3d7f3f6085
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/python-tornado#dab5687dce2051f7dfd0249b10eab4e577a21443
46 lines
1.8 KiB
Diff
46 lines
1.8 KiB
Diff
From 0684b61c1d4feaaf5ac3c2d50375cf504214a48d Mon Sep 17 00:00:00 2001
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From: Petr Viktorin <encukou@gmail.com>
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Date: Wed, 19 Jun 2019 18:09:17 +0200
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Subject: [PATCH] gen.with_timeout: Don't log CancelledError after timeout
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See also: commit a237a995a1d54ad6e07c1ecdf5103ff8f45073b5
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---
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tornado/gen.py | 10 ++++++++--
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1 file changed, 8 insertions(+), 2 deletions(-)
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diff --git a/tornado/gen.py b/tornado/gen.py
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index 51f2a4f03..33cc887e5 100644
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--- a/tornado/gen.py
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+++ b/tornado/gen.py
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@@ -557,8 +557,9 @@ def with_timeout(
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an absolute time relative to `.IOLoop.time`)
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If the wrapped `.Future` fails after it has timed out, the exception
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- will be logged unless it is of a type contained in ``quiet_exceptions``
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- (which may be an exception type or a sequence of types).
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+ will be logged unless it is either of a type contained in
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+ ``quiet_exceptions`` (which may be an exception type or a sequence of
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+ types), or a `CancelledError`.
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The wrapped `.Future` is not canceled when the timeout expires,
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permitting it to be reused. `asyncio.wait_for` is similar to this
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@@ -573,6 +574,9 @@ def with_timeout(
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.. versionchanged:: 4.4
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Added support for yieldable objects other than `.Future`.
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+ .. versionchanged:: 6.1
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+ Do not log CancelledError after timeout.
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+
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"""
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# It's tempting to optimize this by cancelling the input future on timeout
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# instead of creating a new one, but A) we can't know if we are the only
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@@ -587,6 +591,8 @@ def with_timeout(
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def error_callback(future: Future) -> None:
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try:
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future.result()
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+ except asyncio.CancelledError:
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+ pass
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except Exception as e:
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if not isinstance(e, quiet_exceptions):
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app_log.error(
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