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43 lines
914 B
Python
43 lines
914 B
Python
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"""
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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 __repr__(self):
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return "%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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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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[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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