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test_install.py
"""Tests for distutils.command.install.""" import logging import os import pathlib import site import sys from distutils import sysconfig from distutils.command import install as install_module from distutils.command.build_ext import build_ext from distutils.command.install import INSTALL_SCHEMES, install from distutils.core import Distribution from distutils.errors import DistutilsOptionError from distutils.extension import Extension from distutils.tests import missing_compiler_executable, support from distutils.util import is_mingw import pytest def _make_ext_name(modname): return modname + sysconfig.get_config_var('EXT_SUFFIX') @support.combine_markers @pytest.mark.usefixtures('save_env') class TestInstall( support.TempdirManager, ): @pytest.mark.xfail( 'platform.system() == "Windows" and sys.version_info > (3, 11)', reason="pypa/distutils#148", ) def test_home_installation_scheme(self): # This ensure two things: # - that --home generates the desired set of directory names # - test --home is supported on all platforms builddir = self.mkdtemp() destination = os.path.join(builddir, "installation") dist = Distribution({"name": "foopkg"}) # script_name need not exist, it just need to be initialized dist.script_name = os.path.join(builddir, "setup.py") dist.command_obj["build"] = support.DummyCommand( build_base=builddir, build_lib=os.path.join(builddir, "lib"), ) cmd = install(dist) cmd.home = destination cmd.ensure_finalized() assert cmd.install_base == destination assert cmd.install_platbase == destination def check_path(got, expected): got = os.path.normpath(got) expected = os.path.normpath(expected) assert got == expected impl_name = sys.implementation.name.replace("cpython", "python") libdir = os.path.join(destination, "lib", impl_name) check_path(cmd.install_lib, libdir) _platlibdir = getattr(sys, "platlibdir", "lib") platlibdir = os.path.join(destination, _platlibdir, impl_name) check_path(cmd.install_platlib, platlibdir) check_path(cmd.install_purelib, libdir) check_path( cmd.install_headers, os.path.join(destination, "include", impl_name, "foopkg"), ) check_path(cmd.install_scripts, os.path.join(destination, "bin")) check_path(cmd.install_data, destination) def test_user_site(self, monkeypatch): # test install with --user # preparing the environment for the test self.tmpdir = self.mkdtemp() orig_site = site.USER_SITE orig_base = site.USER_BASE monkeypatch.setattr(site, 'USER_BASE', os.path.join(self.tmpdir, 'B')) monkeypatch.setattr(site, 'USER_SITE', os.path.join(self.tmpdir, 'S')) monkeypatch.setattr(install_module, 'USER_BASE', site.USER_BASE) monkeypatch.setattr(install_module, 'USER_SITE', site.USER_SITE) def _expanduser(path): if path.startswith('~'): return os.path.normpath(self.tmpdir + path[1:]) return path monkeypatch.setattr(os.path, 'expanduser', _expanduser) for key in ('nt_user', 'posix_user'): assert key in INSTALL_SCHEMES dist = Distribution({'name': 'xx'}) cmd = install(dist) # making sure the user option is there options = [name for name, short, label in cmd.user_options] assert 'user' in options # setting a value cmd.user = True # user base and site shouldn't be created yet assert not os.path.exists(site.USER_BASE) assert not os.path.exists(site.USER_SITE) # let's run finalize cmd.ensure_finalized() # now they should assert os.path.exists(site.USER_BASE) assert os.path.exists(site.USER_SITE) assert 'userbase' in cmd.config_vars assert 'usersite' in cmd.config_vars actual_headers = os.path.relpath(cmd.install_headers, site.USER_BASE) if os.name == 'nt' and not is_mingw(): site_path = os.path.relpath(os.path.dirname(orig_site), orig_base) include = os.path.join(site_path, 'Include') else: include = sysconfig.get_python_inc(0, '') expect_headers = os.path.join(include, 'xx') assert os.path.normcase(actual_headers) == os.path.normcase(expect_headers) def test_handle_extra_path(self): dist = Distribution({'name': 'xx', 'extra_path': 'path,dirs'}) cmd = install(dist) # two elements cmd.handle_extra_path() assert cmd.extra_path == ['path', 'dirs'] assert cmd.extra_dirs == 'dirs' assert cmd.path_file == 'path' # one element cmd.extra_path = ['path'] cmd.handle_extra_path() assert cmd.extra_path == ['path'] assert cmd.extra_dirs == 'path' assert cmd.path_file == 'path' # none dist.extra_path = cmd.extra_path = None cmd.handle_extra_path() assert cmd.extra_path is None assert cmd.extra_dirs == '' assert cmd.path_file is None # three elements (no way !) cmd.extra_path = 'path,dirs,again' with pytest.raises(DistutilsOptionError): cmd.handle_extra_path() def test_finalize_options(self): dist = Distribution({'name': 'xx'}) cmd = install(dist) # must supply either prefix/exec-prefix/home or # install-base/install-platbase -- not both cmd.prefix = 'prefix' cmd.install_base = 'base' with pytest.raises(DistutilsOptionError): cmd.finalize_options() # must supply either home or prefix/exec-prefix -- not both cmd.install_base = None cmd.home = 'home' with pytest.raises(DistutilsOptionError): cmd.finalize_options() # can't combine user with prefix/exec_prefix/home or # install_(plat)base cmd.prefix = None cmd.user = 'user' with pytest.raises(DistutilsOptionError): cmd.finalize_options() def test_record(self): install_dir = self.mkdtemp() project_dir, dist = self.create_dist(py_modules=['hello'], scripts=['sayhi']) os.chdir(project_dir) self.write_file('hello.py', "def main(): print('o hai')") self.write_file('sayhi', 'from hello import main; main()') cmd = install(dist) dist.command_obj['install'] = cmd cmd.root = install_dir cmd.record = os.path.join(project_dir, 'filelist') cmd.ensure_finalized() cmd.run() content = pathlib.Path(cmd.record).read_text(encoding='utf-8') found = [pathlib.Path(line).name for line in content.splitlines()] expected = [ 'hello.py', f'hello.{sys.implementation.cache_tag}.pyc', 'sayhi', 'UNKNOWN-0.0.0-py{}.{}.egg-info'.format(*sys.version_info[:2]), ] assert found == expected def test_record_extensions(self): cmd = missing_compiler_executable() if cmd is not None: pytest.skip(f'The {cmd!r} command is not found') install_dir = self.mkdtemp() project_dir, dist = self.create_dist( ext_modules=[Extension('xx', ['xxmodule.c'])] ) os.chdir(project_dir) support.copy_xxmodule_c(project_dir) buildextcmd = build_ext(dist) support.fixup_build_ext(buildextcmd) buildextcmd.ensure_finalized() cmd = install(dist) dist.command_obj['install'] = cmd dist.command_obj['build_ext'] = buildextcmd cmd.root = install_dir cmd.record = os.path.join(project_dir, 'filelist') cmd.ensure_finalized() cmd.run() content = pathlib.Path(cmd.record).read_text(encoding='utf-8') found = [pathlib.Path(line).name for line in content.splitlines()] expected = [ _make_ext_name('xx'), 'UNKNOWN-0.0.0-py{}.{}.egg-info'.format(*sys.version_info[:2]), ] assert found == expected def test_debug_mode(self, caplog, monkeypatch): # this covers the code called when DEBUG is set monkeypatch.setattr(install_module, 'DEBUG', True) caplog.set_level(logging.DEBUG) self.test_record() assert any(rec for rec in caplog.records if rec.levelno == logging.DEBUG)
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