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21 lines
469 B
21 lines
469 B
#!/usr/bin/python3
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import lxml.etree as lxml
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import sys
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import random
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input_file_name = sys.argv[1]
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sample_size = int(sys.argv[2])
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output_file_name = sys.argv[3]
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tree = lxml.parse(input_file_name)
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root = tree.getroot()
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indexes = list(range(len(root.xpath('entry'))))
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random.shuffle(indexes)
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for (index, entry) in enumerate(root.xpath('entry')):
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if (index not in indexes[:sample_size]):
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root.remove(entry)
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tree.write(output_file_name, encoding='UTF-8')
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