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9 months ago
from cppy.cp_util import *
from collections import Counter
class Pipe:
def __init__(self, func, *args, kwargs=None):
self.func = func
# self.args, self.kwargs= None ,None
if args : self.args = args
if kwargs: self.kwargs = kwargs
# print( self.args, self.kwargs)
def __or__(self, other):
return other(self._value)
def __call__(self, data):
self._value = self.func(data, *self.args, self.kwargs)
def read_file(filename):
with open(filename, 'r') as f:
return f.read()
def split_words(text):
return re.findall(r'\b\w+\b', text.lower())
def count_words(words):
return Counter(words)
def top_n_words(word_counts, n):
return word_counts.most_common(n)
# 使用管道
pipe = Pipe(extract_file_words) | Pipe(get_frequencies) | Pipe(sort_dict) | Pipe(print_word_freqs, 5)
result = pipe(testfilepath)
print(result)