diff --git a/product_abc_classification/README.rst b/product_abc_classification/README.rst
new file mode 100644
index 000000000000..bbed589ebf53
--- /dev/null
+++ b/product_abc_classification/README.rst
@@ -0,0 +1,102 @@
+==========================
+Product Abc Classification
+==========================
+
+.. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Beta-yellow.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Beta
+.. |badge2| 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
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fproduct--attribute-lightgray.png?logo=github
+    :target: https://github.com/OCA/product-attribute/tree/16.0/product_abc_classification_base
+    :alt: OCA/product-attribute
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/product-attribute-16-0/product-attribute-16-0-product_abc_classification_base
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runbot-Try%20me-875A7B.png
+    :target: https://runbot.odoo-community.org/runbot/135/16.0
+    :alt: Try me on Runbot
+
+|badge1| |badge2| |badge3| |badge4| |badge5| 
+
+This modules provides the bases to build ABC analysis (or ABC classification)
+addons. These classification are used by inventory management teams to help
+identify the most important products in their portfolio and ensure they
+prioritize managing them above those less valuable.
+
+Managers will create a profile with several levels (percentages) and then the
+profiled products will automatically get a corresponding level using the
+ABC classification.
+
+The addon *product_abc_classification_sale_stock* defines a computation profile
+based on the number of sale order line delivered by product.
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+To use this module, you need to:
+
+#. Go to Sales or Inventory menu, then to Configuration/Products/ABC Classification Profile
+and create a profile with levels, knowing that the sum of all levels in the profile
+should sum 100 and all the levels should be different.
+
+#. Later you should go to product categories or product variants, and assign them a profile.
+Then the cron classification will proceed to assign to these products one of the profile's levels.
+
+NOTE: If you profile (or unprofile) a product category, then all its
+child categories and products will be profiled (or unprofiled).
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/product-attribute/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/OCA/product-attribute/issues/new?body=module:%20product_abc_classification_base%0Aversion:%2016.0%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
+~~~~~~~
+
+* ACSONE SA/NV
+* ForgeFlow
+
+Contributors
+~~~~~~~~~~~~
+
+* Miquel Raïch <miquel.raich@eficent.com>
+* Lindsay Marion <lindsay.marion@acsone.eu>
+* Laurent Mignon <laurent.mignon@acsone.eu>
+* Denis Roussel <denis.roussel@acsone.eu>
+
+Maintainers
+~~~~~~~~~~~
+
+This module is maintained by the OCA.
+
+.. image:: https://odoo-community.org/logo.png
+   :alt: Odoo Community Association
+   :target: https://odoo-community.org
+
+OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.
+
+This module is part of the `OCA/product-attribute <https://github.com/OCA/product-attribute/tree/16.0/product_abc_classification_base>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.
diff --git a/product_abc_classification/__init__.py b/product_abc_classification/__init__.py
new file mode 100644
index 000000000000..0650744f6bc6
--- /dev/null
+++ b/product_abc_classification/__init__.py
@@ -0,0 +1 @@
+from . import models
diff --git a/product_abc_classification/__manifest__.py b/product_abc_classification/__manifest__.py
new file mode 100644
index 000000000000..310fe0ad7343
--- /dev/null
+++ b/product_abc_classification/__manifest__.py
@@ -0,0 +1,22 @@
+# Copyright 2020 ForgeFlow
+# Copyright 2021 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Product Abc Classification",
+    "summary": """
+        ABC classification for sales and warehouse management""",
+    "version": "16.0.1.0.0",
+    "license": "AGPL-3",
+    "author": "ACSONE SA/NV, ForgeFlow, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/product-attribute",
+    "depends": ["product", "stock"],
+    "data": [
+        "views/abc_classification_product_level.xml",
+        "views/abc_classification_profile.xml",
+        "views/product_template.xml",
+        "views/product_product.xml",
+        "security/ir.model.access.csv",
+        "data/ir_cron.xml",
+    ],
+}
diff --git a/product_abc_classification/data/ir_cron.xml b/product_abc_classification/data/ir_cron.xml
new file mode 100644
index 000000000000..04303328c198
--- /dev/null
+++ b/product_abc_classification/data/ir_cron.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<odoo noupdate="1">
+    <record id="ir_cron_product_abc_classification" model="ir.cron">
+        <field name="name">Perform the product ABC Classification</field>
+        <field name="user_id" ref="base.user_root" />
+        <field name="interval_number">1</field>
+        <field name="interval_type">months</field>
+        <field name="numbercall">-1</field>
+        <field name="doall" eval="False" />
+        <field name="model_id" ref="model_abc_classification_profile" />
+        <field name="code">model._cron_compute_abc_classification()</field>
+        <field name="state">code</field>
+    </record>
+</odoo>
diff --git a/product_abc_classification/i18n/fr.po b/product_abc_classification/i18n/fr.po
new file mode 100644
index 000000000000..82b0a6c960a3
--- /dev/null
+++ b/product_abc_classification/i18n/fr.po
@@ -0,0 +1,327 @@
+# Translation of Odoo Server.
+# This file contains the translation of the following modules:
+#	* product_abc_classification
+#
+msgid ""
+msgstr ""
+"Project-Id-Version: Odoo Server 10.0+e\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2021-02-15 16:46+0000\n"
+"PO-Revision-Date: 2021-02-15 16:46+0000\n"
+"Last-Translator: <>\n"
+"Language-Team: \n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: \n"
+"Plural-Forms: \n"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_level_percentage
+msgid "% Indicator"
+msgstr "% KPI
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_level_percentage_products
+msgid "% Products"
+msgstr "% Articles"
+
+#. module: product_abc_classification
+#: model_terms:ir.ui.view,arch_db:product_abc_classification.product_template_form_view
+msgid "ABC Classification"
+msgstr "Classification ABC"
+
+#. module: product_abc_classification
+#: model_terms:ir.ui.view,arch_db:product_abc_classification.abc_classification_product_level_form_view
+msgid "ABC Classification Product Level"
+msgstr "Niveau de classification ABC des articles"
+
+#. module: product_abc_classification
+#: model:ir.actions.act_window,name:product_abc_classification.abc_classification_profile_action
+#: model:ir.ui.menu,name:product_abc_classification.menu_abc_classification_profile_config_stock
+msgid "ABC Classification profiles"
+msgstr "Profils de classification ABC"
+
+#. module: product_abc_classification
+#: model_terms:ir.ui.view,arch_db:product_abc_classification.abc_classification_profile_form_view
+msgid "ABC Profile"
+msgstr "Profil ABC"
+
+#. module: product_abc_classification
+#: model_terms:ir.ui.view,arch_db:product_abc_classification.abc_classification_profile_tree_view
+msgid "ABC Profiles"
+msgstr "Profils ABC"
+
+#. module: product_abc_classification
+#: model:ir.model,name:product_abc_classification.model_abc_classification_product_level
+msgid "Abc Classification Product Level"
+msgstr "Niveau de classification"
+
+#. module: product_abc_classification
+#: model:ir.model,name:product_abc_classification.model_abc_classification_profile
+msgid "Abc Classification Profile"
+msgstr "Profil de classification ABC"
+
+#. module: product_abc_classification
+#: model_terms:ir.ui.view,arch_db:product_abc_classification.abc_classification_product_level_search_view
+msgid "Abc classification"
+msgstr "Classification ABC"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_delivery_carrier_abc_classification_product_level_ids
+#: model:ir.model.fields,field_description:product_abc_classification.field_product_product_abc_classification_product_level_ids
+#: model:ir.model.fields,field_description:product_abc_classification.field_product_template_abc_classification_product_level_ids
+msgid "Abc classification product level ids"
+msgstr "Classes ABC"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_allowed_profile_ids
+#: model:ir.model.fields,field_description:product_abc_classification.field_delivery_carrier_abc_classification_profile_ids
+#: model:ir.model.fields,field_description:product_abc_classification.field_product_product_abc_classification_profile_ids
+#: model:ir.model.fields,field_description:product_abc_classification.field_product_template_abc_classification_profile_ids
+msgid "Abc classification profile ids"
+msgstr "Profils ABC"
+
+#. module: product_abc_classification
+#: selection:abc.classification.profile,profile_type:0
+msgid "Based on the count of delivered sale order line by product"
+msgstr "Basé sur le total des lignes de vente par article"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,help:product_abc_classification.field_abc_classification_level_name
+msgid "Classification A, B or C"
+msgstr "Classification A, B ou C"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_level_id
+msgid "Classification level"
+msgstr "Classe / Niveau"
+
+#. module: product_abc_classification
+#: code:addons/product_abc_classification/models/abc_classification_product_level.py:84
+#, python-format
+msgid "Classification level is mandatory"
+msgstr "La classe / niveau est obligatoire"
+
+#. module: product_abc_classification
+#: model_terms:ir.ui.view,arch_db:product_abc_classification.abc_classification_product_level_search_view
+msgid "Classification not in sync with computed"
+msgstr "Classes ABC manuelle et calculée divergentes"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_computed_level_id
+msgid "Computed classification level"
+msgstr "Classe calculée"
+
+#. module: product_abc_classification
+#: model_terms:ir.ui.view,arch_db:product_abc_classification.abc_classification_product_level_form_view
+msgid "Computed level differs from the specified level"
+msgstr "La class calculée diverge de la valeur spécifiée"
+
+#. module: product_abc_classification
+#: code:addons/product_abc_classification/models/abc_classification_product_level.py:90
+#, python-format
+msgid "Computed level must be in  the same classifiation profile as the one on the product level"
+msgstr "La classe calculée doit utiliser le même profil de classification que celui défini sur le produit"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_level_create_uid
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_create_uid
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile_create_uid
+msgid "Created by"
+msgstr "Créé par"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_level_create_date
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_create_date
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile_create_date
+msgid "Created on"
+msgstr "Créé le"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_level_display_name
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_display_name
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile_display_name
+msgid "Display Name"
+msgstr "Nom affiché"
+
+#. module: product_abc_classification
+#: model_terms:ir.ui.view,arch_db:product_abc_classification.abc_classification_product_level_search_view
+msgid "Group By"
+msgstr "Grouper par"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_level_id
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_id
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile_id
+msgid "ID"
+msgstr "ID"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_flag
+msgid "If True, this means that the manual classification is different from the computed one"
+msgstr "Si coché, indique que la classe attribuée manuellement au produit diverge de la classe calculée par le système."
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_level___last_update
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level___last_update
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile___last_update
+msgid "Last Modified on"
+msgstr "Dernière modification le"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_level_write_uid
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_write_uid
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile_write_uid
+msgid "Last Updated by"
+msgstr "Dernière mise à jour par"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_level_write_date
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_write_date
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile_write_date
+msgid "Last Updated on"
+msgstr "Dernière mise à jour le"
+
+#. module: product_abc_classification
+#: model_terms:ir.ui.view,arch_db:product_abc_classification.abc_classification_product_level_search_view
+msgid "Level"
+msgstr "Niveau"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile_level_ids
+msgid "Level ids"
+msgstr "Classes"
+
+#. module: product_abc_classification
+#: sql_constraint:abc.classification.level:0
+#: code:addons/product_abc_classification/models/abc_classification_level.py:30
+#, python-format
+msgid "Level name must be unique by profile"
+msgstr "Le nom de la classe doit être unique par profil"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_manual_level_id
+msgid "Manual classification level"
+msgstr "Classe (Valeur à utiliser)"
+
+#. module: product_abc_classification
+#: code:addons/product_abc_classification/models/abc_classification_product_level.py:100
+#, python-format
+msgid "Manual level must be in  the same classifiation profile as the one on the product level"
+msgstr "La classe à utiliser doit utiliser le même profil de classification que celui défini sur le produit"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_level_name
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile_name
+msgid "Name"
+msgstr "Nom"
+
+#. module: product_abc_classification
+#: sql_constraint:abc.classification.product.level:0
+#: code:addons/product_abc_classification/models/abc_classification_product_level.py:76
+#, python-format
+msgid "Only one level by profile by product allowed"
+msgstr "Une classe de classification ABC par profil et par produit autorisée."
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile_period
+msgid "Period on which to compute the classification (Days)"
+msgstr "Période référence pour le calcul de la classification (Nbr jours)"
+
+#. module: product_abc_classification
+#: model:ir.model,name:product_abc_classification.model_product_product
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_product_id
+msgid "Product"
+msgstr "Article"
+
+#. module: product_abc_classification
+#: model:ir.model,name:product_abc_classification.model_product_template
+msgid "Product Template"
+msgstr "Modèle de produit"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_product_tmpl_id
+msgid "Product template"
+msgstr "Modèle de produit"
+
+#. module: product_abc_classification
+#: model:ir.actions.act_window,name:product_abc_classification.abc_classification_product_level_action
+#: model:ir.ui.menu,name:product_abc_classification.menu_abc_classification_product_level_config_stock
+msgid "Products ABC Classification"
+msgstr "Classification ABC des articles"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_profile_id
+#: model_terms:ir.ui.view,arch_db:product_abc_classification.abc_classification_product_level_search_view
+msgid "Profile"
+msgstr "Profil"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_level_profile_id
+msgid "Profile id"
+msgstr "Profil"
+
+#. module: product_abc_classification
+#: sql_constraint:abc.classification.profile:0
+#: code:addons/product_abc_classification/models/abc_classification_profile.py:33
+#, python-format
+msgid "Profile name must be unique"
+msgstr "Le nom du profil doit être unique"
+
+#. module: product_abc_classification
+#: code:addons/product_abc_classification/models/abc_classification_level.py:39
+#, python-format
+msgid "The percentage cannot be greater than 100."
+msgstr "Le pourcentage ne peut pas dépasser 100."
+
+#. module: product_abc_classification
+#: code:addons/product_abc_classification/models/abc_classification_level.py:51
+#, python-format
+msgid "The percentage of products cannot be greater than 100."
+msgstr "Le pourcentage d'articles' ne peut pas dépasser 100."
+
+#. module: product_abc_classification
+#: code:addons/product_abc_classification/models/abc_classification_level.py:55
+#, python-format
+msgid "The percentage of products should be a positive number."
+msgstr "Le pourcentage d'articles' doit être un nombre positif."
+
+#. module: product_abc_classification
+#: code:addons/product_abc_classification/models/abc_classification_level.py:43
+#, python-format
+msgid "The percentage should be a positive number."
+msgstr "Le pourcentage doit être un nombre positif."
+
+#. module: product_abc_classification
+#: code:addons/product_abc_classification/models/abc_classification_profile.py:52
+#, python-format
+msgid "The percentages of the levels must be unique."
+msgstr "Les valeurs de pourcentage des différentes classes doivent être uniques pour un même profil."
+
+#. module: product_abc_classification
+#: code:addons/product_abc_classification/models/abc_classification_profile.py:43
+#, python-format
+msgid "The sum of the percentages of the levels should be 100."
+msgstr "La somme des pourcentages ne doit pas dépasser 100."
+
+#. module: product_abc_classification
+#: code:addons/product_abc_classification/models/abc_classification_profile.py:60
+#, python-format
+msgid "The sum of the products percentages of the levels should be 100."
+msgstr "La somme des pourcentages d'articles ne doit pas dépasser 100."
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_product_level_profile_type
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile_profile_type
+msgid "Type of ABC classification"
+msgstr "Type de classification ABC"
+
+#. module: product_abc_classification
+#: model:ir.model.fields,field_description:product_abc_classification.field_abc_classification_profile_auto_apply_computed_value
+msgid "Auto apply computed value"
+msgstr "Appliquer automatiquement la classification calculée"
+
+#. module: product_abc_classification
+#: model:ir.model,name:product_abc_classification.model_abc_classification_level
+msgid "abc.classification.level"
+msgstr "Classe de classification ABC"
diff --git a/product_abc_classification/models/__init__.py b/product_abc_classification/models/__init__.py
new file mode 100644
index 000000000000..b98adc64bd49
--- /dev/null
+++ b/product_abc_classification/models/__init__.py
@@ -0,0 +1,5 @@
+from . import abc_classification_profile
+from . import abc_classification_level
+from . import product_template
+from . import product_product
+from . import abc_classification_product_level
diff --git a/product_abc_classification/models/abc_classification_level.py b/product_abc_classification/models/abc_classification_level.py
new file mode 100644
index 000000000000..01b045eabc72
--- /dev/null
+++ b/product_abc_classification/models/abc_classification_level.py
@@ -0,0 +1,48 @@
+# Copyright 2020 ForgeFlow
+# Copyright 2021 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import _, api, fields, models
+from odoo.exceptions import ValidationError
+
+
+class AbcClassificationLevel(models.Model):
+
+    _name = "abc.classification.level"
+    _description = "ABC Classification Level"
+    _order = "percentage desc, id desc"
+    _rec_name = "name"
+
+    percentage_products = fields.Float(default=0.0, required=True, string="% Products")
+    percentage = fields.Float(default=0.0, required=True, string="% Indicator")
+    profile_id = fields.Many2one("abc.classification.profile", ondelete="cascade")
+
+    name = fields.Char(help="Classification A, B or C", required=True)
+
+    _sql_constraints = [
+        (
+            "name_uniq",
+            "UNIQUE(profile_id, name)",
+            _("Level name must be unique by profile"),
+        )
+    ]
+
+    @api.constrains("percentage")
+    def _check_percentage(self):
+        for level in self:
+            if level.percentage > 100.0:
+                raise ValidationError(_("The percentage cannot be greater than 100."))
+            if level.percentage <= 0.0:
+                raise ValidationError(_("The percentage should be a positive number."))
+
+    @api.constrains("percentage_products")
+    def _check_percentage_products(self):
+        for level in self:
+            if level.percentage_products > 100.0:
+                raise ValidationError(
+                    _("The percentage of products cannot be greater than 100.")
+                )
+            if level.percentage_products <= 0.0:
+                raise ValidationError(
+                    _("The percentage of products should be a positive number.")
+                )
diff --git a/product_abc_classification/models/abc_classification_product_level.py b/product_abc_classification/models/abc_classification_product_level.py
new file mode 100644
index 000000000000..7def032e335b
--- /dev/null
+++ b/product_abc_classification/models/abc_classification_product_level.py
@@ -0,0 +1,181 @@
+# Copyright 2021 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import _, api, fields, models
+from odoo.exceptions import ValidationError
+
+
+class AbcClassificationProductLevel(models.Model):
+    _name = "abc.classification.product.level"
+    _inherit = "mail.thread"
+    _description = "Abc Classification Product Level"
+    _rec_name = "level_id"
+
+    display_name = fields.Char(compute="_compute_display_name")
+
+    manual_level_id = fields.Many2one(
+        "abc.classification.level",
+        string="Manual classification level",
+        tracking=True,
+        domain="[('profile_id', '=', profile_id)]",
+    )
+    computed_level_id = fields.Many2one(
+        "abc.classification.level",
+        string="Computed classification level",
+        readonly=True,
+    )
+    level_id = fields.Many2one(
+        "abc.classification.level",
+        string="Classification level",
+        compute="_compute_level_id",
+        store=True,
+        domain="[('profile_id', '=', profile_id)]",
+    )
+    flag = fields.Boolean(
+        default=False,
+        compute="_compute_flag",
+        string="If True, this means that the manual classification is "
+        "different from the computed one",
+        store=True,
+        index=True,
+    )
+    product_id = fields.Many2one(
+        "product.product",
+        string="Product",
+        index=True,
+        required=True,
+        ondelete="cascade",
+    )
+    product_tmpl_id = fields.Many2one(
+        "product.template",
+        string="Product template",
+        index=True,
+        readonly=True,
+    )
+    # percentage
+    profile_id = fields.Many2one(
+        "abc.classification.profile",
+        string="Profile",
+        required=True,
+    )
+    profile_type = fields.Selection(
+        related="profile_id.profile_type",
+        readonly=True,
+        store=True,
+    )
+    allowed_profile_ids = fields.Many2many(
+        comodel_name="abc.classification.profile",
+        related="product_id.abc_classification_profile_ids",
+    )
+
+    _sql_constraints = [
+        (
+            "product_level_uniq",
+            "UNIQUE(profile_id, product_id)",
+            _("Only one level by profile by product allowed"),
+        )
+    ]
+
+    @api.constrains("computed_level_id", "manual_level_id", "product_id")
+    def _check_level(self):
+        for rec in self:
+            if not rec.computed_level_id and not rec.manual_level_id:
+                raise ValidationError(_("Classification level is mandatory"))
+            if (
+                rec.computed_level_id
+                and rec.computed_level_id.profile_id != rec.profile_id
+            ):
+                raise ValidationError(
+                    _(
+                        "Computed level must be in  the same classifiation "
+                        "profile as the one on the product level"
+                    )
+                )
+            if rec.manual_level_id and rec.manual_level_id.profile_id != rec.profile_id:
+                raise ValidationError(
+                    _(
+                        "Manual level must be in  the same classifiation "
+                        "profile as the one on the product level"
+                    )
+                )
+
+    @api.onchange("product_tmpl_id")
+    def _onchange_product_tmpl_id(self):
+        for rec in self.filtered(
+            lambda a: a.product_tmpl_id.product_variant_count == 1
+        ):
+            rec.product_id = rec.product_tmpl_id.product_variant_id
+
+    @api.depends("level_id", "profile_id")
+    def _compute_display_name(self):
+        for record in self:
+            record.display_name = "{profile_name}: {level_name}".format(
+                profile_name=record.profile_id.name,
+                level_name=record.level_id.name,
+            )
+
+    @api.depends("manual_level_id", "computed_level_id")
+    def _compute_level_id(self):
+        for rec in self:
+            if rec.manual_level_id:
+                rec.level_id = rec.manual_level_id
+            else:
+                rec.level_id = rec.computed_level_id
+
+    @api.depends("manual_level_id", "computed_level_id")
+    def _compute_flag(self):
+        for rec in self:
+            rec.flag = (
+                rec.computed_level_id and rec.manual_level_id != rec.computed_level_id
+            )
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        for vals in vals_list:
+            if "manual_level_id" not in vals and "computed_level_id" in vals:
+                # at creation the manual level is set to the same value as the
+                # computed one
+                vals["manual_level_id"] = vals["computed_level_id"]
+
+            if "profile_id" in vals:
+                profile = self.env["abc.classification.profile"].browse(
+                    vals["profile_id"]
+                )
+                if profile.auto_apply_computed_value and "computed_level_id" in vals:
+                    vals["manual_level_id"] = vals["computed_level_id"]
+        return super().create(vals_list)
+
+    def write(self, vals):
+        """
+        We apply the manual level to the product level if
+        computed level is modified and only for profiles with
+        auto_apply_computed_value = =True
+        """
+        values = vals.copy()
+        new_self = self
+        if "computed_level_id" in values:
+            profile_obj = self.env["abc.classification.profile"]
+            target_profile_id = (
+                profile_obj.browse(values["profile_id"]).filtered(
+                    "auto_apply_computed_value"
+                )
+                if "profile_id" in values
+                else profile_obj.browse()
+            )
+            if target_profile_id:
+                # If the profile of levels should be changed at the same time
+                # and has auto_apply_computed_value True
+                # So, we can apply change to the whole recordset
+                values["manual_level_id"] = values["computed_level_id"]
+            else:
+                # If profile is not modified, filter levels per profile
+                # if it has auto_apply_computed_value True and modify only
+                # those ones
+                auto_applied_profiles_levels = self.filtered(
+                    lambda l: l.profile_id.auto_apply_computed_value
+                )
+                new_self = self - auto_applied_profiles_levels
+                super(
+                    AbcClassificationProductLevel, auto_applied_profiles_levels
+                ).write(dict(values, manual_level_id=values["computed_level_id"]))
+        return super(AbcClassificationProductLevel, new_self).write(values)
diff --git a/product_abc_classification/models/abc_classification_profile.py b/product_abc_classification/models/abc_classification_profile.py
new file mode 100644
index 000000000000..dc7fd29f3ad8
--- /dev/null
+++ b/product_abc_classification/models/abc_classification_profile.py
@@ -0,0 +1,137 @@
+# Copyright 2020 ForgeFlow
+# Copyright 2021 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from psycopg2.extensions import AsIs
+
+from odoo import _, api, fields, models
+from odoo.exceptions import ValidationError
+
+
+class AbcClassificationProfile(models.Model):
+
+    _name = "abc.classification.profile"
+    _description = "Abc Classification Profile"
+    _rec_name = "name"
+
+    name = fields.Char(required=True)
+    level_ids = fields.One2many(
+        comodel_name="abc.classification.level", inverse_name="profile_id"
+    )
+    profile_type = fields.Selection(
+        selection=[],
+        string="Type of ABC classification",
+        index=True,
+        required=True,
+    )
+    period = fields.Integer(
+        default=365,
+        string="Period on which to compute the classification (Days)",
+        required=True,
+    )
+
+    product_variant_ids = fields.Many2many(
+        comodel_name="product.product",
+        relation="abc_classification_profile_product_rel",
+        column1="profile_id",
+        column2="product_id",
+        index=True,
+    )
+    product_count = fields.Integer(compute="_compute_product_count", readonly=True)
+
+    auto_apply_computed_value = fields.Boolean(
+        default=False,
+        help="Check this if you want to apply the computed level on each product that has this "
+        "profile.",
+    )
+
+    _sql_constraints = [("name_uniq", "UNIQUE(name)", _("Profile name must be unique"))]
+
+    @api.constrains("level_ids")
+    def _check_levels(self):
+        for profile in self:
+            percentages = profile.level_ids.mapped("percentage")
+            total = sum(percentages)
+            if profile.level_ids and total != 100.0:
+                raise ValidationError(
+                    _("The sum of the percentages of the levels should be " "100.")
+                )
+            if profile.level_ids and len({}.fromkeys(percentages)) != len(percentages):
+                raise ValidationError(
+                    _("The percentages of the levels must be unique.")
+                )
+            percentage_productss = profile.level_ids.mapped("percentage_products")
+            total = sum(percentage_productss)
+            if profile.level_ids and total != 100.0:
+                raise ValidationError(
+                    _(
+                        "The sum of the products percentages of the levels "
+                        "should be 100."
+                    )
+                )
+
+    def _compute_abc_classification(self):
+        raise NotImplementedError()
+
+    @api.depends("product_variant_ids")
+    def _compute_product_count(self):
+        for profile in self:
+            profile.product_count = len(profile.product_variant_ids)
+
+    def action_view_products(self):
+        products = self.mapped("product_variant_ids")
+        action = self.env["ir.actions.act_window"]._for_xml_id(
+            "product.product_variant_action"
+        )
+        del action["context"]
+        if len(products) > 1:
+            action["domain"] = [("id", "in", products.ids)]
+        elif len(products) == 1:
+            form_view = [
+                (self.env.ref("product.product_variant_easy_edit_view").id, "form")
+            ]
+            if "views" in action:
+                action["views"] = form_view + [
+                    (state, view) for state, view in action["views"] if view != "form"
+                ]
+            else:
+                action["views"] = form_view
+            action["res_id"] = products.id
+        else:
+            action = {"type": "ir.actions.act_window_close"}
+        return action
+
+    @api.model
+    def _cron_compute_abc_classification(self):
+        self.search([])._compute_abc_classification()
+
+    def write(self, vals):
+        res = super(AbcClassificationProfile, self).write(vals)
+        if "auto_apply_computed_value" in vals and vals["auto_apply_computed_value"]:
+            self._auto_apply_computed_value_for_product_levels()
+        return res
+
+    def _auto_apply_computed_value_for_product_levels(self):
+        level_ids = []
+        for rec in self:
+            self.env.cr.execute(
+                """
+                    UPDATE %(table)s
+                        SET manual_level_id = computed_level_id
+                        WHERE profile_id = %(profile_id)s
+                        RETURNING id
+
+            """,
+                {
+                    "table": AsIs(self.env["abc.classification.product.level"]._table),
+                    "profile_id": rec.id,
+                },
+            )
+            level_ids.extend(r[0] for r in self.env.cr.fetchall())
+        self.env["abc.classification.product.level"].invalidate_cache(
+            ["manual_level_id"], level_ids
+        )
+        modified_levels = self.env["abc.classification.product.level"].browse(level_ids)
+        # mark field as modified and trigger recompute of dependent fields.
+        modified_levels.modified(["manual_level_id"])
+        modified_levels._recompute_recordset()
diff --git a/product_abc_classification/models/product_product.py b/product_abc_classification/models/product_product.py
new file mode 100644
index 000000000000..80f1fc1513f3
--- /dev/null
+++ b/product_abc_classification/models/product_product.py
@@ -0,0 +1,21 @@
+# Copyright 2020 ForgeFlow
+# Copyright 2021 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import fields, models
+
+
+class ProductProduct(models.Model):
+
+    _inherit = "product.product"
+
+    abc_classification_product_level_ids = fields.One2many(
+        "abc.classification.product.level", index=True, inverse_name="product_id"
+    )
+    abc_classification_profile_ids = fields.Many2many(
+        comodel_name="abc.classification.profile",
+        relation="abc_classification_profile_product_rel",
+        column1="product_id",
+        column2="profile_id",
+        index=True,
+    )
diff --git a/product_abc_classification/models/product_template.py b/product_abc_classification/models/product_template.py
new file mode 100644
index 000000000000..48c01bbc47d0
--- /dev/null
+++ b/product_abc_classification/models/product_template.py
@@ -0,0 +1,70 @@
+# Copyright 2020 ForgeFlow
+# Copyright 2021 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    abc_classification_profile_ids = fields.Many2many(
+        "abc.classification.profile",
+        compute="_compute_abc_classification_profile_ids",
+        inverse="_inverse_abc_classification_profile_ids",
+        store=True,
+    )
+    abc_classification_product_level_ids = fields.One2many(
+        "abc.classification.product.level",
+        compute="_compute_abc_classification_product_level_ids",
+        inverse="_inverse_abc_classification_product_level_ids",
+        inverse_name="product_tmpl_id",
+        store=True,
+    )
+
+    @api.depends(
+        "product_variant_ids",
+        "product_variant_ids.abc_classification_profile_ids",
+    )
+    def _compute_abc_classification_profile_ids(self):
+        unique_variants = self.filtered(
+            lambda template: len(template.product_variant_ids) == 1
+        )
+        for template in unique_variants:
+            template.abc_classification_profile_ids = (
+                template.product_variant_ids.abc_classification_profile_ids
+            )
+        for template in self - unique_variants:
+            template.abc_classification_profile_ids = False
+
+    @api.depends(
+        "product_variant_ids",
+        "product_variant_ids.abc_classification_product_level_ids",
+    )
+    def _compute_abc_classification_product_level_ids(self):
+        unique_variants = self.filtered(
+            lambda template: len(template.product_variant_ids) == 1
+        )
+        for template in unique_variants:
+            variants = template.product_variant_ids
+            template.abc_classification_product_level_ids = (
+                variants.abc_classification_product_level_ids
+            )
+        for template in self - unique_variants:
+            template.abc_classification_product_level_ids = False
+
+    def _inverse_abc_classification_profile_ids(self):
+        for template in self:
+            if len(template.product_variant_ids) == 1:
+                variants = template.product_variant_ids
+                variants.abc_classification_profile_ids = (
+                    template.abc_classification_profile_ids
+                )
+
+    def _inverse_abc_classification_product_level_ids(self):
+        for template in self:
+            if len(template.product_variant_ids) == 1:
+                variants = template.product_variant_ids
+                variants.abc_classification_product_level_ids = (
+                    template.abc_classification_product_level_ids
+                )
diff --git a/product_abc_classification/readme/CONTRIBUTORS.rst b/product_abc_classification/readme/CONTRIBUTORS.rst
new file mode 100644
index 000000000000..fe41e2ce43dd
--- /dev/null
+++ b/product_abc_classification/readme/CONTRIBUTORS.rst
@@ -0,0 +1,4 @@
+* Miquel Raïch <miquel.raich@eficent.com>
+* Lindsay Marion <lindsay.marion@acsone.eu>
+* Laurent Mignon <laurent.mignon@acsone.eu>
+* Denis Roussel <denis.roussel@acsone.eu>
diff --git a/product_abc_classification/readme/DESCRIPTION.rst b/product_abc_classification/readme/DESCRIPTION.rst
new file mode 100644
index 000000000000..e8bc6d5b704d
--- /dev/null
+++ b/product_abc_classification/readme/DESCRIPTION.rst
@@ -0,0 +1,11 @@
+This modules provides the bases to build ABC analysis (or ABC classification)
+addons. These classification are used by inventory management teams to help
+identify the most important products in their portfolio and ensure they
+prioritize managing them above those less valuable.
+
+Managers will create a profile with several levels (percentages) and then the
+profiled products will automatically get a corresponding level using the
+ABC classification.
+
+The addon *product_abc_classification_sale_stock* defines a computation profile
+based on the number of sale order line delivered by product.
diff --git a/product_abc_classification/readme/USAGE.rst b/product_abc_classification/readme/USAGE.rst
new file mode 100644
index 000000000000..a66526e486c7
--- /dev/null
+++ b/product_abc_classification/readme/USAGE.rst
@@ -0,0 +1,11 @@
+To use this module, you need to:
+
+#. Go to Sales or Inventory menu, then to Configuration/Products/ABC Classification Profile
+and create a profile with levels, knowing that the sum of all levels in the profile
+should sum 100 and all the levels should be different.
+
+#. Later you should go to product categories or product variants, and assign them a profile.
+Then the cron classification will proceed to assign to these products one of the profile's levels.
+
+NOTE: If you profile (or unprofile) a product category, then all its
+child categories and products will be profiled (or unprofiled).
diff --git a/product_abc_classification/security/ir.model.access.csv b/product_abc_classification/security/ir.model.access.csv
new file mode 100644
index 000000000000..9283b3539606
--- /dev/null
+++ b/product_abc_classification/security/ir.model.access.csv
@@ -0,0 +1,7 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_abc_classification_profile_user,abc.classification.profile.user,model_abc_classification_profile,base.group_user,1,0,0,0
+access_abc_classification_profile_manager,abc.classification.profile.manager,model_abc_classification_profile,stock.group_stock_manager,1,1,1,1
+access_abc_classification_level_user,abc.classification.level.user,model_abc_classification_level,base.group_user,1,0,0,0
+access_abc_classification_level_manager,abc.classification.level.manager,model_abc_classification_level,stock.group_stock_manager,1,1,1,1
+access_abc_classification_product_level_user,abc.classification.product.level.user,model_abc_classification_product_level,base.group_user,1,0,0,0
+access_abc_classification_product_level_manager,abc.classification.product.level.manager,model_abc_classification_product_level,stock.group_stock_manager,1,1,0,0
diff --git a/product_abc_classification/static/description/icon.png b/product_abc_classification/static/description/icon.png
new file mode 100644
index 000000000000..3a0328b516c4
Binary files /dev/null and b/product_abc_classification/static/description/icon.png differ
diff --git a/product_abc_classification/static/description/index.html b/product_abc_classification/static/description/index.html
new file mode 100644
index 000000000000..b309d87953d4
--- /dev/null
+++ b/product_abc_classification/static/description/index.html
@@ -0,0 +1,443 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
+<head>
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<meta name="generator" content="Docutils: http://docutils.sourceforge.net/" />
+<title>Product Abc Classification</title>
+<style type="text/css">
+
+/*
+:Author: David Goodger (goodger@python.org)
+:Id: $Id: html4css1.css 7952 2016-07-26 18:15:59Z milde $
+:Copyright: This stylesheet has been placed in the public domain.
+
+Default cascading style sheet for the HTML output of Docutils.
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+
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+
+dl.docutils dd {
+  margin-bottom: 0.5em }
+
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+dl.docutils dt {
+  font-weight: bold }
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+div.abstract {
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+</style>
+</head>
+<body>
+<div class="document" id="product-abc-classification">
+<h1 class="title">Product Abc Classification</h1>
+
+<!-- !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+!! This file is generated by oca-gen-addon-readme !!
+!! changes will be overwritten.                   !!
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! -->
+<p><a class="reference external" href="https://odoo-community.org/page/development-status"><img alt="Beta" src="https://img.shields.io/badge/maturity-Beta-yellow.png" /></a> <a class="reference external" href="http://www.gnu.org/licenses/agpl-3.0-standalone.html"><img alt="License: AGPL-3" src="https://img.shields.io/badge/licence-AGPL--3-blue.png" /></a> <a class="reference external" href="https://github.com/OCA/product-attribute/tree/16.0/product_abc_classification_base"><img alt="OCA/product-attribute" src="https://img.shields.io/badge/github-OCA%2Fproduct--attribute-lightgray.png?logo=github" /></a> <a class="reference external" href="https://translation.odoo-community.org/projects/product-attribute-16-0/product-attribute-16-0-product_abc_classification_base"><img alt="Translate me on Weblate" src="https://img.shields.io/badge/weblate-Translate%20me-F47D42.png" /></a> <a class="reference external" href="https://runbot.odoo-community.org/runbot/135/16.0"><img alt="Try me on Runbot" src="https://img.shields.io/badge/runbot-Try%20me-875A7B.png" /></a></p>
+<p>This modules provides the bases to build ABC analysis (or ABC classification)
+addons. These classification are used by inventory management teams to help
+identify the most important products in their portfolio and ensure they
+prioritize managing them above those less valuable.</p>
+<p>Managers will create a profile with several levels (percentages) and then the
+profiled products will automatically get a corresponding level using the
+ABC classification.</p>
+<p>The addon <em>product_abc_classification_sale_stock</em> defines a computation profile
+based on the number of sale order line delivered by product.</p>
+<p><strong>Table of contents</strong></p>
+<div class="contents local topic" id="contents">
+<ul class="simple">
+<li><a class="reference internal" href="#usage" id="id1">Usage</a></li>
+<li><a class="reference internal" href="#bug-tracker" id="id2">Bug Tracker</a></li>
+<li><a class="reference internal" href="#credits" id="id3">Credits</a><ul>
+<li><a class="reference internal" href="#authors" id="id4">Authors</a></li>
+<li><a class="reference internal" href="#contributors" id="id5">Contributors</a></li>
+<li><a class="reference internal" href="#maintainers" id="id6">Maintainers</a></li>
+</ul>
+</li>
+</ul>
+</div>
+<div class="section" id="usage">
+<h1><a class="toc-backref" href="#id1">Usage</a></h1>
+<p>To use this module, you need to:</p>
+<p>#. Go to Sales or Inventory menu, then to Configuration/Products/ABC Classification Profile
+and create a profile with levels, knowing that the sum of all levels in the profile
+should sum 100 and all the levels should be different.</p>
+<p>#. Later you should go to product categories or product variants, and assign them a profile.
+Then the cron classification will proceed to assign to these products one of the profile’s levels.</p>
+<p>NOTE: If you profile (or unprofile) a product category, then all its
+child categories and products will be profiled (or unprofiled).</p>
+</div>
+<div class="section" id="bug-tracker">
+<h1><a class="toc-backref" href="#id2">Bug Tracker</a></h1>
+<p>Bugs are tracked on <a class="reference external" href="https://github.com/OCA/product-attribute/issues">GitHub Issues</a>.
+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
+<a class="reference external" href="https://github.com/OCA/product-attribute/issues/new?body=module:%20product_abc_classification_base%0Aversion:%2016.0%0A%0A**Steps%20to%20reproduce**%0A-%20...%0A%0A**Current%20behavior**%0A%0A**Expected%20behavior**">feedback</a>.</p>
+<p>Do not contact contributors directly about support or help with technical issues.</p>
+</div>
+<div class="section" id="credits">
+<h1><a class="toc-backref" href="#id3">Credits</a></h1>
+<div class="section" id="authors">
+<h2><a class="toc-backref" href="#id4">Authors</a></h2>
+<ul class="simple">
+<li>ACSONE SA/NV</li>
+<li>ForgeFlow</li>
+</ul>
+</div>
+<div class="section" id="contributors">
+<h2><a class="toc-backref" href="#id5">Contributors</a></h2>
+<ul class="simple">
+<li>Miquel Raïch &lt;<a class="reference external" href="mailto:miquel.raich&#64;eficent.com">miquel.raich&#64;eficent.com</a>&gt;</li>
+<li>Lindsay Marion &lt;<a class="reference external" href="mailto:lindsay.marion&#64;acsone.eu">lindsay.marion&#64;acsone.eu</a>&gt;</li>
+<li>Laurent Mignon &lt;<a class="reference external" href="mailto:laurent.mignon&#64;acsone.eu">laurent.mignon&#64;acsone.eu</a>&gt;</li>
+<li>Denis Roussel &lt;<a class="reference external" href="mailto:denis.roussel&#64;acsone.eu">denis.roussel&#64;acsone.eu</a>&gt;</li>
+</ul>
+</div>
+<div class="section" id="maintainers">
+<h2><a class="toc-backref" href="#id6">Maintainers</a></h2>
+<p>This module is maintained by the OCA.</p>
+<a class="reference external image-reference" href="https://odoo-community.org"><img alt="Odoo Community Association" src="https://odoo-community.org/logo.png" /></a>
+<p>OCA, or the Odoo Community Association, is a nonprofit organization whose
+mission is to support the collaborative development of Odoo features and
+promote its widespread use.</p>
+<p>This module is part of the <a class="reference external" href="https://github.com/OCA/product-attribute/tree/16.0/product_abc_classification_base">OCA/product-attribute</a> project on GitHub.</p>
+<p>You are welcome to contribute. To learn how please visit <a class="reference external" href="https://odoo-community.org/page/Contribute">https://odoo-community.org/page/Contribute</a>.</p>
+</div>
+</div>
+</div>
+</body>
+</html>
diff --git a/product_abc_classification/tests/__init__.py b/product_abc_classification/tests/__init__.py
new file mode 100644
index 000000000000..8292c06ca325
--- /dev/null
+++ b/product_abc_classification/tests/__init__.py
@@ -0,0 +1,3 @@
+from . import test_abc_classification_product_level
+from . import test_abc_classification_profile
+from . import test_product
diff --git a/product_abc_classification/tests/common.py b/product_abc_classification/tests/common.py
new file mode 100644
index 000000000000..d4c24f0cdf40
--- /dev/null
+++ b/product_abc_classification/tests/common.py
@@ -0,0 +1,128 @@
+# Copyright 2021 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo.fields import Command
+from odoo.tests.common import TransactionCase
+
+
+class ABCClassificationCase(TransactionCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.env = cls.env(context=dict(cls.env.context, tracking_disable=True))
+        # add a fake profile_type
+        cls.ABCClassificationProfile = cls.env["abc.classification.profile"]
+        cls.ABCClassificationProfile._fields["profile_type"].selection = [
+            ("test_type", "Test Type")
+        ]
+        cls.classification_profile = cls.ABCClassificationProfile.create(
+            {"name": "Profile test", "profile_type": "test_type"}
+        )
+
+
+class ABCClassificationLevelCase(ABCClassificationCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.classification_profile.write(
+            {
+                "level_ids": [
+                    (
+                        0,
+                        0,
+                        {
+                            "percentage": 60,
+                            "percentage_products": 40,
+                            "name": "a",
+                        },
+                    ),
+                    (
+                        0,
+                        0,
+                        {
+                            "percentage": 40,
+                            "percentage_products": 60,
+                            "name": "b",
+                        },
+                    ),
+                ]
+            }
+        )
+
+        levels = cls.classification_profile.level_ids
+        cls.classification_level_a = levels.filtered(lambda l: l.name == "a")
+        cls.classification_level_b = levels.filtered(lambda l: l.name == "b")
+        cls.classification_profile_bis = cls.ABCClassificationProfile.create(
+            {
+                "name": "Profile test bis",
+                "profile_type": "test_type",
+                "level_ids": [
+                    (
+                        0,
+                        0,
+                        {
+                            "percentage": 80,
+                            "percentage_products": 40,
+                            "name": "a",
+                        },
+                    ),
+                    (
+                        0,
+                        0,
+                        {
+                            "percentage": 20,
+                            "percentage_products": 60,
+                            "name": "b",
+                        },
+                    ),
+                ],
+            }
+        )
+        levels = cls.classification_profile_bis.level_ids
+        cls.classification_level_bis_a = levels.filtered(lambda l: l.name == "a")
+
+        cls.classification_level_bis_b = levels.filtered(lambda l: l.name == "b")
+        # create a template with one variant adn declare attributes to create
+        # an other variant on demand
+        cls.size_attr = cls.env["product.attribute"].create(
+            {
+                "name": "Size",
+                "create_variant": "no_variant",
+                "value_ids": [(0, 0, {"name": "S"}), (0, 0, {"name": "M"})],
+            }
+        )
+        cls.size_attr_value_s = cls.size_attr.value_ids[0]
+        cls.size_attr_value_m = cls.size_attr.value_ids[1]
+        cls.uom_unit = cls.env.ref("uom.product_uom_unit")
+        cls.product_template = cls.env["product.template"].create(
+            {
+                "name": "Test sized",
+                "uom_id": cls.uom_unit.id,
+                "uom_po_id": cls.uom_unit.id,
+                "attribute_line_ids": [
+                    (
+                        0,
+                        0,
+                        {
+                            "attribute_id": cls.size_attr.id,
+                            "value_ids": [(6, 0, cls.size_attr.value_ids.ids)],
+                        },
+                    )
+                ],
+            }
+        )
+        cls.product_product = cls.product_template.product_variant_ids
+        cls.ProductLevel = cls.env["abc.classification.product.level"]
+
+    @classmethod
+    def _create_variant(cls, size_value):
+        return cls.env["product.product"].create(
+            {
+                "product_tmpl_id": cls.product_template.id,
+                "product_template_attribute_value_ids": [
+                    Command.set(
+                        size_value.pav_attribute_line_ids.product_template_value_ids.ids
+                    )
+                ],
+            }
+        )
diff --git a/product_abc_classification/tests/test_abc_classification_product_level.py b/product_abc_classification/tests/test_abc_classification_product_level.py
new file mode 100644
index 000000000000..9b2db6df8722
--- /dev/null
+++ b/product_abc_classification/tests/test_abc_classification_product_level.py
@@ -0,0 +1,363 @@
+# Copyright 2021 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from psycopg2 import IntegrityError
+
+from odoo.exceptions import ValidationError
+
+from .common import ABCClassificationLevelCase
+
+
+class TestABCClassificationProductLevel(ABCClassificationLevelCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+        cls.product_1 = cls.env["product.product"].create(
+            {
+                "name": "Test 1",
+                "uom_id": cls.uom_unit.id,
+                "uom_po_id": cls.uom_unit.id,
+            }
+        )
+        cls.product_level = cls.ProductLevel.create(
+            {
+                "product_id": cls.product_product.id,
+                "computed_level_id": cls.classification_level_a.id,
+                "profile_id": cls.classification_profile.id,
+            }
+        )
+
+    @classmethod
+    def _create_product_levels(cls):
+        product_2 = cls.env["product.product"].create(
+            {
+                "name": "Test 2",
+                "uom_id": cls.uom_unit.id,
+                "uom_po_id": cls.uom_unit.id,
+            }
+        )
+
+        product_3 = cls.env["product.product"].create(
+            {
+                "name": "Test 3",
+                "uom_id": cls.uom_unit.id,
+                "uom_po_id": cls.uom_unit.id,
+            }
+        )
+        cls.ProductLevel.create(
+            {
+                "product_id": product_2.id,
+                "manual_level_id": cls.classification_level_b.id,
+                "computed_level_id": cls.classification_level_a.id,
+                "profile_id": cls.classification_profile.id,
+            }
+        )
+        cls.ProductLevel.create(
+            {
+                "product_id": product_3.id,
+                "manual_level_id": cls.classification_level_b.id,
+                "computed_level_id": cls.classification_level_a.id,
+                "profile_id": cls.classification_profile.id,
+            }
+        )
+
+    def test_00(self):
+        """
+        Test case:
+            Create a classification product level with only a computed_level_id
+        Expected result:
+            A instance is created with:
+             * the manual_level_id and level_id set
+             * flag is False since manual and computd are the same
+
+        """
+        level = self.ProductLevel.create(
+            {
+                "product_id": self.product_1.id,
+                "computed_level_id": self.classification_level_a.id,
+                "profile_id": self.classification_profile.id,
+            }
+        )
+        self.assertEqual(level.manual_level_id, self.classification_level_a)
+        self.assertEqual(level.level_id, self.classification_level_a)
+        self.assertFalse(level.flag)
+
+    def test_01(self):
+        """
+        Test case:
+            Create product level with only a manual level
+
+            A creation if a product level is created without computed value
+            the computed value is never taken into account
+        Expected result:
+            A new level is create with:
+            * computed_level_id = False
+            * level_id = manual_level_id
+            * flag = False
+        """
+        level = self.ProductLevel.create(
+            {
+                "product_id": self.product_1.id,
+                "manual_level_id": self.classification_level_a.id,
+                "profile_id": self.classification_profile.id,
+            }
+        )
+        self.assertFalse(level.computed_level_id)
+        self.assertEqual(level.manual_level_id, self.classification_level_a)
+        self.assertEqual(level.level_id, self.classification_level_a)
+        self.assertFalse(level.flag)
+
+    def test_02(self):
+        """
+        Data:
+            An existing classification level with computed = manual
+        Test case:
+            1. Change manual_level_id to an other value than the computed one
+            2. Reset manual_level_id to the computed one
+        Expected result:
+            1. level_id === manual =! computed and flag is true
+            2  level_id == manual == computed and flag is true
+            ValidationError
+        """
+        self.assertFalse(self.product_level.flag)
+        self.assertEqual(
+            self.product_level.manual_level_id,
+            self.product_level.computed_level_id,
+        )
+        self.assertEqual(
+            self.product_level.computed_level_id, self.classification_level_a
+        )
+        self.assertEqual(self.product_level.level_id, self.classification_level_a)
+        # 1
+        self.product_level.manual_level_id = self.classification_level_b
+        self.assertEqual(self.product_level.level_id, self.classification_level_b)
+        self.assertTrue(self.product_level.flag)
+        # 2
+        self.product_level.manual_level_id = self.product_level.computed_level_id
+        self.assertEqual(self.product_level.level_id, self.classification_level_a)
+        self.assertFalse(self.product_level.flag)
+
+    def test_03(self):
+        """
+        Data:
+            An existing product level
+        Test case:
+            Create a new product level for the same product and the same profile
+        Expected result:
+            IntegrityError (level name must be unique by profile and product)
+        """
+        with self.assertRaises(IntegrityError):
+            self.ProductLevel.create(
+                {
+                    "product_id": self.product_product.id,
+                    "computed_level_id": self.classification_level_a.id,
+                    "profile_id": self.classification_profile.id,
+                }
+            )
+
+    def test_04(self):
+        """
+        Data:
+            An existing product level
+        Test case:
+            1. Link a manual level from an other profile
+            2. Link a computed level from an other profile
+        Expected result:
+            1. and 2. Validation error (All the levels must share the same
+            profile as the one on the product level)
+        """
+        with self.assertRaises(ValidationError), self.env.cr.savepoint():
+            self.product_level.write(
+                {
+                    "manual_level_id": self.classification_level_b.id,
+                    "computed_level_id": self.classification_level_bis_a.id,
+                }
+            )
+        with self.assertRaises(ValidationError), self.env.cr.savepoint():
+            self.product_level.write(
+                {
+                    "manual_level_id": self.classification_level_bis_a.id,
+                    "computed_level_id": self.classification_level_a.id,
+                }
+            )
+        self.product_level.write(
+            {
+                "manual_level_id": self.classification_level_bis_a.id,
+                "computed_level_id": self.classification_level_bis_a.id,
+                "profile_id": self.classification_profile_bis.id,
+            }
+        )
+
+    def test_05(self):
+        """
+        Test case:
+            Create a product level without computed nor manual level
+        Expected result:
+            Validation error (at least a value for one of these fields is
+            expected)
+        """
+        with self.assertRaises(ValidationError):
+            self.ProductLevel.create(
+                {
+                    "product_id": self.product_1.id,
+                    "profile_id": self.classification_profile.id,
+                }
+            )
+
+    def test_06_update_product_level_with_auto_compute(self):
+        self.classification_profile_bis.auto_apply_computed_value = True
+        self.product_level.write(
+            {
+                "computed_level_id": self.classification_level_bis_a.id,
+                "profile_id": self.classification_profile_bis.id,
+            }
+        )
+
+        self.assertEqual(
+            self.product_level.manual_level_id,
+            self.product_level.computed_level_id,
+        )
+        self.assertEqual(
+            self.product_level.computed_level_id, self.classification_level_bis_a
+        )
+        self.assertEqual(self.product_level.level_id, self.classification_level_bis_a)
+
+        self.product_level.write(
+            {
+                "computed_level_id": self.classification_level_bis_b.id,
+            }
+        )
+        self.assertEqual(
+            self.product_level.manual_level_id,
+            self.product_level.computed_level_id,
+        )
+        self.assertEqual(
+            self.product_level.computed_level_id, self.classification_level_bis_b
+        )
+        self.assertEqual(self.product_level.level_id, self.classification_level_bis_b)
+
+    def test_07_update_product_level_without_auto_compute(self):
+        self.classification_profile.auto_apply_computed_value = False
+        self.product_level.write(
+            {
+                "manual_level_id": self.classification_level_b.id,
+                "computed_level_id": self.classification_level_a.id,
+                "profile_id": self.classification_profile.id,
+            }
+        )
+
+        self.assertNotEqual(
+            self.product_level.manual_level_id,
+            self.product_level.computed_level_id,
+        )
+        self.assertEqual(
+            self.product_level.computed_level_id, self.classification_level_a
+        )
+        self.assertEqual(
+            self.product_level.manual_level_id, self.classification_level_b
+        )
+        self.assertEqual(self.product_level.level_id, self.classification_level_b)
+
+        self.product_level.write(
+            {
+                "manual_level_id": self.classification_level_a.id,
+                "computed_level_id": self.classification_level_b.id,
+            }
+        )
+
+        self.assertNotEqual(
+            self.product_level.manual_level_id,
+            self.product_level.computed_level_id,
+        )
+        self.assertEqual(
+            self.product_level.computed_level_id, self.classification_level_b
+        )
+        self.assertEqual(
+            self.product_level.manual_level_id, self.classification_level_a
+        )
+        self.assertEqual(self.product_level.level_id, self.classification_level_a)
+
+    def test_08_update_recordset_with__autocompute(self):
+        self._create_product_levels()
+        self.classification_profile.auto_apply_computed_value = True
+
+        levels = self.ProductLevel.search(
+            [("profile_id", "=", self.classification_profile.id)]
+        )
+        levels.write(
+            {
+                "manual_level_id": self.classification_level_a.id,
+                "computed_level_id": self.classification_level_b.id,
+            }
+        )
+
+        for level in levels:
+            self.assertEqual(level.manual_level_id, level.computed_level_id)
+            self.assertEqual(level.manual_level_id, self.classification_level_b)
+            self.assertEqual(level.computed_level_id, self.classification_level_b)
+            self.assertEqual(level.level_id, self.classification_level_b)
+
+    def test_09_update_recordset_and_change_profile(self):
+        self._create_product_levels()
+        self.classification_profile_bis.auto_apply_computed_value = True
+
+        levels = self.ProductLevel.search(
+            [("profile_id", "=", self.classification_profile.id)]
+        )
+        levels.write(
+            {
+                "computed_level_id": self.classification_level_bis_a.id,
+                "profile_id": self.classification_profile_bis.id,
+            }
+        )
+
+        for level in levels:
+            self.assertEqual(level.manual_level_id, level.computed_level_id)
+            self.assertEqual(level.manual_level_id, self.classification_level_bis_a)
+            self.assertEqual(level.computed_level_id, self.classification_level_bis_a)
+            self.assertEqual(level.level_id, self.classification_level_bis_a)
+
+    def test_10_create_product_level_for_profile_auto_assign(self):
+        self.classification_profile.auto_apply_computed_value = True
+        level = self.ProductLevel.create(
+            {
+                "product_id": self.product_1.id,
+                "manual_level_id": self.classification_level_b.id,
+                "computed_level_id": self.classification_level_a.id,
+                "profile_id": self.classification_profile.id,
+            }
+        )
+        self.assertEqual(level.manual_level_id, level.computed_level_id)
+        self.assertEqual(level.manual_level_id, self.classification_level_a)
+        self.assertEqual(level.computed_level_id, self.classification_level_a)
+        self.assertEqual(level.level_id, self.classification_level_a)
+
+    def test_11_auto_apply_computed_level(self):
+        self._create_product_levels()
+
+        levels = self.ProductLevel.search(
+            [("profile_id", "=", self.classification_profile.id)]
+        )
+        level0 = levels[0]
+        level1 = levels[1]
+        level2 = levels[2]
+        self.assertEqual(level0.manual_level_id, level0.computed_level_id)
+        self.assertEqual(level0.manual_level_id, self.classification_level_a)
+        self.assertEqual(level0.computed_level_id, self.classification_level_a)
+        self.assertEqual(level0.level_id, self.classification_level_a)
+
+        self.assertNotEqual(level1.manual_level_id, level1.computed_level_id)
+        self.assertEqual(level1.manual_level_id, self.classification_level_b)
+        self.assertEqual(level1.computed_level_id, self.classification_level_a)
+        self.assertEqual(level1.level_id, self.classification_level_b)
+
+        self.assertNotEqual(level2.manual_level_id, level2.computed_level_id)
+        self.assertEqual(level2.manual_level_id, self.classification_level_b)
+        self.assertEqual(level2.computed_level_id, self.classification_level_a)
+        self.assertEqual(level2.level_id, self.classification_level_b)
+
+        self.classification_profile.auto_apply_computed_value = True
+        for level in levels:
+            self.assertEqual(level.manual_level_id, self.classification_level_a)
+            self.assertEqual(level.computed_level_id, self.classification_level_a)
+            self.assertEqual(level.level_id, self.classification_level_a)
diff --git a/product_abc_classification/tests/test_abc_classification_profile.py b/product_abc_classification/tests/test_abc_classification_profile.py
new file mode 100644
index 000000000000..68044ba97bfe
--- /dev/null
+++ b/product_abc_classification/tests/test_abc_classification_profile.py
@@ -0,0 +1,303 @@
+# Copyright 2021 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from psycopg2 import IntegrityError
+
+from odoo.exceptions import ValidationError
+from odoo.tools.misc import mute_logger
+
+from .common import ABCClassificationCase
+
+
+class TestABCClassificationProfile(ABCClassificationCase):
+    def test_00(self):
+        """
+        Data:
+            A test profile
+        Test case:
+            Assign levels for a total of 100%
+        Expected result:
+            OK
+        """
+        self.classification_profile.write(
+            {
+                "level_ids": [
+                    (
+                        0,
+                        0,
+                        {
+                            "percentage": 60,
+                            "percentage_products": 40,
+                            "name": "A",
+                        },
+                    ),
+                    (
+                        0,
+                        0,
+                        {
+                            "percentage": 40,
+                            "percentage_products": 60,
+                            "name": "B",
+                        },
+                    ),
+                ]
+            }
+        )
+        self.assertEqual(len(self.classification_profile.level_ids), 2)
+
+    def test_01(self):
+        """
+        Data:
+            A test profile
+        Test case:
+            Assign levels for a total < 100%
+        Expected result:
+            ValidationError
+        """
+        with self.assertRaises(ValidationError):
+            self.classification_profile.write(
+                {
+                    "level_ids": [
+                        (
+                            0,
+                            0,
+                            {
+                                "percentage": 60,
+                                "percentage_products": 40,
+                                "name": "A",
+                            },
+                        ),
+                        (
+                            0,
+                            0,
+                            {
+                                "percentage": 30,
+                                "percentage_products": 60,
+                                "name": "B",
+                            },
+                        ),
+                    ]
+                }
+            )
+
+    def test_02(self):
+        """
+        Data:
+            A test profile
+        Test case:
+            Assign levels for a total > 100%
+        Expected result:
+            ValidationError
+        """
+        with self.assertRaises(ValidationError):
+            self.classification_profile.write(
+                {
+                    "level_ids": [
+                        (
+                            0,
+                            0,
+                            {
+                                "percentage": 60,
+                                "percentage_products": 40,
+                                "name": "A",
+                            },
+                        ),
+                        (
+                            0,
+                            0,
+                            {
+                                "percentage": 50,
+                                "percentage_products": 60,
+                                "name": "B",
+                            },
+                        ),
+                    ]
+                }
+            )
+
+    def test_03(self):
+        """
+        Data:
+            A test profile
+        Test case:
+            Assign levels for a total = 100% but with same percentage
+        Expected result:
+            ValidationError
+        """
+        with self.assertRaises(ValidationError):
+            self.classification_profile.write(
+                {
+                    "level_ids": [
+                        (
+                            0,
+                            0,
+                            {
+                                "percentage": 50,
+                                "percentage_products": 40,
+                                "name": "A",
+                            },
+                        ),
+                        (
+                            0,
+                            0,
+                            {
+                                "percentage": 50,
+                                "percentage_products": 60,
+                                "name": "B",
+                            },
+                        ),
+                    ]
+                }
+            )
+
+    def test_04(self):
+        """
+        Data:
+            A test profile
+        Test case:
+            Assign levels for a total = 100% but with one level with negative
+            percentage and one level exceeding 100%
+        Expected result:
+            ValidationError
+        """
+        with self.assertRaises(ValidationError):
+            self.classification_profile.write(
+                {
+                    "level_ids": [
+                        (
+                            0,
+                            0,
+                            {
+                                "percentage": 150,
+                                "percentage_products": 40,
+                                "name": "A",
+                            },
+                        ),
+                        (
+                            0,
+                            0,
+                            {
+                                "percentage": -50,
+                                "percentage_products": 60,
+                                "name": "B",
+                            },
+                        ),
+                    ]
+                }
+            )
+
+    @mute_logger("odoo.sql_db")
+    def test_05(self):
+        """
+        Data:
+            A test profile
+        Test case:
+            Assign levels for a total = 100% but with same name
+        Expected result:
+            IntegrityError (level name must be unique by profile)
+        """
+        with self.assertRaises(IntegrityError):
+            self.classification_profile.write(
+                {
+                    "level_ids": [
+                        (
+                            0,
+                            0,
+                            {
+                                "percentage": 60,
+                                "percentage_products": 40,
+                                "name": "A",
+                            },
+                        ),
+                        (
+                            0,
+                            0,
+                            {
+                                "percentage": 40,
+                                "percentage_products": 60,
+                                "name": "A",
+                            },
+                        ),
+                    ]
+                }
+            )
+
+    def test_06(self):
+        """
+        Data:
+            A test profile with 2 levels A and B
+        Test case:
+             Create a new profile with the same level name
+        Expected result:
+            Profile created without error since the level name is unique by
+            profile
+        """
+        self.classification_profile.write(
+            {
+                "level_ids": [
+                    (
+                        0,
+                        0,
+                        {
+                            "percentage": 60,
+                            "percentage_products": 40,
+                            "name": "A",
+                        },
+                    ),
+                    (
+                        0,
+                        0,
+                        {
+                            "percentage": 40,
+                            "percentage_products": 60,
+                            "name": "B",
+                        },
+                    ),
+                ]
+            }
+        )
+        new_profile = self.ABCClassificationProfile.create(
+            {
+                "name": "New Profile test",
+                "profile_type": "test_type",
+                "level_ids": [
+                    (
+                        0,
+                        0,
+                        {
+                            "percentage": 60,
+                            "percentage_products": 40,
+                            "name": "A",
+                        },
+                    ),
+                    (
+                        0,
+                        0,
+                        {
+                            "percentage": 40,
+                            "percentage_products": 60,
+                            "name": "B",
+                        },
+                    ),
+                ],
+            }
+        )
+        self.assertTrue(new_profile)
+
+    @mute_logger("odoo.sql_db")
+    def test_07(self):
+        """
+        Data:
+            A test profile
+        Test case:
+            Create a new profile with the same name
+        Expected result:
+            IntegrityError (profile name must be unique by profile)
+        """
+        with self.assertRaises(IntegrityError):
+            self.ABCClassificationProfile.create(
+                {
+                    "name": self.classification_profile.name,
+                    "profile_type": "test_type",
+                }
+            )
diff --git a/product_abc_classification/tests/test_product.py b/product_abc_classification/tests/test_product.py
new file mode 100644
index 000000000000..add08143a4a3
--- /dev/null
+++ b/product_abc_classification/tests/test_product.py
@@ -0,0 +1,139 @@
+# Copyright 2021 ACSONE SA/NV
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from .common import ABCClassificationLevelCase
+
+
+class TestProduct(ABCClassificationLevelCase):
+    @classmethod
+    def setUpClass(cls):
+        super().setUpClass()
+
+    def test_00(self):
+        """
+        Data:
+            A product template with one variant.
+        Test Case:
+            1. Associate a classification profile to the template
+            2. Unset the classifiation profile
+        Expected:
+            1. The classification profile is also associated to the variant
+            2. The classification profile no more associated to the variant
+        """
+        self.assertFalse(self.product_template.abc_classification_profile_ids)
+        self.assertFalse(self.product_product.abc_classification_profile_ids)
+        # 1
+        self.product_template.abc_classification_profile_ids = (
+            self.classification_profile
+        )
+        self.assertEqual(
+            self.product_product.abc_classification_profile_ids,
+            self.classification_profile,
+        )
+        # 2
+        self.product_template.abc_classification_profile_ids = False
+        self.assertFalse(self.product_product.abc_classification_profile_ids)
+
+    def test_01(self):
+        """
+        Data:
+            A product template with two variants (without profiles).
+        Test Case:
+            1. Associate a classification profile to the template
+        Expected:
+            The classification profile is not associated to the variant
+        """
+        self._create_variant(self.size_attr_value_m)
+        variants = self.product_template.product_variant_ids
+        self.assertEqual(len(variants), 2)
+        self.assertFalse(variants.mapped("abc_classification_profile_ids"))
+        self.product_template.abc_classification_profile_ids = (
+            self.classification_profile
+        )
+        self.assertFalse(variants.mapped("abc_classification_profile_ids"))
+
+    def test_02(self):
+        """
+        Data:
+            A product template with one variant
+        Test Case:
+            1 Associate a product level to the variant
+            2 unlink the level
+        Expected result:
+            1 The product level is also associated to the template
+            2 No more level associated to the template
+        """
+        product_level = self.ProductLevel.create(
+            {
+                "product_id": self.product_product.id,
+                "computed_level_id": self.classification_level_a.id,
+                "profile_id": self.classification_profile.id,
+            }
+        )
+        self.assertEqual(
+            self.product_product.abc_classification_product_level_ids,
+            product_level,
+        )
+        self.assertEqual(
+            self.product_template.abc_classification_product_level_ids,
+            product_level,
+        )
+        product_level.unlink()
+
+        self.assertFalse(self.product_product.abc_classification_product_level_ids)
+        self.assertFalse(self.product_template.abc_classification_product_level_ids)
+
+    def test_03(self):
+        """
+        Data:
+            A product template with two variants
+        Test Case:
+            Associate a product level to one variant
+        Expected result:
+            The product level is not associated to the template
+        """
+        new_variant = self._create_variant(self.size_attr_value_m)
+        variants = self.product_template.product_variant_ids
+        self.assertEqual(len(variants), 2)
+        product_level = self.ProductLevel.create(
+            {
+                "product_id": new_variant.id,
+                "computed_level_id": self.classification_level_a.id,
+                "profile_id": self.classification_profile.id,
+            }
+        )
+        self.assertEqual(
+            new_variant.abc_classification_product_level_ids,
+            product_level,
+        )
+        self.assertFalse(self.product_template.abc_classification_product_level_ids)
+
+    def test_04(self):
+        """
+        Data:
+            A product template
+        Test case:
+            Check if resource id in action is the product variant one
+        """
+        self.product_template.abc_classification_profile_ids = (
+            self.classification_profile
+        )
+        action = self.classification_profile.action_view_products()
+        self.assertEqual(action["res_id"], self.product_template.product_variant_ids.id)
+
+    def test_05(self):
+        """
+        Data:
+            A product template with two variants
+        Test case:
+            Check if doamin in action is the product variants ids
+        """
+        self._create_variant(self.size_attr_value_m)
+        self.product_template.product_variant_ids.abc_classification_profile_ids = (
+            self.classification_profile
+        )
+        action = self.classification_profile.action_view_products()
+        self.assertEqual(
+            action["domain"],
+            [("id", "in", self.product_template.product_variant_ids.ids)],
+        )
diff --git a/product_abc_classification/views/abc_classification_product_level.xml b/product_abc_classification/views/abc_classification_product_level.xml
new file mode 100644
index 000000000000..71ac10979bd2
--- /dev/null
+++ b/product_abc_classification/views/abc_classification_product_level.xml
@@ -0,0 +1,101 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- Copyright 2020 ForgeFlow
+     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
+<odoo>
+  <record id="abc_classification_product_level_form_view" model="ir.ui.view">
+    <field
+            name="name"
+        >abc.classification.product.level.form (in product_abc_classification)</field>
+    <field name="model">abc.classification.product.level</field>
+    <field name="arch" type="xml">
+      <form string="ABC Classification Product Level">
+        <sheet>
+            <div
+                        class="alert alert-danger"
+                        role="alert"
+                        attrs="{'invisible': [('flag','=',False)]}"
+                    >Computed level differs from the specified level</div>
+          <group name="main_info">
+            <field name="display_name" />
+            <field name="allowed_profile_ids" invisible="1" />
+            <field
+                            name="profile_id"
+                            domain="[('id', 'in', allowed_profile_ids and allowed_profile_ids[0] and allowed_profile_ids[0][2] or False)]"
+                        />
+            <field name="product_id" />
+            <field name="product_tmpl_id" invisible="1" />
+            <field name="computed_level_id" />
+            <field name="level_id" />
+            <field name="manual_level_id" class="oe_edit_only" />
+            <field name="flag" invisible="1" />
+            <field name="profile_type" invisible="1" />
+          </group>
+        </sheet>
+        <div class="oe_chatter">
+          <field name="message_follower_ids" widget="mail_followers" />
+          <field name="message_ids" widget="mail_thread" />
+        </div>
+      </form>
+    </field>
+  </record>
+  <record id="abc_classification_product_level_tree_view" model="ir.ui.view">
+    <field
+            name="name"
+        >abc.classification.product.level.tree (in product_abc_classification)</field>
+    <field name="model">abc.classification.product.level</field>
+    <field name="arch" type="xml">
+      <tree decoration-danger="flag == True" editable="bottom">
+        <field name="profile_id" invisible="1" />
+        <field name="product_id" />
+        <field name="manual_level_id" />
+        <field name="computed_level_id" />
+        <field name="flag" invisible="1" />
+      </tree>
+    </field>
+  </record>
+  <record model="ir.ui.view" id="abc_classification_product_level_search_view">
+    <field
+            name="name"
+        >abc.classification.product.level.search (in product_abc_classification)</field>
+    <field name="model">abc.classification.product.level</field>
+    <field name="arch" type="xml">
+        <search string="Abc classification">
+            <field name="product_id" />
+            <field name="level_id" string="Level" />
+            <field name="profile_id" string="Profile" />
+            <separator />
+            <filter
+                    string="Classification not in sync with computed"
+                    name="has_flag"
+                    domain="[('flag','=',True)]"
+                />
+            <group expand="1" string="Group By">
+                <filter
+                        string="Level"
+                        name="group_by_level"
+                        domain="[]"
+                        context="{'group_by':'level_id'}"
+                    />
+                <filter
+                        string="Profile"
+                        name="group_by_profile"
+                        domain="[]"
+                        context="{'group_by':'profile_id'}"
+                    />
+            </group>
+        </search>
+    </field>
+  </record>
+  <record id="abc_classification_product_level_action" model="ir.actions.act_window">
+    <field name="name">Products ABC Classification</field>
+    <field name="res_model">abc.classification.product.level</field>
+    <field name="view_mode">tree,form</field>
+    <field name="context">{'search_default_group_by_level': 1}</field>
+  </record>
+  <menuitem
+        action="abc_classification_product_level_action"
+        id="menu_abc_classification_product_level_config_stock"
+        parent="stock.menu_stock_inventory_control"
+        sequence="99"
+    />
+</odoo>
diff --git a/product_abc_classification/views/abc_classification_profile.xml b/product_abc_classification/views/abc_classification_profile.xml
new file mode 100644
index 000000000000..89b078b40dac
--- /dev/null
+++ b/product_abc_classification/views/abc_classification_profile.xml
@@ -0,0 +1,85 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!-- Copyright 2020 ForgeFlow
+     License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl). -->
+<odoo>
+    <record id="abc_classification_profile_form_view" model="ir.ui.view">
+        <field
+            name="name"
+        >abc.classification.profile.form (in product_abc_classification)</field>
+        <field name="model">abc.classification.profile</field>
+        <field name="arch" type="xml">
+            <form string="ABC Profile">
+                <sheet>
+                    <div class="oe_button_box" name="button_box">
+                        <button
+                            name="action_view_products"
+                            type="object"
+                            class="oe_stat_button"
+                            icon="fa-cubes"
+                        >
+                            <field
+                                name="product_count"
+                                widget="statinfo"
+                                string="Products"
+                            />
+                        </button>
+                    </div>
+                    <div class="oe_title">
+                        <h1>
+                            <field name="name" placeholder="e.g. Sale Profile" />
+                        </h1>
+                    </div>
+                    <group>
+                        <group name="information" string="Profile Information">
+                            <field name="profile_type" />
+                        </group>
+                        <group name="computation" string="Computation">
+                            <field name="period" />
+                            <field name="auto_apply_computed_value" />
+                        </group>
+
+                    </group>
+                    <notebook>
+                        <page name="levels" string="Levels">
+                            <field name="level_ids">
+                                <tree editable="bottom">
+                                    <field name="name" />
+                                    <field name="percentage_products" />
+                                    <field name="percentage" />
+                                </tree>
+                            </field>
+                        </page>
+                        <page name="additional" string="Additional Information">
+                            <group>
+                                <group />
+                                <group />
+                            </group>
+                        </page>
+                    </notebook>
+                </sheet>
+            </form>
+        </field>
+    </record>
+    <record id="abc_classification_profile_tree_view" model="ir.ui.view">
+        <field
+            name="name"
+        >abc.classification.profile.tree (in product_abc_classification)</field>
+        <field name="model">abc.classification.profile</field>
+        <field name="arch" type="xml">
+            <tree>
+                <field name="name" />
+            </tree>
+        </field>
+    </record>
+    <record id="abc_classification_profile_action" model="ir.actions.act_window">
+        <field name="name">ABC Classification profiles</field>
+        <field name="res_model">abc.classification.profile</field>
+        <field name="view_mode">tree,form</field>
+    </record>
+    <menuitem
+        action="abc_classification_profile_action"
+        id="menu_abc_classification_profile_config_stock"
+        parent="stock.menu_product_in_config_stock"
+        sequence="10"
+    />
+</odoo>
diff --git a/product_abc_classification/views/product_product.xml b/product_abc_classification/views/product_product.xml
new file mode 100644
index 000000000000..b6b19dc26ca6
--- /dev/null
+++ b/product_abc_classification/views/product_product.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!-- Copyright 2021 ACSONE SA/NV
+     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
+<odoo>
+  <record id="product_product_form_view" model="ir.ui.view">
+    <field name="name">product.product.form (ABC Classification)</field>
+    <field name="model">product.product</field>
+    <field name="inherit_id" ref="product.product_normal_form_view" />
+    <field name="arch" type="xml">
+      <field name="abc_classification_product_level_ids" position="attributes">
+          <attribute
+                    name="context"
+                >{'default_product_id': active_id, 'default_profile_id': abc_classification_profile_ids and abc_classification_profile_ids[0] or False}</attribute>
+          <attribute name="attrs">{'read_only': False}</attribute>
+          <attribute name="domain">[('product_id', '=', active_id)]</attribute>
+      </field>
+    </field>
+  </record>
+</odoo>
diff --git a/product_abc_classification/views/product_template.xml b/product_abc_classification/views/product_template.xml
new file mode 100644
index 000000000000..2f2873568fc7
--- /dev/null
+++ b/product_abc_classification/views/product_template.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<!-- Copyright 2021 ACSONE SA/NV
+     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). -->
+<odoo>
+  <record id="product_template_form_view" model="ir.ui.view">
+    <field name="name">product.template.form (ABC Classification)</field>
+    <field name="model">product.template</field>
+    <field name="inherit_id" ref="product.product_template_form_view" />
+    <field name="arch" type="xml">
+      <xpath expr="//notebook" position="inside">
+        <page
+                    string="ABC Classification"
+                    name="abc_classification"
+                    attrs="{'invisible':[('type','!=','product')]}"
+                >
+          <group>
+            <group>
+              <field
+                                name="abc_classification_product_level_ids"
+                                widget="many2many_tags"
+                                context="{'default_product_tmpl_id': active_id, 'default_profile_id': abc_classification_profile_ids and abc_classification_profile_ids[0] or False}"
+                                attrs="{'readonly': [('product_variant_count', '&gt;', 1)]}"
+                                domain="[('product_tmpl_id', '=', active_id)]"
+                            />
+              <field name="abc_classification_profile_ids" widget="many2many_tags" />
+            </group>
+          </group>
+        </page>
+      </xpath>
+    </field>
+  </record>
+</odoo>
diff --git a/setup/product_abc_classification/odoo/addons/product_abc_classification b/setup/product_abc_classification/odoo/addons/product_abc_classification
new file mode 120000
index 000000000000..8571d22e4ad8
--- /dev/null
+++ b/setup/product_abc_classification/odoo/addons/product_abc_classification
@@ -0,0 +1 @@
+../../../../product_abc_classification
\ No newline at end of file
diff --git a/setup/product_abc_classification/setup.py b/setup/product_abc_classification/setup.py
new file mode 100644
index 000000000000..28c57bb64031
--- /dev/null
+++ b/setup/product_abc_classification/setup.py
@@ -0,0 +1,6 @@
+import setuptools
+
+setuptools.setup(
+    setup_requires=['setuptools-odoo'],
+    odoo_addon=True,
+)