python遍历文件夹下所有文件

import os
# 遍历文件夹
def walkFile(file):
 for root, dirs, files in os.walk(file):
 # root 表示当前正在访问的文件夹路径
 # dirs 表示该文件夹下的子目录名list
 # files 表示该文件夹下的文件list
 # 遍历文件
 for f in files:
 print(os.path.join(root, f))
 # 遍历所有的文件夹
 for d in dirs:
 print(os.path.join(root, d))
def main():
 walkFile("f:/ostest/")
if __name__ == '__main__':
 main()

total_num = 0
for base_path,folder_list,file_list in os.walk(target_path):
 for file_name in file_list:
 file_path = os.path.join(base_path,file_name)
 file_ext = file_path.rsplit('.',maxsplit=1)
 if len(file_ext) != 2:
 # 没有后缀名
 continue
 if file_ext[1] != 'py':
 # 不是py文件
 continue
 file_num = 0
 with open(file_path,'rb') as f:
 for line in f:
 # 去空格
 line = line.strip()
 if not line:
 continue
 # 去除 # 注释
 if line.startswith(b'#'):
 continue
 file_num += 1
 total_num += file_num