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django/tests/regressiontests/cache/models.py

12 lines
361 B
Python

from django.db import models
from datetime import datetime
def expensive_calculation():
expensive_calculation.num_runs += 1
return datetime.now()
class Poll(models.Model):
question = models.CharField(max_length=200)
answer = models.CharField(max_length=200)
pub_date = models.DateTimeField('date published', default=expensive_calculation)