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Uname\Kernel: Linux server.kxo.bgz.mybluehostin.me 3.10.0-1160.119.1.el7.tuxcare.els19.x86_64 #1 SMP Mon Mar 31 17:29:00 UTC 2025 x86_64
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PHP Version: 8.2.29 [ PHP INFO ]
Operating System: Linux
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Date Time: 2025-07-12 04:00:13
User: dilseshaadi (1027) | Group: dilseshaadi (1027)
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Disable Function: exec,passthru,shell_exec,system

name : _fileno.py
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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