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28 lines
577 B
Python
28 lines
577 B
Python
"""
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Compatibility layer for Python 3/Python 2 single codebase
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"""
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import sys
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PY3_OR_LATER = sys.version_info[0] >= 3
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PY27 = sys.version_info[:2] == (2, 7)
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try:
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_basestring = basestring
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_bytes_or_unicode = (str, unicode)
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except NameError:
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_basestring = str
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_bytes_or_unicode = (bytes, str)
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def with_metaclass(meta, *bases):
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"""Create a base class with a metaclass."""
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return meta("NewBase", bases, {})
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# python2.7 error compatibility
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if PY27:
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class CompatFileExistsError(OSError):
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pass
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else:
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CompatFileExistsError = FileExistsError
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