text: #  Pyrogram - Telegram MTProto API Client Library for Python
  #  Copyright (C) 2017-2021 Dan <https://github.com/delivrance>
  #
  #  This file is part of Pyrogram.
  #
  #  Pyrogram is free software: you can redistribute it and/or modify
  #  it under the terms of the GNU Lesser General Public License as published
  #  by the Free Software Foundation, either version 3 of the License, or
  #  (at your option) any later version.
  #
  #  Pyrogram is distributed in the hope that it will be useful,
  #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  #  GNU Lesser General Public License for more details.
  #
  #  You should have received a copy of the GNU Lesser General Public License
  #  along with Pyrogram.  If not, see <http://www.gnu.org/licenses/>.
  
  class DataCenter:
      TEST = {
          1: "149.154.175.10",
          2: "149.154.167.40",
          3: "149.154.175.117",
          121: "95.213.217.195"
      }
  
      PROD = {
          1: "149.154.175.53",
          2: "149.154.167.51",
          3: "149.154.175.100",
          4: "149.154.167.91",
          5: "91.108.56.130",
          121: "95.213.217.195"
      }
  
      TEST_IPV6 = {
          1: "2001:b28:f23d:f001::e",
          2: "2001:67c:4e8:f002::e",
          3: "2001:b28:f23d:f003::e",
          121: "2a03:b0c0:3:d0::114:d001"
      }
  
      PROD_IPV6 = {
          1: "2001:b28:f23d:f001::a",
          2: "2001:67c:4e8:f002::a",
          3: "2001:b28:f23d:f003::a",
          4: "2001:67c:4e8:f004::a",
          5: "2001:b28:f23f:f005::a",
          121: "2a03:b0c0:3:d0::114:d001"
      }
  
      def __new__(cls, dc_id: int, test_mode: bool, ipv6: bool):
          if ipv6:
              return (
                  (cls.TEST_IPV6[dc_id], 80)
                  if test_mode
                  else (cls.PROD_IPV6[dc_id], 443)
              )
          else:
              return (
                  (cls.TEST[dc_id], 80)
                  if test_mode
                  else (cls.PROD[dc_id], 443)
              )
  