llava : Allow locally downloaded models for QwenVL (ggml-org#10833)

* Allow locally downloaded models for QwenVL

* Define model_path

* rm trailing space

---------

Co-authored-by: Xuan Son Nguyen <[email protected]>

Author: 2 people

examples/llava/qwen2_vl_surgery.py

@@ -88,6 +88,8 @@ def main(args):
     else:
         raise ValueError()
 
+    local_model = False
+    model_path = ""
     model_name = args.model_name
     print("model_name: ", model_name)
     qwen2vl = Qwen2VLForConditionalGeneration.from_pretrained(
@@ -97,8 +99,10 @@ def main(args):
     vcfg = cfg.vision_config
 
     if os.path.isdir(model_name):
+        local_model = True
         if model_name.endswith(os.sep):
             model_name = model_name[:-1]
+        model_path = model_name
         model_name = os.path.basename(model_name)
     fname_out = f"{model_name.replace('/', '-').lower()}-vision.gguf"
 
@@ -139,7 +143,10 @@ def main(args):
             it will be hardcoded in the `clip_image_build_graph` from `clip.cpp`.
     """
 
-    processor: Qwen2VLProcessor = AutoProcessor.from_pretrained(model_name)
+    if local_model:
+        processor: Qwen2VLProcessor = AutoProcessor.from_pretrained(model_path)
+    else:
+        processor: Qwen2VLProcessor = AutoProcessor.from_pretrained(model_name)
     fout.add_array("clip.vision.image_mean", processor.image_processor.image_mean) # type: ignore[reportAttributeAccessIssue]
     fout.add_array("clip.vision.image_std", processor.image_processor.image_std) # type: ignore[reportAttributeAccessIssue]