[IMP] base: Move default address format into a method for inheritence

This diff is a small refactoring of a method to allow override.

odoo/addons/base/res/res_partner.py

@@ -764,6 +764,10 @@ class Partner(models.Model):
         ''' Return the main partner '''
         return self.env.ref('base.main_partner')
 
+    @api.model
+    def _get_default_address_format(self):
+        return "%(street)s\n%(street2)s\n%(city)s %(state_code)s %(zip)s\n%(country_name)s"
+
     @api.multi
     def _display_address(self, without_company=False):
 
@@ -779,7 +783,7 @@ class Partner(models.Model):
         # get the information that will be injected into the display format
         # get the address format
         address_format = self.country_id.address_format or \
-              "%(street)s\n%(street2)s\n%(city)s %(state_code)s %(zip)s\n%(country_name)s"
+            self._get_default_address_format()
         args = {
             'state_code': self.state_id.code or '',
             'state_name': self.state_id.name or '',