fix deprecation warning for datapipes (#324)

Summary:
Sister PR to pytorch/pytorch#74685. Fixes #322. CI will fail until the change is merged upstream.

Pull Request resolved: #324

Reviewed By: ejguan

Differential Revision: D35549848

Pulled By: NivekT

fbshipit-source-id: 143f0fd9e656bd93ea540c985105b8c0d014c50f

Author: pmeier

torchdata/datapipes/iter/util/tararchiveloader.py

@@ -85,5 +85,12 @@ class TarArchiveReaderIterDataPipe(IterDataPipe[Tuple[str, BufferedIOBase]]):
     """
 
     def __new__(cls, datapipe: Iterable[Tuple[str, BufferedIOBase]], mode: str = "r:*", length: int = -1):
-        deprecation_warning(type(cls).__name__, new_name="TarArchiveLoader")
+        deprecation_warning(
+            cls.__name__,
+            deprecation_version="0.4",
+            removal_version="0.6",
+            old_functional_name="read_from_tar",
+            new_class_name="TarArchiveLoader",
+            new_functional_name="load_from_tar",
+        )
         return TarArchiveLoaderIterDataPipe(datapipe, mode, length)

torchdata/datapipes/iter/util/xzfileloader.py

@@ -74,5 +74,12 @@ class XzFileReaderIterDataPipe(IterDataPipe[Tuple[str, BufferedIOBase]]):
     """
 
     def __new__(cls, datapipe: Iterable[Tuple[str, BufferedIOBase]], length: int = -1):
-        deprecation_warning(type(cls).__name__, new_name="XzFileLoader")
+        deprecation_warning(
+            cls.__name__,
+            deprecation_version="0.4",
+            removal_version="0.6",
+            old_functional_name="read_from_xz",
+            new_class_name="XzFileLoader",
+            new_functional_name="load_from_xz",
+        )
         return XzFileLoaderIterDataPipe(datapipe, length)

torchdata/datapipes/iter/util/ziparchiveloader.py

@@ -86,5 +86,12 @@ class ZipArchiveReaderIterDataPipe(IterDataPipe[Tuple[str, BufferedIOBase]]):
     """
 
     def __new__(cls, datapipe: Iterable[Tuple[str, BufferedIOBase]], length: int = -1):
-        deprecation_warning(type(cls).__name__, new_name="ZipArchiveLoader")
+        deprecation_warning(
+            cls.__name__,
+            deprecation_version="0.4",
+            removal_version="0.6",
+            old_functional_name="read_from_zip",
+            new_class_name="ZipArchiveLoader",
+            new_functional_name="load_from_zip",
+        )
         return ZipArchiveLoaderIterDataPipe(datapipe, length)