show connection to hf dataset

pages/HF_Dataset.py

@@ -0,0 +1,28 @@
+import streamlit as st
+import pandas as pd
+from huggingface_hub import hf_hub_download
+import os
+
+# Set your Hugging Face token from environment variable
+hf_token = os.getenv("pegelonline_dataset_read_only")
+
+if hf_token is None:
+    st.error("Hugging Face token not found. Please set the HF_TOKEN environment variable.")
+else:
+    # Download the dataset file
+    dataset_path = hf_hub_download(
+        repo_id="DSSG-Wasserwacht/pegelonline-dataset",
+        filename="processed/stations.parquet",
+        repo_type="dataset",
+        use_auth_token=hf_token
+    )
+
+    # Load the dataset
+    df = pd.read_parquet(dataset_path)
+
+    # Streamlit app
+    st.title("Pegelonline Dataset Viewer")
+    st.write("This app displays data from the Pegelonline dataset.")
+
+    # Display the dataframe
+    st.dataframe(df)

requirements.txt

@@ -4,3 +4,4 @@ pandas
 geopandas
 pydeck
 altair
+huggingface_hub