diff options
| -rw-r--r-- | pym/cache/metadata_overlay.py | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/pym/cache/metadata_overlay.py b/pym/cache/metadata_overlay.py index 104dc34d1..821beead1 100644 --- a/pym/cache/metadata_overlay.py +++ b/pym/cache/metadata_overlay.py @@ -35,18 +35,16 @@ class database(template.database): return value def _setitem(self, name, values): - try: - value_ro = self.db_ro[name] - if self._are_values_identical(value_ro,values): - # we have matching values in the underlying db_ro - # so it is unnecessary to store data in db_rw - try: - del self.db_rw[name] # delete unwanted whiteout when necessary - except KeyError: - pass - return - except KeyError: - pass + value_ro = self.db_ro.get(name, None) + if value_ro is not None and \ + self._are_values_identical(value_ro, values): + # we have matching values in the underlying db_ro + # so it is unnecessary to store data in db_rw + try: + del self.db_rw[name] # delete unwanted whiteout when necessary + except KeyError: + pass + return self.db_rw[name] = values def _delitem(self, cpv): |