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more fixes for the editor

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This commit is contained in:
Laura Klünder 2018-09-18 17:38:26 +02:00
parent f11c8c5f22
commit 55013a61b6
4 changed files with 95 additions and 8 deletions
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19
src/c3nav/editor/wrappers.py
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@ -206,8 +206,8 @@ class ModelInstanceWrapper(BaseWrapper):
descriptor = getattr(self._obj.__class__, name, None)
if isinstance(descriptor, ReverseOneToOneDescriptor):
try:
rel_obj = getattr(self._obj, descriptor.cache_name)
except AttributeError:
rel_obj = descriptor.related.get_cached_value(self._obj)
except KeyError:
related_pk = self._obj._get_pk_val()
if related_pk is None:
rel_obj = None
@ -219,8 +219,8 @@ class ModelInstanceWrapper(BaseWrapper):
except related_model.DoesNotExist:
rel_obj = None
else:
setattr(rel_obj, descriptor.related.field.get_cache_name(), self._obj)
setattr(self._obj, descriptor.cache_name, rel_obj)
descriptor.related.field.set_cached_value(rel_obj, self._obj)
descriptor.related.set_cached_value(self._obj, rel_obj)
return super().__getattr__(name)
def __setattr__(self, name, value):
@ -241,7 +241,7 @@ class ModelInstanceWrapper(BaseWrapper):
if not isinstance(value, ModelInstanceWrapper):
raise ValueError('value has to be None or ModelInstanceWrapper')
setattr(self._obj, name, value._obj)
setattr(self._obj, field.get_cache_name(), value)
field.set_cached_value(self._obj, value)
return
super().__setattr__(name, value)
@ -368,6 +368,15 @@ class BaseQueryWrapper(BaseWrapper):
return lookup_querysets[()]
def _chain(self, **kwargs):
"""
Return a copy of the current QuerySet that's ready for another
operation.
"""
obj = self._clone()
obj._obj.__dict__.update(kwargs)
return obj
def _clone(self, **kwargs):
clone = self._wrap_queryset(self._obj)
clone._obj.__dict__.update(kwargs)