code: def get_members(pkg_name, module_filter = None, member_filter = None):
      
      modules = get_modules(pkg_name, module_filter)
  
      ret = {}
      for m in modules:
          members = dict(("{0}.{1}".format(v.__module__, k), v) for k, v in getmembers(m, member_filter))
          ret.update(members)
  
      return ret
docs: 返回包中所有符合条件的模块成员。
  
          参数:
              pkg_name        包名称
              module_filter   模块名过滤器 def (module_name)
              member_filter   成员过滤器 def member_filter(module_member_object)