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import sys
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import tempfile
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from typing import TextIO
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class StdoutWrapper(TextIO):
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"""
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`sys.stdout` wrapper for both Google Colab and local environment.
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"""
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def __init__(self) -> None:
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self.temp_file = tempfile.NamedTemporaryFile(
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mode="w+", delete=False, encoding="utf-8"
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)
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self.original_stdout = sys.stdout
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def write(self, message: str) -> int:
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result = self.temp_file.write(message)
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self.temp_file.flush()
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print(message, end="", file=self.original_stdout)
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return result
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def flush(self) -> None:
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self.temp_file.flush()
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def read(self, n: int = -1) -> str:
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self.temp_file.seek(0)
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return self.temp_file.read(n)
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def close(self) -> None:
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self.temp_file.close()
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def fileno(self) -> int:
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return self.temp_file.fileno()
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try:
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import google.colab
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SAFE_STDOUT = StdoutWrapper()
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except ImportError:
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SAFE_STDOUT = sys.stdout
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