test

语言特性/尾调用_类方法/tf-26.py

@@ -1,22 +1,30 @@
-from cppy.cp_util import *
 from collections import Counter
+from cppy.cp_util import *
+import re
 
 class Pipe:
-    def __init__(self, func, *args, kwargs=None):
+    def __init__(self, func, *args, **kwargs):
+        # print( self, func, *args, **kwargs )
         self.func = func
-        # self.args, self.kwargs= None ,None 
+        self.args = args
-        if args : self.args = args
+        self.kwargs = kwargs
-        if kwargs: self.kwargs = kwargs
-        # print( self.args, self.kwargs)
 
     def __or__(self, other):
-        return other(self._value)        
+        return Pipe(lambda x: self.func(x) or other.func(x))
-
+        # print(self.func.__name__, other.func.__name__ )
+        def composed_func():
+            print( other.func(self.func(self.args, self.kwargs), other.args, other.kwargs) ) 
+            return other.func(self.func(self.args, self.kwargs), other.args, other.kwargs)
+        return Pipe(composed_func)
+
+    # def __call__(self, *args, **kwargs):
+    #     print( *args, **kwargs )
+    #     return self.func(*args, **kwargs)
     def __call__(self, data):        
-        self._value = self.func(data, *self.args, self.kwargs)
+        return self.func(data)    
 
 def read_file(filename):
-    with open(filename, 'r') as f:
+    with open(filename, 'r',encoding='utf-8') as f:
         return f.read()
 
 def split_words(text):
@@ -28,8 +36,7 @@ def count_words(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)
+pipe = Pipe(read_file) | Pipe(split_words) | Pipe(count_words) | Pipe(top_n_words, 10)
 result = pipe(testfilepath)
 print(result)