modules/filters.py

def apply_filters(df, alert_filter, cam_filter, location_filter):
    filtered_df = df[df["AlertLevel"].isin(alert_filter)]
    if cam_filter != "All":
        filtered_df = filtered_df[filtered_df["CameraStatus"] == cam_filter]
    if location_filter:
        filtered_df = filtered_df[filtered_df["Location"].isin(location_filter)]
    return filtered_df