1 files changed, 88 insertions, 0 deletions
diff --git a/sources/pyside2/tests/registry/util.py b/sources/pyside2/tests/registry/util.py
new file mode 100644
index 000000000..5d0602b2a
--- /dev/null
+++ b/sources/pyside2/tests/registry/util.py
@@ -0,0 +1,88 @@
+#############################################################################
+##
+## Copyright (C) 2017 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of PySide2.
+##
+## $QT_BEGIN_LICENSE:LGPL$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see https://www.qt.io/terms-conditions. For further
+## information use the contact form at https://www.qt.io/contact-us.
+##
+## GNU Lesser General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU Lesser
+## General Public License version 3 as published by the Free Software
+## Foundation and appearing in the file LICENSE.LGPL3 included in the
+## packaging of this file. Please review the following information to
+## ensure the GNU Lesser General Public License version 3 requirements
+## will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+##
+## GNU General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU
+## General Public License version 2.0 or (at your option) the GNU General
+## Public license version 3 or any later version approved by the KDE Free
+## Qt Foundation. The licenses are as published by the Free Software
+## Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+## included in the packaging of this file. Please review the following
+## information to ensure the GNU General Public License requirements will
+## be met: https://www.gnu.org/licenses/gpl-2.0.html and
+## https://www.gnu.org/licenses/gpl-3.0.html.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+from __future__ import print_function, absolute_import
+
+"""
+Supporting isolation of warnings
+
+Warnings in unittests are not isolated.
+We sometimes use warnings to conveniently accumulate error messages
+and eventually report them afterwards as error.
+"""
+
+import sys
+import warnings
+import re
+from contextlib import contextmanager
+
+warn_name = "__warningregistry__"
+ignore_re = 'Not importing directory .*'
+
+@contextmanager
+def isolate_warnings():
+    save_warnings = {}
+    for name, mod in sys.modules.items():
+        if mod and hasattr(mod, warn_name):
+            save_warnings[name] = mod.__dict__[warn_name]
+            delattr(mod, warn_name)
+        else:
+            save_warnings[name] = None
+    yield
+    for name, warn in save_warnings.items():
+        mod = sys.modules[name]
+        if mod:
+            setattr(mod, warn_name, warn)
+            if warn is None:
+                delattr(mod, warn_name)
+
+def check_warnings():
+    for name, mod in sys.modules.items():
+        if mod:
+            reg = getattr(mod, warn_name, None)
+            if reg:
+                # XXX We need to filter warnings for Python 2.
+                # This should be avoided by renaming the duplicate folders.
+                for k in reg:
+                    if type(k) == tuple and re.match(ignore_re, k[0]):
+                        continue
+                    return True
+    return False
+
+# eof