diff options
Diffstat (limited to 'lib/sqlalchemy/attributes.py')
| -rw-r--r-- | lib/sqlalchemy/attributes.py | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/sqlalchemy/attributes.py b/lib/sqlalchemy/attributes.py index 7fd9686e3..46c791bff 100644 --- a/lib/sqlalchemy/attributes.py +++ b/lib/sqlalchemy/attributes.py @@ -13,15 +13,15 @@ class InstrumentedAttribute(object): PASSIVE_NORESULT = object() - def __init__(self, manager, key, uselist, callable_, typecallable, trackparent=False, extension=None, copy_function=None, compare_function=None, **kwargs): + def __init__(self, manager, key, uselist, callable_, typecallable, trackparent=False, extension=None, copy_function=None, compare_function=None, mutable_scalars=False, **kwargs): self.manager = manager self.key = key self.uselist = uselist self.callable_ = callable_ self.typecallable= typecallable self.trackparent = trackparent + self.mutable_scalars = mutable_scalars if copy_function is None: - self._check_mutable_modified = False if uselist: self._copyfunc = lambda x: [y for y in x] else: @@ -29,7 +29,6 @@ class InstrumentedAttribute(object): # is passed self._copyfunc = lambda x: x else: - self._check_mutable_modified = True self._copyfunc = copy_function if compare_function is None: self._compare_function = lambda x,y: x == y @@ -52,7 +51,7 @@ class InstrumentedAttribute(object): return self._copyfunc(value) def check_mutable_modified(self, obj): - if self._check_mutable_modified: + if self.mutable_scalars: h = self.get_history(obj, passive=True) if h is not None and h.is_modified(): obj._state['modified'] = True |