Agregar pestaña de historial de orden de ventas en variantes de productos

__init__.py

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+# -*- coding: utf-8 -*-
+
+import models
+
+

__openerp__.py

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+# -*- encoding: utf-8 -*-
+###########################################################################
+
+###########################################################################
+
+{
+    "name": "Product Sale Details",
+    "category": "Sale",
+    "version": "1.0.0",
+    "summary": """Sale Details or Sale History on product from view.""",
+    "description": """Sale details on product from view.""",
+    "author": "Sebastian Penayo, Eiru Software",
+    "website": "http://www.eiru.com.py",
+    "depends": ["sale"],
+    "data": [
+        'views/product_view.xml',
+    ],
+    "images": [
+    ],
+    "installable": True,
+    "application": False,
+    "sequence": 1,
+}
+
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:

models/__init__.py

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+# -*- coding: utf-8 -*-
+
+import product
+
+

models/product.py

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+# -*- coding: utf-8 -*-
+
+from openerp import api, fields, models ,_
+
+class ProductProduct(models.Model):
+    _inherit = 'product.product'
+
+    sale_line_ids = fields.One2many('sale.order.line', 'product_id', 'Sale Lines') 
+
+
+# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:

views/product_view.xml

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+<?xml version='1.0' encoding="utf-8"?>
+<openerp>
+    <data>
+        <!-- Product View -->
+        <record id="product_normal_form_view_sale_history" model="ir.ui.view">
+            <field name="name">product.product.form</field>
+            <field name="model">product.product</field>
+            <field name="inherit_id" ref="product.product_normal_form_view"/>
+            <field name="arch" type="xml">
+                <xpath expr="//notebook/page[@string='Sales']" position="after">
+                    <page name="cost" string="Historial de Ventas">
+                        <field name="sale_line_ids"/>
+                    </page>
+                </xpath>
+            </field>
+        </record>
+
+    </data>
+</openerp>