def chowntree(path, user=None, group=None): """Change owner user and group of the given path. user and group can be the uid/gid or the user/group names, and in that case, they are converted to their respective uid/gid. """ if user is None and group is None: raise ValueError("user and/or group must be set") _user = user _group = group # -1 means don't change it if user is None: _user = -1 # user can either be an int (the uid) or a string (the system username) elif isinstance(user, str): _user = _get_uid(user) if _user is None: raise LookupError("no such user: {!r}".format(user)) if group is None: _group = -1 elif not isinstance(group, int): _group = _get_gid(group) if _group is None: raise LookupError("no such group: {!r}".format(group)) for root, dirs, files in os.walk(path): map(lambda file : os.chown(os.path.join(root, file), _user, _group), files) map(lambda dir : os.chown(os.path.join(root, dir), _user, _group), dirs) os.chown(path, _user, _group)