gistfile1.py

from django.db import models
from django.utils.translation import ugettext as _, ugettext_lazy as __

class FeatureType(models.Model):
    class Meta:
        verbose_name = __("FeatureType")
        verbose_name_plural = __("FeatureTypes")
        ordering = ('name',)

    name = models.CharField(max_length=75)
    slug = models.CharField(max_length=75)  
    
    def __unicode__(self):
        return self.name


class FacilityType(models.Model):
    class Meta:
        verbose_name = __("FacilityType")
        verbose_name_plural = __("FacilityTypes")
        ordering = ('name',)

    name = models.CharField(max_length=75)
    slug = models.CharField(max_length=75)
    duplicate_distance_tolerance= models.IntegerField(default=1)
    
    def __unicode__(self):
        return self.name


"""build the facility type"""
try:
    facility_type_list=[]
    ft=FacilityType.objects.all()
    for i in ft:
        facility_type_list.append(i.slug)
    facility_type_list2=facility_type_list
    facility_type_list=tuple(facility_type_list)
    
    properties_feature_type_choices_tuple=tuple(facility_type_list)
    properties_feature_type_choices=tuple(zip(facility_type_list, facility_type_list2))
    
except():
    pass