From e9fb8dd3801c1859d7b0cdce95c05d6cc37d3d11 Mon Sep 17 00:00:00 2001
From: Simone Orsi <simahawk@gmail.com>
Date: Mon, 6 Mar 2023 15:35:26 +0100
Subject: [PATCH] component: add is_component_registry_ready

Handy function to allow depending modules to check for registry readyness
w/o exposing internals.
---
 component/tests/__init__.py   |  1 +
 component/tests/test_utils.py | 20 ++++++++++++++++++++
 component/utils.py            | 14 ++++++++++++++
 3 files changed, 35 insertions(+)
 create mode 100644 component/tests/test_utils.py
 create mode 100644 component/utils.py

diff --git a/component/tests/__init__.py b/component/tests/__init__.py
index de5a88a91..29c286e26 100644
--- a/component/tests/__init__.py
+++ b/component/tests/__init__.py
@@ -2,3 +2,4 @@
 from . import test_component
 from . import test_lookup
 from . import test_work_on
+from . import test_utils
diff --git a/component/tests/test_utils.py b/component/tests/test_utils.py
new file mode 100644
index 000000000..f630a83e6
--- /dev/null
+++ b/component/tests/test_utils.py
@@ -0,0 +1,20 @@
+# Copyright 2023 Camptocamp SA
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html)
+
+from unittest import mock
+
+from odoo.addons.component.utils import is_component_registry_ready
+
+from .common import TransactionComponentRegistryCase
+
+
+class TestUtils(TransactionComponentRegistryCase):
+    def test_registry_ready(self):
+        path = "odoo.addons.component.utils.get_component_registry"
+        with mock.patch(path) as mocked:
+            mocked.return_value = None
+            self.assertFalse(is_component_registry_ready(self.env.cr.dbname))
+            self._setup_registry(self)
+            mocked.return_value = self.comp_registry
+            self.assertTrue(is_component_registry_ready(self.env.cr.dbname))
+            self._teardown_registry(self)
diff --git a/component/utils.py b/component/utils.py
new file mode 100644
index 000000000..66e955125
--- /dev/null
+++ b/component/utils.py
@@ -0,0 +1,14 @@
+# Copyright 2023 Camptocamp SA
+# License LGPL-3.0 or later (http://www.gnu.org/licenses/lgpl.html)
+
+from .core import _component_databases
+
+
+def get_component_registry(dbname):
+    return _component_databases.get(dbname)
+
+
+def is_component_registry_ready(dbname):
+    """Return True if the registry is ready to be used."""
+    comp_registry = get_component_registry(dbname)
+    return comp_registry.ready if comp_registry else False