diff options
Diffstat (limited to 'immutables')
-rw-r--r-- | immutables/_map.c | 4 | ||||
-rw-r--r-- | immutables/map.py | 3 |
2 files changed, 7 insertions, 0 deletions
diff --git a/immutables/_map.c b/immutables/_map.c index 9a81556..9b406ea 100644 --- a/immutables/_map.c +++ b/immutables/_map.c @@ -3880,6 +3880,10 @@ mapmut_py_update(MapMutationObject *self, PyObject *args, PyObject *kwds) return NULL; } + if (mapmut_check_finalized(self)) { + return NULL; + } + if (arg != NULL) { if (map_update_inplace(self->m_mutid, (BaseMapObject *)self, arg)) { return NULL; diff --git a/immutables/map.py b/immutables/map.py index 7b230dd..4c5cd49 100644 --- a/immutables/map.py +++ b/immutables/map.py @@ -719,6 +719,9 @@ class MapMutation: return True def update(self, col=None, **kw): + if self.__mutid == 0: + raise ValueError('mutation {!r} has been finished'.format(self)) + it = None if col is not None: if hasattr(col, 'items'): |