Python遍历文件查找关键字

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#!/usr/bin/python
#-*- coding: UTF-8 -*-
import os

def find_file(keywords,path):
    file_list = get_all_file(path)
    for file in file_list:
        if file.endswith('.php'):
            with open(file,'r',encoding='utf-8') as f:
                if keywords in f.read():
                    print(file)
                    print('=='*20)
                    
def get_all_file(path):
    for dirpath, dirnames, filenames in os.walk(path):
        for filename in filenames:
            yield os.path.join(dirpath,filename)
    
keywords = input("Please input the key words that you want to search:")
path = input("Please input the filepath:")

find_file(keywords,path)