Revert "Do not export Qwen for release (#2198)"

This reverts commit 23ac977.

Author: sachinprasadhs

keras_hub/api/models/__init__.py

@@ -276,6 +276,24 @@
 )
 from keras_hub.src.models.phi3.phi3_tokenizer import Phi3Tokenizer
 from keras_hub.src.models.preprocessor import Preprocessor
+from keras_hub.src.models.qwen.qwen_backbone import QwenBackbone
+from keras_hub.src.models.qwen.qwen_backbone import (
+    QwenBackbone as Qwen2Backbone,
+)
+from keras_hub.src.models.qwen.qwen_causal_lm import QwenCausalLM
+from keras_hub.src.models.qwen.qwen_causal_lm import (
+    QwenCausalLM as Qwen2CausalLM,
+)
+from keras_hub.src.models.qwen.qwen_causal_lm_preprocessor import (
+    QwenCausalLMPreprocessor,
+)
+from keras_hub.src.models.qwen.qwen_causal_lm_preprocessor import (
+    QwenCausalLMPreprocessor as Qwen2CausalLMPreprocessor,
+)
+from keras_hub.src.models.qwen.qwen_tokenizer import QwenTokenizer
+from keras_hub.src.models.qwen.qwen_tokenizer import (
+    QwenTokenizer as Qwen2Tokenizer,
+)
 from keras_hub.src.models.resnet.resnet_backbone import ResNetBackbone
 from keras_hub.src.models.resnet.resnet_image_classifier import (
     ResNetImageClassifier,

keras_hub/api/tokenizers/__init__.py

@@ -30,6 +30,10 @@
     PaliGemmaTokenizer,
 )
 from keras_hub.src.models.phi3.phi3_tokenizer import Phi3Tokenizer
+from keras_hub.src.models.qwen.qwen_tokenizer import QwenTokenizer
+from keras_hub.src.models.qwen.qwen_tokenizer import (
+    QwenTokenizer as Qwen2Tokenizer,
+)
 from keras_hub.src.models.roberta.roberta_tokenizer import RobertaTokenizer
 from keras_hub.src.models.roformer_v2.roformer_v2_tokenizer import (
     RoformerV2Tokenizer,

keras_hub/src/models/qwen/qwen_backbone.py

@@ -1,6 +1,7 @@
 import keras
 from keras import ops
 
+from keras_hub.src.api_export import keras_hub_export
 from keras_hub.src.layers.modeling.reversible_embedding import (
     ReversibleEmbedding,
 )
@@ -13,6 +14,12 @@ def _qwen_kernel_initializer(stddev=0.02):
     return keras.initializers.RandomNormal(stddev=stddev)
 
 
+@keras_hub_export(
+    [
+        "keras_hub.models.QwenBackbone",
+        "keras_hub.models.Qwen2Backbone",
+    ]
+)
 class QwenBackbone(Backbone):
     """
     The Qwen Transformer core architecture with hyperparameters.

keras_hub/src/models/qwen/qwen_causal_lm.py

@@ -1,6 +1,7 @@
 import keras
 from keras import ops
 
+from keras_hub.src.api_export import keras_hub_export
 from keras_hub.src.models.causal_lm import CausalLM
 from keras_hub.src.models.qwen.qwen_backbone import QwenBackbone
 from keras_hub.src.models.qwen.qwen_causal_lm_preprocessor import (
@@ -9,6 +10,12 @@
 from keras_hub.src.utils.tensor_utils import any_equal
 
 
+@keras_hub_export(
+    [
+        "keras_hub.models.QwenCausalLM",
+        "keras_hub.models.Qwen2CausalLM",
+    ]
+)
 class QwenCausalLM(CausalLM):
     backbone_cls = QwenBackbone
     preprocessor_cls = QwenCausalLMPreprocessor

keras_hub/src/models/qwen/qwen_causal_lm_preprocessor.py

@@ -1,8 +1,15 @@
+from keras_hub.src.api_export import keras_hub_export
 from keras_hub.src.models.causal_lm_preprocessor import CausalLMPreprocessor
 from keras_hub.src.models.qwen.qwen_backbone import QwenBackbone
 from keras_hub.src.models.qwen.qwen_tokenizer import QwenTokenizer
 
 
+@keras_hub_export(
+    [
+        "keras_hub.models.QwenCausalLMPreprocessor",
+        "keras_hub.models.Qwen2CausalLMPreprocessor",
+    ]
+)
 class QwenCausalLMPreprocessor(CausalLMPreprocessor):
     backbone_cls = QwenBackbone
     tokenizer_cls = QwenTokenizer

keras_hub/src/models/qwen/qwen_tokenizer.py

@@ -1,7 +1,16 @@
+from keras_hub.src.api_export import keras_hub_export
 from keras_hub.src.models.qwen.qwen_backbone import QwenBackbone
 from keras_hub.src.tokenizers.byte_pair_tokenizer import BytePairTokenizer
 
 
+@keras_hub_export(
+    [
+        "keras_hub.tokenizers.QwenTokenizer",
+        "keras_hub.tokenizers.Qwen2Tokenizer",
+        "keras_hub.models.QwenTokenizer",
+        "keras_hub.models.Qwen2Tokenizer",
+    ]
+)
 class QwenTokenizer(BytePairTokenizer):
     """Tokenizer for Qwen models.