[18.0][ADD] contract_line_defer_successor: bridge module

Author: tobiaszehntner

contract_line_defer_successor/README.rst

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+=============================
+Contract Line Defer Successor
+=============================
+
+.. 
+   !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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+.. |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%2Fcontract-lightgray.png?logo=github
+    :target: https://github.com/OCA/contract/tree/18.0/contract_line_defer_successor
+    :alt: OCA/contract
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
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+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runboat-Try%20me-875A7B.png
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+    :alt: Try me on Runboat
+
+|badge1| |badge2| |badge3| |badge4| |badge5|
+
+Bridge module between contract_line_defer and contract_line_successor
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Use Cases / Context
+===================
+
+BUSINESS NEED:
+
+- Requiring contract_line_defer and contract_line_successor
+
+APPROACH: Bridge module to make the two modules work together.
+
+Usage
+=====
+
+When a contract line is deferred, the line-successor functions are not
+available.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/contract/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/contract/issues/new?body=module:%20contract_line_defer_successor%0Aversion:%2018.0%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
+
+Contributors
+------------
+
+- Tobias Zehntner [email protected] (ACSONE SA/NV)
+
+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/contract <https://github.com/OCA/contract/tree/18.0/contract_line_defer_successor>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

contract_line_defer_successor/__init__.py

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+from . import models

contract_line_defer_successor/__manifest__.py

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+# Copyright 2025 ACSONE SA/NV
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+{
+    "name": "Contract Line Defer Successor",
+    "summary": """Bridge Module contract_line_defer / contract_line_successor""",
+    "version": "18.0.1.0.0",
+    "license": "AGPL-3",
+    "author": "ACSONE SA/NV,Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/contract",
+    "depends": [
+        "contract_line_defer",
+        "contract_line_successor",
+    ],
+    "data": [
+        "views/contract_line.xml",
+    ],
+    "auto_install": True,
+}

contract_line_defer_successor/models/__init__.py

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+from . import contract_line

contract_line_defer_successor/models/contract_line.py

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+# Copyright 2025 ACSONE SA/NV
+# License AGPL-3.0 or later (https://www.gnu.org/licenses/agpl).
+
+from odoo import api, models
+
+
+class ContractLine(models.Model):
+    _inherit = "contract.line"
+
+    @api.depends("is_deferred")
+    def _compute_allowed(self):
+        res = super()._compute_allowed()
+        for line in self:
+            if line.is_deferred:
+                line.update(
+                    {
+                        "is_plan_successor_allowed": False,
+                        "is_stop_plan_successor_allowed": False,
+                        "is_stop_allowed": False,
+                        "is_cancel_allowed": False,
+                        "is_un_cancel_allowed": False,
+                    }
+                )
+        return res

contract_line_defer_successor/pyproject.toml

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+[build-system]
+requires = ["whool"]
+build-backend = "whool.buildapi"

contract_line_defer_successor/readme/CONTEXT.md

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+BUSINESS NEED:
+- Requiring contract_line_defer and contract_line_successor
+
+APPROACH:
+Bridge module to make the two modules work together.

contract_line_defer_successor/readme/CONTRIBUTORS.md

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+- Tobias Zehntner <[email protected]> (ACSONE SA/NV)

contract_line_defer_successor/readme/DESCRIPTION.md

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+Bridge module between contract_line_defer and contract_line_successor

contract_line_defer_successor/readme/USAGE.md

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+When a contract line is deferred, the line-successor functions are not available.