code: def get_wxa_code(self,
                       path,
                       width=430,
                       auto_color=False,
                       line_color={"r": "0", "g": "0", "b": "0"},
                       is_hyaline=False):
          
          return self._post(
              'wxa/getwxacode',
              data={
                  'path': path,
                  'width': width,
                  'auto_color': auto_color,
                  'line_color': line_color,
                  'is_hyaline': is_hyaline,
              }
          )
docs: 创建小程序码（接口A: 适用于需要的码数量较少的业务场景）
          详情请参考
          https://mp.weixin.qq.com/debug/wxadoc/dev/api/qrcode.html