Best Python code snippet using localstack_python
signals.py
Source: signals.py
...10 def register_modeldiff(self, model):11 pre_delete.connect(self.modeldiff_pre_delete, model)12 def register_geomodeldiff(self, model):13 pre_delete.connect(self.geomodeldiff_pre_delete, model)14 def modeldiff_pre_delete(self, sender, **kwargs):15 self._pre_delete(Modeldiff, sender, **kwargs)16 def geomodeldiff_pre_delete(self, sender, **kwargs):17 self._pre_delete(Geomodeldiff, sender, **kwargs)18 def _pre_delete(self, modeldiff_class, sender, **kwargs):19 instance = kwargs['instance']20 # see if we need to create a modeldiff to track the object deletion21 if hasattr(instance, '_modeldiff_ignore'):22 del instance._modeldiff_ignore23 return24 fields = sender.Modeldiff.fields25 diff = modeldiff_class()26 diff.applied = True27 diff.model_name = sender.Modeldiff.model_name28 diff.key = settings.MODELDIFF_KEY29 diff.username = self._get_username(instance)30 diff.model_id = instance.pk31 diff.action = 'delete'32 unique_field = getattr(sender.Modeldiff, 'unique_field', None)...
save_delete_hooks.py
Source: save_delete_hooks.py
...3Django provides hooks for executing arbitrary code around ``save()`` and4``delete()``. Just add any of the following methods to your model:5 * ``_pre_save()`` is called before an object is saved.6 * ``_post_save()`` is called after an object is saved.7 * ``_pre_delete()`` is called before an object is deleted.8 * ``_post_delete()`` is called after an object is deleted.9"""10from django.core import meta11class Person(meta.Model):12 first_name = meta.CharField(maxlength=20)13 last_name = meta.CharField(maxlength=20)14 def __repr__(self):15 return "%s %s" % (self.first_name, self.last_name)16 def _pre_save(self):17 print "Before save"18 def _post_save(self):19 print "After save"20 def _pre_delete(self):21 print "Before deletion"22 def _post_delete(self):23 print "After deletion"24API_TESTS = """25>>> p1 = persons.Person(first_name='John', last_name='Smith')26>>> p1.save()27Before save28After save29>>> persons.get_list()30[John Smith]31>>> p1.delete()32Before deletion33After deletion34>>> persons.get_list()...
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