def job_view(request, job_id):
job = get_object_or_404(Job, pk=job_id)
status = error = output = paginator = refresh = None
try:
with client.connect() as service:
status = service.getStatus(job.backend_id)
except NotFoundException as ex:
error = WMRError(ex,
title='Job Expired',
message='This job has expired, and is unavailable.')
except InternalException as ex:
error = WMRBackendInternalError(ex)
except TException as ex:
error = WMRThriftError(ex)
else:
# Update cached job status
job.update_status(status)
job.save()
# Determine whether or not a job is finished
status.is_finished = (status.state == State.SUCCESSFUL
or status.state == State.KILLED
or status.state == State.FAILED)
if not status.is_finished:
if datetime.datetime.now() - job.submit_time > datetime.timedelta(
minutes=5):
refresh = 15
else:
refresh = 5
# Retrieve output page if appropriate
if (status.state == State.SUCCESSFUL and status.reduceStatus
and status.reduceStatus.output is None and status.info
and status.info.outputPath):
# Check for page from request
try:
if 'page' in request.GET:
page = int(request.GET['page'])
else:
page = 1
except ValueError:
page = 1
# Fetch page
try:
with client.connect() as service:
data_page = service.readDataPage(status.info.outputPath,
page)
except (NotFoundException, PermissionException) as ex:
error = WMRError(ex)
except InternalException as ex:
error = WMRBackendInternalError(ex)
except TException as ex:
error = WMRThriftError(ex)
else:
if data_page.totalPages == 0:
output = {
'data': '[Empty]',
'paginator': SimplePaginator(page, 1),
}
else:
paginator = SimplePaginator(page, data_page.totalPages)
output = {
'data': data_page.data,
'paginator': paginator,
}
# Set human-readable state values
if status.state:
status.state_display = STATE_DISPLAYS[status.state]
if status.mapStatus and status.mapStatus.state:
status.mapStatus.state_display = \
STATE_DISPLAYS[status.mapStatus.state]
if status.reduceStatus and status.reduceStatus.state:
status.reduceStatus.state_display = \
STATE_DISPLAYS[status.reduceStatus.state]
# Create a configuration that re-uses the input
recycle = Configuration()
recycle.language = job.config.language
recycle.name = job.config.name
recycle.input = job.config.input
return render_to_response(
'wmr/job_view.html',
RequestContext(
request, {
'job': job,
'status': status,
'output': output,
'error': error,
'refresh': refresh,
}))
