[FIX] base, res_currency: raise an error if a currency doesn't have any rate associat...

bzr revid: qdp-launchpad@openerp.com-20130314153800-wl48wkp5f3zz0pb6

diff --cc openerp/addons/base/res/res_currency.py
index 9e5eec6,20db3ec..98dd6ed
--- 1/openerp/addons/base/res/res_currency.py
--- 2/openerp/addons/base/res/res_currency.py
+++ b/openerp/addons/base/res/res_currency.py
@@@ -49,7 -52,9 +49,7 @@@ class res_currency(osv.osv)
                  id, rate = cr.fetchall()[0]
                  res[id] = rate
              else:
-                 res[id] = 0
 -                #to prevent division by zero in case no rate exist for the defined period, we put the rate to one
 -                _logger.warning(("No currency rate associated for currency_id %d" % (id)))
 -                res[id] = 1
++                raise osv.except_osv(_('Error!'),_("No currency rate associated for currency %d for the given period" % (id)))
          return res
      _name = "res.currency"
      _description = "Currency"