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#
# This file is part of Checkbox.
#
# Copyright 2009 Canonical Ltd.
#
# Checkbox 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, either version 3 of the License, or
# (at your option) any later version.
#
# Checkbox 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 Checkbox. If not, see <http://www.gnu.org/licenses/>.
#
from checkbox.job import UNSUPPORTED
from checkbox.plugin import Plugin
from checkbox.resource import ResourceMap
class ResourceInfo(Plugin):
def register(self, manager):
super(ResourceInfo, self).register(manager)
self.resources = ResourceMap()
self._manager.reactor.call_on("report-resource", self.report_resource)
self._manager.reactor.call_on("prompt-job", self.prompt_job, -10)
def prompt_job(self, interface, job):
mask = []
values = []
for require in job.get("requires", []):
new_values = self.resources.eval(require)
mask.append(bool(new_values))
if new_values is not None:
values.extend(new_values)
if all(mask):
job["resources"] = values
else:
job["status"] = UNSUPPORTED
job["data"] = "Job requirements not met."
self._manager.reactor.stop()
def report_resource(self, resource):
# Register temporary handler for report-messages events
def report_messages(messages):
self.resources[resource["name"]] = messages
self._manager.reactor.fire("report-%s" % resource["name"], messages)
# Don't report other messages
self._manager.reactor.stop()
event_id = self._manager.reactor.call_on("report-messages", report_messages, -100)
self._manager.reactor.fire("message-exec", resource)
self._manager.reactor.cancel_call(event_id)
factory = ResourceInfo
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