GNU bug report logs - #22137
python-urwid on x86_64: AsyncEventLoopTest

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: iyzsong <at> member.fsf.org (宋文武)
Cc: tracker <at> debbugs.gnu.org
Subject: bug#22137: closed (python-urwid on x86_64: AsyncEventLoopTest)
Date: Tue, 12 Jun 2018 12:55:02 +0000

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Your message dated Tue, 12 Jun 2018 20:54:08 +0800
with message-id <87lgbkrwr3.fsf <at> member.fsf.org>
and subject line Re: bug#22137: Status: python-urwid on x86_64: AsyncEventLoopTest
has caused the debbugs.gnu.org bug report #22137,
regarding python-urwid on x86_64: AsyncEventLoopTest
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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22137: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=22137
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From: Leo Famulari <leo <at> famulari.name>
To: bug-guix <at> gnu.org
Subject: python-urwid on x86_64: AsyncEventLoopTest
Date: Thu, 10 Dec 2015 02:05:56 -0500

python-urwid-1.3.0 fails to build on x86_64 during the
"AsyncioEventLoopTest" test with the error "KeyError: '5 is not
registered'". It has failed repeatedly for some time now. It fails in
the same way when updated to python-urwid-1.3.1.

I looked for interesting changes made between the last successful build
and the first failing build. Notably, this range includes the upgrade
from python-3.3.5 to python-3.4.3 (08c04509). Asyncio was integrated
into the Python standard library in 3.4 — previously it had been an
external library. [0] Our python-3.4.3 package passes its 'test_asyncio'
test, FWIW.

I entered the failed build tree and successfully ran the tests using the
python-3.4.3-7 [1] installed by Debian Stretch. That only tells us so
much, but I think it does indicate either a bug in our python-3.4.3, or
some problem with python-urwid caused by the unfamiliar Guix build
environment.

Here's the hydra.gnu.org page:
http://hydra.gnu.org/build/861615

Here's the failing part of the build log:

--8<---------------cut here---------------start------------->8---

======================================================================
ERROR: test_remove_watch_file (urwid.tests.test_event_loops.AsyncioEventLoopTest)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/gnu/store/13n8xbi9wv9pigfyhir007qadr81jq46-python-3.4.3/lib/python3.4/asyncio/selector_events.py", line 234, in add_reader
    key = self._selector.get_key(fd)
  File "/gnu/store/13n8xbi9wv9pigfyhir007qadr81jq46-python-3.4.3/lib/python3.4/selectors.py", line 182, in get_key
    raise KeyError("{!r} is not registered".format(fileobj)) from None
KeyError: '5 is not registered'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/tmp/nix-build-python-urwid-1.3.0.drv-0/urwid-1.3.0/build/lib.linux-x86_64-3.4/urwid/tests/test_event_loops.py", line 33, in test_remove_watch_file
    handle = evl.watch_file(5, lambda: None)
  File "/tmp/nix-build-python-urwid-1.3.0.drv-0/urwid-1.3.0/build/lib.linux-x86_64-3.4/urwid/main_loop.py", line 1263, in watch_file
    self._loop.add_reader(fd, callback)
  File "/gnu/store/13n8xbi9wv9pigfyhir007qadr81jq46-python-3.4.3/lib/python3.4/asyncio/selector_events.py", line 237, in add_reader
    (handle, None))
  File "/gnu/store/13n8xbi9wv9pigfyhir007qadr81jq46-python-3.4.3/lib/python3.4/selectors.py", line 402, in register
    self._epoll.register(key.fd, epoll_events)
PermissionError: [Errno 1] Operation not permitted

----------------------------------------------------------------------
Ran 284 tests in 0.384s

FAILED (errors=1)
phase `check' failed after 4.6 seconds
--8<---------------cut here---------------end--------------->8---

[0]
https://docs.python.org/3/library/asyncio.html

[1] Reported by `apt-cache show python3`, this python-3.4.3-7's .deb has
a SHA256 hash of:
53fa197ee35501152b1897bf84ab6123f7f65201efdddc2e4aa882de494f3870

[Message part 3 (message/rfc822, inline)]

From: iyzsong <at> member.fsf.org (宋文武)
To: bug#22137 <22137-done <at> debbugs.gnu.org>
Subject: Re: bug#22137: Status: python-urwid on x86_64: AsyncEventLoopTest
Date: Tue, 12 Jun 2018 20:54:08 +0800

Maxim Cournoyer <maxim.cournoyer <at> gmail.com> writes:

> This bug was supposedly fixed upstream [0] but there is no new release
> yet. To be revisited after urwid 1.3.2 is released.
>
> [0]: https://github.com/urwid/urwid/issues/164

Hello, I update our urwid to version 2.0.1.

Closing now, thanks!

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