+
−from django.conf import settings
+
−from django.db.models.fields import Field
+
−
+
−class USStateField(Field): 
+
−    def get_internal_type(self): 
+
−        return "USStateField" 
+
−        
+
−    def db_type(self):
+
−        if settings.DATABASE_ENGINE == 'oracle':
+
−            return 'CHAR(2)'
+
−        else:
+
−            return 'varchar(2)'
+
−    
+
−    def formfield(self, **kwargs): 
+
−        from django.contrib.localflavor.us.forms import USStateSelect 
+
−        defaults = {'widget': USStateSelect} 
+
−        defaults.update(kwargs) 
+
−        return super(USStateField, self).formfield(**defaults)
+
−
+
−class PhoneNumberField(Field):
+
−    def get_internal_type(self):
+
−        return "PhoneNumberField"
+
−
+
−    def db_type(self):
+
−        if settings.DATABASE_ENGINE == 'oracle':
+
−            return 'VARCHAR2(20)'
+
−        else:
+
−            return 'varchar(20)'
+
−
+
−    def formfield(self, **kwargs):
+
−        from django.contrib.localflavor.us.forms import USPhoneNumberField
+
−        defaults = {'form_class': USPhoneNumberField}
+
−        defaults.update(kwargs)
+
−        return super(PhoneNumberField, self).formfield(**defaults)
+
−