| 1 | n/a | """Compatibility helpers for the different Python versions.""" |
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| 2 | n/a | |
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| 3 | n/a | import sys |
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| 4 | n/a | |
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| 5 | n/a | PY34 = sys.version_info >= (3, 4) |
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| 6 | n/a | PY35 = sys.version_info >= (3, 5) |
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| 7 | n/a | PY352 = sys.version_info >= (3, 5, 2) |
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| 8 | n/a | |
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| 9 | n/a | |
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| 10 | n/a | def flatten_list_bytes(list_of_data): |
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| 11 | n/a | """Concatenate a sequence of bytes-like objects.""" |
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| 12 | n/a | if not PY34: |
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| 13 | n/a | # On Python 3.3 and older, bytes.join() doesn't handle |
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| 14 | n/a | # memoryview. |
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| 15 | n/a | list_of_data = ( |
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| 16 | n/a | bytes(data) if isinstance(data, memoryview) else data |
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| 17 | n/a | for data in list_of_data) |
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| 18 | n/a | return b''.join(list_of_data) |
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