django实现同一个ip十分钟内只能注册一次的实例

class Ip(models.Model):
 ip=models.CharField(max_length=20)
 time=models.DateTimeField()
 class Meta:
  verbose_name = u'访问时间'
  verbose_name_plural = verbose_name
 def __str__(self):
  return self.ip

from django.views.generic.base import View
from blog.models import Ip
class RegView(View):
 def get(self,request):
  ipreques = request.META['REMOTE_ADDR']
  try:
   ip_c=Ip.objects.get(ip=ipreques)
   if ip_c :
    if (datetime.datetime.now()-ip_c.time).total_seconds()<600:
     return render(request, 'login.html', {'msg': u'10分钟内只能注册一次'})
    ip_c.time=datetime.datetime.now()
    ip_c.save()
    return render(request, 'reg.html')
  except Exception as e:
   new=Ip()
   new.ip=str(ipreques)
   new.time=datetime.datetime.now()
   new.save()
   return render(request, 'reg.html')
 def post(self,request):
  username=request.POST['username']
  if len(getuser(username))<=0:
   return render(request,'reg.html',{'msg':u'用户名应该是6-16组成'})
  passwor1 = request.POST['password']
  passwor2 = request.POST['password1']
  shouj = request.POST['shouji']
  if len(getPhoneNumFromFile(shouj))<=0:
   return render(request, 'reg.html', {'msg':u'手机号格式是否正确'})
  shouji = User.objects.filter(mobile__exact=shouj)
  if shouji:
   return render(request, 'reg.html', {'msg': u'手机号已经存在'})
  youjian = request.POST['email']
  if len(getMailAddFromFile(youjian))<=0:
   return render(request, 'reg.html', {'msg': u'邮箱格式是否正确'})
  use=User.objects.filter(username__exact=username)
  if use:
   return render(request,'reg.html',{'msg':u'用户名已经存在'})
  else:
   if passwor1==passwor2:
    use1=User()
    use1.username=username
    use1.password=passwor1
    use1.mobile=shouj
    use1.email=youjian
    use1.save()
    return HttpResponseRedirect('login')
   else:
    return render(request,'reg.html',{'msg':u'请查看密码是否一致'})
  return render(request,'reg.html')

url(r'^reg$', RegView.as_view(),name='reg'),