[pytest-dev] pytest.internal test failures

Srinath g.s.srinath89 at gmail.com
Thu Sep 4 10:10:02 CEST 2014


which execnet version do you use? 1.1 or 1.2? with 1.2 py.test -n <int>
doesn't even run.


[image: Srinath GS on about.me]

Srinath GS
about.me/srinathgs
  <http://about.me/srinathgs>http://srinath.im
I write code @ Alamut
Srinath G S


On Thu, Sep 4, 2014 at 1:34 PM, Anatoly Bubenkov <bubenkoff at gmail.com>
wrote:

> so that might very well be the issue - gevent does the patching of the
> threading module which is in use of the execnet...
> try to NOT use gevent patching but just use it directly (by importing and
> using it's attributes), eg avoild .patch_all
>
>
> On 4 September 2014 10:02, Srinath <g.s.srinath89 at gmail.com> wrote:
>
>> We just run py.test -n <int>. pytest automatically picks up the tests and
>> then run. some of the unit tests import code from components. Components do
>> gevent monkey patch. so, execnet although uses threading, the locking stuff
>> gets overridden by gevent. Hope this clarifies the use case.
>>
>>
>> [image: Srinath GS on about.me]
>>
>> Srinath GS
>> about.me/srinathgs
>>   <http://about.me/srinathgs>http://srinath.im
>> I write code @ Alamut
>> Srinath G S
>>
>>
>> On Thu, Sep 4, 2014 at 12:52 PM, Anatoly Bubenkov <bubenkoff at gmail.com>
>> wrote:
>>
>>> I mean the mode of the execnet, do you use threads there?
>>>
>>>
>>> On 4 September 2014 09:10, Srinath <g.s.srinath89 at gmail.com> wrote:
>>>
>>>> Hi Anatoly,
>>>>
>>>> We use a lot of greenlets in our code. Unit Tests import them. They get
>>>> monkey patched. So, we really can't use only threading.
>>>>
>>>>
>>>> [image: Srinath GS on about.me]
>>>>
>>>> Srinath GS
>>>> about.me/srinathgs
>>>>   <http://about.me/srinathgs>http://srinath.im
>>>> I write code @ Alamut
>>>> Srinath G S
>>>>
>>>>
>>>> On Thu, Sep 4, 2014 at 12:27 PM, Anatoly Bubenkov <bubenkoff at gmail.com>
>>>> wrote:
>>>>
>>>>> we use all 4 at latest versions: pytest, pytest-xdist, execnet, py and
>>>>> it works
>>>>> my suggestion is to try not using greenlets and instead use default -
>>>>> threading
>>>>>
>>>>>
>>>>> On 4 September 2014 08:45, Srinath <g.s.srinath89 at gmail.com> wrote:
>>>>>
>>>>>>  Hi list,
>>>>>>
>>>>>>
>>>>>> *23:01:51* Traceback (most recent call last):*23:01:51*   File "<string>", line 1, in <module>*23:01:51*   File "<string>", line 6, in <module>*23:01:51*   File "/home/epsilon/shiningpanda/jobs/9783e24d/virtualenvs/83eb871d/local/lib/python2.7/site-packages/execnet/gateway_base.py", line 1215, in serve*23:01:51*     SlaveGateway(io=io, id=id, _startcount=2).serve()*23:01:51*   File "/home/epsilon/shiningpanda/jobs/9783e24d/virtualenvs/83eb871d/local/lib/python2.7/site-packages/execnet/gateway_base.py", line 777, in serve*23:01:51*     self.join()*23:01:51*   File "/home/epsilon/shiningpanda/jobs/9783e24d/virtualenvs/83eb871d/local/lib/python2.7/site-packages/execnet/gateway_base.py", line 735, in join*23:01:51*     self._receiverthread.join(timeout)*23:01:51*   File "/usr/lib/python2.7/threading.py", line 668, in join*23:01:51*     self.__block.wait()*23:01:51*   File "/usr/lib/python2.7/threading.py", line 244, in wait*23:01:51*     waiter.acquire()*23:01:51*   File "_semaphore.pyx", line 112, in gevent._semaphore.Semaphore.acquire (gevent/gevent._semaphore.c:3004)*23:01:51*   File "/home/epsilon/shiningpanda/jobs/9783e24d/virtualenvs/83eb871d/local/lib/python2.7/site-packages/gevent/hub.py", line 331, in switch*23:01:51*     return greenlet.switch(self)*23:01:51* gevent.hub.LoopExit: This operation would block forever
>>>>>>
>>>>>>
>>>>>> We keep getting this error in our CI system which raises `pytest.internal` error. Can anyone suggest a way to solve this?
>>>>>>
>>>>>>
>>>>>> pytest version:
>>>>>>
>>>>>> pytest==2.5.2
>>>>>> pytest-cache==0.9
>>>>>> pytest-capturelog==0.7
>>>>>> pytest-cov==1.6
>>>>>> pytest-figleaf==1.0
>>>>>> pytest-growl==0.1
>>>>>> pytest-pep8==1.0.4
>>>>>> pytest-xdist==1.8
>>>>>>
>>>>>> execnet==1.1
>>>>>>
>>>>>>
>>>>>> Please help.
>>>>>>
>>>>>>
>>>>>> Also, can anyone tell which version of pytest works well with execnet1.2? This is the version that has gevent support.
>>>>>>
>>>>>>
>>>>>> [image: Srinath GS on about.me]
>>>>>>
>>>>>> Srinath GS
>>>>>> about.me/srinathgs
>>>>>>   <http://about.me/srinathgs>http://srinath.im
>>>>>> I write code @ Alamut
>>>>>> Srinath G S
>>>>>>
>>>>>> _______________________________________________
>>>>>> Pytest-dev mailing list
>>>>>> Pytest-dev at python.org
>>>>>> https://mail.python.org/mailman/listinfo/pytest-dev
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Anatoly Bubenkov
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Anatoly Bubenkov
>>>
>>
>>
>
>
> --
> Anatoly Bubenkov
>
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