d078ba6efb
This uses the automaton library's converters/pydot to generate the state machine diagram. Change-Id: I23888d035e108224fbd29b305f6dd418d584e54e
88 lines
2.7 KiB
Python
Executable File
88 lines
2.7 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright (C) 2014 Yahoo! Inc. All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import optparse
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import os
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import sys
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from automaton.converters import pydot
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from ironic.common import states
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top_dir = os.path.abspath(os.path.join(os.path.dirname(__file__),
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os.pardir))
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sys.path.insert(0, top_dir)
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def print_header(text):
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print("*" * len(text))
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print(text)
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print("*" * len(text))
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def map_color(text):
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# If the text contains 'error'/'fail' then we'll return red...
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if 'error' in text or 'fail' in text:
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return 'red'
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else:
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return None
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def main():
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parser = optparse.OptionParser()
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parser.add_option("-f", "--file", dest="filename",
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help="write output to FILE", metavar="FILE")
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parser.add_option("-T", "--format", dest="format",
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help="output in given format (default: png)",
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default='png')
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parser.add_option("--no-labels", dest="labels",
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help="do not include labels",
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action='store_false', default=True)
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(options, args) = parser.parse_args()
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if options.filename is None:
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options.filename = 'states.%s' % options.format
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def node_attrs(state):
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attrs = {}
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text_color = map_color(state)
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if text_color:
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attrs['fontcolor'] = text_color
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return attrs
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def edge_attrs(start_state, event, end_state):
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attrs = {}
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if options.labels:
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attrs['label'] = "on_%s" % event
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edge_color = map_color(event)
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if edge_color:
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attrs['fontcolor'] = edge_color
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return attrs
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source = states.machine
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graph_name = '"Ironic states"'
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graph_attrs = {'size': 0}
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g = pydot.convert(source, graph_name, graph_attrs=graph_attrs,
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node_attrs_cb=node_attrs, edge_attrs_cb=edge_attrs)
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print_header(graph_name)
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print(g.to_string().strip())
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g.write(options.filename, format=options.format)
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print_header("Created %s at '%s'" % (options.format, options.filename))
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if __name__ == '__main__':
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main()
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