text: # This is an automatically generated file.
  # DO NOT EDIT or your changes may be overwritten
  import base64
  from xdrlib import Packer, Unpacker
  
  from ..type_checked import type_checked
  from .base import Integer
  from .ledger_close_meta_v0 import LedgerCloseMetaV0
  
  __all__ = ["LedgerCloseMeta"]
  
  
  @type_checked
  class LedgerCloseMeta:
      """
      XDR Source Code::
  
          union LedgerCloseMeta switch (int v)
          {
          case 0:
              LedgerCloseMetaV0 v0;
          };
      """
  
      def __init__(
          self,
          v: int,
          v0: LedgerCloseMetaV0 = None,
      ) -> None:
          self.v = v
          self.v0 = v0
  
      def pack(self, packer: Packer) -> None:
          Integer(self.v).pack(packer)
          if self.v == 0:
              if self.v0 is None:
                  raise ValueError("v0 should not be None.")
              self.v0.pack(packer)
              return
  
      @classmethod
      def unpack(cls, unpacker: Unpacker) -> "LedgerCloseMeta":
          v = Integer.unpack(unpacker)
          if v == 0:
              v0 = LedgerCloseMetaV0.unpack(unpacker)
              return cls(v=v, v0=v0)
          return cls(v=v)
  
      def to_xdr_bytes(self) -> bytes:
          packer = Packer()
          self.pack(packer)
          return packer.get_buffer()
  
      @classmethod
      def from_xdr_bytes(cls, xdr: bytes) -> "LedgerCloseMeta":
          unpacker = Unpacker(xdr)
          return cls.unpack(unpacker)
  
      def to_xdr(self) -> str:
          xdr_bytes = self.to_xdr_bytes()
          return base64.b64encode(xdr_bytes).decode()
  
      @classmethod
      def from_xdr(cls, xdr: str) -> "LedgerCloseMeta":
          xdr_bytes = base64.b64decode(xdr.encode())
          return cls.from_xdr_bytes(xdr_bytes)
  
      def __eq__(self, other: object):
          if not isinstance(other, self.__class__):
              return NotImplemented
          return self.v == other.v and self.v0 == other.v0
  
      def __str__(self):
          out = []
          out.append(f"v={self.v}")
          out.append(f"v0={self.v0}") if self.v0 is not None else None
          return f"<LedgerCloseMeta {[', '.join(out)]}>"
  