add: document which fn use globals

util/import_photos.py

@@ -26,6 +26,7 @@ def process_pictures():
     Place the resized copies to DEST_STRUNK and
     move the originals to DEST_ORIGINAL.
     Return a dict for each image processed for database collection.
+    Uses: DEST_STRUNK, DEST_ORIGINAL
     """
     # walk every pic
     # We only care about files in the root of the path
@@ -68,6 +69,7 @@ def process_pictures():
 def update_database():
     """Append new image information to the existing database
     or create a new one, if it does not exist yet
+    Uses: DB_LOCATION
     """
     # make sure the database exists
     check_database(DB_LOCATION)
@@ -103,7 +105,7 @@ def check_database(database_path: str):
                     )"""
         )
         con.commit()
-        # we only use this occasionaly with the new databases,
+        # we only use this occasionaly with new databases,
         # so don't bother with transfer logic, just close and reopen it later
         con.close()