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import sys
sys.path.append('../')
import jieba
import jieba.analyse
from optparse import OptionParser
USAGE = "usage: python extract_tags.py [file name] -k [top k]"
parser = OptionParser(USAGE)
parser.add_option("-k", dest="topK")
opt, args = parser.parse_args()
if len(args) < 1:
print(USAGE)
sys.exit(1)
file_name = args[0]
if opt.topK is None:
topK = 10
else:
topK = int(opt.topK)
content = open(file_name, 'rb').read()
tags = jieba.analyse.extract_tags(content, topK=topK)
print(",".join(tags))
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