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opt
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cloudlinux
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venv
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lib
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python3.11
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site-packages
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pip
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_vendor
/
rich
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Editing: _fileno.py
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from __future__ import annotations from typing import IO, Callable def get_fileno(file_like: IO[str]) -> int | None: """Get fileno() from a file, accounting for poorly implemented file-like objects. Args: file_like (IO): A file-like object. Returns: int | None: The result of fileno if available, or None if operation failed. """ fileno: Callable[[], int] | None = getattr(file_like, "fileno", None) if fileno is not None: try: return fileno() except Exception: # `fileno` is documented as potentially raising a OSError # Alas, from the issues, there are so many poorly implemented file-like objects, # that `fileno()` can raise just about anything. return None return None
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