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#
# Copyright (C) 2016 Codethink Limited
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library. If not, see <http://www.gnu.org/licenses/>.
#
# Authors:
# Tristan Van Berkom <tristan.vanberkom@codethink.co.uk>
# Jürg Billeter <juerg.billeter@codethink.co.uk>
from . import Queue, QueueStatus
from ..jobs import JobStatus
from ..resources import ResourceType
# A queue which assembles elements
#
class BuildQueue(Queue):
action_name = "Build"
complete_name = "Built"
resources = [ResourceType.PROCESS, ResourceType.CACHE]
def process(self, element):
return element._assemble()
def status(self, element):
if not element._is_required():
# Artifact is not currently required but it may be requested later.
# Keep it in the queue.
return QueueStatus.WAIT
if element._cached():
return QueueStatus.SKIP
if not element._buildable():
return QueueStatus.WAIT
return QueueStatus.READY
def _check_cache_size(self, job, element, artifact_size):
# After completing a build job, add the artifact size
# as returned from Element._assemble() to the estimated
# artifact cache size
#
context = self._scheduler.context
artifacts = context.artifactcache
artifacts.add_artifact_size(artifact_size)
# If the estimated size outgrows the quota, ask the scheduler
# to queue a job to actually check the real cache size.
#
if artifacts.has_quota_exceeded():
self._scheduler.check_cache_size()
def done(self, job, element, result, status):
if status == JobStatus.OK:
# Inform element in main process that assembly is done
element._assemble_done()
# This has to be done after _assemble_done, such that the
# element may register its cache key as required
self._check_cache_size(job, element, result)
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