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# distbuild/protocol.py -- abstractions for the JSON messages
#
# Copyright (C) 2014 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..
'''Construct protocol message objects (dicts).'''
_types = {
'build-request': [
'id',
'repo',
'ref',
'morphology',
],
'build-progress': [
'id',
'message',
],
'build-steps': [
'id',
'steps',
],
'step-started': [
'id',
'step_name',
'worker_name',
],
'step-output': [
'id',
'step_name',
'stdout',
'stderr',
],
'step-finished': [
'id',
'step_name',
],
'step-failed': [
'id',
'step_name',
],
'build-finished': [
'id',
'urls',
],
'build-failed': [
'id',
'reason',
],
'exec-request': [
'id',
'argv',
'stdin_contents',
],
'exec-cancel': [
'id',
],
'http-request': [
'id',
'url',
'method',
],
}
def message(message_type, **kwargs):
assert message_type in _types
required_fields = _types[message_type]
for name in required_fields:
assert name in kwargs, 'field %s is required' % name
for name in kwargs:
assert name in required_fields, 'field %s is not allowed' % name
msg = dict(kwargs)
msg['type'] = message_type
return msg
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