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annotate Options.py @ 2:10f1d7de9bc3

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New module for reading configurations.
author Tom Fredrik Blenning Klaussen <bfg@blenning.no>
date Sun, 16 Sep 2012 21:29:22 +0200
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10f1d7de9bc3 New module for reading configurations.
Tom Fredrik Blenning Klaussen <bfg@blenning.no>
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1 #!/usr/bin/env python -O
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2
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3 import xml.dom.minidom, sys, re
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4
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5 class Config:
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6 def __init__(self, path):
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7 self.document = xml.dom.minidom.parse(path)
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8
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9 @staticmethod
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10 def getOption(node, option, match):
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11 for potentialMatch in node.childNodes:
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12 if potentialMatch.nodeName == "option":
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13 if potentialMatch.hasAttribute('match'):
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14 matchstr = potentialMatch.getAttribute('match')
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15 try:
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16 prog = re.compile(matchstr)
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17 except:
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18 raise xml.dom.SyntaxErr(matchstr
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19 +
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20 " is not a valid value for attribute match")
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21 if prog.match(match):
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22 res = Config.getOption(potentialMatch, option, match)
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23 if not res:
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24 res = potentialMatch.getAttribute('cxxflags')
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25 return res
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26 return None
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27
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28 def getCxxflags(self, name):
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29 value = self.getOption(self.document.childNodes[0], 'Cxxflags', name)
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30 if not value:
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31 raise xml.dom.NotFoundErr()
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32 return value