tests/io/bytesio_ext.py


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# Extended stream operations on io.BytesIO
try:
    import uio as io
except ImportError:
    import io

a = io.BytesIO()
print(a.seek(8))
a.write(b"123")
print(a.getvalue())

print(a.seek(0, 1))

print(a.seek(-1, 2))
a.write(b"0")
print(a.getvalue())

a.flush()
print(a.getvalue())