mirror of
https://github.com/pypa/pip
synced 2023-12-13 21:30:23 +01:00
269 lines
8.8 KiB
Python
269 lines
8.8 KiB
Python
import pytest
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from pip._vendor import toml
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from pip._internal.build_env import BuildEnvironment
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from pip._internal.req import InstallRequirement
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from tests.lib import make_test_finder, path_to_url, windows_workaround_7667
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def make_project(tmpdir, requires=[], backend=None, backend_path=None):
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project_dir = tmpdir / 'project'
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project_dir.mkdir()
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buildsys = {'requires': requires}
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if backend:
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buildsys['build-backend'] = backend
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if backend_path:
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buildsys['backend-path'] = backend_path
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data = toml.dumps({'build-system': buildsys})
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project_dir.joinpath('pyproject.toml').write_text(data)
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return project_dir
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def test_backend(tmpdir, data):
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"""Check we can call a requirement's backend successfully"""
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project_dir = make_project(tmpdir, backend="dummy_backend")
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req = InstallRequirement(None, None)
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req.source_dir = project_dir # make req believe it has been unpacked
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req.load_pyproject_toml()
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env = BuildEnvironment()
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finder = make_test_finder(find_links=[data.backends])
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env.install_requirements(finder, ["dummy_backend"], 'normal', "Installing")
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conflicting, missing = env.check_requirements(["dummy_backend"])
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assert not conflicting and not missing
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assert hasattr(req.pep517_backend, 'build_wheel')
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with env:
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assert req.pep517_backend.build_wheel("dir") == "Backend called"
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dummy_backend_code = """\
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def build_wheel(
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wheel_directory,
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config_settings=None,
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metadata_directory=None
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):
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return "Backend called"
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"""
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def test_backend_path(tmpdir, data):
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"""Check we can call a backend inside the project"""
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project_dir = make_project(
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tmpdir, backend="dummy_backend", backend_path=['.']
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)
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(project_dir / 'dummy_backend.py').write_text(dummy_backend_code)
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req = InstallRequirement(None, None)
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req.source_dir = project_dir # make req believe it has been unpacked
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req.load_pyproject_toml()
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env = BuildEnvironment()
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assert hasattr(req.pep517_backend, 'build_wheel')
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with env:
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assert req.pep517_backend.build_wheel("dir") == "Backend called"
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def test_backend_path_and_dep(tmpdir, data):
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"""Check we can call a requirement's backend successfully"""
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project_dir = make_project(
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tmpdir, backend="dummy_internal_backend", backend_path=['.']
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)
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(project_dir / 'dummy_internal_backend.py').write_text(
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"from dummy_backend import build_wheel"
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)
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req = InstallRequirement(None, None)
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req.source_dir = project_dir # make req believe it has been unpacked
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req.load_pyproject_toml()
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env = BuildEnvironment()
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finder = make_test_finder(find_links=[data.backends])
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env.install_requirements(finder, ["dummy_backend"], 'normal', "Installing")
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assert hasattr(req.pep517_backend, 'build_wheel')
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with env:
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assert req.pep517_backend.build_wheel("dir") == "Backend called"
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def test_pep517_install(script, tmpdir, data):
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"""Check we can build with a custom backend"""
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project_dir = make_project(
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tmpdir, requires=['test_backend'],
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backend="test_backend"
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)
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result = script.pip(
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'install', '--no-index', '-f', data.backends, project_dir
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)
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result.assert_installed('project', editable=False)
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def test_pep517_install_with_reqs(script, tmpdir, data):
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"""Backend generated requirements are installed in the build env"""
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project_dir = make_project(
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tmpdir, requires=['test_backend'],
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backend="test_backend"
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)
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project_dir.joinpath("backend_reqs.txt").write_text("simplewheel")
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result = script.pip(
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'install', '--no-index',
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'-f', data.backends,
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'-f', data.packages,
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project_dir
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)
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result.assert_installed('project', editable=False)
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def test_no_use_pep517_without_setup_py(script, tmpdir, data):
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"""Using --no-use-pep517 requires setup.py"""
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project_dir = make_project(
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tmpdir, requires=['test_backend'],
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backend="test_backend"
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)
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result = script.pip(
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'install', '--no-index', '--no-use-pep517',
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'-f', data.backends,
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project_dir,
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expect_error=True
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)
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assert 'project does not have a setup.py' in result.stderr
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def test_conflicting_pep517_backend_requirements(script, tmpdir, data):
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project_dir = make_project(
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tmpdir, requires=['test_backend', 'simplewheel==1.0'],
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backend="test_backend"
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)
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project_dir.joinpath("backend_reqs.txt").write_text("simplewheel==2.0")
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result = script.pip(
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'install', '--no-index',
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'-f', data.backends,
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'-f', data.packages,
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project_dir,
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expect_error=True
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)
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msg = (
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'Some build dependencies for {url} conflict with the backend '
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'dependencies: simplewheel==1.0 is incompatible with '
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'simplewheel==2.0.'.format(url=path_to_url(project_dir)))
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assert (
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result.returncode != 0 and
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msg in result.stderr
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), str(result)
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def test_pep517_backend_requirements_already_satisfied(script, tmpdir, data):
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project_dir = make_project(
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tmpdir, requires=['test_backend', 'simplewheel==1.0'],
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backend="test_backend"
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)
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project_dir.joinpath("backend_reqs.txt").write_text("simplewheel")
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result = script.pip(
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'install', '--no-index',
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'-f', data.backends,
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'-f', data.packages,
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project_dir,
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)
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assert 'Installing backend dependencies:' not in result.stdout
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def test_pep517_install_with_no_cache_dir(script, tmpdir, data):
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"""Check builds with a custom backends work, even with no cache.
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"""
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project_dir = make_project(
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tmpdir, requires=['test_backend'],
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backend="test_backend"
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)
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result = script.pip(
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'install', '--no-cache-dir', '--no-index', '-f', data.backends,
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project_dir,
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)
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result.assert_installed('project', editable=False)
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def make_pyproject_with_setup(tmpdir, build_system=True, set_backend=True):
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project_dir = tmpdir / 'project'
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project_dir.mkdir()
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setup_script = (
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'from setuptools import setup\n'
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)
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expect_script_dir_on_path = True
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if build_system:
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buildsys = {
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'requires': ['setuptools', 'wheel'],
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}
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if set_backend:
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buildsys['build-backend'] = 'setuptools.build_meta'
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expect_script_dir_on_path = False
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project_data = toml.dumps({'build-system': buildsys})
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else:
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project_data = ''
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if expect_script_dir_on_path:
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setup_script += (
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'from pep517_test import __version__\n'
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)
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else:
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setup_script += (
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'try:\n'
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' import pep517_test\n'
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'except ImportError:\n'
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' pass\n'
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'else:\n'
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' raise RuntimeError("Source dir incorrectly on sys.path")\n'
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)
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setup_script += (
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'setup(name="pep517_test", version="0.1", packages=["pep517_test"])'
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)
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project_dir.joinpath('pyproject.toml').write_text(project_data)
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project_dir.joinpath('setup.py').write_text(setup_script)
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package_dir = project_dir / "pep517_test"
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package_dir.mkdir()
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package_dir.joinpath('__init__.py').write_text('__version__ = "0.1"')
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return project_dir, "pep517_test"
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def test_no_build_system_section(script, tmpdir, data, common_wheels):
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"""Check builds with setup.py, pyproject.toml, but no build-system section.
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"""
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project_dir, name = make_pyproject_with_setup(tmpdir, build_system=False)
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result = script.pip(
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'install', '--no-cache-dir', '--no-index', '-f', common_wheels,
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project_dir,
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)
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result.assert_installed(name, editable=False)
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def test_no_build_backend_entry(script, tmpdir, data, common_wheels):
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"""Check builds with setup.py, pyproject.toml, but no build-backend entry.
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"""
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project_dir, name = make_pyproject_with_setup(tmpdir, set_backend=False)
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result = script.pip(
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'install', '--no-cache-dir', '--no-index', '-f', common_wheels,
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project_dir,
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)
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result.assert_installed(name, editable=False)
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def test_explicit_setuptools_backend(script, tmpdir, data, common_wheels):
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"""Check builds with setup.py, pyproject.toml, and a build-backend entry.
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"""
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project_dir, name = make_pyproject_with_setup(tmpdir)
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result = script.pip(
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'install', '--no-cache-dir', '--no-index', '-f', common_wheels,
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project_dir,
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)
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result.assert_installed(name, editable=False)
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@pytest.mark.network
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@windows_workaround_7667
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def test_pep517_and_build_options(script, tmpdir, data, common_wheels):
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"""Backend generated requirements are installed in the build env"""
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project_dir, name = make_pyproject_with_setup(tmpdir)
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result = script.pip(
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'wheel', '--wheel-dir', tmpdir,
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'--build-option', 'foo',
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'-f', common_wheels,
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project_dir,
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expect_error=True
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)
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assert 'Cannot build wheel' in result.stderr
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assert 'when --build-option is present' in result.stderr
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