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python37
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python3.7
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future
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types
newopen.py
""" A substitute for the Python 3 open() function. Note that io.open() is more complete but maybe slower. Even so, the completeness may be a better default. TODO: compare these """ _builtin_open = open class newopen(object): """Wrapper providing key part of Python 3 open() interface. From IPython's py3compat.py module. License: BSD. """ def __init__(self, fname, mode="r", encoding="utf-8"): self.f = _builtin_open(fname, mode) self.enc = encoding def write(self, s): return self.f.write(s.encode(self.enc)) def read(self, size=-1): return self.f.read(size).decode(self.enc) def close(self): return self.f.close() def __enter__(self): return self def __exit__(self, etype, value, traceback): self.f.close()
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