is provisionally accepted, defining a build-system
independent format (`pyproject.toml`), `pip` can now use that format to
execute the correct build-system.

In the past I've added support for PEP 517 (`pyproject`) to the Python
builder, resulting in a now rather large builder. Furthermore, it was not possible
to reuse components elsewhere. Therefore, the builder is now split into multiple
setup hooks.

The `setuptoolsCheckHook` is included now by default but in time it should
be removed from `buildPythonPackage` to make it easier to use another hook
(curently one has to pass in `dontUseSetuptoolsCheck`).
2019-09-06 15:18:45 +02:00

53 lines
1.6 KiB
Nix

{ stdenv, buildPythonPackage, pythonOlder, fetchPypi, attrs, hypothesis, py
, setuptools_scm, setuptools, six, pluggy, funcsigs, isPy3k, more-itertools
, atomicwrites, mock, writeText, pathlib2, wcwidth, packaging, isPyPy, python
}:
buildPythonPackage rec {
version = "5.1.0";
pname = "pytest";
preCheck = ''
# don't test bash builtins
rm testing/test_argcomplete.py
'';
src = fetchPypi {
inherit pname version;
sha256 = "3805d095f1ea279b9870c3eeae5dddf8a81b10952c8835cd628cf1875b0ef031";
};
checkInputs = [ hypothesis mock ];
nativeBuildInputs = [ setuptools_scm ];
propagatedBuildInputs = [ attrs py setuptools six pluggy more-itertools atomicwrites wcwidth packaging ]
++ stdenv.lib.optionals (!isPy3k) [ funcsigs ]
++ stdenv.lib.optionals (pythonOlder "3.6") [ pathlib2 ];
doCheck = !isPyPy; # https://github.com/pytest-dev/pytest/issues/3460
# Ignored file https://github.com/pytest-dev/pytest/pull/5605#issuecomment-522243929
checkPhase = ''
runHook preCheck
$out/bin/py.test -x testing/ -k "not test_collect_pyargs_with_testpaths" --ignore=testing/test_junitxml.py
runHook postCheck
'';
# Remove .pytest_cache when using py.test in a Nix build
setupHook = writeText "pytest-hook" ''
pytestcachePhase() {
find $out -name .pytest_cache -type d -exec rm -rf {} +
}
preDistPhases+=" pytestcachePhase"
'';
pythonImportsCheck = [
"pytest"
];
meta = with stdenv.lib; {
homepage = https://docs.pytest.org;
description = "Framework for writing tests";
maintainers = with maintainers; [ domenkozar lovek323 madjar lsix ];
license = licenses.mit;
};
}