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"""Easy install Tests"""
 import contextlib
 import io
 import itertools
 import logging
 import os
 import pathlib
 import re
 import site
 import subprocess
 import sys
 import tarfile
 import tempfile
 import time
 import warnings
 import zipfile
 from pathlib import Path
 from typing import NamedTuple
 from unittest import mock
 
 import pytest
 from jaraco import path
 
 import pkg_resources
 import setuptools.command.easy_install as ei
 from pkg_resources import Distribution as PRDistribution, normalize_path, working_set
 from setuptools import sandbox
 from setuptools._normalization import safer_name
 from setuptools.command.easy_install import PthDistributions
 from setuptools.dist import Distribution
 from setuptools.sandbox import run_setup
 from setuptools.tests import fail_on_ascii
 from setuptools.tests.server import MockServer, path_to_url
 
 from . import contexts
 from .textwrap import DALS
 
 import distutils.errors
 
 
 @pytest.fixture(autouse=True)
 def pip_disable_index(monkeypatch):
 """
 Important: Disable the default index for pip to avoid
 querying packages in the index and potentially resolving
 and installing packages there.
 """
 monkeypatch.setenv('PIP_NO_INDEX', 'true')
 
 
 class FakeDist:
 def get_entry_map(self, group):
 if group != 'console_scripts':
 return {}
 return {'name': 'ep'}
 
 def as_requirement(self):
 return 'spec'
 
 
 SETUP_PY = DALS(
 """
 from setuptools import setup
 
 setup()
 """
 )
 
 
 class TestEasyInstallTest:
 def test_get_script_args(self):
 header = ei.CommandSpec.best().from_environment().as_header()
 dist = FakeDist()
 args = next(ei.ScriptWriter.get_args(dist))
 _name, script = itertools.islice(args, 2)
 assert script.startswith(header)
 assert "'spec'" in script
 assert "'console_scripts'" in script
 assert "'name'" in script
 assert re.search('^# EASY-INSTALL-ENTRY-SCRIPT', script, flags=re.MULTILINE)
 
 def test_no_find_links(self):
 # new option '--no-find-links', that blocks find-links added at
 # the project level
 dist = Distribution()
 cmd = ei.easy_install(dist)
 cmd.check_pth_processing = lambda: True
 cmd.no_find_links = True
 cmd.find_links = ['link1', 'link2']
 cmd.install_dir = os.path.join(tempfile.mkdtemp(), 'ok')
 cmd.args = ['ok']
 cmd.ensure_finalized()
 assert cmd.package_index.scanned_urls == {}
 
 # let's try without it (default behavior)
 cmd = ei.easy_install(dist)
 cmd.check_pth_processing = lambda: True
 cmd.find_links = ['link1', 'link2']
 cmd.install_dir = os.path.join(tempfile.mkdtemp(), 'ok')
 cmd.args = ['ok']
 cmd.ensure_finalized()
 keys = sorted(cmd.package_index.scanned_urls.keys())
 assert keys == ['link1', 'link2']
 
 def test_write_exception(self):
 """
 Test that `cant_write_to_target` is rendered as a DistutilsError.
 """
 dist = Distribution()
 cmd = ei.easy_install(dist)
 cmd.install_dir = os.getcwd()
 with pytest.raises(distutils.errors.DistutilsError):
 cmd.cant_write_to_target()
 
 def test_all_site_dirs(self, monkeypatch):
 """
 get_site_dirs should always return site dirs reported by
 site.getsitepackages.
 """
 path = normalize_path('/setuptools/test/site-packages')
 
 def mock_gsp():
 return [path]
 
 monkeypatch.setattr(site, 'getsitepackages', mock_gsp, raising=False)
 assert path in ei.get_site_dirs()
 
 def test_all_site_dirs_works_without_getsitepackages(self, monkeypatch):
 monkeypatch.delattr(site, 'getsitepackages', raising=False)
 assert ei.get_site_dirs()
 
 @pytest.fixture
 def sdist_unicode(self, tmpdir):
 files = [
 (
 'setup.py',
 DALS(
 """
 import setuptools
 setuptools.setup(
 name="setuptools-test-unicode",
 version="1.0",
 packages=["mypkg"],
 include_package_data=True,
 )
 """
 ),
 ),
 (
 'mypkg/__init__.py',
 "",
 ),
 (
 'mypkg/☃.txt',
 "",
 ),
 ]
 sdist_name = 'setuptools-test-unicode-1.0.zip'
 sdist = tmpdir / sdist_name
 # can't use make_sdist, because the issue only occurs
 #  with zip sdists.
 sdist_zip = zipfile.ZipFile(str(sdist), 'w')
 for filename, content in files:
 sdist_zip.writestr(filename, content)
 sdist_zip.close()
 return str(sdist)
 
 @fail_on_ascii
 def test_unicode_filename_in_sdist(self, sdist_unicode, tmpdir, monkeypatch):
 """
 The install command should execute correctly even if
 the package has unicode filenames.
 """
 dist = Distribution({'script_args': ['easy_install']})
 target = (tmpdir / 'target').ensure_dir()
 cmd = ei.easy_install(
 dist,
 install_dir=str(target),
 args=['x'],
 )
 monkeypatch.setitem(os.environ, 'PYTHONPATH', str(target))
 cmd.ensure_finalized()
 cmd.easy_install(sdist_unicode)
 
 @pytest.fixture
 def sdist_unicode_in_script(self, tmpdir):
 files = [
 (
 "setup.py",
 DALS(
 """
 import setuptools
 setuptools.setup(
 name="setuptools-test-unicode",
 version="1.0",
 packages=["mypkg"],
 include_package_data=True,
 scripts=['mypkg/unicode_in_script'],
 )
 """
 ),
 ),
 ("mypkg/__init__.py", ""),
 (
 "mypkg/unicode_in_script",
 DALS(
 """
 #!/bin/sh
 # á
 
 non_python_fn() {
 }
 """
 ),
 ),
 ]
 sdist_name = "setuptools-test-unicode-script-1.0.zip"
 sdist = tmpdir / sdist_name
 # can't use make_sdist, because the issue only occurs
 #  with zip sdists.
 sdist_zip = zipfile.ZipFile(str(sdist), "w")
 for filename, content in files:
 sdist_zip.writestr(filename, content.encode('utf-8'))
 sdist_zip.close()
 return str(sdist)
 
 @fail_on_ascii
 def test_unicode_content_in_sdist(
 self, sdist_unicode_in_script, tmpdir, monkeypatch
 ):
 """
 The install command should execute correctly even if
 the package has unicode in scripts.
 """
 dist = Distribution({"script_args": ["easy_install"]})
 target = (tmpdir / "target").ensure_dir()
 cmd = ei.easy_install(dist, install_dir=str(target), args=["x"])
 monkeypatch.setitem(os.environ, "PYTHONPATH", str(target))
 cmd.ensure_finalized()
 cmd.easy_install(sdist_unicode_in_script)
 
 @pytest.fixture
 def sdist_script(self, tmpdir):
 files = [
 (
 'setup.py',
 DALS(
 """
 import setuptools
 setuptools.setup(
 name="setuptools-test-script",
 version="1.0",
 scripts=["mypkg_script"],
 )
 """
 ),
 ),
 (
 'mypkg_script',
 DALS(
 """
 #/usr/bin/python
 print('mypkg_script')
 """
 ),
 ),
 ]
 sdist_name = 'setuptools-test-script-1.0.zip'
 sdist = str(tmpdir / sdist_name)
 make_sdist(sdist, files)
 return sdist
 
 @pytest.mark.skipif(
 not sys.platform.startswith('linux'), reason="Test can only be run on Linux"
 )
 def test_script_install(self, sdist_script, tmpdir, monkeypatch):
 """
 Check scripts are installed.
 """
 dist = Distribution({'script_args': ['easy_install']})
 target = (tmpdir / 'target').ensure_dir()
 cmd = ei.easy_install(
 dist,
 install_dir=str(target),
 args=['x'],
 )
 monkeypatch.setitem(os.environ, 'PYTHONPATH', str(target))
 cmd.ensure_finalized()
 cmd.easy_install(sdist_script)
 assert (target / 'mypkg_script').exists()
 
 
 @pytest.mark.filterwarnings('ignore:Unbuilt egg')
 class TestPTHFileWriter:
 def test_add_from_cwd_site_sets_dirty(self):
 """a pth file manager should set dirty
 if a distribution is in site but also the cwd
 """
 pth = PthDistributions('does-not_exist', [os.getcwd()])
 assert not pth.dirty
 pth.add(PRDistribution(os.getcwd()))
 assert pth.dirty
 
 def test_add_from_site_is_ignored(self):
 location = '/test/location/does-not-have-to-exist'
 # PthDistributions expects all locations to be normalized
 location = pkg_resources.normalize_path(location)
 pth = PthDistributions(
 'does-not_exist',
 [
 location,
 ],
 )
 assert not pth.dirty
 pth.add(PRDistribution(location))
 assert not pth.dirty
 
 def test_many_pth_distributions_merge_together(self, tmpdir):
 """
 If the pth file is modified under the hood, then PthDistribution
 will refresh its content before saving, merging contents when
 necessary.
 """
 # putting the pth file in a dedicated sub-folder,
 pth_subdir = tmpdir.join("pth_subdir")
 pth_subdir.mkdir()
 pth_path = str(pth_subdir.join("file1.pth"))
 pth1 = PthDistributions(pth_path)
 pth2 = PthDistributions(pth_path)
 assert pth1.paths == pth2.paths == [], (
 "unless there would be some default added at some point"
 )
 # and so putting the src_subdir in folder distinct than the pth one,
 # so to keep it absolute by PthDistributions
 new_src_path = tmpdir.join("src_subdir")
 new_src_path.mkdir()  # must exist to be accounted
 new_src_path_str = str(new_src_path)
 pth1.paths.append(new_src_path_str)
 pth1.save()
 assert pth1.paths, (
 "the new_src_path added must still be present/valid in pth1 after save"
 )
 # now,
 assert new_src_path_str not in pth2.paths, (
 "right before we save the entry should still not be present"
 )
 pth2.save()
 assert new_src_path_str in pth2.paths, (
 "the new_src_path entry should have been added by pth2 with its save() call"
 )
 assert pth2.paths[-1] == new_src_path, (
 "and it should match exactly on the last entry actually "
 "given we append to it in save()"
 )
 # finally,
 assert PthDistributions(pth_path).paths == pth2.paths, (
 "and we should have the exact same list at the end "
 "with a fresh PthDistributions instance"
 )
 
 
 @pytest.fixture
 def setup_context(tmpdir):
 with (tmpdir / 'setup.py').open('w', encoding="utf-8") as f:
 f.write(SETUP_PY)
 with tmpdir.as_cwd():
 yield tmpdir
 
 
 @pytest.mark.usefixtures("user_override")
 @pytest.mark.usefixtures("setup_context")
 class TestUserInstallTest:
 # prevent check that site-packages is writable. easy_install
 # shouldn't be writing to system site-packages during finalize
 # options, but while it does, bypass the behavior.
 prev_sp_write = mock.patch(
 'setuptools.command.easy_install.easy_install.check_site_dir',
 mock.Mock(),
 )
 
 # simulate setuptools installed in user site packages
 @mock.patch('setuptools.command.easy_install.__file__', site.USER_SITE)
 @mock.patch('site.ENABLE_USER_SITE', True)
 @prev_sp_write
 def test_user_install_not_implied_user_site_enabled(self):
 self.assert_not_user_site()
 
 @mock.patch('site.ENABLE_USER_SITE', False)
 @prev_sp_write
 def test_user_install_not_implied_user_site_disabled(self):
 self.assert_not_user_site()
 
 @staticmethod
 def assert_not_user_site():
 # create a finalized easy_install command
 dist = Distribution()
 dist.script_name = 'setup.py'
 cmd = ei.easy_install(dist)
 cmd.args = ['py']
 cmd.ensure_finalized()
 assert not cmd.user, 'user should not be implied'
 
 def test_multiproc_atexit(self):
 pytest.importorskip('multiprocessing')
 
 log = logging.getLogger('test_easy_install')
 logging.basicConfig(level=logging.INFO, stream=sys.stderr)
 log.info('this should not break')
 
 @pytest.fixture
 def foo_package(self, tmpdir):
 egg_file = tmpdir / 'foo-1.0.egg-info'
 with egg_file.open('w') as f:
 f.write('Name: foo\n')
 return str(tmpdir)
 
 @pytest.fixture
 def install_target(self, tmpdir):
 target = str(tmpdir)
 with mock.patch('sys.path', sys.path + [target]):
 python_path = os.path.pathsep.join(sys.path)
 with mock.patch.dict(os.environ, PYTHONPATH=python_path):
 yield target
 
 def test_local_index(self, foo_package, install_target):
 """
 The local index must be used when easy_install locates installed
 packages.
 """
 dist = Distribution()
 dist.script_name = 'setup.py'
 cmd = ei.easy_install(dist)
 cmd.install_dir = install_target
 cmd.args = ['foo']
 cmd.ensure_finalized()
 cmd.local_index.scan([foo_package])
 res = cmd.easy_install('foo')
 actual = os.path.normcase(os.path.realpath(res.location))
 expected = os.path.normcase(os.path.realpath(foo_package))
 assert actual == expected
 
 @contextlib.contextmanager
 def user_install_setup_context(self, *args, **kwargs):
 """
 Wrap sandbox.setup_context to patch easy_install in that context to
 appear as user-installed.
 """
 with self.orig_context(*args, **kwargs):
 import setuptools.command.easy_install as ei
 
 ei.__file__ = site.USER_SITE
 yield
 
 def patched_setup_context(self):
 self.orig_context = sandbox.setup_context
 
 return mock.patch(
 'setuptools.sandbox.setup_context',
 self.user_install_setup_context,
 )
 
 
 @pytest.fixture
 def distutils_package():
 distutils_setup_py = SETUP_PY.replace(
 'from setuptools import setup',
 'from distutils.core import setup',
 )
 with contexts.tempdir(cd=os.chdir):
 with open('setup.py', 'w', encoding="utf-8") as f:
 f.write(distutils_setup_py)
 yield
 
 
 @pytest.mark.usefixtures("distutils_package")
 class TestDistutilsPackage:
 def test_bdist_egg_available_on_distutils_pkg(self):
 run_setup('setup.py', ['bdist_egg'])
 
 
 @pytest.fixture
 def mock_index():
 # set up a server which will simulate an alternate package index.
 p_index = MockServer()
 if p_index.server_port == 0:
 # Some platforms (Jython) don't find a port to which to bind,
 # so skip test for them.
 pytest.skip("could not find a valid port")
 p_index.start()
 return p_index
 
 
 class TestInstallRequires:
 def test_setup_install_includes_dependencies(self, tmp_path, mock_index):
 """
 When ``python setup.py install`` is called directly, it will use easy_install
 to fetch dependencies.
 """
 # TODO: Remove these tests once `setup.py install` is completely removed
 project_root = tmp_path / "project"
 project_root.mkdir(exist_ok=True)
 install_root = tmp_path / "install"
 install_root.mkdir(exist_ok=True)
 
 self.create_project(project_root)
 cmd = [
 sys.executable,
 '-c',
 '__import__("setuptools").setup()',
 'install',
 '--install-base',
 str(install_root),
 '--install-lib',
 str(install_root),
 '--install-headers',
 str(install_root),
 '--install-scripts',
 str(install_root),
 '--install-data',
 str(install_root),
 '--install-purelib',
 str(install_root),
 '--install-platlib',
 str(install_root),
 ]
 env = {**os.environ, "__EASYINSTALL_INDEX": mock_index.url}
 cp = subprocess.run(
 cmd,
 cwd=str(project_root),
 env=env,
 stdout=subprocess.PIPE,
 stderr=subprocess.STDOUT,
 text=True,
 encoding="utf-8",
 )
 assert cp.returncode != 0
 try:
 assert '/does-not-exist/' in {r.path for r in mock_index.requests}
 assert next(
 line
 for line in cp.stdout.splitlines()
 if "not find suitable distribution for" in line
 and "does-not-exist" in line
 )
 except Exception:
 if "failed to get random numbers" in cp.stdout:
 pytest.xfail(f"{sys.platform} failure - {cp.stdout}")
 raise
 
 def create_project(self, root):
 config = """
 [metadata]
 name = project
 version = 42
 
 [options]
 install_requires = does-not-exist
 py_modules = mod
 """
 (root / 'setup.cfg').write_text(DALS(config), encoding="utf-8")
 (root / 'mod.py').touch()
 
 
 class TestSetupRequires:
 def test_setup_requires_honors_fetch_params(self, mock_index, monkeypatch):
 """
 When easy_install installs a source distribution which specifies
 setup_requires, it should honor the fetch parameters (such as
 index-url, and find-links).
 """
 monkeypatch.setenv('PIP_RETRIES', '0')
 monkeypatch.setenv('PIP_TIMEOUT', '0')
 monkeypatch.setenv('PIP_NO_INDEX', 'false')
 with contexts.quiet():
 # create an sdist that has a build-time dependency.
 with TestSetupRequires.create_sdist() as dist_file:
 with contexts.tempdir() as temp_install_dir:
 with contexts.environment(PYTHONPATH=temp_install_dir):
 cmd = [
 sys.executable,
 '-c',
 '__import__("setuptools").setup()',
 'easy_install',
 '--index-url',
 mock_index.url,
 '--exclude-scripts',
 '--install-dir',
 temp_install_dir,
 dist_file,
 ]
 subprocess.Popen(cmd).wait()
 # there should have been one requests to the server
 assert [r.path for r in mock_index.requests] == ['/does-not-exist/']
 
 @staticmethod
 @contextlib.contextmanager
 def create_sdist():
 """
 Return an sdist with a setup_requires dependency (of something that
 doesn't exist)
 """
 with contexts.tempdir() as dir:
 dist_path = os.path.join(dir, 'setuptools-test-fetcher-1.0.tar.gz')
 make_sdist(
 dist_path,
 [
 (
 'setup.py',
 DALS(
 """
 import setuptools
 setuptools.setup(
 name="setuptools-test-fetcher",
 version="1.0",
 setup_requires = ['does-not-exist'],
 )
 """
 ),
 ),
 ('setup.cfg', ''),
 ],
 )
 yield dist_path
 
 use_setup_cfg = (
 (),
 ('dependency_links',),
 ('setup_requires',),
 ('dependency_links', 'setup_requires'),
 )
 
 @pytest.mark.parametrize('use_setup_cfg', use_setup_cfg)
 def test_setup_requires_overrides_version_conflict(self, use_setup_cfg):
 """
 Regression test for distribution issue 323:
 https://bitbucket.org/tarek/distribute/issues/323
 
 Ensures that a distribution's setup_requires requirements can still be
 installed and used locally even if a conflicting version of that
 requirement is already on the path.
 """
 
 fake_dist = PRDistribution(
 'does-not-matter', project_name='foobar', version='0.0'
 )
 working_set.add(fake_dist)
 
 with contexts.save_pkg_resources_state():
 with contexts.tempdir() as temp_dir:
 test_pkg = create_setup_requires_package(
 temp_dir, use_setup_cfg=use_setup_cfg
 )
 test_setup_py = os.path.join(test_pkg, 'setup.py')
 with contexts.quiet() as (stdout, _stderr):
 # Don't even need to install the package, just
 # running the setup.py at all is sufficient
 run_setup(test_setup_py, ['--name'])
 
 lines = stdout.readlines()
 assert len(lines) > 0
 assert lines[-1].strip() == 'test_pkg'
 
 @pytest.mark.parametrize('use_setup_cfg', use_setup_cfg)
 def test_setup_requires_override_nspkg(self, use_setup_cfg):
 """
 Like ``test_setup_requires_overrides_version_conflict`` but where the
 ``setup_requires`` package is part of a namespace package that has
 *already* been imported.
 """
 
 with contexts.save_pkg_resources_state():
 with contexts.tempdir() as temp_dir:
 foobar_1_archive = os.path.join(temp_dir, 'foo_bar-0.1.tar.gz')
 make_nspkg_sdist(foobar_1_archive, 'foo.bar', '0.1')
 # Now actually go ahead an extract to the temp dir and add the
 # extracted path to sys.path so foo.bar v0.1 is importable
 foobar_1_dir = os.path.join(temp_dir, 'foo_bar-0.1')
 os.mkdir(foobar_1_dir)
 with tarfile.open(foobar_1_archive) as tf:
 tf.extraction_filter = lambda member, path: member
 tf.extractall(foobar_1_dir)
 sys.path.insert(1, foobar_1_dir)
 
 dist = PRDistribution(
 foobar_1_dir, project_name='foo.bar', version='0.1'
 )
 working_set.add(dist)
 
 template = DALS(
 """\
 import foo  # Even with foo imported first the
 # setup_requires package should override
 import setuptools
 setuptools.setup(**%r)
 
 if not (hasattr(foo, '__path__') and
 len(foo.__path__) == 2):
 print('FAIL')
 
 if 'foo_bar-0.2' not in foo.__path__[0]:
 print('FAIL')
 """
 )
 
 test_pkg = create_setup_requires_package(
 temp_dir,
 'foo.bar',
 '0.2',
 make_nspkg_sdist,
 template,
 use_setup_cfg=use_setup_cfg,
 )
 
 test_setup_py = os.path.join(test_pkg, 'setup.py')
 
 with contexts.quiet() as (stdout, _stderr):
 try:
 # Don't even need to install the package, just
 # running the setup.py at all is sufficient
 run_setup(test_setup_py, ['--name'])
 except pkg_resources.VersionConflict:  # pragma: nocover
 pytest.fail(
 'Installing setup.py requirements caused a VersionConflict'
 )
 
 assert 'FAIL' not in stdout.getvalue()
 lines = stdout.readlines()
 assert len(lines) > 0
 assert lines[-1].strip() == 'test_pkg'
 
 @pytest.mark.parametrize('use_setup_cfg', use_setup_cfg)
 def test_setup_requires_with_attr_version(self, use_setup_cfg):
 def make_dependency_sdist(dist_path, distname, version):
 files = [
 (
 'setup.py',
 DALS(
 f"""
 import setuptools
 setuptools.setup(
 name={distname!r},
 version={version!r},
 py_modules=[{distname!r}],
 )
 """
 ),
 ),
 (
 distname + '.py',
 DALS(
 """
 version = 42
 """
 ),
 ),
 ]
 make_sdist(dist_path, files)
 
 with contexts.save_pkg_resources_state():
 with contexts.tempdir() as temp_dir:
 test_pkg = create_setup_requires_package(
 temp_dir,
 setup_attrs=dict(version='attr: foobar.version'),
 make_package=make_dependency_sdist,
 use_setup_cfg=use_setup_cfg + ('version',),
 )
 test_setup_py = os.path.join(test_pkg, 'setup.py')
 with contexts.quiet() as (stdout, _stderr):
 run_setup(test_setup_py, ['--version'])
 lines = stdout.readlines()
 assert len(lines) > 0
 assert lines[-1].strip() == '42'
 
 def test_setup_requires_honors_pip_env(self, mock_index, monkeypatch):
 monkeypatch.setenv('PIP_RETRIES', '0')
 monkeypatch.setenv('PIP_TIMEOUT', '0')
 monkeypatch.setenv('PIP_NO_INDEX', 'false')
 monkeypatch.setenv('PIP_INDEX_URL', mock_index.url)
 with contexts.save_pkg_resources_state():
 with contexts.tempdir() as temp_dir:
 test_pkg = create_setup_requires_package(
 temp_dir,
 'python-xlib',
 '0.19',
 setup_attrs=dict(dependency_links=[]),
 )
 test_setup_cfg = os.path.join(test_pkg, 'setup.cfg')
 with open(test_setup_cfg, 'w', encoding="utf-8") as fp:
 fp.write(
 DALS(
 """
 [easy_install]
 index_url = https://pypi.org/legacy/
 """
 )
 )
 test_setup_py = os.path.join(test_pkg, 'setup.py')
 with pytest.raises(distutils.errors.DistutilsError):
 run_setup(test_setup_py, ['--version'])
 assert len(mock_index.requests) == 1
 assert mock_index.requests[0].path == '/python-xlib/'
 
 def test_setup_requires_with_pep508_url(self, mock_index, monkeypatch):
 monkeypatch.setenv('PIP_RETRIES', '0')
 monkeypatch.setenv('PIP_TIMEOUT', '0')
 monkeypatch.setenv('PIP_INDEX_URL', mock_index.url)
 with contexts.save_pkg_resources_state():
 with contexts.tempdir() as temp_dir:
 dep_sdist = os.path.join(temp_dir, 'dep.tar.gz')
 make_trivial_sdist(dep_sdist, 'dependency', '42')
 dep_url = path_to_url(dep_sdist, authority='localhost')
 test_pkg = create_setup_requires_package(
 temp_dir,
 # Ignored (overridden by setup_attrs)
 'python-xlib',
 '0.19',
 setup_attrs=dict(setup_requires=f'dependency @ {dep_url}'),
 )
 test_setup_py = os.path.join(test_pkg, 'setup.py')
 run_setup(test_setup_py, ['--version'])
 assert len(mock_index.requests) == 0
 
 def test_setup_requires_with_allow_hosts(self, mock_index):
 """The `allow-hosts` option in not supported anymore."""
 files = {
 'test_pkg': {
 'setup.py': DALS(
 """
 from setuptools import setup
 setup(setup_requires='python-xlib')
 """
 ),
 'setup.cfg': DALS(
 """
 [easy_install]
 allow_hosts = *
 """
 ),
 }
 }
 with contexts.save_pkg_resources_state():
 with contexts.tempdir() as temp_dir:
 path.build(files, prefix=temp_dir)
 setup_py = str(pathlib.Path(temp_dir, 'test_pkg', 'setup.py'))
 with pytest.raises(distutils.errors.DistutilsError):
 run_setup(setup_py, ['--version'])
 assert len(mock_index.requests) == 0
 
 def test_setup_requires_with_python_requires(self, monkeypatch, tmpdir):
 """Check `python_requires` is honored."""
 monkeypatch.setenv('PIP_RETRIES', '0')
 monkeypatch.setenv('PIP_TIMEOUT', '0')
 monkeypatch.setenv('PIP_NO_INDEX', '1')
 monkeypatch.setenv('PIP_VERBOSE', '1')
 dep_1_0_sdist = 'dep-1.0.tar.gz'
 dep_1_0_url = path_to_url(str(tmpdir / dep_1_0_sdist))
 dep_1_0_python_requires = '>=2.7'
 make_python_requires_sdist(
 str(tmpdir / dep_1_0_sdist), 'dep', '1.0', dep_1_0_python_requires
 )
 dep_2_0_sdist = 'dep-2.0.tar.gz'
 dep_2_0_url = path_to_url(str(tmpdir / dep_2_0_sdist))
 dep_2_0_python_requires = (
 f'!={sys.version_info.major}.{sys.version_info.minor}.*'
 )
 make_python_requires_sdist(
 str(tmpdir / dep_2_0_sdist), 'dep', '2.0', dep_2_0_python_requires
 )
 index = tmpdir / 'index.html'
 index.write_text(
 DALS(
 """
 <!DOCTYPE html>
 <html><head><title>Links for dep</title></head>
 <body>
 <h1>Links for dep</h1>
 <a href="{dep_1_0_url}"\
 data-requires-python="{dep_1_0_python_requires}">{dep_1_0_sdist}</a><br/>
 <a href="{dep_2_0_url}"\
 data-requires-python="{dep_2_0_python_requires}">{dep_2_0_sdist}</a><br/>
 </body>
 </html>
 """
 ).format(
 dep_1_0_url=dep_1_0_url,
 dep_1_0_sdist=dep_1_0_sdist,
 dep_1_0_python_requires=dep_1_0_python_requires,
 dep_2_0_url=dep_2_0_url,
 dep_2_0_sdist=dep_2_0_sdist,
 dep_2_0_python_requires=dep_2_0_python_requires,
 ),
 'utf-8',
 )
 index_url = path_to_url(str(index))
 with contexts.save_pkg_resources_state():
 test_pkg = create_setup_requires_package(
 str(tmpdir),
 'python-xlib',
 '0.19',  # Ignored (overridden by setup_attrs).
 setup_attrs=dict(setup_requires='dep', dependency_links=[index_url]),
 )
 test_setup_py = os.path.join(test_pkg, 'setup.py')
 run_setup(test_setup_py, ['--version'])
 eggs = list(
 map(str, pkg_resources.find_distributions(os.path.join(test_pkg, '.eggs')))
 )
 assert eggs == ['dep 1.0']
 
 @pytest.mark.parametrize('with_dependency_links_in_setup_py', (False, True))
 def test_setup_requires_with_find_links_in_setup_cfg(
 self, monkeypatch, with_dependency_links_in_setup_py
 ):
 monkeypatch.setenv('PIP_RETRIES', '0')
 monkeypatch.setenv('PIP_TIMEOUT', '0')
 with contexts.save_pkg_resources_state():
 with contexts.tempdir() as temp_dir:
 make_trivial_sdist(
 os.path.join(temp_dir, 'python-xlib-42.tar.gz'), 'python-xlib', '42'
 )
 test_pkg = os.path.join(temp_dir, 'test_pkg')
 test_setup_py = os.path.join(test_pkg, 'setup.py')
 test_setup_cfg = os.path.join(test_pkg, 'setup.cfg')
 os.mkdir(test_pkg)
 with open(test_setup_py, 'w', encoding="utf-8") as fp:
 if with_dependency_links_in_setup_py:
 dependency_links = [os.path.join(temp_dir, 'links')]
 else:
 dependency_links = []
 fp.write(
 DALS(
 """
 from setuptools import installer, setup
 setup(setup_requires='python-xlib==42',
 dependency_links={dependency_links!r})
 """
 ).format(dependency_links=dependency_links)
 )
 with open(test_setup_cfg, 'w', encoding="utf-8") as fp:
 fp.write(
 DALS(
 """
 [easy_install]
 index_url = {index_url}
 find_links = {find_links}
 """
 ).format(
 index_url=os.path.join(temp_dir, 'index'),
 find_links=temp_dir,
 )
 )
 run_setup(test_setup_py, ['--version'])
 
 def test_setup_requires_with_transitive_extra_dependency(self, monkeypatch):
 """
 Use case: installing a package with a build dependency on
 an already installed `dep[extra]`, which in turn depends
 on `extra_dep` (whose is not already installed).
 """
 with contexts.save_pkg_resources_state():
 with contexts.tempdir() as temp_dir:
 # Create source distribution for `extra_dep`.
 make_trivial_sdist(
 os.path.join(temp_dir, 'extra_dep-1.0.tar.gz'), 'extra_dep', '1.0'
 )
 # Create source tree for `dep`.
 dep_pkg = os.path.join(temp_dir, 'dep')
 os.mkdir(dep_pkg)
 path.build(
 {
 'setup.py': DALS(
 """
 import setuptools
 setuptools.setup(
 name='dep', version='2.0',
 extras_require={'extra': ['extra_dep']},
 )
 """
 ),
 'setup.cfg': '',
 },
 prefix=dep_pkg,
 )
 # "Install" dep.
 run_setup(os.path.join(dep_pkg, 'setup.py'), ['dist_info'])
 working_set.add_entry(dep_pkg)
 # Create source tree for test package.
 test_pkg = os.path.join(temp_dir, 'test_pkg')
 test_setup_py = os.path.join(test_pkg, 'setup.py')
 os.mkdir(test_pkg)
 with open(test_setup_py, 'w', encoding="utf-8") as fp:
 fp.write(
 DALS(
 """
 from setuptools import installer, setup
 setup(setup_requires='dep[extra]')
 """
 )
 )
 # Check...
 monkeypatch.setenv('PIP_FIND_LINKS', str(temp_dir))
 monkeypatch.setenv('PIP_NO_INDEX', '1')
 monkeypatch.setenv('PIP_RETRIES', '0')
 monkeypatch.setenv('PIP_TIMEOUT', '0')
 run_setup(test_setup_py, ['--version'])
 
 def test_setup_requires_with_distutils_command_dep(self, monkeypatch):
 """
 Use case: ensure build requirements' extras
 are properly installed and activated.
 """
 with contexts.save_pkg_resources_state():
 with contexts.tempdir() as temp_dir:
 # Create source distribution for `extra_dep`.
 make_sdist(
 os.path.join(temp_dir, 'extra_dep-1.0.tar.gz'),
 [
 (
 'setup.py',
 DALS(
 """
 import setuptools
 setuptools.setup(
 name='extra_dep',
 version='1.0',
 py_modules=['extra_dep'],
 )
 """
 ),
 ),
 ('setup.cfg', ''),
 ('extra_dep.py', ''),
 ],
 )
 # Create source tree for `epdep`.
 dep_pkg = os.path.join(temp_dir, 'epdep')
 os.mkdir(dep_pkg)
 path.build(
 {
 'setup.py': DALS(
 """
 import setuptools
 setuptools.setup(
 name='dep', version='2.0',
 py_modules=['epcmd'],
 extras_require={'extra': ['extra_dep']},
 entry_points='''
 [distutils.commands]
 epcmd = epcmd:epcmd [extra]
 ''',
 )
 """
 ),
 'setup.cfg': '',
 'epcmd.py': DALS(
 """
 from distutils.command.build_py import build_py
 
 import extra_dep
 
 class epcmd(build_py):
 pass
 """
 ),
 },
 prefix=dep_pkg,
 )
 # "Install" dep.
 run_setup(os.path.join(dep_pkg, 'setup.py'), ['dist_info'])
 working_set.add_entry(dep_pkg)
 # Create source tree for test package.
 test_pkg = os.path.join(temp_dir, 'test_pkg')
 test_setup_py = os.path.join(test_pkg, 'setup.py')
 os.mkdir(test_pkg)
 with open(test_setup_py, 'w', encoding="utf-8") as fp:
 fp.write(
 DALS(
 """
 from setuptools import installer, setup
 setup(setup_requires='dep[extra]')
 """
 )
 )
 # Check...
 monkeypatch.setenv('PIP_FIND_LINKS', str(temp_dir))
 monkeypatch.setenv('PIP_NO_INDEX', '1')
 monkeypatch.setenv('PIP_RETRIES', '0')
 monkeypatch.setenv('PIP_TIMEOUT', '0')
 run_setup(test_setup_py, ['epcmd'])
 
 
 def make_trivial_sdist(dist_path, distname, version):
 """
 Create a simple sdist tarball at dist_path, containing just a simple
 setup.py.
 """
 
 make_sdist(
 dist_path,
 [
 (
 'setup.py',
 DALS(
 f"""\
 import setuptools
 setuptools.setup(
 name={distname!r},
 version={version!r}
 )
 """
 ),
 ),
 ('setup.cfg', ''),
 ],
 )
 
 
 def make_nspkg_sdist(dist_path, distname, version):
 """
 Make an sdist tarball with distname and version which also contains one
 package with the same name as distname.  The top-level package is
 designated a namespace package).
 """
 # Assert that the distname contains at least one period
 assert '.' in distname
 
 parts = distname.split('.')
 nspackage = parts[0]
 
 packages = ['.'.join(parts[:idx]) for idx in range(1, len(parts) + 1)]
 
 setup_py = DALS(
 f"""\
 import setuptools
 setuptools.setup(
 name={distname!r},
 version={version!r},
 packages={packages!r},
 namespace_packages=[{nspackage!r}]
 )
 """
 )
 
 init = "__import__('pkg_resources').declare_namespace(__name__)"
 
 files = [('setup.py', setup_py), (os.path.join(nspackage, '__init__.py'), init)]
 for package in packages[1:]:
 filename = os.path.join(*(package.split('.') + ['__init__.py']))
 files.append((filename, ''))
 
 make_sdist(dist_path, files)
 
 
 def make_python_requires_sdist(dist_path, distname, version, python_requires):
 make_sdist(
 dist_path,
 [
 (
 'setup.py',
 DALS(
 """\
 import setuptools
 setuptools.setup(
 name={name!r},
 version={version!r},
 python_requires={python_requires!r},
 )
 """
 ).format(
 name=distname, version=version, python_requires=python_requires
 ),
 ),
 ('setup.cfg', ''),
 ],
 )
 
 
 def make_sdist(dist_path, files):
 """
 Create a simple sdist tarball at dist_path, containing the files
 listed in ``files`` as ``(filename, content)`` tuples.
 """
 
 # Distributions with only one file don't play well with pip.
 assert len(files) > 1
 with tarfile.open(dist_path, 'w:gz') as dist:
 for filename, content in files:
 file_bytes = io.BytesIO(content.encode('utf-8'))
 file_info = tarfile.TarInfo(name=filename)
 file_info.size = len(file_bytes.getvalue())
 file_info.mtime = int(time.time())
 dist.addfile(file_info, fileobj=file_bytes)
 
 
 def create_setup_requires_package(
 path,
 distname='foobar',
 version='0.1',
 make_package=make_trivial_sdist,
 setup_py_template=None,
 setup_attrs=None,
 use_setup_cfg=(),
 ):
 """Creates a source tree under path for a trivial test package that has a
 single requirement in setup_requires--a tarball for that requirement is
 also created and added to the dependency_links argument.
 
 ``distname`` and ``version`` refer to the name/version of the package that
 the test package requires via ``setup_requires``.  The name of the test
 package itself is just 'test_pkg'.
 """
 
 normalized_distname = safer_name(distname)
 test_setup_attrs = {
 'name': 'test_pkg',
 'version': '0.0',
 'setup_requires': [f'{normalized_distname}=={version}'],
 'dependency_links': [os.path.abspath(path)],
 }
 if setup_attrs:
 test_setup_attrs.update(setup_attrs)
 
 test_pkg = os.path.join(path, 'test_pkg')
 os.mkdir(test_pkg)
 
 # setup.cfg
 if use_setup_cfg:
 options = []
 metadata = []
 for name in use_setup_cfg:
 value = test_setup_attrs.pop(name)
 if name in 'name version'.split():
 section = metadata
 else:
 section = options
 if isinstance(value, (tuple, list)):
 value = ';'.join(value)
 section.append(f'{name}: {value}')
 test_setup_cfg_contents = DALS(
 """
 [metadata]
 {metadata}
 [options]
 {options}
 """
 ).format(
 options='\n'.join(options),
 metadata='\n'.join(metadata),
 )
 else:
 test_setup_cfg_contents = ''
 with open(os.path.join(test_pkg, 'setup.cfg'), 'w', encoding="utf-8") as f:
 f.write(test_setup_cfg_contents)
 
 # setup.py
 if setup_py_template is None:
 setup_py_template = DALS(
 """\
 import setuptools
 setuptools.setup(**%r)
 """
 )
 with open(os.path.join(test_pkg, 'setup.py'), 'w', encoding="utf-8") as f:
 f.write(setup_py_template % test_setup_attrs)
 
 foobar_path = os.path.join(path, f'{normalized_distname}-{version}.tar.gz')
 make_package(foobar_path, distname, version)
 
 return test_pkg
 
 
 @pytest.mark.skipif(
 sys.platform.startswith('java') and ei.is_sh(sys.executable),
 reason="Test cannot run under java when executable is sh",
 )
 class TestScriptHeader:
 non_ascii_exe = '/Users/José/bin/python'
 exe_with_spaces = r'C:\Program Files\Python36\python.exe'
 
 def test_get_script_header(self):
 expected = f'#!{ei.nt_quote_arg(os.path.normpath(sys.executable))}\n'
 actual = ei.ScriptWriter.get_header('#!/usr/local/bin/python')
 assert actual == expected
 
 def test_get_script_header_args(self):
 expected = f'#!{ei.nt_quote_arg(os.path.normpath(sys.executable))} -x\n'
 actual = ei.ScriptWriter.get_header('#!/usr/bin/python -x')
 assert actual == expected
 
 def test_get_script_header_non_ascii_exe(self):
 actual = ei.ScriptWriter.get_header(
 '#!/usr/bin/python', executable=self.non_ascii_exe
 )
 expected = f'#!{self.non_ascii_exe} -x\n'
 assert actual == expected
 
 def test_get_script_header_exe_with_spaces(self):
 actual = ei.ScriptWriter.get_header(
 '#!/usr/bin/python', executable='"' + self.exe_with_spaces + '"'
 )
 expected = f'#!"{self.exe_with_spaces}"\n'
 assert actual == expected
 
 
 class TestCommandSpec:
 def test_custom_launch_command(self):
 """
 Show how a custom CommandSpec could be used to specify a #! executable
 which takes parameters.
 """
 cmd = ei.CommandSpec(['/usr/bin/env', 'python3'])
 assert cmd.as_header() == '#!/usr/bin/env python3\n'
 
 def test_from_param_for_CommandSpec_is_passthrough(self):
 """
 from_param should return an instance of a CommandSpec
 """
 cmd = ei.CommandSpec(['python'])
 cmd_new = ei.CommandSpec.from_param(cmd)
 assert cmd is cmd_new
 
 @mock.patch('sys.executable', TestScriptHeader.exe_with_spaces)
 @mock.patch.dict(os.environ)
 def test_from_environment_with_spaces_in_executable(self):
 os.environ.pop('__PYVENV_LAUNCHER__', None)
 cmd = ei.CommandSpec.from_environment()
 assert len(cmd) == 1
 assert cmd.as_header().startswith('#!"')
 
 def test_from_simple_string_uses_shlex(self):
 """
 In order to support `executable = /usr/bin/env my-python`, make sure
 from_param invokes shlex on that input.
 """
 cmd = ei.CommandSpec.from_param('/usr/bin/env my-python')
 assert len(cmd) == 2
 assert '"' not in cmd.as_header()
 
 def test_from_param_raises_expected_error(self) -> None:
 """
 from_param should raise its own TypeError when the argument's type is unsupported
 """
 with pytest.raises(TypeError) as exc_info:
 ei.CommandSpec.from_param(object())  # type: ignore[arg-type] # We want a type error here
 assert (
 str(exc_info.value) == "Argument has an unsupported type <class 'object'>"
 ), exc_info.value
 
 
 class TestWindowsScriptWriter:
 def test_header(self):
 hdr = ei.WindowsScriptWriter.get_header('')
 assert hdr.startswith('#!')
 assert hdr.endswith('\n')
 hdr = hdr.lstrip('#!')
 hdr = hdr.rstrip('\n')
 # header should not start with an escaped quote
 assert not hdr.startswith('\\"')
 
 
 class VersionStub(NamedTuple):
 major: int
 minor: int
 micro: int
 releaselevel: str
 serial: int
 
 
 def test_use_correct_python_version_string(tmpdir, tmpdir_cwd, monkeypatch):
 # In issue #3001, easy_install wrongly uses the `python3.1` directory
 # when the interpreter is `python3.10` and the `--user` option is given.
 # See pypa/setuptools#3001.
 dist = Distribution()
 cmd = dist.get_command_obj('easy_install')
 cmd.args = ['ok']
 cmd.optimize = 0
 cmd.user = True
 cmd.install_userbase = str(tmpdir)
 cmd.install_usersite = None
 install_cmd = dist.get_command_obj('install')
 install_cmd.install_userbase = str(tmpdir)
 install_cmd.install_usersite = None
 
 with monkeypatch.context() as patch, warnings.catch_warnings():
 warnings.simplefilter("ignore")
 version = '3.10.1 (main, Dec 21 2021, 09:17:12) [GCC 10.2.1 20210110]'
 info = VersionStub(3, 10, 1, "final", 0)
 patch.setattr('site.ENABLE_USER_SITE', True)
 patch.setattr('sys.version', version)
 patch.setattr('sys.version_info', info)
 patch.setattr(cmd, 'create_home_path', mock.Mock())
 cmd.finalize_options()
 
 name = "pypy" if hasattr(sys, 'pypy_version_info') else "python"
 install_dir = cmd.install_dir.lower()
 
 # In some platforms (e.g. Windows), install_dir is mostly determined
 # via `sysconfig`, which define constants eagerly at module creation.
 # This means that monkeypatching `sys.version` to emulate 3.10 for testing
 # may have no effect.
 # The safest test here is to rely on the fact that 3.1 is no longer
 # supported/tested, and make sure that if 'python3.1' ever appears in the string
 # it is followed by another digit (e.g. 'python3.10').
 if re.search(name + r'3\.?1', install_dir):
 assert re.search(name + r'3\.?1\d', install_dir)
 
 # The following "variables" are used for interpolation in distutils
 # installation schemes, so it should be fair to treat them as "semi-public",
 # or at least public enough so we can have a test to make sure they are correct
 assert cmd.config_vars['py_version'] == '3.10.1'
 assert cmd.config_vars['py_version_short'] == '3.10'
 assert cmd.config_vars['py_version_nodot'] == '310'
 
 
 @pytest.mark.xfail(
 sys.platform == "darwin",
 reason="https://github.com/pypa/setuptools/pull/4716#issuecomment-2447624418",
 )
 def test_editable_user_and_build_isolation(setup_context, monkeypatch, tmp_path):
 """`setup.py develop` should honor `--user` even under build isolation"""
 
 # == Arrange ==
 # Pretend that build isolation was enabled
 # e.g pip sets the environment variable PYTHONNOUSERSITE=1
 monkeypatch.setattr('site.ENABLE_USER_SITE', False)
 
 # Patching $HOME for 2 reasons:
 # 1. setuptools/command/easy_install.py:create_home_path
 #    tries creating directories in $HOME.
 #    Given::
 #        self.config_vars['DESTDIRS'] = (
 #            "/home/user/.pyenv/versions/3.9.10 "
 #            "/home/user/.pyenv/versions/3.9.10/lib "
 #            "/home/user/.pyenv/versions/3.9.10/lib/python3.9 "
 #            "/home/user/.pyenv/versions/3.9.10/lib/python3.9/lib-dynload")
 #    `create_home_path` will::
 #        makedirs(
 #            "/home/user/.pyenv/versions/3.9.10 "
 #            "/home/user/.pyenv/versions/3.9.10/lib "
 #            "/home/user/.pyenv/versions/3.9.10/lib/python3.9 "
 #            "/home/user/.pyenv/versions/3.9.10/lib/python3.9/lib-dynload")
 #
 # 2. We are going to force `site` to update site.USER_BASE and site.USER_SITE
 #    To point inside our new home
 monkeypatch.setenv('HOME', str(tmp_path / '.home'))
 monkeypatch.setenv('USERPROFILE', str(tmp_path / '.home'))
 monkeypatch.setenv('APPDATA', str(tmp_path / '.home'))
 monkeypatch.setattr('site.USER_BASE', None)
 monkeypatch.setattr('site.USER_SITE', None)
 user_site = Path(site.getusersitepackages())
 user_site.mkdir(parents=True, exist_ok=True)
 
 sys_prefix = tmp_path / '.sys_prefix'
 sys_prefix.mkdir(parents=True, exist_ok=True)
 monkeypatch.setattr('sys.prefix', str(sys_prefix))
 
 setup_script = (
 "__import__('setuptools').setup(name='aproj', version=42, packages=[])\n"
 )
 (tmp_path / "setup.py").write_text(setup_script, encoding="utf-8")
 
 # == Sanity check ==
 assert list(sys_prefix.glob("*")) == []
 assert list(user_site.glob("*")) == []
 
 # == Act ==
 run_setup('setup.py', ['develop', '--user'])
 
 # == Assert ==
 # Should not install to sys.prefix
 assert list(sys_prefix.glob("*")) == []
 # Should install to user site
 installed = {f.name for f in user_site.glob("*")}
 # sometimes easy-install.pth is created and sometimes not
 installed = installed - {"easy-install.pth"}
 assert installed == {'aproj.egg-link'}
 
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