diff options
author | Nick Coghlan <ncoghlan@gmail.com> | 2017-02-09 16:09:03 +0100 |
---|---|---|
committer | Nick Coghlan <ncoghlan@gmail.com> | 2017-02-09 16:09:03 +0100 |
commit | 2a1d833d5da7fa7a01a2eef183b0a208ed019427 (patch) | |
tree | 8da3ebb695ae55c69d0a58691403fb13d96a9476 /Lib/dbm/dumb.py | |
parent | c6180bb73c8c7c7f9d8ea9816487b710597b6fc1 (diff) | |
parent | bbd3587a29510bd5a318e0a19fc8570c0cd3b622 (diff) | |
download | cpython-2a1d833d5da7fa7a01a2eef183b0a208ed019427.tar.gz |
Merge issue #26355 fix from 3.6
Diffstat (limited to 'Lib/dbm/dumb.py')
-rw-r--r-- | Lib/dbm/dumb.py | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Lib/dbm/dumb.py b/Lib/dbm/dumb.py index 2296dbfd54..c3c4a66601 100644 --- a/Lib/dbm/dumb.py +++ b/Lib/dbm/dumb.py @@ -68,7 +68,7 @@ class _Database(collections.MutableMapping): # Handle the creation self._create(flag) - self._update() + self._update(flag) def _create(self, flag): if flag == 'n': @@ -92,12 +92,17 @@ class _Database(collections.MutableMapping): f.close() # Read directory file into the in-memory index dict. - def _update(self): + def _update(self, flag): self._index = {} try: f = _io.open(self._dirfile, 'r', encoding="Latin-1") except OSError: self._modified = not self._readonly + if flag not in ('c', 'n'): + import warnings + warnings.warn("The index file is missing, the " + "semantics of the 'c' flag will be used.", + DeprecationWarning, stacklevel=4) else: self._modified = False with f: |