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# Copyright (C) 2012 Codethink Limited
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import datetime
from multiprocessing import Manager, Process
import morphlib
class BuildWorker(object):
def __init__(self, name, app):
self.name = name
self.settings = app.settings
self.real_msg = app.msg
self.indent = 2
self.idle_since = datetime.datetime.now()
def __str__(self):
return self.name
def indent_more(self):
self.indent += 1
def indent_less(self):
self.indent -= 1
def msg(self, text):
spaces = ' ' * self.indent
self.real_msg('%s%s' % (spaces, text))
def build(self, blob):
raise NotImplementedError
def check_complete(self, timeout):
raise NotImplementedError
class LocalBuildWorker(BuildWorker):
def __init__(self, name, app):
BuildWorker.__init__(self, name, app)
self.manager = Manager()
self.reset()
def reset(self):
self.process = None
self.blob = None
self._output = self.manager.list()
def run(self, repo, ref, filename, output):
ex = morphlib.execute.Execute('.', self.msg)
stdout = ex.runv(['./morph', '--verbose', '--keep-path',
'build', repo, ref, filename])
output.append(stdout)
def build(self, blob):
self.reset()
self.blob = blob
args = (blob.morph.treeish.original_repo,
blob.morph.treeish.ref,
blob.morph.filename,
self._output)
self.process = Process(group=None, target=self.run, args=args)
self.process.start()
def check_complete(self, timeout):
if self.process:
self.process.join(timeout)
if self.process.is_alive():
return False
else:
self.idle_since = datetime.datetime.now()
return True
else:
return True
@property
def output(self):
return self._output[0]
class RemoteBuildWorker(BuildWorker):
def __init__(self, app):
BuildWorker.__init__(self, app)
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