def _resolve_diff(self, inst, prev, curr):
added, deleted = diff_unsorted(prev, curr) #@UnusedVariable
for obj in added:
if not self._find_existing_primary(inst, obj):
new_primary = self.PrimaryTable()
setattr(new_primary, self.owner_fk, inst)
setattr(new_primary, self.foreign_fk, obj)
inst.add(new_primary)
if inst.session is not None:
for obj in deleted:
to_delete = self._find_existing_primary(inst, obj)
if to_delete:
to_delete.delete()
def test_diff_unsorted(self):
"""Test the diff_unsorted() method"""
added, deleted = util.diff_unsorted(['a', 'b', 'c'], ['a', 'b', 'd'])
self.assertEqual(added, ['d'])
self.assertEqual(deleted, ['c'])
def _resolve_diff(self, inst, prev, curr):
added, deleted = diff_unsorted(prev, curr) #@UnusedVariable
for obj in added:
setattr(obj, self.backref, inst)
for obj in deleted:
setattr(obj, self.backref, None)
def _resolve_diff(self, inst, prev, curr):
added, deleted = diff_unsorted(prev, curr) #@UnusedVariable
for obj in deleted:
self.foreign_field._set(obj, None, None)
for i, obj in enumerate(curr, start=1):
self.foreign_field._set(obj, inst, i)