upath.implementations.tar: fix error handling for write methods

upath/implementations/tar.py

@@ -6,6 +6,7 @@
 from typing import TYPE_CHECKING
 
 from upath._stat import UPathStatResult
+from upath.core import UnsupportedOperation
 from upath.core import UPath
 from upath.types import JoinablePathLike
 from upath.types import StatResultType
@@ -41,6 +42,32 @@ def __init__(
             **storage_options: Unpack[TarStorageOptions],
         ) -> None: ...
 
+    def touch(self, mode: int = 0o666, exist_ok: bool = True) -> None:
+        raise UnsupportedOperation
+
+    def mkdir(
+        self,
+        mode: int = 0o777,
+        parents: bool = False,
+        exist_ok: bool = False,
+    ) -> None:
+        raise UnsupportedOperation
+
+    def unlink(self, missing_ok: bool = False) -> None:
+        raise UnsupportedOperation
+
+    def write_bytes(self, data: bytes) -> int:
+        raise UnsupportedOperation("DataPath does not support writing")
+
+    def write_text(
+        self,
+        data: str,
+        encoding: str | None = None,
+        errors: str | None = None,
+        newline: str | None = None,
+    ) -> int:
+        raise UnsupportedOperation("DataPath does not support writing")
+
     def stat(
         self,
         *,