[ADD] sale_order_line_no_product_creation

sale_order_line_no_product_creation/README.rst

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+==================================
+Sale line form no product creation
+==================================
+
+remove the option of create new product from sale order line form view
+
+.. |badge1| image:: https://img.shields.io/badge/licence-AGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/agpl-3.0-standalone.html
+    :alt: License: AGPL-3
+
+|badge1|
+
+
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/avanzosc/odoo-addons/issues>`_.
+In case of trouble, please check there if your issue has already been reported.
+If you spotted it first, help us smashing it by providing a detailed and welcomed
+`feedback <https://github.com/avanzosc/odoo-addons/issues/new?body=module:%20sale_order_line_no_product_creation%0Aversion:%2012.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**>`_.
+
+Do not contact contributors directly about support or help with technical issues.
+
+Credits
+=======
+
+Authors
+~~~~~~~
+
+* AvanzOSC
+
+Contributors
+~~~~~~~~~~~~
+
+* Mikel Arregi <[email protected]>
+* Ana Juaristi <[email protected]>

sale_order_line_no_product_creation/__manifest__.py

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+# Copyright 2020 Mikel Arregi Etxaniz - AvanzOSC
+# License AGPL-3 - See http://www.gnu.org/licenses/agpl-3.0.html
+{
+    "name": "Remove option to create product from sale order line form",
+    "version": "12.0.1.0.0",
+    "license": "AGPL-3",
+    "depends": [
+        "sale",
+    ],
+    "author": "AvanzOSC",
+    "website": "http://www.avanzosc.es",
+    "category": "",
+    "data": [
+         "views/sale_order_view.xml",
+    ],
+    'demo': [],
+    'installable': True,
+    'auto_install': False,
+}

sale_order_line_no_product_creation/views/sale_order_view.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <record model="ir.ui.view" id="delete_create_option_sale_line_form">
+        <field name="name">delete.create.option.sale.line.form</field>
+        <field name="model"></field>
+        <field name="inherit_id" ref="sale.view_order_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//page[@name='order_lines]/form/group/group/field[@name='product_id']"
+                   position="attributes">
+                <attribute name="options">{'no_create': True}</attribute>
+            </xpath>
+        </field>
+    </record>
+</odoo>