Re: [HTCondor-users] Python bindings and per job history files

[Iain Bradford Steers <iain.steers@xxxxxxx>]

Also in reference to your original issue.

classad.parseAds expects a stream of classads e.g. (âcondor_history -l -match 4â) whereas youâre only giving it one file.

IIRC the function you need is parseOne(f).

Cheers, Iain

On Mar 7, 2016, at 19:21, Iain Steers <iain.steers@xxxxxxx> wrote:

Hi Luke,

Ah the htcondor-ce history files.

Unless something has changed in this latest release the advise is to parse the batch schedd history files instead.

IIRC thereâs some missing fields that are added in job routing and by the batch schedd that donât yet make it back to the CE schedd.

LastRemoteHost being one of the missing fields makes it difficult to apply per machine scaling factors to the jobs.

Cheers, Iain

On Mar 7, 2016, at 19:12, L Kreczko <L.Kreczko@xxxxxxxxxxxxx> wrote:

Dear experts,

I am currently trying to parse our per job history files. The example I got together so far is
import classad;
f = open("/var/lib/gratia/condorce_data/history.10.0");
ads = classad.parseAds(f);
for c in ads:
    print c

where the printout looks similar to that of a classAd (indeed the type is a class ad).

However,
print c["JobStatus"]
fails with
Traceback (most recent call last):
  File "test_history.py", line 7, in <module>
    print c["JobStatus"]
StopIteration

From the examples I've seen, this should be possible.

Fun fact: if I add
print dir(c )

to the for-loop, it works.

Equivalently, if I change the iterator to a list
for c in ads: -> for c in list(ads):

it works as well.

Is this a bug in the way the iterator is constructed or am I missing something?

The history file can be seen here:
https://gist.github.com/kreczko/9056874bbb54a1b4a21b#file-gistfile1-txt

and the python example:
https://gist.github.com/kreczko/9056874bbb54a1b4a21b#file-python

working python:
https://gist.github.com/kreczko/9056874bbb54a1b4a21b#file-working-python

I am running htcondor 8.4.3 and python 2.6.6.

Cheers,

Luke

--

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  Dr Lukasz Kreczko           
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  University of Bristol
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