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https://github.com/paparazzi/paparazzi.git
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Fabien-B
adce81e35e
* [Python libs] Start python settings and flight plan libs. * [Python libs] Robustify XML attribute getters. * [Python libs] Adds WP number, improve getters. * [Python libs] Adds license headers.
48 lines
1.4 KiB
Python
48 lines
1.4 KiB
Python
#!/usr/bin/env python3
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#
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# Copyright (C) 2020 Fabien Bonneval <fabien.bonneval@enac.fr>
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#
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# This file is part of paparazzi.
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#
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# paparazzi is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# paparazzi is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with paparazzi; see the file COPYING. If not, see
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# <http://www.gnu.org/licenses/>.
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#
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from lxml import etree
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def get_attrib(node: etree.Element, tag: str, typ=None):
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"""XML Element attribute getter which is insensitive to case, handle default value and type conversion"""
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try:
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value = node.attrib[tag.lower()]
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except KeyError:
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value = node.attrib[tag.upper()]
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if typ is None:
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return value
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else:
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return typ(value)
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def get_attrib_default(node: etree.Element, tag: str, default, typ=None):
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try:
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value = get_attrib(node, tag, typ=typ)
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except KeyError:
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value = default
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if typ is not None and default is not None:
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return typ(value)
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else:
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return value
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