from django.db import models
import random
class RandomQueryset(models.query.QuerySet):
"""Custom queryset"""
def randomize(self):
"""Returns random object from given model
without 'shot the foot' ['?'][0]"""
count = self.count()
random_index = random.randint(0, count - 1)
return self.all()[random_index]
class RandomManager(models.Manager):
"""Custom manager, returns RandomQueryset instance.
Usable for related objects, required to be defined as default manager."""
use_for_related_fields = True
def get_query_set(self):
return RandomQueryset(self.model, using=self._db)
def randomize(self):
return self.get_query_set().randomize()
In use:
In [1]: from myapp.models import PostPages
In [2]: post = PostPages.objects.filter(image_gallery__isnull=False).distinct().randomize()
In [3]: post.image_gallery.randomize()
Out[3]: <Image: /site_media/media/img/vkrasa_gomukhasana.jpg>
Feed of latest snippets
Comments
[HTML_REMOVED][HTML_REMOVED]top wedding dress[HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]wedding dress fantasy[HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]the cheap wedding dress[HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]a-line v-neck wedding dresses[HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]bowknot wedding dress[HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]prom dresses with sleeves[HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]wide wedding dresses[HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]mother of the bride dresses[HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]suzanne wedding dresses[HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]butterflies bridal wear[HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] Other About top wedding dress blog [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] About www.comedress.com blog [HTML_REMOVED]
#
[HTML_REMOVED][HTML_REMOVED]Canadian Goose Jacket[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Jacket Sale[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Cheap Canada Goose Jacket[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Jackets Online[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canadagoose[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canadian Goose Parka[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Shops[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Outlet[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Online Store[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Parkas[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] .
To price Darwin" It's not at all the best or perhaps the leading with the kinds of which makes it through [HTML_REMOVED][HTML_REMOVED]business process outsourcing[HTML_REMOVED][HTML_REMOVED] even so the a person the vast majority of functional to assist you to change"
It's by no means happened to be more true compared to the particular medical related transcribing market place. Old soldiers in the business would likely vouch for adjustments which use taken place and in what ways transcribing bags and then transcriptionists possess adjusted to those shifts[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] Other About blog [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] About loginclothes.com blog [HTML_REMOVED]
#
[HTML_REMOVED][HTML_REMOVED]Canadian Goose Jacket[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Jacket Sale[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Cheap Canada Goose Jacket[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Jackets Online[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canadagoose[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Chilliwack Jacket[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Down Coat[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Down Coats[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Canada Goose Sale Online[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED]
[HTML_REMOVED][HTML_REMOVED]Shop Canada Goose[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] . Consequently significantly better reach capacity is the factor here in short while certainly is the quotient in this case.
Following essential thing to remember is that often from a bulletin [HTML_REMOVED][HTML_REMOVED]business process outsourcing[HTML_REMOVED][HTML_REMOVED] speculate if this trade to be able to innovate and even improvise. A without any enable when using the equipment positioned on world wide web could certainly assemble layouts which leave a remarkable effect on a kisses of their[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] Other About blog [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] About loginclothes.com blog [HTML_REMOVED]
#
[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] Other About blog [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] About blog [HTML_REMOVED]
#
[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] Other About blog [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] About blog [HTML_REMOVED]
#
[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] Other About blog [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] About blog [HTML_REMOVED]
#
[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] Other About blog [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] About blog [HTML_REMOVED]
#
[HTML_REMOVED][HTML_REMOVED]�����[HTML_REMOVED][HTML_REMOVED] | [HTML_REMOVED][HTML_REMOVED]����[HTML_REMOVED][HTML_REMOVED] | [HTML_REMOVED][HTML_REMOVED]�����[HTML_REMOVED][HTML_REMOVED] | [HTML_REMOVED][HTML_REMOVED]������[HTML_REMOVED][HTML_REMOVED] | [HTML_REMOVED][HTML_REMOVED]�����[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]�Ϳ���[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]����[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]��[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]������a>[HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED]������a>[HTML_REMOVED][HTML_REMOVED] .A move; the next time may be one that will completely transform your straighteners.[HTML_REMOVED] [HTML_REMOVED] 3.An appropriate tools[HTML_REMOVED] [HTML_REMOVED] Do you possess the perfect tools with the job? Should you wish to win Olympic silver, do you could have all your athletic ability and training necessary? Do you need to become a multi level marketing success? Then you choose to do your research in studying the most beneficial marketing practices, getting market products, not to mention consistently utilizing what you may have learned."Get loaded quick" schemes materialize only with effort and continuous strategic time! [HTML_REMOVED] [HTML_REMOVED] check out.Look ahead; not back[HTML_REMOVED] [HTML_REMOVED] Previous times is good only for learning what not to ever do, or utilizing the procedures developed to create about results[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] Other About ����� blog [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] ����� [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] About blog [HTML_REMOVED]
#
[HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] Other About blog [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] [HTML_REMOVED][HTML_REMOVED][HTML_REMOVED][HTML_REMOVED] About blog [HTML_REMOVED]
#