django/tests/modeltests/properties/models.py

27 lines
610 B
Python

"""
22. Using properties on models
"""
from django.core import meta
class Person(meta.Model):
first_name = meta.CharField(maxlength=30)
last_name = meta.CharField(maxlength=30)
def _get_full_name(self):
return "%s %s" % (self.first_name, self.last_name)
full_name = property(_get_full_name)
API_TESTS = """
>>> a = Person(first_name='John', last_name='Lennon')
>>> a.save()
>>> a.full_name
'John Lennon'
# The "full_name" property hasn't provided a "set" method.
>>> a.full_name = 'Paul McCartney'
Traceback (most recent call last):
...
AttributeError: can't set attribute
"""