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stbi/Lib/site-packages/sqlparse/compat.py

+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2009-2018 the sqlparse authors and contributors
+# <see AUTHORS file>
+#
+# This module is part of python-sqlparse and is released under
+# the BSD License: https://opensource.org/licenses/BSD-3-Clause
+
+"""Python 2/3 compatibility.
+
+This module only exists to avoid a dependency on six
+for very trivial stuff. We only need to take care of
+string types, buffers and metaclasses.
+
+Parts of the code is copied directly from six:
+https://bitbucket.org/gutworth/six
+"""
+
+import sys
+from io import TextIOBase
+
+PY2 = sys.version_info[0] == 2
+PY3 = sys.version_info[0] == 3
+
+
+if PY3:
+    def unicode_compatible(cls):
+        return cls
+
+    text_type = str
+    string_types = (str,)
+    from io import StringIO
+    file_types = (StringIO, TextIOBase)
+
+
+elif PY2:
+    def unicode_compatible(cls):
+        cls.__unicode__ = cls.__str__
+        cls.__str__ = lambda x: x.__unicode__().encode('utf-8')
+        return cls
+
+    text_type = unicode
+    string_types = (str, unicode,)
+    from StringIO import StringIO
+    file_types = (file, StringIO, TextIOBase)