bpo-44771: Apply changes from importlib_resources 5.2.1 (GH-27436)

* bpo-44771: Apply changes from importlib_resources@3b24bd6307

* Add blurb

* Exclude namespacedata01 from eol conversion.

1 files changed, 0 insertions, 172 deletions

diff --git a/Lib/test/test_importlib/util.py b/Lib/test/test_importlib/util.py
index ca0d8c9b6e..c07ac2a64c 100644
--- a/Lib/test/test_importlib/util.py
+++ b/Lib/test/test_importlib/util.py
@@ -1,17 +1,11 @@
-import abc
 import builtins
 import contextlib
 import errno
 import functools
-import importlib
 from importlib import machinery, util, invalidate_caches
-from importlib.abc import ResourceReader
-import io
 import marshal
 import os
 import os.path
-from pathlib import Path, PurePath
-from test import support
 from test.support import import_helper
 from test.support import os_helper
 import unittest
@@ -19,9 +13,6 @@ import sys
 import tempfile
 import types
 
-from . import data01
-from . import zipdata01
-
 
 BUILTINS = types.SimpleNamespace()
 BUILTINS.good_name = None
@@ -417,166 +408,3 @@ class CASEOKTestBase:
         if any(x in self.importlib._bootstrap_external._os.environ
                     for x in possibilities) != should_exist:
             self.skipTest('os.environ changes not reflected in _os.environ')
-
-
-def create_package(file, path, is_package=True, contents=()):
-    class Reader(ResourceReader):
-        def get_resource_reader(self, package):
-            return self
-
-        def open_resource(self, path):
-            self._path = path
-            if isinstance(file, Exception):
-                raise file
-            else:
-                return file
-
-        def resource_path(self, path_):
-            self._path = path_
-            if isinstance(path, Exception):
-                raise path
-            else:
-                return path
-
-        def is_resource(self, path_):
-            self._path = path_
-            if isinstance(path, Exception):
-                raise path
-            for entry in contents:
-                parts = entry.split('/')
-                if len(parts) == 1 and parts[0] == path_:
-                    return True
-            return False
-
-        def contents(self):
-            if isinstance(path, Exception):
-                raise path
-            # There's no yield from in baseball, er, Python 2.
-            for entry in contents:
-                yield entry
-
-    name = 'testingpackage'
-    # Unfortunately importlib.util.module_from_spec() was not introduced until
-    # Python 3.5.
-    module = types.ModuleType(name)
-    loader = Reader()
-    spec = machinery.ModuleSpec(
-        name, loader,
-        origin='does-not-exist',
-        is_package=is_package)
-    module.__spec__ = spec
-    module.__loader__ = loader
-    return module
-
-
-class CommonResourceTests(abc.ABC):
-    @abc.abstractmethod
-    def execute(self, package, path):
-        raise NotImplementedError
-
-    def test_package_name(self):
-        # Passing in the package name should succeed.
-        self.execute(data01.__name__, 'utf-8.file')
-
-    def test_package_object(self):
-        # Passing in the package itself should succeed.
-        self.execute(data01, 'utf-8.file')
-
-    def test_string_path(self):
-        # Passing in a string for the path should succeed.
-        path = 'utf-8.file'
-        self.execute(data01, path)
-
-    @unittest.skipIf(sys.version_info < (3, 6), 'requires os.PathLike support')
-    def test_pathlib_path(self):
-        # Passing in a pathlib.PurePath object for the path should succeed.
-        path = PurePath('utf-8.file')
-        self.execute(data01, path)
-
-    def test_absolute_path(self):
-        # An absolute path is a ValueError.
-        path = Path(__file__)
-        full_path = path.parent/'utf-8.file'
-        with self.assertRaises(ValueError):
-            self.execute(data01, full_path)
-
-    def test_relative_path(self):
-        # A relative path is a ValueError.
-        with self.assertRaises(ValueError):
-            self.execute(data01, '../data01/utf-8.file')
-
-    def test_importing_module_as_side_effect(self):
-        # The anchor package can already be imported.
-        del sys.modules[data01.__name__]
-        self.execute(data01.__name__, 'utf-8.file')
-
-    def test_non_package_by_name(self):
-        # The anchor package cannot be a module.
-        with self.assertRaises(TypeError):
-            self.execute(__name__, 'utf-8.file')
-
-    def test_non_package_by_package(self):
-        # The anchor package cannot be a module.
-        with self.assertRaises(TypeError):
-            module = sys.modules['test.test_importlib.util']
-            self.execute(module, 'utf-8.file')
-
-    @unittest.skipIf(sys.version_info < (3,), 'No ResourceReader in Python 2')
-    def test_resource_opener(self):
-        bytes_data = io.BytesIO(b'Hello, world!')
-        package = create_package(file=bytes_data, path=FileNotFoundError())
-        self.execute(package, 'utf-8.file')
-        self.assertEqual(package.__loader__._path, 'utf-8.file')
-
-    @unittest.skipIf(sys.version_info < (3,), 'No ResourceReader in Python 2')
-    def test_resource_path(self):
-        bytes_data = io.BytesIO(b'Hello, world!')
-        path = __file__
-        package = create_package(file=bytes_data, path=path)
-        self.execute(package, 'utf-8.file')
-        self.assertEqual(package.__loader__._path, 'utf-8.file')
-
-    def test_useless_loader(self):
-        package = create_package(file=FileNotFoundError(),
-                                 path=FileNotFoundError())
-        with self.assertRaises(FileNotFoundError):
-            self.execute(package, 'utf-8.file')
-
-
-class ZipSetupBase:
-    ZIP_MODULE = None
-
-    @classmethod
-    def setUpClass(cls):
-        data_path = Path(cls.ZIP_MODULE.__file__)
-        data_dir = data_path.parent
-        cls._zip_path = str(data_dir / 'ziptestdata.zip')
-        sys.path.append(cls._zip_path)
-        cls.data = importlib.import_module('ziptestdata')
-
-    @classmethod
-    def tearDownClass(cls):
-        try:
-            sys.path.remove(cls._zip_path)
-        except ValueError:
-            pass
-
-        try:
-            del sys.path_importer_cache[cls._zip_path]
-            del sys.modules[cls.data.__name__]
-        except KeyError:
-            pass
-
-        try:
-            del cls.data
-            del cls._zip_path
-        except AttributeError:
-            pass
-
-    def setUp(self):
-        modules = import_helper.modules_setup()
-        self.addCleanup(import_helper.modules_cleanup, *modules)
-
-
-class ZipSetup(ZipSetupBase):
-    ZIP_MODULE = zipdata01                          # type: ignore