add throttle

about.py

@@ -31,6 +31,7 @@ multiplier_dict = {"LogD": 1,
 
 TOKEN = os.environ.get("HF_TOKEN")
 CACHE_PATH=os.getenv("HF_HOME", ".")
+THROTTLE_MINUTES =   480 # minutes between submissions
 API = HfApi(token=TOKEN)
 organization="OpenADMET"
 submissions_repo = f'{organization}/openadmet-expansionrx-challenge-submissions' # private

evaluate.py

@@ -8,8 +8,9 @@ from about import (
     results_repo, 
     test_repo,
     multiplier_dict,
+    THROTTLE_MINUTES
 )
-from utils import bootstrap_metrics, convert_to_log
+from utils import bootstrap_metrics, convert_to_log, fetch_dataset_df
 from huggingface_hub import hf_hub_download
 import datetime
 import io
@@ -107,6 +108,16 @@ def submit_data(predictions_file: str,
     if user_state is None:
         raise gr.Error("Username or alias is required for submission.")
     
+
+    # check the last time the user submitted
+    data = fetch_dataset_df()
+    if not data[data['user'] == user_state].empty:
+        last_time = data[data['user'] == user_state]['submission time'].max()
+        delta = datetime.datetime.now(datetime.timezone.utc) - last_time.to_pydatetime()
+        if delta < datetime.timedelta(minutes=THROTTLE_MINUTES):
+            raise gr.Error(f"You have submitted within the last {THROTTLE_MINUTES} minutes. Please wait {THROTTLE_MINUTES - int(delta.total_seconds() // 60)} minutes before submitting again.")
+
+
     file_path = Path(predictions_file).resolve()
     if not file_path.exists():
         raise gr.Error("Uploaded file object does not have a valid file path.")