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#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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# This file is part of pygal
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#
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# A python svg graph plotting library
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# Copyright © 2012-2013 Kozea
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#
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# This library is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 3 of the License, or (at your option) any
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# later version.
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#
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# This library is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with pygal. If not, see <http://www.gnu.org/licenses/>.
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import argparse
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import pygal
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parser = argparse.ArgumentParser(
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description='Generate pygal chart in command line',
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prog='pygal_gen',
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version=pygal.__version__)
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parser.add_argument('-t', '--type', dest='type', default='Line',
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choices=map(lambda x: x.__name__, pygal.CHARTS),
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help='Kind of chart to generate')
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parser.add_argument('-o', '--output', dest='filename', default='pygal_out.svg',
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help='Filename to write the svg to')
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parser.add_argument('-s', '--serie', dest='series', nargs='+', action='append',
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help='Add a serie in the form (title val1 val2...)')
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for key, val in pygal.config.Config.__dict__.items():
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if not key.startswith('_') and not hasattr(val, '__call__'):
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opt_name = key
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opts = {'type': str}
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if val is not None:
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opts['type'] = type(val)
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elif 'labels' in key:
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opts['nargs'] = '+'
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if opts['type'] == bool:
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del opts['type']
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opts['action'] = 'store_true' if not val else 'store_false'
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if val:
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opt_name = 'no-' + opt_name
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if key == 'interpolate':
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opts['choices'] = [
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'linear', 'nearest', 'zero', 'slinear', 'quadratic',
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'cubic', 'krogh', 'barycentric', 'univariate']
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parser.add_argument(
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'--%s' % opt_name, dest=key, default=val, **opts)
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config = parser.parse_args()
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chart = getattr(pygal, config.type)(**vars(config))
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for serie in config.series:
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chart.add(serie[0], map(float, serie[1:]))
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chart.render_to_file(config.filename)
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