/usr/share/doc/python-pycha/examples/piechart.py is in python-pycha 0.7.0-2.
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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 | # Copyright(c) 2007-2010 by Lorenzo Gil Sanchez <lorenzo.gil.sanchez@gmail.com>
#
# This file is part of PyCha.
#
# PyCha is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# PyCha 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 Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PyCha. If not, see <http://www.gnu.org/licenses/>.
import sys
import cairo
import pycha.pie
from lines import lines
def pieChart(output):
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 800, 800)
dataSet = [(line[0], [[0, line[1]]]) for line in lines]
options = {
'axis': {
'x': {
'ticks': [dict(v=i, label=d[0]) for i, d in enumerate(lines)],
}
},
'legend': {
'hide': True,
},
'title': 'Pie Chart',
}
chart = pycha.pie.PieChart(surface, options)
chart.addDataset(dataSet)
chart.render()
surface.write_to_png(output)
if __name__ == '__main__':
if len(sys.argv) > 1:
output = sys.argv[1]
else:
output = 'piechart.png'
pieChart(output)
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