关于Python代码混淆和加密技术

　　import os

　　import sys

　　import shutil

　　from py_compile import compile

　　# print "argvs:",sys.argv

　　if len(sys.argv) == 3:

　　comd = sys.argv[1] # 输入的命令

　　path = sys.argv[2] # 文件的地址

　　if os.path.exists(path) and os.path.isdir(path):

　　for parent, dirname, filename in os.walk(path):

　　for cfile in filename:

　　fullname = os.path.join(parent, cfile)

　　if comd == 'clean' and cfile[-4:] == '.pyc':

　　try:

　　os.remove(fullname)

　　print("Success remove file:%s" % fullname)

　　except:

　　print("Can't remove file:%s" % fullname)

　　if comd == 'compile' and cfile[-3:] == '.py': # 在这里将找到的py文件进行编译成pyc，但是会指定到一个叫做__pycache__的文件夹中

　　try:

　　compile(fullname)

　　print("Success compile file:%s" % fullname)

　　except:

　　print("Can't compile file:%s" % fullname)

　　if comd == 'remove' and cfile[-3:] == '.py' and cfile != 'settings.py' and cfile != 'wsgi.py':

　　try:

　　os.remove(fullname)

　　print("Success remove file:%s" % fullname)

　　except:

　　print("Can't remove file:%s" % fullname)

　　if comd == 'copy' and cfile[-4:] == '.pyc':

　　parent_list = parent.split("\")[:-1]

　　parent_up_path = ''

　　for i in range(len(parent_list)):

　　parent_up_path += parent_list[i] + '\'

　　shutil.copy(fullname, parent_up_path)

　　print('update the dir of file successfully')

　　if comd == 'cpython' and cfile[-4:] == '.pyc':

　　cfile_name = ''

　　cfile_list = cfile.split('.')

　　for i in range(len(cfile_list)):

　　if cfile_list[i] == 'cpython-38':

　　continue

　　cfile_name += cfile_list[i]

　　if i == len(cfile_list) - 1:

　　continue

　　cfile_name += '.'

　　shutil.move(fullname, os.path.join(parent, cfile_name))

　　print('update the name of the file successfully')

　　else:

　　print("Not an directory or Direcotry doesn't exist!")

　　else:

　　print("Usage:")

　　print(" python compile_pyc.py clean PATH #To clean all pyc files")

　　print(" python compile_pyc.py compile PATH #To generate pyc files")