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author | cyfraeviolae <cyfraeviolae> | 2024-04-03 03:10:44 -0400 |
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committer | cyfraeviolae <cyfraeviolae> | 2024-04-03 03:10:44 -0400 |
commit | 6d7ba58f880be618ade07f8ea080fe8c4bf8a896 (patch) | |
tree | b1c931051ffcebd2bd9d61d98d6233ffa289bbce /venv/lib/python3.11/site-packages/rich/_fileno.py | |
parent | 4f884c9abc32990b4061a1bb6997b4b37e58ea0b (diff) |
venv
Diffstat (limited to 'venv/lib/python3.11/site-packages/rich/_fileno.py')
-rw-r--r-- | venv/lib/python3.11/site-packages/rich/_fileno.py | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/venv/lib/python3.11/site-packages/rich/_fileno.py b/venv/lib/python3.11/site-packages/rich/_fileno.py new file mode 100644 index 0000000..b17ee65 --- /dev/null +++ b/venv/lib/python3.11/site-packages/rich/_fileno.py @@ -0,0 +1,24 @@ +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 |