16.07.13 20:21, Guido van Rossum написав(ла):
The situation is most egregious if the target string is a bytearray,
where there is currently no way to get the result as an immutable
bytes object without an extra copy. (There's no API that lets you
create a bytes object directly from a slice of a bytearray.)
m = memoryview(data)
if m:
return m.cast('B')[low:high].tobytes()
else:
# cast() doesn't work for empty memoryview
return b''
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