31 lines
595 B
Python
31 lines
595 B
Python
# test json.dump in combination with io.IOBase
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try:
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import io, json
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except ImportError:
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print("SKIP")
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raise SystemExit
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if not hasattr(io, "IOBase"):
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print("SKIP")
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raise SystemExit
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# a user stream that only has the write method
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class S(io.IOBase):
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def __init__(self):
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self.buf = ""
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def write(self, buf):
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if type(buf) == bytearray:
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# uPy passes a bytearray, CPython passes a str
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buf = str(buf, "ascii")
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self.buf += buf
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return len(buf)
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# dump to the user stream
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s = S()
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json.dump([123, {}], s)
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print(s.buf)
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