Remove unused vars or mark them explicitly (#4724)

pkg_resources/__init__.py

@@ -2064,7 +2064,7 @@ def _extract_resource(self, manager: ResourceManager, zip_path) -> str:  # noqa:
             # return the extracted directory name
             return os.path.dirname(last)
 
-        timestamp, size = self._get_date_and_size(self.zipinfo[zip_path])
+        timestamp, _size = self._get_date_and_size(self.zipinfo[zip_path])
 
         if not WRITE_SUPPORT:
             raise OSError(

pkg_resources/tests/test_resources.py

@@ -693,11 +693,11 @@ def test_requirements_with_markers(self):
         ) != Requirement.parse("name[foo,bar]==1.0;python_version=='3.6'")
 
     def test_local_version(self):
-        (req,) = parse_requirements('foo==1.0+org1')
+        parse_requirements('foo==1.0+org1')
 
     def test_spaces_between_multiple_versions(self):
-        (req,) = parse_requirements('foo>=1.0, <3')
-        (req,) = parse_requirements('foo >= 1.0, < 3')
+        parse_requirements('foo>=1.0, <3')
+        parse_requirements('foo >= 1.0, < 3')
 
     @pytest.mark.parametrize(
         ("lower", "upper"),

setup.py

@@ -32,7 +32,7 @@ def pypi_link(pkg_filename):
     dependency link for PyPI.
     """
     root = 'https://files.pythonhosted.org/packages/source'
-    name, sep, rest = pkg_filename.partition('-')
+    name, _sep, _rest = pkg_filename.partition('-')
     parts = root, name[0], name, pkg_filename
     return '/'.join(parts)
 

setuptools/__init__.py

@@ -70,7 +70,7 @@ def __init__(self, attrs: Mapping[str, object]):
         def _get_project_config_files(self, filenames=None):
             """Ignore ``pyproject.toml``, they are not related to setup_requires"""
             try:
-                cfg, toml = super()._split_standard_project_metadata(filenames)
+                cfg, _toml = super()._split_standard_project_metadata(filenames)
             except Exception:
                 return filenames, ()
             return cfg, ()

setuptools/command/bdist_egg.py

@@ -181,7 +181,7 @@ def run(self):  # noqa: C901  # is too complex (14)  # FIXME
         self.stubs = []
         to_compile = []
         for p, ext_name in enumerate(ext_outputs):
-            filename, ext = os.path.splitext(ext_name)
+            filename, _ext = os.path.splitext(ext_name)
             pyfile = os.path.join(self.bdist_dir, strip_module(filename) + '.py')
             self.stubs.append(pyfile)
             log.info("creating stub loader for %s", ext_name)

setuptools/command/build_ext.py

@@ -460,7 +460,7 @@ def link_shared_object(
 
         assert output_dir is None  # distutils build_ext doesn't pass this
         output_dir, filename = os.path.split(output_libname)
-        basename, ext = os.path.splitext(filename)
+        basename, _ext = os.path.splitext(filename)
         if self.library_filename("x").startswith('lib'):
             # strip 'lib' prefix; this is kludgy if some platform uses
             # a different prefix

setuptools/command/easy_install.py

@@ -1547,7 +1547,7 @@ def extract_wininst_cfg(dist_filename):
             return None
         f.seek(prepended - 12)
 
-        tag, cfglen, bmlen = struct.unpack("<iii", f.read(12))
+        tag, cfglen, _bmlen = struct.unpack("<iii", f.read(12))
         if tag not in (0x1234567A, 0x1234567B):
             return None  # not a valid tag
 

setuptools/command/install_lib.py

@@ -52,7 +52,7 @@ def _all_packages(pkg_name):
         """
         while pkg_name:
             yield pkg_name
-            pkg_name, sep, child = pkg_name.rpartition('.')
+            pkg_name, _sep, _child = pkg_name.rpartition('.')
 
     def _get_SVEM_NSPs(self):
         """

setuptools/config/setupcfg.py

@@ -263,7 +263,7 @@ def _section_options(
         cls, options: AllCommandOptions
     ) -> Iterator[tuple[str, SingleCommandOptions]]:
         for full_name, value in options.items():
-            pre, sep, name = full_name.partition(cls.section_prefix)
+            pre, _sep, name = full_name.partition(cls.section_prefix)
             if pre:
                 continue
             yield name.lstrip('.'), value

setuptools/depends.py

@@ -70,7 +70,7 @@ def get_version(
 
         if self.attribute is None:
             try:
-                f, p, i = find_module(self.module, paths)
+                f, _p, _i = find_module(self.module, paths)
             except ImportError:
                 return None
             if f:
@@ -122,7 +122,7 @@ def get_module_constant(
         constant.  Otherwise, return 'default'."""
 
         try:
-            f, path, (suffix, mode, kind) = info = find_module(module, paths)
+            f, path, (_suffix, _mode, kind) = info = find_module(module, paths)
         except ImportError:
             # Module doesn't exist
             return None

setuptools/dist.py

@@ -113,7 +113,7 @@ def check_nsp(dist, attr, value):
                 "Distribution contains no modules or packages for "
                 + "namespace package %r" % nsp
             )
-        parent, sep, child = nsp.rpartition('.')
+        parent, _sep, _child = nsp.rpartition('.')
         if parent and parent not in ns_packages:
             distutils.log.warn(
                 "WARNING: %r is declared as a package namespace, but %r"
@@ -145,7 +145,7 @@ def check_extras(dist, attr, value):
 
 
 def _check_extra(extra, reqs):
-    name, sep, marker = extra.partition(':')
+    _name, _sep, marker = extra.partition(':')
     try:
         _check_marker(marker)
     except InvalidMarker:
@@ -886,7 +886,7 @@ def _parse_command_opts(self, parser, args):
         command = args[0]
         aliases = self.get_option_dict('aliases')
         while command in aliases:
-            src, alias = aliases[command]
+            _src, alias = aliases[command]
             del aliases[command]  # ensure each alias can expand only once!
             import shlex
 
@@ -951,7 +951,7 @@ def iter_distribution_names(self):
 
         for ext in self.ext_modules or ():
             if isinstance(ext, tuple):
-                name, buildinfo = ext
+                name, _buildinfo = ext
             else:
                 name = ext.name
             if name.endswith('module'):

setuptools/package_index.py

@@ -104,7 +104,7 @@ def parse_bdist_wininst(name):
 
 def egg_info_for_url(url):
     parts = urllib.parse.urlparse(url)
-    scheme, server, path, parameters, query, fragment = parts
+    _scheme, server, path, _parameters, _query, fragment = parts
     base = urllib.parse.unquote(path.split('/')[-1])
     if server == 'sourceforge.net' and base == 'download':  # XXX Yuck
         base = urllib.parse.unquote(path.split('/')[-2])
@@ -431,7 +431,7 @@ def scan_egg_link(self, path, entry) -> None:
             # format is not recognized; punt
             return
 
-        egg_path, setup_path = lines
+        egg_path, _setup_path = lines
 
         for dist in find_distributions(os.path.join(path, egg_path)):
             dist.location = os.path.join(path, *lines)
@@ -820,7 +820,7 @@ def open_url(self, url, warning=None):  # noqa: C901  # is too complex (12)
     def _download_url(self, url, tmpdir):
         # Determine download filename
         #
-        name, fragment = egg_info_for_url(url)
+        name, _fragment = egg_info_for_url(url)
         if name:
             while '..' in name:
                 name = name.replace('..', '.').replace('\\', '_')
@@ -848,7 +848,7 @@ def _resolve_vcs(url):
         >>> rvcs('http://foo/bar')
         """
         scheme = urllib.parse.urlsplit(url).scheme
-        pre, sep, post = scheme.partition('+')
+        pre, sep, _post = scheme.partition('+')
         # svn and git have their own protocol; hg does not
         allowed = set(['svn', 'git'] + ['hg'] * bool(sep))
         return next(iter({pre} & allowed), None)
@@ -1121,7 +1121,7 @@ def fix_sf_url(url):
 
 def local_open(url):
     """Read a local path, with special support for directories"""
-    scheme, server, path, param, query, frag = urllib.parse.urlparse(url)
+    _scheme, _server, path, _param, _query, _frag = urllib.parse.urlparse(url)
     filename = urllib.request.url2pathname(path)
     if os.path.isfile(filename):
         return urllib.request.urlopen(url)

setuptools/sandbox.py

@@ -150,7 +150,7 @@ def resume(self):
         if '_saved' not in vars(self):
             return
 
-        type, exc = map(pickle.loads, self._saved)
+        _type, exc = map(pickle.loads, self._saved)
         raise exc.with_traceback(self._tb)
 
 

setuptools/tests/config/test_setupcfg.py

@@ -288,9 +288,7 @@ def test_version(self, tmpdir):
             assert dist.metadata.version == '2016.11.26'
 
     def test_version_file(self, tmpdir):
-        _, config = fake_env(
-            tmpdir, '[metadata]\nversion = file: fake_package/version.txt\n'
-        )
+        fake_env(tmpdir, '[metadata]\nversion = file: fake_package/version.txt\n')
         tmpdir.join('fake_package', 'version.txt').write('1.2.3\n')
 
         with get_dist(tmpdir) as dist:
@@ -302,7 +300,7 @@ def test_version_file(self, tmpdir):
                 dist.metadata.version
 
     def test_version_with_package_dir_simple(self, tmpdir):
-        _, config = fake_env(
+        fake_env(
             tmpdir,
             '[metadata]\n'
             'version = attr: fake_package_simple.VERSION\n'
@@ -316,7 +314,7 @@ def test_version_with_package_dir_simple(self, tmpdir):
             assert dist.metadata.version == '1.2.3'
 
     def test_version_with_package_dir_rename(self, tmpdir):
-        _, config = fake_env(
+        fake_env(
             tmpdir,
             '[metadata]\n'
             'version = attr: fake_package_rename.VERSION\n'
@@ -330,7 +328,7 @@ def test_version_with_package_dir_rename(self, tmpdir):
             assert dist.metadata.version == '1.2.3'
 
     def test_version_with_package_dir_complex(self, tmpdir):
-        _, config = fake_env(
+        fake_env(
             tmpdir,
             '[metadata]\n'
             'version = attr: fake_package_complex.VERSION\n'
@@ -585,8 +583,8 @@ def test_packages(self, tmpdir):
     def test_find_directive(self, tmpdir):
         dir_package, config = fake_env(tmpdir, '[options]\npackages = find:\n')
 
-        dir_sub_one, _ = make_package_dir('sub_one', dir_package)
-        dir_sub_two, _ = make_package_dir('sub_two', dir_package)
+        make_package_dir('sub_one', dir_package)
+        make_package_dir('sub_two', dir_package)
 
         with get_dist(tmpdir) as dist:
             assert set(dist.packages) == set([
@@ -624,8 +622,8 @@ def test_find_namespace_directive(self, tmpdir):
             tmpdir, '[options]\npackages = find_namespace:\n'
         )
 
-        dir_sub_one, _ = make_package_dir('sub_one', dir_package)
-        dir_sub_two, _ = make_package_dir('sub_two', dir_package, ns=True)
+        make_package_dir('sub_one', dir_package)
+        make_package_dir('sub_two', dir_package, ns=True)
 
         with get_dist(tmpdir) as dist:
             assert set(dist.packages) == {
@@ -779,7 +777,7 @@ def test_entry_points(self, tmpdir):
             assert dist.entry_points == expected
 
     def test_case_sensitive_entry_points(self, tmpdir):
-        _, config = fake_env(
+        fake_env(
             tmpdir,
             '[options.entry_points]\n'
             'GROUP1 = point1 = pack.module:func, '

setuptools/tests/test_easy_install.py

@@ -72,7 +72,7 @@ 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)
+        _name, script = itertools.islice(args, 2)
         assert script.startswith(header)
         assert "'spec'" in script
         assert "'console_scripts'" in script
@@ -651,7 +651,7 @@ def test_setup_requires_overrides_version_conflict(self, use_setup_cfg):
                     temp_dir, use_setup_cfg=use_setup_cfg
                 )
                 test_setup_py = os.path.join(test_pkg, 'setup.py')
-                with contexts.quiet() as (stdout, stderr):
+                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'])
@@ -713,7 +713,7 @@ def test_setup_requires_override_nspkg(self, use_setup_cfg):
 
                 test_setup_py = os.path.join(test_pkg, 'setup.py')
 
-                with contexts.quiet() as (stdout, stderr):
+                with contexts.quiet() as (stdout, _stderr):
                     try:
                         # Don't even need to install the package, just
                         # running the setup.py at all is sufficient
@@ -765,7 +765,7 @@ def make_dependency_sdist(dist_path, distname, version):
                     use_setup_cfg=use_setup_cfg + ('version',),
                 )
                 test_setup_py = os.path.join(test_pkg, 'setup.py')
-                with contexts.quiet() as (stdout, stderr):
+                with contexts.quiet() as (stdout, _stderr):
                     run_setup(test_setup_py, ['--version'])
                 lines = stdout.readlines()
                 assert len(lines) > 0

setuptools/tests/test_egg_info.py

@@ -512,7 +512,7 @@ def test_provides_extra(self, tmpdir_cwd, env):
         environ = os.environ.copy().update(
             HOME=env.paths['home'],
         )
-        code, data = environment.run_setup_py(
+        environment.run_setup_py(
             cmd=['egg_info'],
             pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
             data_stream=1,
@@ -1060,7 +1060,7 @@ def test_license_file_attr_pkg_info(self, tmpdir_cwd, env):
     def test_metadata_version(self, tmpdir_cwd, env):
         """Make sure latest metadata version is used by default."""
         self._setup_script_with_requires("")
-        code, data = environment.run_setup_py(
+        environment.run_setup_py(
             cmd=['egg_info'],
             pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
             data_stream=1,
@@ -1085,7 +1085,7 @@ def test_long_description_content_type(self, tmpdir_cwd, env):
         environ = os.environ.copy().update(
             HOME=env.paths['home'],
         )
-        code, data = environment.run_setup_py(
+        environment.run_setup_py(
             cmd=['egg_info'],
             pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
             data_stream=1,
@@ -1107,7 +1107,7 @@ def test_long_description(self, tmpdir_cwd, env):
             "long_description='This is a long description\\nover multiple lines',"
             "long_description_content_type='text/markdown',"
         )
-        code, data = environment.run_setup_py(
+        environment.run_setup_py(
             cmd=['egg_info'],
             pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
             data_stream=1,
@@ -1138,7 +1138,7 @@ def test_project_urls(self, tmpdir_cwd, env):
         environ = os.environ.copy().update(
             HOME=env.paths['home'],
         )
-        code, data = environment.run_setup_py(
+        environment.run_setup_py(
             cmd=['egg_info'],
             pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
             data_stream=1,
@@ -1156,7 +1156,7 @@ def test_project_urls(self, tmpdir_cwd, env):
     def test_license(self, tmpdir_cwd, env):
         """Test single line license."""
         self._setup_script_with_requires("license='MIT',")
-        code, data = environment.run_setup_py(
+        environment.run_setup_py(
             cmd=['egg_info'],
             pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
             data_stream=1,
@@ -1171,7 +1171,7 @@ def test_license_escape(self, tmpdir_cwd, env):
         self._setup_script_with_requires(
             "license='This is a long license text \\nover multiple lines',"
         )
-        code, data = environment.run_setup_py(
+        environment.run_setup_py(
             cmd=['egg_info'],
             pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
             data_stream=1,
@@ -1189,7 +1189,7 @@ def test_python_requires_egg_info(self, tmpdir_cwd, env):
         environ = os.environ.copy().update(
             HOME=env.paths['home'],
         )
-        code, data = environment.run_setup_py(
+        environment.run_setup_py(
             cmd=['egg_info'],
             pypath=os.pathsep.join([env.paths['lib'], str(tmpdir_cwd)]),
             data_stream=1,

setuptools/tests/test_manifest.py

@@ -369,7 +369,7 @@ def assertWarnings(self, caplog):
     def make_files(self, files):
         for file in files:
             file = os.path.join(self.temp_dir, file)
-            dirname, basename = os.path.split(file)
+            dirname, _basename = os.path.split(file)
             os.makedirs(dirname, exist_ok=True)
             touch(file)
 

setuptools/tests/test_setuptools.py

@@ -74,7 +74,7 @@ def testFindModule(self):
             dep.find_module('no-such.-thing')
         with pytest.raises(ImportError):
             dep.find_module('setuptools.non-existent')
-        f, p, i = dep.find_module('setuptools.tests')
+        f, _p, _i = dep.find_module('setuptools.tests')
         f.close()
 
     @needs_bytecode