/usr/lib/python2.7/dist-packages/automat/_visualize.py is in python-automat 0.6.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 | from __future__ import print_function
import argparse
import sys
import graphviz
from ._discover import findMachines
def _gvquote(s):
return '"{}"'.format(s.replace('"', r'\"'))
def _gvhtml(s):
return '<{}>'.format(s)
def elementMaker(name, *children, **attrs):
"""
Construct a string from the HTML element description.
"""
formattedAttrs = ' '.join('{}={}'.format(key, _gvquote(str(value)))
for key, value in sorted(attrs.items()))
formattedChildren = ''.join(children)
return u'<{name} {attrs}>{children}</{name}>'.format(
name=name,
attrs=formattedAttrs,
children=formattedChildren)
def tableMaker(inputLabel, outputLabels, port, _E=elementMaker):
"""
Construct an HTML table to label a state transition.
"""
colspan = {}
if outputLabels:
colspan['colspan'] = str(len(outputLabels))
inputLabelCell = _E("td",
_E("font",
inputLabel,
face="menlo-italic"),
color="purple",
port=port,
**colspan)
pointSize = {"point-size": "9"}
outputLabelCells = [_E("td",
_E("font",
outputLabel,
**pointSize),
color="pink")
for outputLabel in outputLabels]
rows = [_E("tr", inputLabelCell)]
if outputLabels:
rows.append(_E("tr", *outputLabelCells))
return _E("table", *rows)
def makeDigraph(automaton, inputAsString=repr,
outputAsString=repr,
stateAsString=repr):
"""
Produce a L{graphviz.Digraph} object from an automaton.
"""
digraph = graphviz.Digraph(graph_attr={'pack': 'true',
'dpi': '100'},
node_attr={'fontname': 'Menlo'},
edge_attr={'fontname': 'Menlo'})
for state in automaton.states():
if state is automaton.initialState:
stateShape = "bold"
fontName = "Menlo-Bold"
else:
stateShape = ""
fontName = "Menlo"
digraph.node(stateAsString(state),
fontame=fontName,
shape="ellipse",
style=stateShape,
color="blue")
for n, eachTransition in enumerate(automaton.allTransitions()):
inState, inputSymbol, outState, outputSymbols = eachTransition
thisTransition = "t{}".format(n)
inputLabel = inputAsString(inputSymbol)
port = "tableport"
table = tableMaker(inputLabel, [outputAsString(outputSymbol)
for outputSymbol in outputSymbols],
port=port)
digraph.node(thisTransition,
label=_gvhtml(table), margin="0.2", shape="none")
digraph.edge(stateAsString(inState),
'{}:{}:w'.format(thisTransition, port),
arrowhead="none")
digraph.edge('{}:{}:e'.format(thisTransition, port),
stateAsString(outState))
return digraph
def tool(_progname=sys.argv[0],
_argv=sys.argv[1:],
_syspath=sys.path,
_findMachines=findMachines,
_print=print):
"""
Entry point for command line utility.
"""
DESCRIPTION = """
Visualize automat.MethodicalMachines as graphviz graphs.
"""
EPILOG = """
You must have the graphviz tool suite installed. Please visit
http://www.graphviz.org for more information.
"""
if _syspath[0]:
_syspath.insert(0, '')
argumentParser = argparse.ArgumentParser(
prog=_progname,
description=DESCRIPTION,
epilog=EPILOG)
argumentParser.add_argument('fqpn',
help="A Fully Qualified Path name"
" representing where to find machines.")
argumentParser.add_argument('--quiet', '-q',
help="suppress output",
default=False,
action="store_true")
argumentParser.add_argument('--dot-directory', '-d',
help="Where to write out .dot files.",
default=".automat_visualize")
argumentParser.add_argument('--image-directory', '-i',
help="Where to write out image files.",
default=".automat_visualize")
argumentParser.add_argument('--image-type', '-t',
help="The image format.",
choices=graphviz.FORMATS,
default='png')
argumentParser.add_argument('--view', '-v',
help="View rendered graphs with"
" default image viewer",
default=False,
action="store_true")
args = argumentParser.parse_args(_argv)
explicitlySaveDot = (args.dot_directory
and (not args.image_directory
or args.image_directory != args.dot_directory))
if args.quiet:
def _print(*args):
pass
for fqpn, machine in _findMachines(args.fqpn):
_print(fqpn, '...discovered')
digraph = machine.asDigraph()
if explicitlySaveDot:
digraph.save(filename="{}.dot".format(fqpn),
directory=args.dot_directory)
_print(fqpn, "...wrote dot into", args.dot_directory)
if args.image_directory:
deleteDot = not args.dot_directory or explicitlySaveDot
digraph.format = args.image_type
digraph.render(filename="{}.dot".format(fqpn),
directory=args.image_directory,
view=args.view,
cleanup=deleteDot)
if deleteDot:
msg = "...wrote image into"
else:
msg = "...wrote image and dot into"
_print(fqpn, msg, args.image_directory)
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