Reset login to minimal HF OAuth button

app.py

@@ -8,7 +8,6 @@ import sys
 import tempfile
 import time
 import urllib.request
-from collections.abc import Mapping
 from datetime import datetime
 from pathlib import Path
 from typing import List, Optional, Tuple
@@ -110,94 +109,6 @@ def get_hf_token() -> Optional[str]:
     )
 
 
-def get_request_username(request: Optional[gr.Request]) -> Optional[str]:
-    if request is None:
-        return None
-    session = None
-    try:
-        session = getattr(request, "session", None)
-    except Exception:
-        session = None
-    if session is None:
-        try:
-            session = getattr(getattr(request, "request", None), "session", None)
-        except Exception:
-            session = None
-    if session and hasattr(session, "get"):
-        try:
-            oauth_info = session.get("oauth_info")
-        except Exception:
-            oauth_info = None
-        if isinstance(oauth_info, str):
-            try:
-                oauth_info = json.loads(oauth_info)
-            except Exception:
-                oauth_info = None
-        if isinstance(oauth_info, Mapping):
-            userinfo = oauth_info.get("userinfo") or {}
-            if isinstance(userinfo, str):
-                try:
-                    userinfo = json.loads(userinfo)
-                except Exception:
-                    userinfo = {}
-            if isinstance(userinfo, Mapping):
-                username = (
-                    userinfo.get("preferred_username")
-                    or userinfo.get("name")
-                    or userinfo.get("nickname")
-                )
-                if username:
-                    return str(username)
-    try:
-        username = getattr(request, "username", None)
-    except Exception:
-        username = None
-    if username:
-        return username
-    headers = None
-    try:
-        headers = getattr(request, "headers", None)
-    except Exception:
-        headers = None
-    if headers:
-        for key in (
-            "x-hf-username",
-            "x-forwarded-user",
-            "x-user",
-            "x-username",
-            "x-hf-user",
-        ):
-            value = headers.get(key)
-            if value:
-                return value
-    return None
-
-
-def require_login(request: Optional[gr.Request], action: str) -> Optional[str]:
-    if not os.getenv("SPACE_ID"):
-        return None
-    username = get_request_username(request)
-    if request is not None and not username:
-        log_progress(
-            "Login not detected; ZeroGPU may use anonymous quota.",
-            2,
-        )
-    return None
-
-
-def render_login_state(
-    request: gr.Request | None = None,
-) -> Tuple[dict, str]:
-    username = get_request_username(request)
-    if username:
-        return (
-            gr.update(value=f"Logout ({username})"),
-            f"Logged in as **{username}**.",
-        )
-    return (
-        gr.update(value="Sign in with Hugging Face"),
-        "Not logged in. Click **Sign in with Hugging Face** to authenticate.",
-    )
 
 
 def normalize_dataset_id(value: str) -> str:
@@ -1241,9 +1152,6 @@ def process_dataset_and_push(
     request: gr.Request | None = None,
     progress=gr.Progress(),
 ) -> str:
-    login_error = require_login(request, "dataset processing")
-    if login_error:
-        return login_error
     attempts = 0
     while True:
         try:
@@ -1470,9 +1378,6 @@ def gradio_single_file(
     max_atten_db,
     request: gr.Request | None = None,
 ):
-    login_error = require_login(request, "single-file processing")
-    if login_error:
-        return None, None, None, login_error
     return _gradio_single_file_gpu(
         audio_file,
         vad_threshold,
@@ -1493,18 +1398,7 @@ with gr.Blocks(title="Representation Chizzler") as demo:
         "to clean and publish a dataset to the Hugging Face Hub."
     )
     with gr.Row():
-        login_button = None
-        if hasattr(gr, "LoginButton"):
-            login_button = gr.LoginButton(logout_value="Logout ({})")
-            login_status = gr.Markdown()
-        else:
-            login_status = gr.Markdown(
-                "Sign in using the Hugging Face button in the Space header."
-            )
-    if login_button is not None:
-        demo.load(render_login_state, None, [login_button, login_status])
-        login_timer = gr.Timer(5)
-        login_timer.tick(render_login_state, None, [login_button, login_status])
+        gr.LoginButton()
 
     with gr.Tab("Single File"):
         audio_input = gr.Audio(label="Upload Audio File", type="filepath")