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37 lines
755 B
37 lines
755 B
2 years ago
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"""Experimental file-like object that captures output but still send content to
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a real file."""
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import io
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import subprocess
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class Tee(io.FileIO):
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def close(self):
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print('TeeClose')
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return super().close()
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def readline(self, size):
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print('TeeReadLine')
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super().readline(size)
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def readlines(self, hint):
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print('TeeReadLines')
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super().readlines(size)
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def writelines(self, lines):
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print('TeeWriteLines')
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return super().writelines(lines)
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def write(self, b):
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print('TeeWite:', b)
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return super().write(b)
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def main():
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with Tee('tee.txt', 'w') as target:
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subprocess.run('ls', stdout=target, check=False)
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if __name__ == '__main__':
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main()
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