def construct_stream_tower(stream, buffering, universal, reading, writing,
binary):
if buffering == 0: # no buffering
pass
elif buffering == 1: # line-buffering
if writing:
stream = LineBufferingOutputStream(stream)
if reading:
stream = BufferingInputStream(stream)
else: # default or explicit buffer sizes
if buffering is not None and buffering < 0:
buffering = -1
if writing:
stream = BufferingOutputStream(stream, buffering)
if reading:
stream = BufferingInputStream(stream, buffering)
if universal: # Wants universal newlines
if writing and os.linesep != '\n':
stream = TextOutputFilter(stream)
if reading:
stream = TextInputFilter(stream)
elif not binary and os.linesep == '\r\n':
stream = TextCRLFFilter(stream)
if nonconst.NonConstant(False):
stream.flush_buffers() # annotation workaround for untranslated tests
return stream
def f():
rsiphash.enable_siphash24()
i = nonconst.NonConstant(1)
assert d.get("key%d" % (i,)) is x1
assert d.get("key%d" % (i+1,)) is x2