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