mirror of
https://github.com/django/django.git
synced 2024-11-19 16:04:13 +00:00
d362c1546f
git-svn-id: http://code.djangoproject.com/svn/django/trunk@16976 bcc190cf-cafb-0310-a4f2-bffc1f526a37
14 lines
363 B
Python
14 lines
363 B
Python
from datetime import datetime
|
|
|
|
from django.db import models
|
|
|
|
|
|
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)
|