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46 lines
1.6 KiB
46 lines
1.6 KiB
import string
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from cppy.cp_util import stopwordfilepath,testfilepath
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# 准备词和停用词表
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word_freqs = []
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with open( stopwordfilepath,encoding='utf-8' ) as f:
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stop_words = f.read().split(',')
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stop_words.extend(list(string.ascii_lowercase))
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for line in open( testfilepath ,encoding='utf-8' ):
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start_char = None
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i = 0
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for c in line:
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if start_char == None:
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if c.isalnum():
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# 一个单词开始
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start_char = i
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else:
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if not c.isalnum():
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# 一个单词结束
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found = False
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word = line[start_char:i].lower()
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# 跳过停用词
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if word not in stop_words:
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pair_index = 0
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# 单词是否第一次出现
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for pair in word_freqs:
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if word == pair[0]:
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pair[1] += 1
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found = True
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break
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pair_index += 1
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if not found:
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word_freqs.append([word, 1])
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elif len(word_freqs) > 1:
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for n in reversed(range(pair_index)):
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if word_freqs[pair_index][1] > word_freqs[n][1]:
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# 交换
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word_freqs[n], word_freqs[pair_index] = word_freqs[pair_index], word_freqs[n]
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pair_index = n
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# 重置开始标记
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start_char = None
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i += 1
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for tf in word_freqs[0:10]:
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print(tf[0], '-', tf[1]) |