diff options
Diffstat (limited to 'rdflib/plugins/sparql/sparql.py')
| -rw-r--r-- | rdflib/plugins/sparql/sparql.py | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/rdflib/plugins/sparql/sparql.py b/rdflib/plugins/sparql/sparql.py index 76eded8f..69505561 100644 --- a/rdflib/plugins/sparql/sparql.py +++ b/rdflib/plugins/sparql/sparql.py @@ -191,13 +191,14 @@ class FrozenBindings(FrozenDict): bnodes = property(_bnodes) now = property(_now) - def forget(self, before): + def forget(self, before, _except=None): """ return a frozen dict only of bindings made in self since before """ + if not _except : _except = [] - return FrozenBindings(self.ctx, (x for x in self.iteritems() if before[x[0]] is None)) + return FrozenBindings(self.ctx, (x for x in self.iteritems() if x[0] in _except or before[x[0]] is None)) def remember(self, these): """ |