gh-98098: Create packages from zipfile and test_zipfile (gh-98103)

* gh-98098: Move zipfile into a package.

* Moved test_zipfile to a package

* Extracted module for test_path.

* Add blurb

* Add jaraco as owner of zipfile.Path.

* Synchronize with minor changes found at jaraco/zipp@d9e7f4352d.

8 files changed, 834 insertions, 798 deletions

diff --git a/.github/CODEOWNERS b/.github/CODEOWNERS
index 5f6d862..5d30c09 100644
--- a/.github/CODEOWNERS
+++ b/.github/CODEOWNERS
@@ -154,3 +154,6 @@ Lib/ast.py                    @isidentical
 
 # pathlib
 **/*pathlib*                  @brettcannon
+
+# zipfile.Path
+**/*zipfile/*_path.py         @jaraco
diff --git a/Lib/test/test_zipfile/__init__.py b/Lib/test/test_zipfile/__init__.py
new file mode 100644
index 0000000..4b16ecc
--- /dev/null
+++ b/Lib/test/test_zipfile/__init__.py
@@ -0,0 +1,5 @@
+import os
+from test.support import load_package_tests
+
+def load_tests(*args):
+    return load_package_tests(os.path.dirname(__file__), *args)
diff --git a/Lib/test/test_zipfile.py b/Lib/test/test_zipfile/test_core.py
index 6f6f4bc..bb0f146 100644
--- a/Lib/test/test_zipfile.py
+++ b/Lib/test/test_zipfile/test_core.py
@@ -6,7 +6,6 @@ import itertools
 import os
 import pathlib
 import posixpath
-import string
 import struct
 import subprocess
 import sys
@@ -14,7 +13,6 @@ import time
 import unittest
 import unittest.mock as mock
 import zipfile
-import functools
 
 
 from tempfile import TemporaryFile
@@ -2715,13 +2713,13 @@ class TestWithDirectory(unittest.TestCase):
 class ZipInfoTests(unittest.TestCase):
     def test_from_file(self):
         zi = zipfile.ZipInfo.from_file(__file__)
-        self.assertEqual(posixpath.basename(zi.filename), 'test_zipfile.py')
+        self.assertEqual(posixpath.basename(zi.filename), 'test_core.py')
         self.assertFalse(zi.is_dir())
         self.assertEqual(zi.file_size, os.path.getsize(__file__))
 
     def test_from_file_pathlike(self):
         zi = zipfile.ZipInfo.from_file(pathlib.Path(__file__))
-        self.assertEqual(posixpath.basename(zi.filename), 'test_zipfile.py')
+        self.assertEqual(posixpath.basename(zi.filename), 'test_core.py')
         self.assertFalse(zi.is_dir())
         self.assertEqual(zi.file_size, os.path.getsize(__file__))
 
@@ -2867,420 +2865,6 @@ class TestExecutablePrependedZip(unittest.TestCase):
         self.assertIn(b'number in executable: 5', output)
 
 
-# Poor man's technique to consume a (smallish) iterable.
-consume = tuple
-
-
-# from jaraco.itertools 5.0
-class jaraco:
-    class itertools:
-        class Counter:
-            def __init__(self, i):
-                self.count = 0
-                self._orig_iter = iter(i)
-
-            def __iter__(self):
-                return self
-
-            def __next__(self):
-                result = next(self._orig_iter)
-                self.count += 1
-                return result
-
-
-def add_dirs(zf):
-    """
-    Given a writable zip file zf, inject directory entries for
-    any directories implied by the presence of children.
-    """
-    for name in zipfile.CompleteDirs._implied_dirs(zf.namelist()):
-        zf.writestr(name, b"")
-    return zf
-
-
-def build_alpharep_fixture():
-    """
-    Create a zip file with this structure:
-
-    .
-    ├── a.txt
-    ├── b
-    │   ├── c.txt
-    │   ├── d
-    │   │   └── e.txt
-    │   └── f.txt
-    └── g
-        └── h
-            └── i.txt
-
-    This fixture has the following key characteristics:
-
-    - a file at the root (a)
-    - a file two levels deep (b/d/e)
-    - multiple files in a directory (b/c, b/f)
-    - a directory containing only a directory (g/h)
-
-    "alpha" because it uses alphabet
-    "rep" because it's a representative example
-    """
-    data = io.BytesIO()
-    zf = zipfile.ZipFile(data, "w")
-    zf.writestr("a.txt", b"content of a")
-    zf.writestr("b/c.txt", b"content of c")
-    zf.writestr("b/d/e.txt", b"content of e")
-    zf.writestr("b/f.txt", b"content of f")
-    zf.writestr("g/h/i.txt", b"content of i")
-    zf.filename = "alpharep.zip"
-    return zf
-
-
-def pass_alpharep(meth):
-    """
-    Given a method, wrap it in a for loop that invokes method
-    with each subtest.
-    """
-
-    @functools.wraps(meth)
-    def wrapper(self):
-        for alpharep in self.zipfile_alpharep():
-            meth(self, alpharep=alpharep)
-
-    return wrapper
-
-
-class TestPath(unittest.TestCase):
-    def setUp(self):
-        self.fixtures = contextlib.ExitStack()
-        self.addCleanup(self.fixtures.close)
-
-    def zipfile_alpharep(self):
-        with self.subTest():
-            yield build_alpharep_fixture()
-        with self.subTest():
-            yield add_dirs(build_alpharep_fixture())
-
-    def zipfile_ondisk(self, alpharep):
-        tmpdir = pathlib.Path(self.fixtures.enter_context(temp_dir()))
-        buffer = alpharep.fp
-        alpharep.close()
-        path = tmpdir / alpharep.filename
-        with path.open("wb") as strm:
-            strm.write(buffer.getvalue())
-        return path
-
-    @pass_alpharep
-    def test_iterdir_and_types(self, alpharep):
-        root = zipfile.Path(alpharep)
-        assert root.is_dir()
-        a, b, g = root.iterdir()
-        assert a.is_file()
-        assert b.is_dir()
-        assert g.is_dir()
-        c, f, d = b.iterdir()
-        assert c.is_file() and f.is_file()
-        (e,) = d.iterdir()
-        assert e.is_file()
-        (h,) = g.iterdir()
-        (i,) = h.iterdir()
-        assert i.is_file()
-
-    @pass_alpharep
-    def test_is_file_missing(self, alpharep):
-        root = zipfile.Path(alpharep)
-        assert not root.joinpath('missing.txt').is_file()
-
-    @pass_alpharep
-    def test_iterdir_on_file(self, alpharep):
-        root = zipfile.Path(alpharep)
-        a, b, g = root.iterdir()
-        with self.assertRaises(ValueError):
-            a.iterdir()
-
-    @pass_alpharep
-    def test_subdir_is_dir(self, alpharep):
-        root = zipfile.Path(alpharep)
-        assert (root / 'b').is_dir()
-        assert (root / 'b/').is_dir()
-        assert (root / 'g').is_dir()
-        assert (root / 'g/').is_dir()
-
-    @pass_alpharep
-    def test_open(self, alpharep):
-        root = zipfile.Path(alpharep)
-        a, b, g = root.iterdir()
-        with a.open(encoding="utf-8") as strm:
-            data = strm.read()
-        assert data == "content of a"
-
-    def test_open_write(self):
-        """
-        If the zipfile is open for write, it should be possible to
-        write bytes or text to it.
-        """
-        zf = zipfile.Path(zipfile.ZipFile(io.BytesIO(), mode='w'))
-        with zf.joinpath('file.bin').open('wb') as strm:
-            strm.write(b'binary contents')
-        with zf.joinpath('file.txt').open('w', encoding="utf-8") as strm:
-            strm.write('text file')
-
-    def test_open_extant_directory(self):
-        """
-        Attempting to open a directory raises IsADirectoryError.
-        """
-        zf = zipfile.Path(add_dirs(build_alpharep_fixture()))
-        with self.assertRaises(IsADirectoryError):
-            zf.joinpath('b').open()
-
-    @pass_alpharep
-    def test_open_binary_invalid_args(self, alpharep):
-        root = zipfile.Path(alpharep)
-        with self.assertRaises(ValueError):
-            root.joinpath('a.txt').open('rb', encoding='utf-8')
-        with self.assertRaises(ValueError):
-            root.joinpath('a.txt').open('rb', 'utf-8')
-
-    def test_open_missing_directory(self):
-        """
-        Attempting to open a missing directory raises FileNotFoundError.
-        """
-        zf = zipfile.Path(add_dirs(build_alpharep_fixture()))
-        with self.assertRaises(FileNotFoundError):
-            zf.joinpath('z').open()
-
-    @pass_alpharep
-    def test_read(self, alpharep):
-        root = zipfile.Path(alpharep)
-        a, b, g = root.iterdir()
-        assert a.read_text(encoding="utf-8") == "content of a"
-        assert a.read_bytes() == b"content of a"
-
-    @pass_alpharep
-    def test_joinpath(self, alpharep):
-        root = zipfile.Path(alpharep)
-        a = root.joinpath("a.txt")
-        assert a.is_file()
-        e = root.joinpath("b").joinpath("d").joinpath("e.txt")
-        assert e.read_text(encoding="utf-8") == "content of e"
-
-    @pass_alpharep
-    def test_joinpath_multiple(self, alpharep):
-        root = zipfile.Path(alpharep)
-        e = root.joinpath("b", "d", "e.txt")
-        assert e.read_text(encoding="utf-8") == "content of e"
-
-    @pass_alpharep
-    def test_traverse_truediv(self, alpharep):
-        root = zipfile.Path(alpharep)
-        a = root / "a.txt"
-        assert a.is_file()
-        e = root / "b" / "d" / "e.txt"
-        assert e.read_text(encoding="utf-8") == "content of e"
-
-    @pass_alpharep
-    def test_traverse_simplediv(self, alpharep):
-        """
-        Disable the __future__.division when testing traversal.
-        """
-        code = compile(
-            source="zipfile.Path(alpharep) / 'a'",
-            filename="(test)",
-            mode="eval",
-            dont_inherit=True,
-        )
-        eval(code)
-
-    @pass_alpharep
-    def test_pathlike_construction(self, alpharep):
-        """
-        zipfile.Path should be constructable from a path-like object
-        """
-        zipfile_ondisk = self.zipfile_ondisk(alpharep)
-        pathlike = pathlib.Path(str(zipfile_ondisk))
-        zipfile.Path(pathlike)
-
-    @pass_alpharep
-    def test_traverse_pathlike(self, alpharep):
-        root = zipfile.Path(alpharep)
-        root / pathlib.Path("a")
-
-    @pass_alpharep
-    def test_parent(self, alpharep):
-        root = zipfile.Path(alpharep)
-        assert (root / 'a').parent.at == ''
-        assert (root / 'a' / 'b').parent.at == 'a/'
-
-    @pass_alpharep
-    def test_dir_parent(self, alpharep):
-        root = zipfile.Path(alpharep)
-        assert (root / 'b').parent.at == ''
-        assert (root / 'b/').parent.at == ''
-
-    @pass_alpharep
-    def test_missing_dir_parent(self, alpharep):
-        root = zipfile.Path(alpharep)
-        assert (root / 'missing dir/').parent.at == ''
-
-    @pass_alpharep
-    def test_mutability(self, alpharep):
-        """
-        If the underlying zipfile is changed, the Path object should
-        reflect that change.
-        """
-        root = zipfile.Path(alpharep)
-        a, b, g = root.iterdir()
-        alpharep.writestr('foo.txt', 'foo')
-        alpharep.writestr('bar/baz.txt', 'baz')
-        assert any(child.name == 'foo.txt' for child in root.iterdir())
-        assert (root / 'foo.txt').read_text(encoding="utf-8") == 'foo'
-        (baz,) = (root / 'bar').iterdir()
-        assert baz.read_text(encoding="utf-8") == 'baz'
-
-    HUGE_ZIPFILE_NUM_ENTRIES = 2 ** 13
-
-    def huge_zipfile(self):
-        """Create a read-only zipfile with a huge number of entries entries."""
-        strm = io.BytesIO()
-        zf = zipfile.ZipFile(strm, "w")
-        for entry in map(str, range(self.HUGE_ZIPFILE_NUM_ENTRIES)):
-            zf.writestr(entry, entry)
-        zf.mode = 'r'
-        return zf
-
-    def test_joinpath_constant_time(self):
-        """
-        Ensure joinpath on items in zipfile is linear time.
-        """
-        root = zipfile.Path(self.huge_zipfile())
-        entries = jaraco.itertools.Counter(root.iterdir())
-        for entry in entries:
-            entry.joinpath('suffix')
-        # Check the file iterated all items
-        assert entries.count == self.HUGE_ZIPFILE_NUM_ENTRIES
-
-    # @func_timeout.func_set_timeout(3)
-    def test_implied_dirs_performance(self):
-        data = ['/'.join(string.ascii_lowercase + str(n)) for n in range(10000)]
-        zipfile.CompleteDirs._implied_dirs(data)
-
-    @pass_alpharep
-    def test_read_does_not_close(self, alpharep):
-        alpharep = self.zipfile_ondisk(alpharep)
-        with zipfile.ZipFile(alpharep) as file:
-            for rep in range(2):
-                zipfile.Path(file, 'a.txt').read_text(encoding="utf-8")
-
-    @pass_alpharep
-    def test_subclass(self, alpharep):
-        class Subclass(zipfile.Path):
-            pass
-
-        root = Subclass(alpharep)
-        assert isinstance(root / 'b', Subclass)
-
-    @pass_alpharep
-    def test_filename(self, alpharep):
-        root = zipfile.Path(alpharep)
-        assert root.filename == pathlib.Path('alpharep.zip')
-
-    @pass_alpharep
-    def test_root_name(self, alpharep):
-        """
-        The name of the root should be the name of the zipfile
-        """
-        root = zipfile.Path(alpharep)
-        assert root.name == 'alpharep.zip' == root.filename.name
-
-    @pass_alpharep
-    def test_suffix(self, alpharep):
-        """
-        The suffix of the root should be the suffix of the zipfile.
-        The suffix of each nested file is the final component's last suffix, if any.
-        Includes the leading period, just like pathlib.Path.
-        """
-        root = zipfile.Path(alpharep)
-        assert root.suffix == '.zip' == root.filename.suffix
-
-        b = root / "b.txt"
-        assert b.suffix == ".txt"
-
-        c = root / "c" / "filename.tar.gz"
-        assert c.suffix == ".gz"
-
-        d = root / "d"
-        assert d.suffix == ""
-
-    @pass_alpharep
-    def test_suffixes(self, alpharep):
-        """
-        The suffix of the root should be the suffix of the zipfile.
-        The suffix of each nested file is the final component's last suffix, if any.
-        Includes the leading period, just like pathlib.Path.
-        """
-        root = zipfile.Path(alpharep)
-        assert root.suffixes == ['.zip'] == root.filename.suffixes
-
-        b = root / 'b.txt'
-        assert b.suffixes == ['.txt']
-
-        c = root / 'c' / 'filename.tar.gz'
-        assert c.suffixes == ['.tar', '.gz']
-
-        d = root / 'd'
-        assert d.suffixes == []
-
-        e = root / '.hgrc'
-        assert e.suffixes == []
-
-    @pass_alpharep
-    def test_stem(self, alpharep):
-        """
-        The final path component, without its suffix
-        """
-        root = zipfile.Path(alpharep)
-        assert root.stem == 'alpharep' == root.filename.stem
-
-        b = root / "b.txt"
-        assert b.stem == "b"
-
-        c = root / "c" / "filename.tar.gz"
-        assert c.stem == "filename.tar"
-
-        d = root / "d"
-        assert d.stem == "d"
-
-    @pass_alpharep
-    def test_root_parent(self, alpharep):
-        root = zipfile.Path(alpharep)
-        assert root.parent == pathlib.Path('.')
-        root.root.filename = 'foo/bar.zip'
-        assert root.parent == pathlib.Path('foo')
-
-    @pass_alpharep
-    def test_root_unnamed(self, alpharep):
-        """
-        It is an error to attempt to get the name
-        or parent of an unnamed zipfile.
-        """
-        alpharep.filename = None
-        root = zipfile.Path(alpharep)
-        with self.assertRaises(TypeError):
-            root.name
-        with self.assertRaises(TypeError):
-            root.parent
-
-        # .name and .parent should still work on subs
-        sub = root / "b"
-        assert sub.name == "b"
-        assert sub.parent
-
-    @pass_alpharep
-    def test_inheritance(self, alpharep):
-        cls = type('PathChild', (zipfile.Path,), {})
-        for alpharep in self.zipfile_alpharep():
-            file = cls(alpharep).joinpath('some dir').parent
-            assert isinstance(file, cls)
-
-
 class EncodedMetadataTests(unittest.TestCase):
     file_names = ['\u4e00', '\u4e8c', '\u4e09']  # Han 'one', 'two', 'three'
     file_content = [
diff --git a/Lib/test/test_zipfile/test_path.py b/Lib/test/test_zipfile/test_path.py
new file mode 100644
index 0000000..3c62e9a
--- /dev/null
+++ b/Lib/test/test_zipfile/test_path.py
@@ -0,0 +1,423 @@
+import io
+import zipfile
+import contextlib
+import pathlib
+import unittest
+import string
+import functools
+
+from test.support.os_helper import temp_dir
+
+
+# Poor man's technique to consume a (smallish) iterable.
+consume = tuple
+
+
+# from jaraco.itertools 5.0
+class jaraco:
+    class itertools:
+        class Counter:
+            def __init__(self, i):
+                self.count = 0
+                self._orig_iter = iter(i)
+
+            def __iter__(self):
+                return self
+
+            def __next__(self):
+                result = next(self._orig_iter)
+                self.count += 1
+                return result
+
+
+def add_dirs(zf):
+    """
+    Given a writable zip file zf, inject directory entries for
+    any directories implied by the presence of children.
+    """
+    for name in zipfile.CompleteDirs._implied_dirs(zf.namelist()):
+        zf.writestr(name, b"")
+    return zf
+
+
+def build_alpharep_fixture():
+    """
+    Create a zip file with this structure:
+
+    .
+    ├── a.txt
+    ├── b
+    │   ├── c.txt
+    │   ├── d
+    │   │   └── e.txt
+    │   └── f.txt
+    └── g
+        └── h
+            └── i.txt
+
+    This fixture has the following key characteristics:
+
+    - a file at the root (a)
+    - a file two levels deep (b/d/e)
+    - multiple files in a directory (b/c, b/f)
+    - a directory containing only a directory (g/h)
+
+    "alpha" because it uses alphabet
+    "rep" because it's a representative example
+    """
+    data = io.BytesIO()
+    zf = zipfile.ZipFile(data, "w")
+    zf.writestr("a.txt", b"content of a")
+    zf.writestr("b/c.txt", b"content of c")
+    zf.writestr("b/d/e.txt", b"content of e")
+    zf.writestr("b/f.txt", b"content of f")
+    zf.writestr("g/h/i.txt", b"content of i")
+    zf.filename = "alpharep.zip"
+    return zf
+
+
+def pass_alpharep(meth):
+    """
+    Given a method, wrap it in a for loop that invokes method
+    with each subtest.
+    """
+
+    @functools.wraps(meth)
+    def wrapper(self):
+        for alpharep in self.zipfile_alpharep():
+            meth(self, alpharep=alpharep)
+
+    return wrapper
+
+
+class TestPath(unittest.TestCase):
+    def setUp(self):
+        self.fixtures = contextlib.ExitStack()
+        self.addCleanup(self.fixtures.close)
+
+    def zipfile_alpharep(self):
+        with self.subTest():
+            yield build_alpharep_fixture()
+        with self.subTest():
+            yield add_dirs(build_alpharep_fixture())
+
+    def zipfile_ondisk(self, alpharep):
+        tmpdir = pathlib.Path(self.fixtures.enter_context(temp_dir()))
+        buffer = alpharep.fp
+        alpharep.close()
+        path = tmpdir / alpharep.filename
+        with path.open("wb") as strm:
+            strm.write(buffer.getvalue())
+        return path
+
+    @pass_alpharep
+    def test_iterdir_and_types(self, alpharep):
+        root = zipfile.Path(alpharep)
+        assert root.is_dir()
+        a, b, g = root.iterdir()
+        assert a.is_file()
+        assert b.is_dir()
+        assert g.is_dir()
+        c, f, d = b.iterdir()
+        assert c.is_file() and f.is_file()
+        (e,) = d.iterdir()
+        assert e.is_file()
+        (h,) = g.iterdir()
+        (i,) = h.iterdir()
+        assert i.is_file()
+
+    @pass_alpharep
+    def test_is_file_missing(self, alpharep):
+        root = zipfile.Path(alpharep)
+        assert not root.joinpath('missing.txt').is_file()
+
+    @pass_alpharep
+    def test_iterdir_on_file(self, alpharep):
+        root = zipfile.Path(alpharep)
+        a, b, g = root.iterdir()
+        with self.assertRaises(ValueError):
+            a.iterdir()
+
+    @pass_alpharep
+    def test_subdir_is_dir(self, alpharep):
+        root = zipfile.Path(alpharep)
+        assert (root / 'b').is_dir()
+        assert (root / 'b/').is_dir()
+        assert (root / 'g').is_dir()
+        assert (root / 'g/').is_dir()
+
+    @pass_alpharep
+    def test_open(self, alpharep):
+        root = zipfile.Path(alpharep)
+        a, b, g = root.iterdir()
+        with a.open(encoding="utf-8") as strm:
+            data = strm.read()
+        assert data == "content of a"
+
+    def test_open_write(self):
+        """
+        If the zipfile is open for write, it should be possible to
+        write bytes or text to it.
+        """
+        zf = zipfile.Path(zipfile.ZipFile(io.BytesIO(), mode='w'))
+        with zf.joinpath('file.bin').open('wb') as strm:
+            strm.write(b'binary contents')
+        with zf.joinpath('file.txt').open('w', encoding="utf-8") as strm:
+            strm.write('text file')
+
+    def test_open_extant_directory(self):
+        """
+        Attempting to open a directory raises IsADirectoryError.
+        """
+        zf = zipfile.Path(add_dirs(build_alpharep_fixture()))
+        with self.assertRaises(IsADirectoryError):
+            zf.joinpath('b').open()
+
+    @pass_alpharep
+    def test_open_binary_invalid_args(self, alpharep):
+        root = zipfile.Path(alpharep)
+        with self.assertRaises(ValueError):
+            root.joinpath('a.txt').open('rb', encoding='utf-8')
+        with self.assertRaises(ValueError):
+            root.joinpath('a.txt').open('rb', 'utf-8')
+
+    def test_open_missing_directory(self):
+        """
+        Attempting to open a missing directory raises FileNotFoundError.
+        """
+        zf = zipfile.Path(add_dirs(build_alpharep_fixture()))
+        with self.assertRaises(FileNotFoundError):
+            zf.joinpath('z').open()
+
+    @pass_alpharep
+    def test_read(self, alpharep):
+        root = zipfile.Path(alpharep)
+        a, b, g = root.iterdir()
+        assert a.read_text(encoding="utf-8") == "content of a"
+        assert a.read_bytes() == b"content of a"
+
+    @pass_alpharep
+    def test_joinpath(self, alpharep):
+        root = zipfile.Path(alpharep)
+        a = root.joinpath("a.txt")
+        assert a.is_file()
+        e = root.joinpath("b").joinpath("d").joinpath("e.txt")
+        assert e.read_text(encoding="utf-8") == "content of e"
+
+    @pass_alpharep
+    def test_joinpath_multiple(self, alpharep):
+        root = zipfile.Path(alpharep)
+        e = root.joinpath("b", "d", "e.txt")
+        assert e.read_text(encoding="utf-8") == "content of e"
+
+    @pass_alpharep
+    def test_traverse_truediv(self, alpharep):
+        root = zipfile.Path(alpharep)
+        a = root / "a.txt"
+        assert a.is_file()
+        e = root / "b" / "d" / "e.txt"
+        assert e.read_text(encoding="utf-8") == "content of e"
+
+    @pass_alpharep
+    def test_traverse_simplediv(self, alpharep):
+        """
+        Disable the __future__.division when testing traversal.
+        """
+        code = compile(
+            source="zipfile.Path(alpharep) / 'a'",
+            filename="(test)",
+            mode="eval",
+            dont_inherit=True,
+        )
+        eval(code)
+
+    @pass_alpharep
+    def test_pathlike_construction(self, alpharep):
+        """
+        zipfile.Path should be constructable from a path-like object
+        """
+        zipfile_ondisk = self.zipfile_ondisk(alpharep)
+        pathlike = pathlib.Path(str(zipfile_ondisk))
+        zipfile.Path(pathlike)
+
+    @pass_alpharep
+    def test_traverse_pathlike(self, alpharep):
+        root = zipfile.Path(alpharep)
+        root / pathlib.Path("a")
+
+    @pass_alpharep
+    def test_parent(self, alpharep):
+        root = zipfile.Path(alpharep)
+        assert (root / 'a').parent.at == ''
+        assert (root / 'a' / 'b').parent.at == 'a/'
+
+    @pass_alpharep
+    def test_dir_parent(self, alpharep):
+        root = zipfile.Path(alpharep)
+        assert (root / 'b').parent.at == ''
+        assert (root / 'b/').parent.at == ''
+
+    @pass_alpharep
+    def test_missing_dir_parent(self, alpharep):
+        root = zipfile.Path(alpharep)
+        assert (root / 'missing dir/').parent.at == ''
+
+    @pass_alpharep
+    def test_mutability(self, alpharep):
+        """
+        If the underlying zipfile is changed, the Path object should
+        reflect that change.
+        """
+        root = zipfile.Path(alpharep)
+        a, b, g = root.iterdir()
+        alpharep.writestr('foo.txt', 'foo')
+        alpharep.writestr('bar/baz.txt', 'baz')
+        assert any(child.name == 'foo.txt' for child in root.iterdir())
+        assert (root / 'foo.txt').read_text(encoding="utf-8") == 'foo'
+        (baz,) = (root / 'bar').iterdir()
+        assert baz.read_text(encoding="utf-8") == 'baz'
+
+    HUGE_ZIPFILE_NUM_ENTRIES = 2**13
+
+    def huge_zipfile(self):
+        """Create a read-only zipfile with a huge number of entries entries."""
+        strm = io.BytesIO()
+        zf = zipfile.ZipFile(strm, "w")
+        for entry in map(str, range(self.HUGE_ZIPFILE_NUM_ENTRIES)):
+            zf.writestr(entry, entry)
+        zf.mode = 'r'
+        return zf
+
+    def test_joinpath_constant_time(self):
+        """
+        Ensure joinpath on items in zipfile is linear time.
+        """
+        root = zipfile.Path(self.huge_zipfile())
+        entries = jaraco.itertools.Counter(root.iterdir())
+        for entry in entries:
+            entry.joinpath('suffix')
+        # Check the file iterated all items
+        assert entries.count == self.HUGE_ZIPFILE_NUM_ENTRIES
+
+    # @func_timeout.func_set_timeout(3)
+    def test_implied_dirs_performance(self):
+        data = ['/'.join(string.ascii_lowercase + str(n)) for n in range(10000)]
+        zipfile.CompleteDirs._implied_dirs(data)
+
+    @pass_alpharep
+    def test_read_does_not_close(self, alpharep):
+        alpharep = self.zipfile_ondisk(alpharep)
+        with zipfile.ZipFile(alpharep) as file:
+            for rep in range(2):
+                zipfile.Path(file, 'a.txt').read_text(encoding="utf-8")
+
+    @pass_alpharep
+    def test_subclass(self, alpharep):
+        class Subclass(zipfile.Path):
+            pass
+
+        root = Subclass(alpharep)
+        assert isinstance(root / 'b', Subclass)
+
+    @pass_alpharep
+    def test_filename(self, alpharep):
+        root = zipfile.Path(alpharep)
+        assert root.filename == pathlib.Path('alpharep.zip')
+
+    @pass_alpharep
+    def test_root_name(self, alpharep):
+        """
+        The name of the root should be the name of the zipfile
+        """
+        root = zipfile.Path(alpharep)
+        assert root.name == 'alpharep.zip' == root.filename.name
+
+    @pass_alpharep
+    def test_suffix(self, alpharep):
+        """
+        The suffix of the root should be the suffix of the zipfile.
+        The suffix of each nested file is the final component's last suffix, if any.
+        Includes the leading period, just like pathlib.Path.
+        """
+        root = zipfile.Path(alpharep)
+        assert root.suffix == '.zip' == root.filename.suffix
+
+        b = root / "b.txt"
+        assert b.suffix == ".txt"
+
+        c = root / "c" / "filename.tar.gz"
+        assert c.suffix == ".gz"
+
+        d = root / "d"
+        assert d.suffix == ""
+
+    @pass_alpharep
+    def test_suffixes(self, alpharep):
+        """
+        The suffix of the root should be the suffix of the zipfile.
+        The suffix of each nested file is the final component's last suffix, if any.
+        Includes the leading period, just like pathlib.Path.
+        """
+        root = zipfile.Path(alpharep)
+        assert root.suffixes == ['.zip'] == root.filename.suffixes
+
+        b = root / 'b.txt'
+        assert b.suffixes == ['.txt']
+
+        c = root / 'c' / 'filename.tar.gz'
+        assert c.suffixes == ['.tar', '.gz']
+
+        d = root / 'd'
+        assert d.suffixes == []
+
+        e = root / '.hgrc'
+        assert e.suffixes == []
+
+    @pass_alpharep
+    def test_stem(self, alpharep):
+        """
+        The final path component, without its suffix
+        """
+        root = zipfile.Path(alpharep)
+        assert root.stem == 'alpharep' == root.filename.stem
+
+        b = root / "b.txt"
+        assert b.stem == "b"
+
+        c = root / "c" / "filename.tar.gz"
+        assert c.stem == "filename.tar"
+
+        d = root / "d"
+        assert d.stem == "d"
+
+    @pass_alpharep
+    def test_root_parent(self, alpharep):
+        root = zipfile.Path(alpharep)
+        assert root.parent == pathlib.Path('.')
+        root.root.filename = 'foo/bar.zip'
+        assert root.parent == pathlib.Path('foo')
+
+    @pass_alpharep
+    def test_root_unnamed(self, alpharep):
+        """
+        It is an error to attempt to get the name
+        or parent of an unnamed zipfile.
+        """
+        alpharep.filename = None
+        root = zipfile.Path(alpharep)
+        with self.assertRaises(TypeError):
+            root.name
+        with self.assertRaises(TypeError):
+            root.parent
+
+        # .name and .parent should still work on subs
+        sub = root / "b"
+        assert sub.name == "b"
+        assert sub.parent
+
+    @pass_alpharep
+    def test_inheritance(self, alpharep):
+        cls = type('PathChild', (zipfile.Path,), {})
+        for alpharep in self.zipfile_alpharep():
+            file = cls(alpharep).joinpath('some dir').parent
+            assert isinstance(file, cls)
diff --git a/Lib/zipfile.py b/Lib/zipfile/__init__.py
index 77b643c..8f83426 100644
--- a/Lib/zipfile.py
+++ b/Lib/zipfile/__init__.py
@@ -6,17 +6,13 @@ XXX references to utf-8 need further investigation.
 import binascii
 import importlib.util
 import io
-import itertools
 import os
-import posixpath
 import shutil
 import stat
 import struct
 import sys
 import threading
 import time
-import contextlib
-import pathlib
 
 try:
     import zlib # We may need its compression method
@@ -2186,381 +2182,12 @@ class PyZipFile(ZipFile):
         return (fname, archivename)
 
 
-def _parents(path):
-    """
-    Given a path with elements separated by
-    posixpath.sep, generate all parents of that path.
-
-    >>> list(_parents('b/d'))
-    ['b']
-    >>> list(_parents('/b/d/'))
-    ['/b']
-    >>> list(_parents('b/d/f/'))
-    ['b/d', 'b']
-    >>> list(_parents('b'))
-    []
-    >>> list(_parents(''))
-    []
-    """
-    return itertools.islice(_ancestry(path), 1, None)
-
-
-def _ancestry(path):
-    """
-    Given a path with elements separated by
-    posixpath.sep, generate all elements of that path
-
-    >>> list(_ancestry('b/d'))
-    ['b/d', 'b']
-    >>> list(_ancestry('/b/d/'))
-    ['/b/d', '/b']
-    >>> list(_ancestry('b/d/f/'))
-    ['b/d/f', 'b/d', 'b']
-    >>> list(_ancestry('b'))
-    ['b']
-    >>> list(_ancestry(''))
-    []
-    """
-    path = path.rstrip(posixpath.sep)
-    while path and path != posixpath.sep:
-        yield path
-        path, tail = posixpath.split(path)
-
-
-_dedupe = dict.fromkeys
-"""Deduplicate an iterable in original order"""
-
-
-def _difference(minuend, subtrahend):
-    """
-    Return items in minuend not in subtrahend, retaining order
-    with O(1) lookup.
-    """
-    return itertools.filterfalse(set(subtrahend).__contains__, minuend)
-
-
-class CompleteDirs(ZipFile):
-    """
-    A ZipFile subclass that ensures that implied directories
-    are always included in the namelist.
-    """
-
-    @staticmethod
-    def _implied_dirs(names):
-        parents = itertools.chain.from_iterable(map(_parents, names))
-        as_dirs = (p + posixpath.sep for p in parents)
-        return _dedupe(_difference(as_dirs, names))
-
-    def namelist(self):
-        names = super(CompleteDirs, self).namelist()
-        return names + list(self._implied_dirs(names))
-
-    def _name_set(self):
-        return set(self.namelist())
-
-    def resolve_dir(self, name):
-        """
-        If the name represents a directory, return that name
-        as a directory (with the trailing slash).
-        """
-        names = self._name_set()
-        dirname = name + '/'
-        dir_match = name not in names and dirname in names
-        return dirname if dir_match else name
-
-    @classmethod
-    def make(cls, source):
-        """
-        Given a source (filename or zipfile), return an
-        appropriate CompleteDirs subclass.
-        """
-        if isinstance(source, CompleteDirs):
-            return source
-
-        if not isinstance(source, ZipFile):
-            return cls(source)
-
-        # Only allow for FastLookup when supplied zipfile is read-only
-        if 'r' not in source.mode:
-            cls = CompleteDirs
-
-        source.__class__ = cls
-        return source
-
-
-class FastLookup(CompleteDirs):
-    """
-    ZipFile subclass to ensure implicit
-    dirs exist and are resolved rapidly.
-    """
-
-    def namelist(self):
-        with contextlib.suppress(AttributeError):
-            return self.__names
-        self.__names = super(FastLookup, self).namelist()
-        return self.__names
-
-    def _name_set(self):
-        with contextlib.suppress(AttributeError):
-            return self.__lookup
-        self.__lookup = super(FastLookup, self)._name_set()
-        return self.__lookup
-
-
-class Path:
-    """
-    A pathlib-compatible interface for zip files.
-
-    Consider a zip file with this structure::
-
-        .
-        ├── a.txt
-        └── b
-            ├── c.txt
-            └── d
-                └── e.txt
-
-    >>> data = io.BytesIO()
-    >>> zf = ZipFile(data, 'w')
-    >>> zf.writestr('a.txt', 'content of a')
-    >>> zf.writestr('b/c.txt', 'content of c')
-    >>> zf.writestr('b/d/e.txt', 'content of e')
-    >>> zf.filename = 'mem/abcde.zip'
-
-    Path accepts the zipfile object itself or a filename
-
-    >>> root = Path(zf)
-
-    From there, several path operations are available.
-
-    Directory iteration (including the zip file itself):
+from ._path import (  # noqa: E402
+    Path,
 
-    >>> a, b = root.iterdir()
-    >>> a
-    Path('mem/abcde.zip', 'a.txt')
-    >>> b
-    Path('mem/abcde.zip', 'b/')
+    # used privately for tests
+    CompleteDirs,  # noqa: F401
+)
 
-    name property:
-
-    >>> b.name
-    'b'
-
-    join with divide operator:
-
-    >>> c = b / 'c.txt'
-    >>> c
-    Path('mem/abcde.zip', 'b/c.txt')
-    >>> c.name
-    'c.txt'
-
-    Read text:
-
-    >>> c.read_text()
-    'content of c'
-
-    existence:
-
-    >>> c.exists()
-    True
-    >>> (b / 'missing.txt').exists()
-    False
-
-    Coercion to string:
-
-    >>> import os
-    >>> str(c).replace(os.sep, posixpath.sep)
-    'mem/abcde.zip/b/c.txt'
-
-    At the root, ``name``, ``filename``, and ``parent``
-    resolve to the zipfile. Note these attributes are not
-    valid and will raise a ``ValueError`` if the zipfile
-    has no filename.
-
-    >>> root.name
-    'abcde.zip'
-    >>> str(root.filename).replace(os.sep, posixpath.sep)
-    'mem/abcde.zip'
-    >>> str(root.parent)
-    'mem'
-    """
-
-    __repr = "{self.__class__.__name__}({self.root.filename!r}, {self.at!r})"
-
-    def __init__(self, root, at=""):
-        """
-        Construct a Path from a ZipFile or filename.
-
-        Note: When the source is an existing ZipFile object,
-        its type (__class__) will be mutated to a
-        specialized type. If the caller wishes to retain the
-        original type, the caller should either create a
-        separate ZipFile object or pass a filename.
-        """
-        self.root = FastLookup.make(root)
-        self.at = at
-
-    def open(self, mode='r', *args, pwd=None, **kwargs):
-        """
-        Open this entry as text or binary following the semantics
-        of ``pathlib.Path.open()`` by passing arguments through
-        to io.TextIOWrapper().
-        """
-        if self.is_dir():
-            raise IsADirectoryError(self)
-        zip_mode = mode[0]
-        if not self.exists() and zip_mode == 'r':
-            raise FileNotFoundError(self)
-        stream = self.root.open(self.at, zip_mode, pwd=pwd)
-        if 'b' in mode:
-            if args or kwargs:
-                raise ValueError("encoding args invalid for binary operation")
-            return stream
-        else:
-            kwargs["encoding"] = io.text_encoding(kwargs.get("encoding"))
-        return io.TextIOWrapper(stream, *args, **kwargs)
-
-    @property
-    def name(self):
-        return pathlib.Path(self.at).name or self.filename.name
-
-    @property
-    def suffix(self):
-        return pathlib.Path(self.at).suffix or self.filename.suffix
-
-    @property
-    def suffixes(self):
-        return pathlib.Path(self.at).suffixes or self.filename.suffixes
-
-    @property
-    def stem(self):
-        return pathlib.Path(self.at).stem or self.filename.stem
-
-    @property
-    def filename(self):
-        return pathlib.Path(self.root.filename).joinpath(self.at)
-
-    def read_text(self, *args, **kwargs):
-        kwargs["encoding"] = io.text_encoding(kwargs.get("encoding"))
-        with self.open('r', *args, **kwargs) as strm:
-            return strm.read()
-
-    def read_bytes(self):
-        with self.open('rb') as strm:
-            return strm.read()
-
-    def _is_child(self, path):
-        return posixpath.dirname(path.at.rstrip("/")) == self.at.rstrip("/")
-
-    def _next(self, at):
-        return self.__class__(self.root, at)
-
-    def is_dir(self):
-        return not self.at or self.at.endswith("/")
-
-    def is_file(self):
-        return self.exists() and not self.is_dir()
-
-    def exists(self):
-        return self.at in self.root._name_set()
-
-    def iterdir(self):
-        if not self.is_dir():
-            raise ValueError("Can't listdir a file")
-        subs = map(self._next, self.root.namelist())
-        return filter(self._is_child, subs)
-
-    def __str__(self):
-        return posixpath.join(self.root.filename, self.at)
-
-    def __repr__(self):
-        return self.__repr.format(self=self)
-
-    def joinpath(self, *other):
-        next = posixpath.join(self.at, *other)
-        return self._next(self.root.resolve_dir(next))
-
-    __truediv__ = joinpath
-
-    @property
-    def parent(self):
-        if not self.at:
-            return self.filename.parent
-        parent_at = posixpath.dirname(self.at.rstrip('/'))
-        if parent_at:
-            parent_at += '/'
-        return self._next(parent_at)
-
-
-def main(args=None):
-    import argparse
-
-    description = 'A simple command-line interface for zipfile module.'
-    parser = argparse.ArgumentParser(description=description)
-    group = parser.add_mutually_exclusive_group(required=True)
-    group.add_argument('-l', '--list', metavar='<zipfile>',
-                       help='Show listing of a zipfile')
-    group.add_argument('-e', '--extract', nargs=2,
-                       metavar=('<zipfile>', '<output_dir>'),
-                       help='Extract zipfile into target dir')
-    group.add_argument('-c', '--create', nargs='+',
-                       metavar=('<name>', '<file>'),
-                       help='Create zipfile from sources')
-    group.add_argument('-t', '--test', metavar='<zipfile>',
-                       help='Test if a zipfile is valid')
-    parser.add_argument('--metadata-encoding', metavar='<encoding>',
-                        help='Specify encoding of member names for -l, -e and -t')
-    args = parser.parse_args(args)
-
-    encoding = args.metadata_encoding
-
-    if args.test is not None:
-        src = args.test
-        with ZipFile(src, 'r', metadata_encoding=encoding) as zf:
-            badfile = zf.testzip()
-        if badfile:
-            print("The following enclosed file is corrupted: {!r}".format(badfile))
-        print("Done testing")
-
-    elif args.list is not None:
-        src = args.list
-        with ZipFile(src, 'r', metadata_encoding=encoding) as zf:
-            zf.printdir()
-
-    elif args.extract is not None:
-        src, curdir = args.extract
-        with ZipFile(src, 'r', metadata_encoding=encoding) as zf:
-            zf.extractall(curdir)
-
-    elif args.create is not None:
-        if encoding:
-            print("Non-conforming encodings not supported with -c.",
-                  file=sys.stderr)
-            sys.exit(1)
-
-        zip_name = args.create.pop(0)
-        files = args.create
-
-        def addToZip(zf, path, zippath):
-            if os.path.isfile(path):
-                zf.write(path, zippath, ZIP_DEFLATED)
-            elif os.path.isdir(path):
-                if zippath:
-                    zf.write(path, zippath)
-                for nm in sorted(os.listdir(path)):
-                    addToZip(zf,
-                             os.path.join(path, nm), os.path.join(zippath, nm))
-            # else: ignore
-
-        with ZipFile(zip_name, 'w') as zf:
-            for path in files:
-                zippath = os.path.basename(path)
-                if not zippath:
-                    zippath = os.path.basename(os.path.dirname(path))
-                if zippath in ('', os.curdir, os.pardir):
-                    zippath = ''
-                addToZip(zf, path, zippath)
-
-
-if __name__ == "__main__":
-    main()
+# used privately for tests
+from .__main__ import main  # noqa: F401, E402
diff --git a/Lib/zipfile/__main__.py b/Lib/zipfile/__main__.py
new file mode 100644
index 0000000..a9e5fb1
--- /dev/null
+++ b/Lib/zipfile/__main__.py
@@ -0,0 +1,77 @@
+import sys
+import os
+from . import ZipFile, ZIP_DEFLATED
+
+
+def main(args=None):
+    import argparse
+
+    description = 'A simple command-line interface for zipfile module.'
+    parser = argparse.ArgumentParser(description=description)
+    group = parser.add_mutually_exclusive_group(required=True)
+    group.add_argument('-l', '--list', metavar='<zipfile>',
+                       help='Show listing of a zipfile')
+    group.add_argument('-e', '--extract', nargs=2,
+                       metavar=('<zipfile>', '<output_dir>'),
+                       help='Extract zipfile into target dir')
+    group.add_argument('-c', '--create', nargs='+',
+                       metavar=('<name>', '<file>'),
+                       help='Create zipfile from sources')
+    group.add_argument('-t', '--test', metavar='<zipfile>',
+                       help='Test if a zipfile is valid')
+    parser.add_argument('--metadata-encoding', metavar='<encoding>',
+                        help='Specify encoding of member names for -l, -e and -t')
+    args = parser.parse_args(args)
+
+    encoding = args.metadata_encoding
+
+    if args.test is not None:
+        src = args.test
+        with ZipFile(src, 'r', metadata_encoding=encoding) as zf:
+            badfile = zf.testzip()
+        if badfile:
+            print("The following enclosed file is corrupted: {!r}".format(badfile))
+        print("Done testing")
+
+    elif args.list is not None:
+        src = args.list
+        with ZipFile(src, 'r', metadata_encoding=encoding) as zf:
+            zf.printdir()
+
+    elif args.extract is not None:
+        src, curdir = args.extract
+        with ZipFile(src, 'r', metadata_encoding=encoding) as zf:
+            zf.extractall(curdir)
+
+    elif args.create is not None:
+        if encoding:
+            print("Non-conforming encodings not supported with -c.",
+                  file=sys.stderr)
+            sys.exit(1)
+
+        zip_name = args.create.pop(0)
+        files = args.create
+
+        def addToZip(zf, path, zippath):
+            if os.path.isfile(path):
+                zf.write(path, zippath, ZIP_DEFLATED)
+            elif os.path.isdir(path):
+                if zippath:
+                    zf.write(path, zippath)
+                for nm in sorted(os.listdir(path)):
+                    addToZip(zf,
+                             os.path.join(path, nm), os.path.join(zippath, nm))
+            # else: ignore
+
+        with ZipFile(zip_name, 'w') as zf:
+            for path in files:
+                zippath = os.path.basename(path)
+                if not zippath:
+                    zippath = os.path.basename(os.path.dirname(path))
+                if zippath in ('', os.curdir, os.pardir):
+                    zippath = ''
+                addToZip(zf, path, zippath)
+
+
+if __name__ == "__main__":
+    main()
diff --git a/Lib/zipfile/_path.py b/Lib/zipfile/_path.py
new file mode 100644
index 0000000..67ef07a
--- /dev/null
+++ b/Lib/zipfile/_path.py
@@ -0,0 +1,315 @@
+import io
+import posixpath
+import zipfile
+import itertools
+import contextlib
+import pathlib
+
+
+__all__ = ['Path']
+
+
+def _parents(path):
+    """
+    Given a path with elements separated by
+    posixpath.sep, generate all parents of that path.
+
+    >>> list(_parents('b/d'))
+    ['b']
+    >>> list(_parents('/b/d/'))
+    ['/b']
+    >>> list(_parents('b/d/f/'))
+    ['b/d', 'b']
+    >>> list(_parents('b'))
+    []
+    >>> list(_parents(''))
+    []
+    """
+    return itertools.islice(_ancestry(path), 1, None)
+
+
+def _ancestry(path):
+    """
+    Given a path with elements separated by
+    posixpath.sep, generate all elements of that path
+
+    >>> list(_ancestry('b/d'))
+    ['b/d', 'b']
+    >>> list(_ancestry('/b/d/'))
+    ['/b/d', '/b']
+    >>> list(_ancestry('b/d/f/'))
+    ['b/d/f', 'b/d', 'b']
+    >>> list(_ancestry('b'))
+    ['b']
+    >>> list(_ancestry(''))
+    []
+    """
+    path = path.rstrip(posixpath.sep)
+    while path and path != posixpath.sep:
+        yield path
+        path, tail = posixpath.split(path)
+
+
+_dedupe = dict.fromkeys
+"""Deduplicate an iterable in original order"""
+
+
+def _difference(minuend, subtrahend):
+    """
+    Return items in minuend not in subtrahend, retaining order
+    with O(1) lookup.
+    """
+    return itertools.filterfalse(set(subtrahend).__contains__, minuend)
+
+
+class CompleteDirs(zipfile.ZipFile):
+    """
+    A ZipFile subclass that ensures that implied directories
+    are always included in the namelist.
+    """
+
+    @staticmethod
+    def _implied_dirs(names):
+        parents = itertools.chain.from_iterable(map(_parents, names))
+        as_dirs = (p + posixpath.sep for p in parents)
+        return _dedupe(_difference(as_dirs, names))
+
+    def namelist(self):
+        names = super(CompleteDirs, self).namelist()
+        return names + list(self._implied_dirs(names))
+
+    def _name_set(self):
+        return set(self.namelist())
+
+    def resolve_dir(self, name):
+        """
+        If the name represents a directory, return that name
+        as a directory (with the trailing slash).
+        """
+        names = self._name_set()
+        dirname = name + '/'
+        dir_match = name not in names and dirname in names
+        return dirname if dir_match else name
+
+    @classmethod
+    def make(cls, source):
+        """
+        Given a source (filename or zipfile), return an
+        appropriate CompleteDirs subclass.
+        """
+        if isinstance(source, CompleteDirs):
+            return source
+
+        if not isinstance(source, zipfile.ZipFile):
+            return cls(source)
+
+        # Only allow for FastLookup when supplied zipfile is read-only
+        if 'r' not in source.mode:
+            cls = CompleteDirs
+
+        source.__class__ = cls
+        return source
+
+
+class FastLookup(CompleteDirs):
+    """
+    ZipFile subclass to ensure implicit
+    dirs exist and are resolved rapidly.
+    """
+
+    def namelist(self):
+        with contextlib.suppress(AttributeError):
+            return self.__names
+        self.__names = super(FastLookup, self).namelist()
+        return self.__names
+
+    def _name_set(self):
+        with contextlib.suppress(AttributeError):
+            return self.__lookup
+        self.__lookup = super(FastLookup, self)._name_set()
+        return self.__lookup
+
+
+class Path:
+    """
+    A pathlib-compatible interface for zip files.
+
+    Consider a zip file with this structure::
+
+        .
+        ├── a.txt
+        └── b
+            ├── c.txt
+            └── d
+                └── e.txt
+
+    >>> data = io.BytesIO()
+    >>> zf = ZipFile(data, 'w')
+    >>> zf.writestr('a.txt', 'content of a')
+    >>> zf.writestr('b/c.txt', 'content of c')
+    >>> zf.writestr('b/d/e.txt', 'content of e')
+    >>> zf.filename = 'mem/abcde.zip'
+
+    Path accepts the zipfile object itself or a filename
+
+    >>> root = Path(zf)
+
+    From there, several path operations are available.
+
+    Directory iteration (including the zip file itself):
+
+    >>> a, b = root.iterdir()
+    >>> a
+    Path('mem/abcde.zip', 'a.txt')
+    >>> b
+    Path('mem/abcde.zip', 'b/')
+
+    name property:
+
+    >>> b.name
+    'b'
+
+    join with divide operator:
+
+    >>> c = b / 'c.txt'
+    >>> c
+    Path('mem/abcde.zip', 'b/c.txt')
+    >>> c.name
+    'c.txt'
+
+    Read text:
+
+    >>> c.read_text()
+    'content of c'
+
+    existence:
+
+    >>> c.exists()
+    True
+    >>> (b / 'missing.txt').exists()
+    False
+
+    Coercion to string:
+
+    >>> import os
+    >>> str(c).replace(os.sep, posixpath.sep)
+    'mem/abcde.zip/b/c.txt'
+
+    At the root, ``name``, ``filename``, and ``parent``
+    resolve to the zipfile. Note these attributes are not
+    valid and will raise a ``ValueError`` if the zipfile
+    has no filename.
+
+    >>> root.name
+    'abcde.zip'
+    >>> str(root.filename).replace(os.sep, posixpath.sep)
+    'mem/abcde.zip'
+    >>> str(root.parent)
+    'mem'
+    """
+
+    __repr = "{self.__class__.__name__}({self.root.filename!r}, {self.at!r})"
+
+    def __init__(self, root, at=""):
+        """
+        Construct a Path from a ZipFile or filename.
+
+        Note: When the source is an existing ZipFile object,
+        its type (__class__) will be mutated to a
+        specialized type. If the caller wishes to retain the
+        original type, the caller should either create a
+        separate ZipFile object or pass a filename.
+        """
+        self.root = FastLookup.make(root)
+        self.at = at
+
+    def open(self, mode='r', *args, pwd=None, **kwargs):
+        """
+        Open this entry as text or binary following the semantics
+        of ``pathlib.Path.open()`` by passing arguments through
+        to io.TextIOWrapper().
+        """
+        if self.is_dir():
+            raise IsADirectoryError(self)
+        zip_mode = mode[0]
+        if not self.exists() and zip_mode == 'r':
+            raise FileNotFoundError(self)
+        stream = self.root.open(self.at, zip_mode, pwd=pwd)
+        if 'b' in mode:
+            if args or kwargs:
+                raise ValueError("encoding args invalid for binary operation")
+            return stream
+        else:
+            kwargs["encoding"] = io.text_encoding(kwargs.get("encoding"))
+        return io.TextIOWrapper(stream, *args, **kwargs)
+
+    @property
+    def name(self):
+        return pathlib.Path(self.at).name or self.filename.name
+
+    @property
+    def suffix(self):
+        return pathlib.Path(self.at).suffix or self.filename.suffix
+
+    @property
+    def suffixes(self):
+        return pathlib.Path(self.at).suffixes or self.filename.suffixes
+
+    @property
+    def stem(self):
+        return pathlib.Path(self.at).stem or self.filename.stem
+
+    @property
+    def filename(self):
+        return pathlib.Path(self.root.filename).joinpath(self.at)
+
+    def read_text(self, *args, **kwargs):
+        kwargs["encoding"] = io.text_encoding(kwargs.get("encoding"))
+        with self.open('r', *args, **kwargs) as strm:
+            return strm.read()
+
+    def read_bytes(self):
+        with self.open('rb') as strm:
+            return strm.read()
+
+    def _is_child(self, path):
+        return posixpath.dirname(path.at.rstrip("/")) == self.at.rstrip("/")
+
+    def _next(self, at):
+        return self.__class__(self.root, at)
+
+    def is_dir(self):
+        return not self.at or self.at.endswith("/")
+
+    def is_file(self):
+        return self.exists() and not self.is_dir()
+
+    def exists(self):
+        return self.at in self.root._name_set()
+
+    def iterdir(self):
+        if not self.is_dir():
+            raise ValueError("Can't listdir a file")
+        subs = map(self._next, self.root.namelist())
+        return filter(self._is_child, subs)
+
+    def __str__(self):
+        return posixpath.join(self.root.filename, self.at)
+
+    def __repr__(self):
+        return self.__repr.format(self=self)
+
+    def joinpath(self, *other):
+        next = posixpath.join(self.at, *other)
+        return self._next(self.root.resolve_dir(next))
+
+    __truediv__ = joinpath
+
+    @property
+    def parent(self):
+        if not self.at:
+            return self.filename.parent
+        parent_at = posixpath.dirname(self.at.rstrip('/'))
+        if parent_at:
+            parent_at += '/'
+        return self._next(parent_at)
diff --git a/Misc/NEWS.d/next/Library/2022-10-08-15-41-00.gh-issue-98098.DugpWi.rst b/Misc/NEWS.d/next/Library/2022-10-08-15-41-00.gh-issue-98098.DugpWi.rst
new file mode 100644
index 0000000..202275e
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2022-10-08-15-41-00.gh-issue-98098.DugpWi.rst
@@ -0,0 +1,2 @@
+Created packages from zipfile and test_zipfile modules, separating
+``zipfile.Path`` functionality.