[IMP] The button to change standard price in product form now creates an inventory revaluation, instead of directly posting the journal entries.

stock_inventory_revaluation/README.rst

@@ -38,7 +38,9 @@ Usage
 =====
 
 * Go to *Inventory / Inventory Control / Inventory Revaluation / Products*
-  to create a new Inventory Revaluation.
+  to create a new Inventory Revaluation. For products set with average or
+  standard price and real-time valuation, go to the Product form and use the
+  link to change the standard price.
 
 * In order to post the inventory revaluation for multiple items at once,
   select the records in the tree view and go to

stock_inventory_revaluation/__openerp__.py

@@ -12,7 +12,7 @@
               "Odoo Community Association (OCA)",
     "website": "http://www.eficent.com",
     "category": "Warehouse",
-    "depends": ["stock_account"],
+    "depends": ["stock_account", "product"],
     "license": "AGPL-3",
     "data": [
         "wizards/stock_inventory_revaluation_get_quants_view.xml",

stock_inventory_revaluation/models/product.py

@@ -2,7 +2,7 @@
 # © 2015 Eficent Business and IT Consulting Services S.L.
 # - Jordi Ballester Alomar
 # License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl.html).
-from openerp import fields, models
+from openerp import api, fields, models
 
 
 class ProductCategory(models.Model):
@@ -24,3 +24,33 @@ class ProductCategory(models.Model):
              "account in the transaction created by the revaluation. "
              "The Valuation Decrease Account is used when the inventory value "
              "is decreased.")
+
+
+class ProductTemplate(models.Model):
+
+    _inherit = 'product.template'
+
+    @api.multi
+    def do_change_standard_price(self, new_price):
+        """Override standard method, as it was not suitable."""
+        reval_model = self.env["stock.inventory.revaluation"]
+        for product_template in self:
+            increase_account_id = \
+                product_template.categ_id.\
+                property_inventory_revaluation_increase_account_categ.id \
+                or False
+            decrease_account_id = \
+                product_template.categ_id.\
+                property_inventory_revaluation_decrease_account_categ.id \
+                or False
+
+            reval = reval_model.create({
+                'revaluation_type': 'price_change',
+                'product_template_id': product_template.id,
+                'new_cost': new_price,
+                'increase_account_id': increase_account_id,
+                'decrease_account_id': decrease_account_id
+            })
+            reval.post()
+        return True
+