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diff --git a/util/locale_database/localetools.py b/util/locale_database/localetools.py
new file mode 100644
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+++ b/util/locale_database/localetools.py
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+#############################################################################
+##
+## Copyright (C) 2020 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of the test suite of the Qt Toolkit.
+##
+## $QT_BEGIN_LICENSE:GPL-EXCEPT$
+## 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 General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU
+## General Public License version 3 as published by the Free Software
+## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+## 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-3.0.html.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+"""Utilities shared among the CLDR extraction tools.
+Functions:
+  unicode2hex() -- converts unicode text to UCS-2 in hex form.
+  wrap_list() -- map list to comma-separated string, 20 entries per line.
+
+Classes:
+  Error -- A shared error class.
+"""
+
+class Error (StandardError):
+    __upinit = StandardError.__init__
+    def __init__(self, msg, *args):
+        self.__upinit(msg, *args)
+        self.message = msg
+    def __str__(self):
+        return self.message
+
+def unicode2hex(s):
+    lst = []
+    for x in s:
+        v = ord(x)
+        if v > 0xFFFF:
+            # make a surrogate pair
+            # copied from qchar.h
+            high = (v >> 10) + 0xd7c0
+            low = (v % 0x400 + 0xdc00)
+            lst.append(hex(high))
+            lst.append(hex(low))
+        else:
+            lst.append(hex(v))
+    return lst
+
+def wrap_list(lst):
+    def split(lst, size):
+        while lst:
+            head, lst = lst[:size], lst[size:]
+            yield head
+    return ",\n".join(", ".join(x) for x in split(lst, 20))