mirror of https://github.com/python/cpython
18 lines
505 B
Python
18 lines
505 B
Python
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"""Compatibility helpers for the different Python versions."""
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import sys
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PY34 = sys.version_info >= (3, 4)
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PY35 = sys.version_info >= (3, 5)
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def flatten_list_bytes(list_of_data):
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"""Concatenate a sequence of bytes-like objects."""
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if not PY34:
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# On Python 3.3 and older, bytes.join() doesn't handle
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# memoryview.
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list_of_data = (
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bytes(data) if isinstance(data, memoryview) else data
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for data in list_of_data)
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return b''.join(list_of_data)
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