system: Linux mars.sprixweb.com 3.10.0-1160.119.1.el7.x86_64 #1 SMP Tue Jun 4 14:43:51 UTC 2024 x86_64
"""Compatibility helpers for the different Python versions."""
import sys
PY34 = sys.version_info >= (3, 4)
PY35 = sys.version_info >= (3, 5)
PY352 = sys.version_info >= (3, 5, 2)
def flatten_list_bytes(list_of_data):
"""Concatenate a sequence of bytes-like objects."""
if not PY34:
# On Python 3.3 and older, bytes.join() doesn't handle
# memoryview.
list_of_data = (
bytes(data) if isinstance(data, memoryview) else data
for data in list_of_data)
return b''.join(list_of_data)