29 lines
771 B
Python
29 lines
771 B
Python
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import xml.etree.ElementTree as ET
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import sys
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tree = ET.parse(sys.argv[1])
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# the xml tree is of the form
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# <expr><list> {all options, each an attrs} </list></expr>
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options = list(tree.getroot().find('list'))
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def sortKey(opt):
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def order(s):
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if s.startswith("enable"):
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return 0
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if s.startswith("package"):
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return 1
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return 2
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return [
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(order(p.attrib['value']), p.attrib['value'])
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for p in opt.findall('attr[@name="loc"]/list/string')
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]
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# always ensure that the sort order matches the order used in the nix expression!
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options.sort(key=sortKey)
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doc = ET.Element("expr")
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newOptions = ET.SubElement(doc, "list")
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newOptions.extend(options)
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ET.ElementTree(doc).write(sys.argv[2], encoding='utf-8')
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