[19.0][ADD] product_uom_packaging: replaces removed product.packaging

product_uom_packaging/README.rst

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+.. image:: https://odoo-community.org/readme-banner-image
+   :target: https://odoo-community.org/get-involved?utm_source=readme
+   :alt: Odoo Community Association
+
+=====================
+Product UoM Packaging
+=====================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! This file is generated by oca-gen-addon-readme !!
+   !! changes will be overwritten.                   !!
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! source digest: sha256:78154503ae387e6d2fb01e10858678bea98a026add6ae6b94ccc2d4dd69c8737
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+.. |badge1| image:: https://img.shields.io/badge/maturity-Alpha-red.png
+    :target: https://odoo-community.org/page/development-status
+    :alt: Alpha
+.. |badge2| image:: https://img.shields.io/badge/license-LGPL--3-blue.png
+    :target: http://www.gnu.org/licenses/lgpl-3.0-standalone.html
+    :alt: License: LGPL-3
+.. |badge3| image:: https://img.shields.io/badge/github-OCA%2Fproduct--attribute-lightgray.png?logo=github
+    :target: https://github.com/OCA/product-attribute/tree/19.0/product_uom_packaging
+    :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-19-0/product-attribute-19-0-product_uom_packaging
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
+    :target: https://runboat.odoo-community.org/builds?repo=OCA/product-attribute&target_branch=19.0
+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+This module provides a bridge between products, units of measure, and
+package types.
+
+In Odoo 19, the ``product.packaging`` model was removed and packaging
+functionality was merged into the UoM system. However, UoMs are shared
+across products, which means you cannot specify product-specific package
+dimensions.
+
+This module introduces a ``product.uom.packaging`` model that allows you
+to:
+
+- Define which package type (with physical dimensions) applies to a
+  specific product when sold/purchased in a specific UoM
+- For example: "Product A in a 12-pack uses a 12x12x12 box" while
+  "Product B in a 12-pack uses a 6x12x8 box"
+
+The package type (from ``stock.package.type``) provides:
+
+- Physical dimensions (length, width, height)
+- Weight limits (base weight, max weight)
+- Barcode for the package type
+
+.. IMPORTANT::
+   This is an alpha version, the data model and design can change at any time without warning.
+   Only for development or testing purpose, do not use in production.
+   `More details on development status <https://odoo-community.org/page/development-status>`_
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+1. Go to Inventory > Configuration > Products > Product UoM Packaging
+2. Create a new record linking a product to a UoM and optionally a
+   package type
+3. The package type defines the physical dimensions used when the
+   product is packaged in that UoM
+
+Alternatively, this information can be managed directly from the product
+form (requires extending the product views, which may be done in a
+separate module).
+
+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 to smash it by providing a detailed and welcomed
+`feedback <https://github.com/OCA/product-attribute/issues/new?body=module:%20product_uom_packaging%0Aversion:%2019.0%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
+-------
+
+* Bemade Inc.
+
+Contributors
+------------
+
+- Marc Durepos marc@bemade.org, Bemade Inc.
+
+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.
+
+.. |maintainer-mdurepos| image:: https://github.com/mdurepos.png?size=40px
+    :target: https://github.com/mdurepos
+    :alt: mdurepos
+
+Current `maintainer <https://odoo-community.org/page/maintainer-role>`__:
+
+|maintainer-mdurepos| 
+
+This module is part of the `OCA/product-attribute <https://github.com/OCA/product-attribute/tree/19.0/product_uom_packaging>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

product_uom_packaging/__init__.py

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+from . import models

product_uom_packaging/__manifest__.py

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+# Copyright 2025 Bemade Inc.
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl).
+
+{
+    "name": "Product UoM Packaging",
+    "summary": """
+        Link products to UoMs with package type for dimensions""",
+    "version": "19.0.1.0.0",
+    "development_status": "Alpha",
+    "license": "LGPL-3",
+    "author": "Bemade Inc., Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/product-attribute",
+    "maintainers": ["mdurepos"],
+    "depends": [
+        "product",
+        "stock",
+    ],
+    "data": [
+        "security/ir.model.access.csv",
+        "views/product_uom_packaging_views.xml",
+        "views/product_product_views.xml",
+        "views/stock_move_views.xml",
+        "views/stock_move_line_views.xml",
+        "views/stock_picking_views.xml",
+    ],
+    "assets": {
+        "web.assets_unit_tests": [
+            "product_uom_packaging/static/tests/**/*",
+            ("remove", "product_uom_packaging/static/tests/tours/**/*"),
+        ],
+        "web.assets_tests": [
+            "product_uom_packaging/static/tests/tours/**/*",
+        ],
+    },
+}

product_uom_packaging/models/__init__.py

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+from . import (
+    product_uom_packaging,
+    product_template,
+    product_product,
+    stock_move,
+    stock_move_line,
+    stock_picking,
+)

product_uom_packaging/models/product_product.py

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+from odoo import api, fields, models
+
+
+class ProductProduct(models.Model):
+    _inherit = "product.product"
+
+    # Stored Many2many relationship (inverse of product_variant_ids)
+    variant_packaging_ids = fields.Many2many(
+        "product.uom.packaging",
+        relation="product_uom_packaging_variant_rel",
+        column1="product_id",
+        column2="packaging_id",
+        string="Variant-Specific Packaging",
+        help="Packaging configurations specifically for this variant.",
+    )
+
+    # Computed field for template-level packaging (read-only)
+    template_packaging_ids = fields.Many2many(
+        "product.uom.packaging",
+        compute="_compute_template_packaging_ids",
+        string="Template Packaging",
+        help="Packaging configurations inherited from product template.",
+    )
+
+    # Combined field (computed, read-only for display)
+    packaging_ids = fields.Many2many(
+        "product.uom.packaging",
+        compute="_compute_packaging_ids",
+        inverse="_inverse_packaging_ids",
+        string="All Packaging",
+        help="All packaging for this variant (template + variant).",
+    )
+
+    def action_open_template(self):
+        """Open the product template form view."""
+        self.ensure_one()
+        return {
+            "type": "ir.actions.act_window",
+            "res_model": "product.template",
+            "res_id": self.product_tmpl_id.id,
+            "view_mode": "form",
+            "target": "current",
+        }
+
+    @api.depends("product_tmpl_id.packaging_ids")
+    def _compute_template_packaging_ids(self):
+        """Compute template-level packaging configurations inherited by this variant."""
+        for product in self:
+            template_configs = self.env["product.uom.packaging"].search(
+                [
+                    ("product_tmpl_id", "=", product.product_tmpl_id.id),
+                    ("company_id", "=", self.env.company.id),
+                    ("product_variant_ids", "=", False),
+                ]
+            )
+            product.template_packaging_ids = template_configs
+
+    @api.depends("template_packaging_ids", "variant_packaging_ids")
+    def _compute_packaging_ids(self):
+        """Compute all packaging configurations for this variant."""
+        for product in self:
+            # Combine template-level and variant-level configs
+            product.packaging_ids = (
+                product.template_packaging_ids + product.variant_packaging_ids
+            )
+
+    def _inverse_packaging_ids(self):
+        """
+        Inverse function to handle changes to packaging configurations
+        on the product template but not related to any specific variants.
+        """
+        for product in self:
+            # Get current template packaging (excluding variant-specific ones)
+            current_template_packaging = product.product_tmpl_id.packaging_ids.filtered(
+                lambda p: not p.product_variant_ids
+            )
+
+            # Get desired packaging from computed field (excl. variant-specific)
+            variant_packaging = product.variant_packaging_ids
+            desired_packaging = product.packaging_ids.filtered(
+                lambda p, vp=variant_packaging: p not in vp
+            )
+
+            # Find packaging to remove (in current but not in desired)
+            to_remove = current_template_packaging - desired_packaging
+            # Find packaging to add (in desired but not in current)
+            to_add = desired_packaging - current_template_packaging
+
+            # Remove unwanted packaging
+            if to_remove:
+                to_remove.unlink()
+
+            # Add new packaging by setting the correct template. Only clear
+            # product_variant_ids if it was already empty (template-level)
+            if to_add:
+                for packaging in to_add:
+                    if not packaging.product_variant_ids:
+                        packaging.write(
+                            {
+                                "product_tmpl_id": product.product_tmpl_id.id,
+                                "product_variant_ids": False,
+                            }
+                        )
+                    else:
+                        # This is variant-specific packaging, just set the template
+                        packaging.write(
+                            {
+                                "product_tmpl_id": product.product_tmpl_id.id,
+                            }
+                        )

product_uom_packaging/models/product_template.py

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+from odoo import fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    # Stored One2many for direct template-level packaging management
+    packaging_ids = fields.One2many(
+        "product.uom.packaging",
+        "product_tmpl_id",
+        string="Packaging Configurations",
+        help="Packaging configurations for this product template.",
+    )