cleaning around ebooks
[wolnelektury.git] / apps / api / management / commands / mobileinit.py
index cfb9fb4..658b177 100755 (executable)
@@ -106,7 +106,8 @@ CREATE TABLE state (last_checked INTEGER);
 
 def current(last_checked):
     target = os.path.join(MOBILE_INIT_DB, 'initial.db')
-    os.unlink(target)
+    if os.path.lexists(target):
+        os.unlink(target)
     os.symlink(
         'initial.db-%d' % last_checked,
         target,
@@ -143,7 +144,7 @@ def add_book(db, book):
         html_file_size = book.html_file.size
     else:
         html_file = html_file_size = None
-    parent = book.parent
+    parent = book.parent_id
     parent_number = book.parent_number
     sort_key = book.sort_key
     size_str = pretty_size(html_file_size)