Add deprecation warning when image FE instantiated (#20427)

* Add deprecation warning when image FE instantiated

* Update src/transformers/models/beit/feature_extraction_beit.py
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

* Update v2.7 -> v5 and add for new IPs

* Add message to Chinese CLIP
Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>

src/transformers/models/owlvit/feature_extraction_owlvit.py

@@ -14,6 +14,8 @@
 # limitations under the License.
 """Feature extractor class for OwlViT."""
 
+import warnings
+
 from ...utils import logging
 from .image_processing_owlvit import OwlViTImageProcessor
 
@@ -21,4 +23,11 @@ from .image_processing_owlvit import OwlViTImageProcessor
 logger = logging.get_logger(__name__)
 
 
-OwlViTFeatureExtractor = OwlViTImageProcessor
+class OwlViTFeatureExtractor(OwlViTImageProcessor):
+    def __init__(self, *args, **kwargs) -> None:
+        warnings.warn(
+            "The class OwlViTFeatureExtractor is deprecated and will be removed in version 5 of Transformers. Please"
+            " use OwlViTImageProcessor instead.",
+            FutureWarning,
+        )
+        super().__init__(*args, **kwargs)

src/transformers/models/perceiver/feature_extraction_perceiver.py

@@ -14,6 +14,8 @@
 # limitations under the License.
 """Feature extractor class for Perceiver."""
 
+import warnings
+
 from ...utils import logging
 from .image_processing_perceiver import PerceiverImageProcessor
 
@@ -21,4 +23,11 @@ from .image_processing_perceiver import PerceiverImageProcessor
 logger = logging.get_logger(__name__)
 
 
-PerceiverFeatureExtractor = PerceiverImageProcessor
+class PerceiverFeatureExtractor(PerceiverImageProcessor):
+    def __init__(self, *args, **kwargs) -> None:
+        warnings.warn(
+            "The class PerceiverFeatureExtractor is deprecated and will be removed in version 5 of Transformers."
+            " Please use PerceiverImageProcessor instead.",
+            FutureWarning,
+        )
+        super().__init__(*args, **kwargs)

src/transformers/models/poolformer/feature_extraction_poolformer.py

@@ -14,6 +14,8 @@
 # limitations under the License.
 """Feature extractor class for PoolFormer."""
 
+import warnings
+
 from ...utils import logging
 from .image_processing_poolformer import PoolFormerImageProcessor
 
@@ -21,4 +23,11 @@ from .image_processing_poolformer import PoolFormerImageProcessor
 logger = logging.get_logger(__name__)
 
 
-PoolFormerFeatureExtractor = PoolFormerImageProcessor
+class PoolFormerFeatureExtractor(PoolFormerImageProcessor):
+    def __init__(self, *args, **kwargs) -> None:
+        warnings.warn(
+            "The class PoolFormerFeatureExtractor is deprecated and will be removed in version 5 of Transformers."
+            " Please use PoolFormerImageProcessor instead.",
+            FutureWarning,
+        )
+        super().__init__(*args, **kwargs)

src/transformers/models/segformer/feature_extraction_segformer.py

@@ -14,6 +14,8 @@
 # limitations under the License.
 """Feature extractor class for SegFormer."""
 
+import warnings
+
 from ...utils import logging
 from .image_processing_segformer import SegformerImageProcessor
 
@@ -21,4 +23,11 @@ from .image_processing_segformer import SegformerImageProcessor
 logger = logging.get_logger(__name__)
 
 
-SegformerFeatureExtractor = SegformerImageProcessor
+class SegformerFeatureExtractor(SegformerImageProcessor):
+    def __init__(self, *args, **kwargs) -> None:
+        warnings.warn(
+            "The class SegformerFeatureExtractor is deprecated and will be removed in version 5 of Transformers."
+            " Please use SegformerImageProcessor instead.",
+            FutureWarning,
+        )
+        super().__init__(*args, **kwargs)

src/transformers/models/videomae/feature_extraction_videomae.py

@@ -14,6 +14,8 @@
 # limitations under the License.
 """Feature extractor class for VideoMAE."""
 
+import warnings
+
 from ...utils import logging
 from .image_processing_videomae import VideoMAEImageProcessor
 
@@ -21,4 +23,11 @@ from .image_processing_videomae import VideoMAEImageProcessor
 logger = logging.get_logger(__name__)
 
 
-VideoMAEFeatureExtractor = VideoMAEImageProcessor
+class VideoMAEFeatureExtractor(VideoMAEImageProcessor):
+    def __init__(self, *args, **kwargs) -> None:
+        warnings.warn(
+            "The class VideoMAEFeatureExtractor is deprecated and will be removed in version 5 of Transformers."
+            " Please use VideoMAEImageProcessor instead.",
+            FutureWarning,
+        )
+        super().__init__(*args, **kwargs)

src/transformers/models/vilt/feature_extraction_vilt.py

@@ -14,6 +14,8 @@
 # limitations under the License.
 """Feature extractor class for ViLT."""
 
+import warnings
+
 from ...utils import logging
 from .image_processing_vilt import ViltImageProcessor
 
@@ -21,4 +23,11 @@ from .image_processing_vilt import ViltImageProcessor
 logger = logging.get_logger(__name__)
 
 
-ViltFeatureExtractor = ViltImageProcessor
+class ViltFeatureExtractor(ViltImageProcessor):
+    def __init__(self, *args, **kwargs) -> None:
+        warnings.warn(
+            "The class ViltFeatureExtractor is deprecated and will be removed in version 5 of Transformers. Please"
+            " use ViltImageProcessor instead.",
+            FutureWarning,
+        )
+        super().__init__(*args, **kwargs)

src/transformers/models/vit/feature_extraction_vit.py

@@ -14,6 +14,8 @@
 # limitations under the License.
 """Feature extractor class for ViT."""
 
+import warnings
+
 from ...utils import logging
 from .image_processing_vit import ViTImageProcessor
 
@@ -21,5 +23,11 @@ from .image_processing_vit import ViTImageProcessor
 logger = logging.get_logger(__name__)
 
 
-# Feature extractor for ViT is being replaced by image processor
-ViTFeatureExtractor = ViTImageProcessor
+class ViTFeatureExtractor(ViTImageProcessor):
+    def __init__(self, *args, **kwargs) -> None:
+        warnings.warn(
+            "The class ViTFeatureExtractor is deprecated and will be removed in version 5 of Transformers. Please"
+            " use ViTImageProcessor instead.",
+            FutureWarning,
+        )
+        super().__init__(*args, **kwargs)

src/transformers/models/yolos/feature_extraction_yolos.py

@@ -14,6 +14,8 @@
 # limitations under the License.
 """Feature extractor class for YOLOS."""
 
+import warnings
+
 from ...utils import logging
 from .image_processing_yolos import YolosImageProcessor
 
@@ -21,4 +23,11 @@ from .image_processing_yolos import YolosImageProcessor
 logger = logging.get_logger(__name__)
 
 
-YolosFeatureExtractor = YolosImageProcessor
+class YolosFeatureExtractor(YolosImageProcessor):
+    def __init__(self, *args, **kwargs) -> None:
+        warnings.warn(
+            "The class YolosFeatureExtractor is deprecated and will be removed in version 5 of Transformers. Please"
+            " use YolosImageProcessor instead.",
+            FutureWarning,
+        )
+        super().__init__(*args, **kwargs)