fix huggingface download with tokens (#116)

py/download.py

@@ -103,6 +103,8 @@ def get_task_content(task_id: str):
     if not os.path.isfile(task_file):
         raise RuntimeError(f"Task {task_id} not found")
     task_content = utils.load_dict_pickle_file(task_file)
+    if isinstance(task_content, TaskContent):
+        return task_content
     return TaskContent(**task_content)
 
 
@@ -178,17 +180,18 @@ async def create_model_download_task(task_data: dict, request):
     task_path = utils.join_path(download_path, f"{task_id}.task")
     if os.path.exists(task_path):
         raise RuntimeError(f"Task {task_id} already exists")
+    download_platform = task_data.get("downloadPlatform", None)
 
     try:
-        previewFile = task_data.pop("previewFile", None)
-        utils.save_model_preview_image(task_path, previewFile)
+        preview_file = task_data.pop("previewFile", None)
+        utils.save_model_preview_image(task_path, preview_file, download_platform)
         set_task_content(task_id, task_data)
         task_status = TaskStatus(
             taskId=task_id,
             type=model_type,
             fullname=fullname,
             preview=utils.get_model_preview_name(task_path),
-            platform=task_data.get("downloadPlatform", None),
+            platform=download_platform,
             totalSize=float(task_data.get("sizeBytes", 0)),
         )
         download_model_task_status[task_id] = task_status

py/information.py

@@ -225,7 +225,7 @@ class HuggingfaceModelSearcher(ModelSearcher):
                 "pathIndex": 0,
                 "description": "\n".join(description_parts),
                 "metadata": {},
-                "downloadPlatform": "",
+                "downloadPlatform": "huggingface",
                 "downloadUrl": f"https://huggingface.co/{model_id}/resolve/main/{filename}?download=true",
             }
             models.append(model)

py/utils.py

@@ -277,10 +277,9 @@ def remove_model_preview_image(model_path: str):
         os.remove(preview_path)
 
 
-def save_model_preview_image(model_path: str, image_file_or_url: Any):
+def save_model_preview_image(model_path: str, image_file_or_url: Any, platform: str | None = None):
     basename = os.path.splitext(model_path)[0]
     preview_path = f"{basename}.webp"
-
     # Download image file if it is url
     if type(image_file_or_url) is str:
         image_url = image_file_or_url
@@ -304,8 +303,11 @@ def save_model_preview_image(model_path: str, image_file_or_url: Any):
 
         content_type: str = image_file.content_type
         if not content_type.startswith("image/"):
-            raise RuntimeError(f"FileTypeError: expected image, got {content_type}")
-
+            if platform == "huggingface":
+                # huggingface previewFile content_type='text/plain',  not startswith("image/")
+                return
+            else:
+                raise RuntimeError(f"FileTypeError: expected image, got {content_type}")
         image = Image.open(image_file.file)
         image.save(preview_path, "WEBP")