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