mirror of https://github.com/Kozea/pygal.git
Python to generate nice looking SVG graph
http://pygal.org/
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52 lines
1.7 KiB
52 lines
1.7 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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import os |
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class Etree(object): |
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def __init__(self): |
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from xml.etree import ElementTree as _py_etree |
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self._py_etree = _py_etree |
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try: |
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from lxml import etree as _lxml_etree |
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self._lxml_etree = _lxml_etree |
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except ImportError: |
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self._lxml_etree = None |
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if os.getenv('NO_LXML', None): |
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self._etree = self._py_etree |
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else: |
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self._etree = self._lxml_etree or self._py_etree |
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self.lxml = self._etree is self._lxml_etree |
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def __getattribute__(self, attr): |
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if (attr not in object.__getattribute__(self, '__dict__') and |
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attr not in Etree.__dict__): |
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return object.__getattribute__(self._etree, attr) |
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return object.__getattribute__(self, attr) |
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def to_lxml(self): |
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self._etree = self._lxml_etree |
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self.lxml = True |
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def to_etree(self): |
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self._etree = self._py_etree |
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self.lxml = False |
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etree = Etree()
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