[IMP] procurement_jit: auto reserve for sale can happen at creation of procurements instead of confirm.

This makes it possible to redo reservation when more is asked for in a sale order

addons/procurement_jit/sale.py

@@ -3,12 +3,16 @@
 
 from openerp import api, fields, models, _
 
-class SaleOrder(models.Model):
-    _inherit = "sale.order"
+class SaleOrderLine(models.Model):
+    _inherit = "sale.order.line"
 
     @api.multi
-    def action_confirm(self):
-        res = super(SaleOrder, self).action_confirm()
-        for order in self:
-            order.picking_ids.filtered(lambda x: x.state=='confirmed').action_assign()
+    def _action_procurement_create(self):
+        res = super(SaleOrderLine, self)._action_procurement_create()
+        orders = list(set(x.order_id for x in self))
+        for order in orders:
+            reassign = order.picking_ids.filtered(lambda x: x.state=='confirmed' or ((x.state=='partially_available') and not x.printed))
+            if reassign:
+                reassign.do_unreserve()
+                reassign.action_assign()
         return res