Actually build_hf_headers, hf_raise_for_status are already exposed

Co-authored-by: Lucain <Wauplin@users.noreply.huggingface.co>

app.py

@@ -1,8 +1,7 @@
 import gradio as gr
-from huggingface_hub import whoami
 import requests
-from requests import HTTPError, JSONDecodeError
-
+from huggingface_hub import whoami
+from huggingface_hub.utils import build_hf_headers, hf_raise_for_status
 
 ENDPOINT = "https://huggingface.co"
 # ENDPOINT = "http://localhost:5564"
@@ -19,27 +18,10 @@ def duplicate(source_repo, dst_repo, token, repo_type):
 
         r = requests.post(
             f"{ENDPOINT}/api/{repo_type}s/{source_repo}/duplicate",
-            headers={"authorization": f"Bearer {token}"},
-            json={
-                "repository": dst_repo,
-            },
+            headers=build_hf_headers(token=token),
+            json={"repository": dst_repo},
         )
-
-        ## Following lines:
-        ## TODO(wauplin)
-        ## Expose `hf_raise_for_status` from huggingface_hub
-        ## or even provide a helper to do any API request to hf.co passing just the path and json payload?
-        try:
-            r.raise_for_status()
-        except HTTPError as e:
-            try:
-                server_data = r.json()
-            except JSONDecodeError:
-                server_data = {}
-            server_message_from_body = server_data.get("error")
-            if server_message_from_body:
-                raise ValueError(server_message_from_body)
-            raise e
+        hf_raise_for_status(r)
 
         repo_url = r.json().get("url")