install_package.py 文件源码

def check_plugin(plugins):
    need_restart = False
    for name in plugins:
        try:
            importlib.import_module(name)
        except ImportError, e:
            print "??????????'%s'??????? ..." % (name, )

            ret = install(name)
            print "-" * 60
            print "????%s? '%s'" % ("??" if ret else "??", name, )

            if not ret: return False

            need_restart = True

    if need_restart: print "???????"
    return True