File speed-up-salt.matcher.confirm_top-by-using-__co... of Package salt

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File speed-up-salt.matcher.confirm_top-by-using-__context.patch of Package salt (Revision 0315ed951795f6e1da3c63f54e5a7953)

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From a7e578b96d0e7ad8fdf4e5d62416ba6961b82315 Mon Sep 17 00:00:00 2001
From: Victor Zhestkov <vzhestkov@suse.com>
Date: Wed, 15 May 2024 11:50:52 +0200
Subject: [PATCH] Speed up salt.matcher.confirm_top by using
 __context__

* Speed up salt.matcher.confirm_top by using __context__

* Add test for getting matchers from __context__ in matchers.confirm_top
---
 salt/matchers/confirm_top.py                    |  6 +++++-
 tests/pytests/unit/matchers/test_confirm_top.py | 15 +++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/salt/matchers/confirm_top.py b/salt/matchers/confirm_top.py
index 7435f4ae94..d2edc99d8f 100644
--- a/salt/matchers/confirm_top.py
+++ b/salt/matchers/confirm_top.py
@@ -21,7 +21,11 @@ def confirm_top(match, data, nodegroups=None):
             if "match" in item:
                 matcher = item["match"]
 
-    matchers = salt.loader.matchers(__opts__)
+    if "matchers" in __context__:
+        matchers = __context__["matchers"]
+    else:
+        matchers = salt.loader.matchers(__opts__)
+        __context__["matchers"] = matchers
     funcname = matcher + "_match.match"
     if matcher == "nodegroup":
         return matchers[funcname](match, nodegroups)
diff --git a/tests/pytests/unit/matchers/test_confirm_top.py b/tests/pytests/unit/matchers/test_confirm_top.py
index 514df323b6..f439fcf94a 100644
--- a/tests/pytests/unit/matchers/test_confirm_top.py
+++ b/tests/pytests/unit/matchers/test_confirm_top.py
@@ -2,6 +2,7 @@ import pytest
 
 import salt.config
 import salt.loader
+from tests.support.mock import patch
 
 
 @pytest.fixture
@@ -12,3 +13,17 @@ def matchers(minion_opts):
 def test_sanity(matchers):
     match = matchers["confirm_top.confirm_top"]
     assert match("*", []) is True
+
+
+@pytest.mark.parametrize("in_context", [False, True])
+def test_matchers_from_context(matchers, in_context):
+    match = matchers["confirm_top.confirm_top"]
+    with patch.dict(
+        matchers.pack["__context__"], {"matchers": matchers} if in_context else {}
+    ), patch("salt.loader.matchers", return_value=matchers) as loader_matchers:
+        assert match("*", []) is True
+        assert id(matchers.pack["__context__"]["matchers"]) == id(matchers)
+        if in_context:
+            loader_matchers.assert_not_called()
+        else:
+            loader_matchers.assert_called_once()
-- 
2.45.0

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File speed-up-salt.matcher.confirm_top-by-using-__context.patch of Package salt (Revision 0315ed951795f6e1da3c63f54e5a7953)

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