add timestamps to files

app/pages/1_🌍_Flood_extent_analysis.py

@@ -291,6 +291,10 @@ def app():
                             vector = st.session_state.detected_flood_vector
                             url_v = vector.getDownloadUrl("GEOJSON")
                             response_v = requests.get(url_v)
+                            filename = "flood_extent"
+                            timestamp = dt.datetime.now().strftime(
+                                "%Y-%m-%d_%H-%M"
+                            )
                             with row2:
                                 # Create download buttons for raster and vector
                                 # data
@@ -298,14 +302,24 @@ def app():
                                     ste.download_button(
                                         label="Download Raster Extent",
                                         data=response_r.content,
-                                        file_name="flood_extent_raster.tif",
+                                        file_name=(
+                                            f"{filename}"
+                                            "_raster_"
+                                            f"{timestamp}"
+                                            ".tif"
+                                        ),
                                         mime="image/tif",
                                     )
                                 with open("flood_extent.geojson", "wb"):
                                     ste.download_button(
                                         label="Download Vector Extent",
                                         data=response_v.content,
-                                        file_name="flood_extent_vec.geojson",
+                                        file_name=(
+                                            f"{filename}"
+                                            "_vector_"
+                                            f"{timestamp}"
+                                            ".geojson"
+                                        ),
                                         mime="text/json",
                                     )
                             # Output for computation complete