diff options
| -rw-r--r-- | Lib/asyncio/selector_events.py | 14 | ||||
| -rw-r--r-- | Misc/NEWS.d/next/Library/2023-12-12-05-48-17.gh-issue-112989.ZAa_eq.rst | 1 |
2 files changed, 6 insertions, 9 deletions
diff --git a/Lib/asyncio/selector_events.py b/Lib/asyncio/selector_events.py index d521b4e..dcd5e0a 100644 --- a/Lib/asyncio/selector_events.py +++ b/Lib/asyncio/selector_events.py @@ -261,15 +261,11 @@ class BaseSelectorEventLoop(base_events.BaseEventLoop): except (AttributeError, TypeError, ValueError): # This code matches selectors._fileobj_to_fd function. raise ValueError(f"Invalid file object: {fd!r}") from None - try: - transport = self._transports[fileno] - except KeyError: - pass - else: - if not transport.is_closing(): - raise RuntimeError( - f'File descriptor {fd!r} is used by transport ' - f'{transport!r}') + transport = self._transports.get(fileno) + if transport and not transport.is_closing(): + raise RuntimeError( + f'File descriptor {fd!r} is used by transport ' + f'{transport!r}') def _add_reader(self, fd, callback, *args): self._check_closed() diff --git a/Misc/NEWS.d/next/Library/2023-12-12-05-48-17.gh-issue-112989.ZAa_eq.rst b/Misc/NEWS.d/next/Library/2023-12-12-05-48-17.gh-issue-112989.ZAa_eq.rst new file mode 100644 index 0000000..ceeab8c --- /dev/null +++ b/Misc/NEWS.d/next/Library/2023-12-12-05-48-17.gh-issue-112989.ZAa_eq.rst @@ -0,0 +1 @@ +Reduce overhead to connect sockets with :mod:`asyncio` SelectorEventLoop. |