deploy.py 文件源码

def deploy_files(staging_directory, instance_directory, file_list, username, problem_class):
    """
    Copies the list of files from the staging directory to the instance directory.
    Will properly set permissions and setgid files based on their type.
    """

    # get uid and gid for default and problem user
    user = getpwnam(username)
    default = getpwnam(deploy_config.default_user)

    for f in file_list:
        # copy the file over, making the directories as needed
        output_path = join(instance_directory, f.path)
        if not os.path.isdir(os.path.dirname(output_path)):
            os.makedirs(os.path.dirname(output_path))

        if not isinstance(f, Directory):
          if isinstance(f, PreTemplatedFile):
              file_source = join(staging_directory, "__pre_templated", f.path)
          else:
              file_source = join(staging_directory, f.path)

          shutil.copy2(file_source, output_path)

        # set the ownership based on the type of file
        if isinstance(f, ProtectedFile) or isinstance(f, ExecutableFile):
            os.chown(output_path, default.pw_uid, user.pw_gid)
        else:
            uid = default.pw_uid if f.user is None else getpwnam(f.user).pw_uid
            gid = default.pw_gid if f.group is None else getgrnam(f.group).gr_gid
            os.chown(output_path, uid, gid)

        # set the permissions appropriately
        os.chmod(output_path, f.permissions)

    if issubclass(problem_class, Service):
        os.chown(instance_directory, default.pw_uid, user.pw_gid)
        os.chmod(instance_directory, 0o750)