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30 lines
740 B
30 lines
740 B
from cppy.cp_util import *
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class Flow:
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def extract_file_words(self, filepath):
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self.data = extract_file_words(filepath)
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return self
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def get_frequencies(self):
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self.data = get_frequencies(self.data)
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return self
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def sort_dict(self):
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self.data = sort_dict(self.data)
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return self
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def print_word_freqs(self, n):
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print_word_freqs(self.data, n)
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return self
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# 顺序调用
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Flow().extract_file_words(testfilepath).get_frequencies().sort_dict().print_word_freqs(10)
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'''
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连续方法调用，看起来比较舒服
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但是需要假设：
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- 每一个类方法返回 self
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- 类方法默认不写第一个参数
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约束使得不符合使用习惯
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''' |