25 lines
352 B
Python
25 lines
352 B
Python
# Extended stream operations on io.BytesIO
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import io
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a = io.BytesIO(b"foobar")
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a.seek(10)
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print(a.read(10))
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a = io.BytesIO()
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print(a.seek(8))
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a.write(b"123")
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print(a.getvalue())
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print(a.seek(0, 1))
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print(a.seek(-1, 2))
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a.write(b"0")
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print(a.getvalue())
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a.flush()
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print(a.getvalue())
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a.seek(0)
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arr = bytearray(10)
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print(a.readinto(arr))
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print(arr)
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