/usr/share/doc/python-pycallgraph/examples/colours.py is in python-pycallgraph 0.5.1-3.
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 | #!/usr/bin/env python
"""
pycallgraph
U{http://pycallgraph.slowchop.com/}
Copyright Gerald Kaszuba 2007
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; either version 2 of the License, or
(at your option) any later version.
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 St, Fifth Floor, Boston, MA 02110-1301 USA
"""
"""
This example demonstrates several different methods on colouring your graph.
See U{http://www.graphviz.org/doc/info/attrs.html#k:color} for details on
how to return colour formats to Graphviz.
"""
import random
import pycallgraph
def rainbow(calls, total_time):
"""Colour using only changes in hue.
It will go from 0 to 0.8 which is red, orange, yellow, green, cyani, blue
then purple.
See U{http://en.wikipedia.org/wiki/Hue} for more information on hue.
"""
return '%f 0.8 0.8' % (calls * 0.8)
def greyscale(calls, total_time):
"""Goes from dark grey to a light grey."""
return '0 0 %f' % (calls / 2 + 0.4)
def orange_green(calls, total_time):
"""Make a higher total time have an orange colour and a higher number
of calls have a green colour using RGB.
"""
return '#%02X%02X%02X' % (
0x30 + total_time * 0xc0,
0x30 + calls * 0xc0 + total_time * 0x70,
0x30,
)
def rand(calls, total_time):
"""Random with a touch of usefulness"""
return '%f %f %f' % (
random.random(),
calls * 0.5 + 0.5,
calls * 0.5 + 0.5,
)
def main():
# Do the trace, remember the values for later
pycallgraph.start_trace()
import HTMLParser
pycallgraph.stop_trace()
# Set the edge colour to black for all examples
pycallgraph.settings['edge_colour'] = lambda a, b: 'black'
# Default node colouring
pycallgraph.make_dot_graph('colours-default.png')
# Rainbow
pycallgraph.settings['node_colour'] = rainbow
pycallgraph.make_dot_graph('colours-rainbow.png')
# Greyscale
pycallgraph.settings['node_colour'] = greyscale
pycallgraph.make_dot_graph('colours-greyscale.png')
# Orange/Green
pycallgraph.settings['node_colour'] = orange_green
pycallgraph.make_dot_graph('colours-orange-green.png')
# Random
pycallgraph.settings['node_colour'] = rand
pycallgraph.make_dot_graph('colours-random.png')
if __name__ == '__main__':
main()
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