old_contents: import random
  
  from django.db import models
  from django.conf import settings
  from django.utils.translation import gettext as _
  from django.core.validators import MinValueValidator
  from django.core.validators import MaxValueValidator
  from django.utils.encoding import python_2_unicode_compatible
  
  from . import utils as util
  from . import defaults as defs
  
  AUTH_USER_MODEL = getattr(settings, 'AUTH_USER_MODEL', 'auth.User')
  
  
  @python_2_unicode_compatible
  class AdSense(models.Model):
      created_at = models.DateTimeField(auto_now_add=True)
      updated_at = models.DateTimeField(auto_now=True)
  
      user = models.OneToOneField(
          AUTH_USER_MODEL,
          related_name="%(class)s",
          editable=False,
      )
  
      code = models.TextField(
          _("Adsense Code"),
          blank=True,
          null=True,
          help_text=_('Your Google "Responsive" Adsense Code.'),
      )
  
      ad_client = models.CharField(
          max_length=60,
          blank=True,
          null=True,
      )
  
      ad_slot = models.CharField(
          max_length=50,
          blank=True,
          null=True,
      )
  
      percentage = models.PositiveIntegerField(
          default=defs.ADWARE_MINIMUM_IMPRESSION_PERCENTAGE,
          validators=[MinValueValidator(1), MaxValueValidator(100)],
          help_text=_('Ad impression percentage (1-100).'),
      )
  
      active = models.BooleanField(
          _('active'),
          default=True,
          help_text=_('Active shows your ads.'),
      )
  
      suspended = models.BooleanField(
          _('suspended'),
          default=False,
          help_text=_('Suspended AdShare will not show ads. For admin use.'),
      )
  
      def __str__(self):
          return 'Adsense: {} [p:{}, a:{}]'.format(self.user.username, self.percentage, self.active)
  
      def get_info(self):
          """
          Returns ad client/slot or None
          """
          info = (defs.ADWARE_DEFAULT_AD_CLIENT, defs.ADWARE_DEFAULT_AD_SLOT)
          if self.user.is_active and self.active and not self.suspended:
              if self.code and self.ad_client and self.ad_slot:
                  rand = random.randint(1, 100)
                  if rand <= self.percentage:
                      info = (self.ad_client, self.ad_slot)
          return info
  
new_contents: import random
  
  from django.db import models
  from django.conf import settings
  from django.utils.translation import gettext as _
  from django.core.validators import MinValueValidator
  from django.core.validators import MaxValueValidator
  from django.utils.encoding import python_2_unicode_compatible
  
  from . import utils as util
  from . import defaults as defs
  
  AUTH_USER_MODEL = getattr(settings, 'AUTH_USER_MODEL', 'auth.User')
  
  
  @python_2_unicode_compatible
  class AdSense(models.Model):
      created_at = models.DateTimeField(auto_now_add=True)
      updated_at = models.DateTimeField(auto_now=True)
  
      user = models.OneToOneField(
          AUTH_USER_MODEL,
          related_name="%(class)s",
          editable=False,
      )
  
      code = models.TextField(
          _("Adsense Code"),
          blank=True,
          null=True,
          help_text=_('Your Google "Responsive" Adsense Code.'),
      )
  
      ad_client = models.CharField(
          max_length=60,
          blank=True,
          null=True,
      )
  
      ad_slot = models.CharField(
          max_length=50,
          blank=True,
          null=True,
      )
  
      percentage = models.PositiveIntegerField(
          default=defs.ADWARE_MINIMUM_IMPRESSION_PERCENTAGE,
          validators=[MinValueValidator(1), MaxValueValidator(100)],
          help_text=_('Ad impression percentage (1-100).'),
      )
  
      active = models.BooleanField(
          _('active'),
          default=True,
          help_text=_('Active shows your ads.'),
      )
  
      suspended = models.BooleanField(
          _('suspended'),
          default=False,
          help_text=_('Suspended AdShare will not show ads. For admin use.'),
      )
  
      def __str__(self):
          return 'Adsense: {} [p:{}, a:{}]'.format(self.user.username, self.percentage, self.active)
  
      def get_info(self):
          """
          Returns ad client/slot or ''
          """
          info = (defs.ADWARE_DEFAULT_AD_CLIENT, defs.ADWARE_DEFAULT_AD_SLOT)
          if self.user.is_active and self.active and not self.suspended:
              if self.code and self.ad_client and self.ad_slot:
                  rand = random.randint(1, 100)
                  if rand <= self.percentage:
                      info = (self.ad_client, self.ad_slot)
          return info
  
subject: fix comment