GH-127807: pathlib ABCs: remove `PurePathBase._raw_paths` (#127883)

Remove the `PurePathBase` initializer, and make `with_segments()` and
`__str__()` abstract. This allows us to drop the `_raw_paths` attribute,
and also the `Parser.join()` protocol method.

1 files changed, 25 insertions, 0 deletions

diff --git a/Lib/test/test_pathlib/test_pathlib.py b/Lib/test/test_pathlib/test_pathlib.py
index ac3a3b4f15c..ef482c31154 100644
--- a/Lib/test/test_pathlib/test_pathlib.py
+++ b/Lib/test/test_pathlib/test_pathlib.py
@@ -229,6 +229,31 @@ class PurePathTest(test_pathlib_abc.DummyPurePathTest):
         self._check_str(p.__fspath__(), ('a/b',))
         self._check_str(os.fspath(p), ('a/b',))
 
+    def test_bytes(self):
+        P = self.cls
+        with self.assertRaises(TypeError):
+            P(b'a')
+        with self.assertRaises(TypeError):
+            P(b'a', 'b')
+        with self.assertRaises(TypeError):
+            P('a', b'b')
+        with self.assertRaises(TypeError):
+            P('a').joinpath(b'b')
+        with self.assertRaises(TypeError):
+            P('a') / b'b'
+        with self.assertRaises(TypeError):
+            b'a' / P('b')
+        with self.assertRaises(TypeError):
+            P('a').match(b'b')
+        with self.assertRaises(TypeError):
+            P('a').relative_to(b'b')
+        with self.assertRaises(TypeError):
+            P('a').with_name(b'b')
+        with self.assertRaises(TypeError):
+            P('a').with_stem(b'b')
+        with self.assertRaises(TypeError):
+            P('a').with_suffix(b'b')
+
     def test_bytes_exc_message(self):
         P = self.cls
         message = (r"argument should be a str or an os\.PathLike object "