Update app.py

app.py

@@ -28,27 +28,20 @@ def get_backlinks(api_login, api_key, target_url, filters):
     # Check if the response contains 'results' key
     if response.status_code == 200:
         response_data = response.json()
-        st.write("API Response:", response_data)  # Display the full JSON response for debugging
+        # Debugging line: uncomment below to see the response data structure
+        # st.write("API Response:", response_data)  
 
-        if 'results' in response_data:
+        if 'results' in response_data and response_data['results']:
             results = response_data['results']
-            if results:
-                # Normalize the JSON data into a pandas DataFrame
-                df = pd.json_normalize(results)
-                st.write("DataFrame:", df)  # Display the DataFrame for debugging
-                return df
-            else:
-                st.error("Received empty data from API.")
-                return None
+            # Assuming 'results' is a list of dictionaries
+            df = pd.json_normalize(results)
+            return df
         else:
-            internal_status_code = response_data.get('status_code', None)
-            internal_status_message = response_data.get('status_message', 'No specific message provided')
-            st.error(f"Internal Status Code: {internal_status_code}, Message: {internal_status_message}")
-            return None
+            st.error("No results found in API response.")
+            return pd.DataFrame()  # Return an empty DataFrame
     else:
-        error_message = response.json().get('status_message', 'No specific error message provided')
-        st.error(f"Error: Code: {response.status_code} Message: {error_message}")
-        return None
+        st.error(f"API request failed with status code {response.status_code}")
+        return pd.DataFrame()  # Return an empty DataFrame
         
 # Streamlit layout
 st.sidebar.title("DataForSEO API Parameters")
@@ -99,12 +92,12 @@ reset_button = st.sidebar.button("Reset")
 # Generate CSV and download button
 if generate_button and target_url:
     df = get_backlinks(api_login, api_key, target_url, filters)
-    if df is not None and not df.empty:
+    if not df.empty:
         with col2:
             st.header("Output")
-            st.dataframe(df)  # This displays the DataFrame as a table
-    elif df is not None and df.empty:
-        st.write("The DataFrame is empty. No data to display.")
+            st.dataframe(df)  # Display the DataFrame
+    else:
+        st.write("No data available to display.")
 
 # Reset functionality
 if reset_button: