[ADD] initial commit

__init__.py

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

__openerp__.py

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+# -*- coding: utf-8 -*-
+{
+    'name': "Minimum and maximum price in product",
+    'author': "Robert Gauto",
+    'category': 'Uncategorized',
+    'depends': ['sale'],
+    'data': [
+        'templates.xml',
+    ],
+    'installable': True,
+    'license': 'AGPL-3',
+    'external_dependencies': {
+        'python': [],
+    },
+}

models.py

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+# -*- coding: utf-8 -*-
+from openerp import models, fields
+
+class ProductTemplate(models.Model):
+    _inherit = 'product.template'
+
+    minimum_price = fields.Float(digits=(12, 2))
+    maximum_price = fields.Float(digits=(12, 2))

templates.xml

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+<openerp>
+    <data>
+        <record id="product_template_form_view" model="ir.ui.view">
+            <field name="model">product.template</field>
+            <field name="inherit_id" ref="product.product_template_form_view"/>
+            <field name="priority" eval="100"/>
+            <field name="arch" type="xml">
+                <xpath expr="//page[@string='Sales']/group[@name='sale']" position="before">
+                    <group>
+                        <field name="list_price" string="Precio público"/>
+                        <field name="minimum_price" string="Precio mínimo"/>
+                        <field name="maximum_price" string="Precio máximo"/>
+                    </group>
+                </xpath>
+            </field>
+        </record>
+    </data>
+</openerp>