Python编程django实现同一个ip十分钟内只能注册一次

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')