Python3通过chmod修改目录或文件权限的方法示例

import os
import stat

os.chmod("xxx.sh", stat.S_IRWXU+stat.S_IRGRP+stat.S_IXGRP+stat.S_IROTH)

import re
import os
import stat

RD, WD, XD = 4, 2, 1
BNS = [RD, WD, XD]
MDS = [
  [stat.S_IRUSR, stat.S_IRGRP, stat.S_IROTH],
  [stat.S_IWUSR, stat.S_IWGRP, stat.S_IWOTH],
  [stat.S_IXUSR, stat.S_IXGRP, stat.S_IXOTH]
]

def chmod(path, mode):
  if isinstance(mode, int):
    mode = str(mode)
  if not re.match("^[0-7]{1,3}$", mode):
    raise Exception("mode does not conform to ^[0-7]{1,3}$ pattern")
  mode = "{0:0>3}".format(mode)
  mode_num = 0
  for midx, m in enumerate(mode):
    for bnidx, bn in enumerate(BNS):
      if (int(m) & bn) > 0:
        mode_num += MDS[bnidx][midx]
  os.chmod(path, mode_num)

if __name__ == '__main__':
  chmod("xxx.sh", "744") #744代表所有者读写执行，组和其他的权限只有读

import subprocess

if __name__ == '__main__':
  cmd = ['chmod', "-R", "777", "xxx.sh"]
  res = subprocess.run(cmd, universal_newlines=True, stdout=subprocess.PIPE,
             stderr=subprocess.PIPE, shell=False)

  print(res.returncode, res.stdout, res.stderr)