mirror of https://github.com/Kozea/pygal.git
Python to generate nice looking SVG graph
http://pygal.org/
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54 lines
1.4 KiB
54 lines
1.4 KiB
# -*- 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 © 2012-2014 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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""" |
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Value adapters to use when a chart doesn't accept all value types |
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""" |
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import datetime |
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from numbers import Number |
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from pygal.i18n import COUNTRIES |
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def positive(x): |
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if x is None: |
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return |
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if x < 0: |
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return 0 |
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return x |
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def not_zero(x): |
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if x == 0: |
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return |
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return x |
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def none_to_zero(x): |
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return x or 0 |
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def date(x): |
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# Make int work for date graphs by counting days number from now |
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if isinstance(x, Number): |
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try: |
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d = datetime.date.today() + datetime.timedelta(days=x) |
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return datetime.datetime.combine(d, datetime.time(0, 0, 0)) |
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except OverflowError: |
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return None |
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return x
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