File ignore-erros-on-reading-license-files-with-dpkg_lowp.patch of Package salt.26143

From 90d0e3ce40e46a9bff3e477b61e02cf3e87e8b9f Mon Sep 17 00:00:00 2001
From: Victor Zhestkov <vzhestkov@suse.com>
Date: Mon, 27 Jun 2022 17:55:49 +0300
Subject: [PATCH] Ignore erros on reading license files with dpkg_lowpkg
 (bsc#1197288)

* Ignore erros on reading license files with dpkg_lowpkg (bsc#1197288)

* Add test for license reading with dpkg_lowpkg
---
 salt/modules/dpkg_lowpkg.py                    |  2 +-
 tests/pytests/unit/modules/test_dpkg_lowpkg.py | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+), 1 deletion(-)
 create mode 100644 tests/pytests/unit/modules/test_dpkg_lowpkg.py

diff --git a/salt/modules/dpkg_lowpkg.py b/salt/modules/dpkg_lowpkg.py
index afbd619490..2c25b1fb2a 100644
--- a/salt/modules/dpkg_lowpkg.py
+++ b/salt/modules/dpkg_lowpkg.py
@@ -361,7 +361,7 @@ def _get_pkg_license(pkg):
     licenses = set()
     cpr = "/usr/share/doc/{}/copyright".format(pkg)
     if os.path.exists(cpr):
-        with salt.utils.files.fopen(cpr) as fp_:
+        with salt.utils.files.fopen(cpr, errors="ignore") as fp_:
             for line in salt.utils.stringutils.to_unicode(fp_.read()).split(os.linesep):
                 if line.startswith("License:"):
                     licenses.add(line.split(":", 1)[1].strip())
diff --git a/tests/pytests/unit/modules/test_dpkg_lowpkg.py b/tests/pytests/unit/modules/test_dpkg_lowpkg.py
new file mode 100644
index 0000000000..1a89660c02
--- /dev/null
+++ b/tests/pytests/unit/modules/test_dpkg_lowpkg.py
@@ -0,0 +1,18 @@
+import os
+
+import salt.modules.dpkg_lowpkg as dpkg
+from tests.support.mock import MagicMock, mock_open, patch
+
+
+def test_get_pkg_license():
+    """
+    Test _get_pkg_license for ignore errors on reading license from copyright files
+    """
+    license_read_mock = mock_open(read_data="")
+    with patch.object(os.path, "exists", MagicMock(return_value=True)), patch(
+        "salt.utils.files.fopen", license_read_mock
+    ):
+        dpkg._get_pkg_license("bash")
+
+        assert license_read_mock.calls[0].args[0] == "/usr/share/doc/bash/copyright"
+        assert license_read_mock.calls[0].kwargs["errors"] == "ignore"
-- 
2.36.1