apply review comments

optimum/commands/export/openvino.py

@@ -106,10 +106,10 @@ def parse_args_openvino(parser: "ArgumentParser"):
         ),
     )
     optional_group.add_argument(
-        "--variant",
+        "--weights-variant",
         type=str,
         default=None,
-        help=("Select a variant of the model to export."),
+        help=("If specified load weights from variant filename."),
     )
     optional_group.add_argument(
         "--ratio",
@@ -452,7 +452,7 @@ def run(self):
                 quantization_config=quantization_config,
                 stateful=not self.args.disable_stateful,
                 trust_remote_code=self.args.trust_remote_code,
-                variant=self.args.variant,
+                variant=self.args.weights_variant,
                 cache_dir=self.args.cache_dir,
             )
             model.save_pretrained(self.args.output)
@@ -475,6 +475,6 @@ def run(self):
                 stateful=not self.args.disable_stateful,
                 convert_tokenizer=not self.args.disable_convert_tokenizer,
                 library_name=library_name,
-                model_variant=self.args.variant,
+                weights_variant=self.args.weights_variant,
                 # **input_shapes,
             )

optimum/exporters/openvino/__main__.py

@@ -122,7 +122,7 @@ def main_export(
     convert_tokenizer: bool = False,
     library_name: Optional[str] = None,
     model_loading_kwargs: Optional[Dict[str, Any]] = None,
-    model_variant: Optional[str] = None,
+    weights_variant: Optional[str] = None,
     **kwargs_shapes,
 ):
     """
@@ -238,8 +238,8 @@ def main_export(
     custom_architecture = False
     patch_16bit = False
     loading_kwargs = model_loading_kwargs or {}
-    if model_variant is not None:
-        loading_kwargs["variant"] = model_variant
+    if weights_variant is not None:
+        loading_kwargs["variant"] = weights_variant
     if library_name == "transformers":
         config = AutoConfig.from_pretrained(
             model_name_or_path,
@@ -350,7 +350,7 @@ class StoreAttr(object):
 
                 GPTQQuantizer.post_init_model = post_init_model
     elif library_name == "diffusers" and is_openvino_version(">=", "2024.6"):
-        _loading_kwargs = {} if model_variant is None else {"variant": model_variant}
+        _loading_kwargs = {} if weights_variant is None else {"variant": weights_variant}
         dtype = deduce_diffusers_dtype(
             model_name_or_path,
             revision=revision,

optimum/intel/openvino/modeling_base.py

@@ -609,7 +609,7 @@ def _from_transformers(
             trust_remote_code=trust_remote_code,
             ov_config=ov_config,
             library_name=cls._library_name,
-            model_variant=variant,
+            weights_variant=variant,
         )
 
         return cls._from_pretrained(

optimum/intel/openvino/modeling_decoder.py

@@ -327,7 +327,7 @@ def _from_transformers(
             stateful=stateful,
             model_loading_kwargs=model_loading_kwargs,
             library_name=cls._library_name,
-            model_variant=variant,
+            weughts_variant=variant,
         )
 
         if config.model_type == "phi3" and config.max_position_embeddings != getattr(

optimum/intel/openvino/modeling_diffusion.py

@@ -590,7 +590,7 @@ def _from_transformers(
             force_download=force_download,
             ov_config=ov_config,
             library_name=cls._library_name,
-            model_variant=variant,
+            weights_variant=variant,
         )
 
         return cls._from_pretrained(
@@ -767,7 +767,7 @@ def _reshape_text_encoder(
         self, model: openvino.runtime.Model, batch_size: int = -1, tokenizer_max_length: int = -1
     ):
         if batch_size != -1:
-            shapes = {model.inputs[0]: [batch_size, tokenizer_max_length]}
+            shapes = {input_tensor: [batch_size, tokenizer_max_length] for input_tensor in model.inputs}
             model.reshape(shapes)
         return model
 
@@ -824,9 +824,9 @@ def reshape(
                 tokenizer_max_len = -1
             else:
                 tokenizer_max_len = (
-                    self.tokenizer.model_max_length
+                    getattr(self.tokenizer, "model_max_length", -1)
                     if self.tokenizer is not None
-                    else self.tokenizer_2.model_max_length
+                    else getattr(self.tokenizer_2, "model_max_length", -1)
                 )
 
         if self.unet is not None:
@@ -848,21 +848,19 @@ def reshape(
             self.text_encoder.model = self._reshape_text_encoder(
                 self.text_encoder.model,
                 batch_size,
-                self.tokenizer.model_max_length if "Gemma" not in self.tokenizer.__class__.__name__ else -1,
+                getattr(self.tokenizer, "model_max_length", -1)
+                if "Gemma" not in self.tokenizer.__class__.__name__
+                else -1,
             )
 
         if self.text_encoder_2 is not None:
             self.text_encoder_2.model = self._reshape_text_encoder(
-                self.text_encoder_2.model,
-                batch_size,
-                self.tokenizer_2.model_max_length if "Gemma" not in self.tokenizer.__class__.__name__ else -1,
+                self.text_encoder_2.model, batch_size, getattr(self.tokenizer_2, "model_max_length", -1)
             )
 
         if self.text_encoder_3 is not None:
             self.text_encoder_3.model = self._reshape_text_encoder(
-                self.text_encoder_3.model,
-                batch_size,
-                self.tokenizer_3.model_max_length if "Gemma" not in self.tokenizer.__class__.__name__ else -1,
+                self.text_encoder_3.model, batch_size, getattr(self.tokenizer_3, "model_max_length", -1)
             )
 
         self.clear_requests()
@@ -1068,9 +1066,7 @@ def forward(
         model_inputs = {"input_ids": input_ids}
 
         if "attention_mask" in self.input_names:
-            model_inputs["attention_mask"] = (
-                attention_mask if attention_mask is not None else torch.ones(input_ids.shape, dtype=torch.long)
-            )
+            model_inputs["attention_mask"] = attention_mask
 
         ov_outputs = self.request(model_inputs, share_inputs=True)
         main_out = ov_outputs[0]

optimum/intel/openvino/modeling_visual_language.py

@@ -630,7 +630,7 @@ def _from_transformers(
             trust_remote_code=trust_remote_code,
             ov_config=ov_config,
             stateful=stateful,
-            model_variant=variant,
+            weights_variant=variant,
         )
         config = AutoConfig.from_pretrained(save_dir_path, trust_remote_code=trust_remote_code)
         return cls._from_pretrained(

tests/openvino/test_diffusion.py

@@ -78,7 +78,7 @@ class OVPipelineForText2ImageTest(unittest.TestCase):
     NEGATIVE_PROMPT_SUPPORT_ARCHITECTURES = ["stable-diffusion", "stable-diffusion-xl", "latent-consistency"]
     if is_transformers_version(">=", "4.40.0"):
         SUPPORTED_ARCHITECTURES.extend(["stable-diffusion-3", "flux", "sana"])
-        NEGATIVE_PROMPT_SUPPORT_ARCHITECTURES.append(["stable-diffusion-3"])
+        NEGATIVE_PROMPT_SUPPORT_ARCHITECTURES.extend(["stable-diffusion-3"])
     CALLBACK_SUPPORT_ARCHITECTURES = ["stable-diffusion", "stable-diffusion-xl", "latent-consistency"]
 
     OVMODEL_CLASS = OVPipelineForText2Image
@@ -94,13 +94,6 @@ def generate_inputs(self, height=128, width=128, batch_size=1):
 
         return inputs
 
-    def get_auto_cls(self, model_arch):
-        if model_arch == "sana":
-            from diffusers import SanaPipeline
-
-            return SanaPipeline
-        return self.AUTOMODEL_CLASS
-
     @require_diffusers
     def test_load_vanilla_model_which_is_not_supported(self):
         with self.assertRaises(Exception) as context:
@@ -111,8 +104,7 @@ def test_load_vanilla_model_which_is_not_supported(self):
     @parameterized.expand(SUPPORTED_ARCHITECTURES)
     @require_diffusers
     def test_ov_pipeline_class_dispatch(self, model_arch: str):
-        auto_cls = self.get_auto_cls(model_arch)
-        auto_pipeline = DiffusionPipeline if model_arch != "sana" else auto_cls
+        auto_pipeline = DiffusionPipeline
         auto_pipeline = auto_cls.from_pretrained(MODEL_NAMES[model_arch])
         ov_pipeline = self.OVMODEL_CLASS.from_pretrained(MODEL_NAMES[model_arch])
 
@@ -141,21 +133,19 @@ def test_num_images_per_prompt(self, model_arch: str):
     def test_compare_to_diffusers_pipeline(self, model_arch: str):
         height, width, batch_size = 64, 64, 1
         inputs = self.generate_inputs(height=height, width=width, batch_size=batch_size)
-        auto_cls = self.get_auto_cls(model_arch)
         ov_pipeline = self.OVMODEL_CLASS.from_pretrained(MODEL_NAMES[model_arch])
-        diffusers_pipeline = auto_cls.from_pretrained(MODEL_NAMES[model_arch])
+        diffusers_pipeline = DiffusionPipeline.from_pretrained(MODEL_NAMES[model_arch])
 
-        with torch.no_grad():
-            for output_type in ["latent", "np", "pt"]:
-                inputs["output_type"] = output_type
-                if model_arch == "sana":
-                    # resolution binning will lead to resize output to standard resolution and back that can interpolate floating-point deviations
-                    inputs["use_resolution_binning"] = False
-                atol = 1e-4
+        for output_type in ["latent", "np", "pt"]:
+            inputs["output_type"] = output_type
+            if model_arch == "sana":
+                # resolution binning will lead to resize output to standard resolution and back that can interpolate floating-point deviations
+                inputs["use_resolution_binning"] = False
+            atol = 1e-4
 
-                ov_output = ov_pipeline(**inputs, generator=get_generator("pt", SEED)).images
-                diffusers_output = diffusers_pipeline(**inputs, generator=get_generator("pt", SEED)).images
-                np.testing.assert_allclose(ov_output, diffusers_output, atol=atol, rtol=1e-2)
+            ov_output = ov_pipeline(**inputs, generator=get_generator("pt", SEED)).images
+            diffusers_output = diffusers_pipeline(**inputs, generator=get_generator("pt", SEED)).images
+            np.testing.assert_allclose(ov_output, diffusers_output, atol=atol, rtol=1e-2)
 
         # test on inputs nondivisible on 64
         height, width, batch_size = 96, 96, 1
@@ -191,8 +181,7 @@ def __call__(self, *args, **kwargs) -> None:
         auto_callback = Callback()
 
         ov_pipe = self.OVMODEL_CLASS.from_pretrained(MODEL_NAMES[model_arch])
-        auto_cls = self.get_auto_cls(model_arch)
-        auto_pipe = auto_cls.from_pretrained(MODEL_NAMES[model_arch])
+        auto_pipe = DiffusionPipeline.from_pretrained(MODEL_NAMES[model_arch])
 
         # callback_steps=1 to trigger callback every step
         ov_pipe(**inputs, callback=ov_callback, callback_steps=1)