#!/usr/bin/env python3
#
# 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 .
#
# Authors:
# Tristan Van Berkom
# Jürg Billeter
from . import Queue, QueueStatus, QueueType
# A queue which assembles elements
#
class BuildQueue(Queue):
action_name = "Build"
complete_name = "Built"
queue_type = QueueType.BUILD
def process(self, element):
element._assemble()
return element._get_unique_id()
def status(self, element):
# state of dependencies may have changed, recalculate element state
element._update_state()
if element._cached():
return QueueStatus.SKIP
if not element._buildable():
return QueueStatus.WAIT
return QueueStatus.READY
def done(self, element, result, returncode):
# Elements are cached after they are successfully assembled
if returncode == 0:
element._update_state()
return True