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953badbea5
backwards compatible for all practical purposes. Fixed #2391, #2489, #2996, #3322, #3344, #3370, #3406, #3432, #3454, #3492, #3582, #3690, #3878, #3891, #3937, #4039, #4141, #4227, #4286, #4291, #4300, #4452, #4702 git-svn-id: http://code.djangoproject.com/svn/django/trunk@5609 bcc190cf-cafb-0310-a4f2-bffc1f526a37
43 lines
941 B
Python
43 lines
941 B
Python
"""
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13. Adding hooks before/after saving and deleting
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To execute arbitrary code around ``save()`` and ``delete()``, just subclass
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the methods.
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"""
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from django.db import models
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class Person(models.Model):
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first_name = models.CharField(maxlength=20)
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last_name = models.CharField(maxlength=20)
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def __unicode__(self):
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return u"%s %s" % (self.first_name, self.last_name)
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def save(self):
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print "Before save"
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super(Person, self).save() # Call the "real" save() method
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print "After save"
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def delete(self):
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print "Before deletion"
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super(Person, self).delete() # Call the "real" delete() method
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print "After deletion"
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__test__ = {'API_TESTS':"""
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>>> p1 = Person(first_name='John', last_name='Smith')
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>>> p1.save()
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Before save
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After save
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>>> Person.objects.all()
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[<Person: John Smith>]
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>>> p1.delete()
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Before deletion
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After deletion
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>>> Person.objects.all()
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[]
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"""}
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