[14.0][ADD] extendable: New addon to alllow usage of the Extendable python …

extendable/README.rst

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+==========
+Extendable
+==========
+
+.. !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+   !! 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-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%2Frest--framework-lightgray.png?logo=github
+    :target: https://github.com/OCA/rest-framework/tree/14.0/extendable
+    :alt: OCA/rest-framework
+.. |badge4| image:: https://img.shields.io/badge/weblate-Translate%20me-F47D42.png
+    :target: https://translation.odoo-community.org/projects/rest-framework-14-0/rest-framework-14-0-extendable
+    :alt: Translate me on Weblate
+.. |badge5| image:: https://img.shields.io/badge/runbot-Try%20me-875A7B.png
+    :target: https://runbot.odoo-community.org/runbot/271/14.0
+    :alt: Try me on Runbot
+
+|badge1| |badge2| |badge3| |badge4| |badge5| 
+
+This addon allows you to use the  `Extendable library`_ within Odoo.
+
+.. _Extendable library: : <https://pypi.org/project/extendable/>
+
+**Table of contents**
+
+.. contents::
+   :local:
+
+Usage
+=====
+
+By default, all extendable classes defined into your odoo addons are automatically
+loaded by the current addon according to the dependency graph computed by Odoo.
+
+Known issues / Roadmap
+======================
+
+The `roadmap <https://github.com/OCA/odoo-addon-extendable/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement+label%3Aextendable>`_
+and `known issues <https://github.com/OCA/odoo-addon-extendable/issues?q=is%3Aopen+is%3Aissue+label%3Abug+label%3Aextendable>`_ can
+be found on GitHub.
+
+Bug Tracker
+===========
+
+Bugs are tracked on `GitHub Issues <https://github.com/OCA/rest-framework/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/rest-framework/issues/new?body=module:%20extendable%0Aversion:%2014.0%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
+~~~~~~~~~~~~
+
+* Laurent Mignon <laurent.mignon@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.
+
+.. |maintainer-lmignon| image:: https://github.com/lmignon.png?size=40px
+    :target: https://github.com/lmignon
+    :alt: lmignon
+
+Current `maintainer <https://odoo-community.org/page/maintainer-role>`__:
+
+|maintainer-lmignon| 
+
+This module is part of the `OCA/rest-framework <https://github.com/OCA/rest-framework/tree/14.0/extendable>`_ project on GitHub.
+
+You are welcome to contribute. To learn how please visit https://odoo-community.org/page/Contribute.

extendable/__init__.py

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+from . import models

extendable/__manifest__.py

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+# Copyright 2022 ACSONE SA/NV
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html)
+
+{
+    "name": "Extendable",
+    "summary": """
+        Extendable classes registry loader for Odoo""",
+    "version": "14.0.1.0.0",
+    "development_status": "Beta",
+    "maintainers": ["lmignon"],
+    "license": "LGPL-3",
+    "author": "ACSONE SA/NV, Odoo Community Association (OCA)",
+    "website": "https://github.com/OCA/rest-framework",
+    "depends": [],
+    "external_dependencies": {"python": ["extendable"]},
+}

extendable/models/__init__.py

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+from . import extendable_registry_loader
+from . import ir_http

extendable/models/extendable_registry_loader.py

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+# Copyright 2022 ACSONE SA/NV
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html)
+
+"""
+
+Extendale classes Loader
+========================
+
+Load the extendable classes at the build of a registry.
+
+"""
+from typing import List, Optional
+
+import odoo
+from odoo import api, models
+
+from extendable.registry import ExtendableClassesRegistry
+
+from ..registry import _extendable_registries_database
+
+
+class ExtendableRegistryLoader(models.AbstractModel):
+    _name = "extendable.registry.loader"
+    _description = "Extendable Registry Loader"
+
+    def _register_hook(self):
+        # This method is called by Odoo when the registry is built,
+        # so in case the registry is rebuilt (cache invalidation, ...),
+        # we have to to rebuild the extendable classes. We use a new
+        # registry so we have an empty cache and we'll add extendable classes
+        # in it.
+        registry = self._init_global_registry()
+        self.build_registry(registry)
+
+    @api.model
+    def _init_global_registry(self):
+        registry = ExtendableClassesRegistry()
+        _extendable_registries_database[self.env.cr.dbname] = registry
+        return registry
+
+    @api.model
+    def build_registry(
+        self,
+        registry: ExtendableClassesRegistry,
+        states: Optional[List[str]] = None,
+        exclude_addons: Optional[List[str]] = None,
+    ):
+        if not states:
+            states = ("installed", "to upgrade")
+        # lookup all the installed (or about to be) addons and generate
+        # the graph, so we can load the components following the order
+        # of the addons' dependencies
+        graph = odoo.modules.graph.Graph()
+        graph.add_module(self.env.cr, "base")
+
+        query = "SELECT name " "FROM ir_module_module " "WHERE state IN %s "
+        params = [tuple(states)]
+        if exclude_addons:
+            query += " AND name NOT IN %s "
+            params.append(tuple(exclude_addons))
+        self.env.cr.execute(query, params)
+
+        module_list = [name for (name,) in self.env.cr.fetchall() if name not in graph]
+        graph.add_modules(self.env.cr, module_list)
+        module_matchings = []
+        for m in graph:
+            module_matchings.append(f"odoo.addons.{m.name}.*")
+        registry.init_registry(module_matchings)

extendable/models/ir_http.py

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+# Copyright 2022 ACSONE SA/NV
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html)
+
+from contextlib import contextmanager
+
+from odoo import models
+from odoo.http import request
+
+from extendable import context
+
+from ..registry import _extendable_registries_database
+
+
+class IrHttp(models.AbstractModel):
+    _inherit = "ir.http"
+
+    @classmethod
+    def _dispatch(cls):
+        with cls._extendable_context_registry():
+            return super()._dispatch()
+
+    @classmethod
+    @contextmanager
+    def _extendable_context_registry(cls):
+        registry = _extendable_registries_database.get(request.env.cr.dbname, {})
+        token = context.extendable_registry.set(registry)
+        try:
+            yield
+        finally:
+            context.extendable_registry.reset(token)

extendable/readme/CONTRIBUTORS.rst

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+* Laurent Mignon <laurent.mignon@acsone.eu>

extendable/readme/DESCRIPTION.rst

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+This addon allows you to use the  `Extendable library`_ within Odoo.
+
+.. _Extendable library: : <https://pypi.org/project/extendable/>

extendable/readme/ROADMAP.rst

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+The `roadmap <https://github.com/OCA/odoo-addon-extendable/issues?q=is%3Aopen+is%3Aissue+label%3Aenhancement+label%3Aextendable>`_
+and `known issues <https://github.com/OCA/odoo-addon-extendable/issues?q=is%3Aopen+is%3Aissue+label%3Abug+label%3Aextendable>`_ can
+be found on GitHub.

extendable/readme/USAGE.rst

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+By default, all extendable classes defined into your odoo addons are automatically
+loaded by the current addon according to the dependency graph computed by Odoo.

extendable/registry.py

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+# Copyright 2022 ACSONE SA/NV
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html)
+
+
+class ExtendableRegistriesDatabase(dict):
+    """Holds an extendable classses registry for each database"""
+
+
+_extendable_registries_database = ExtendableRegistriesDatabase()