code: def get_blobstore(layout):
      
      if layout.is_s3:
          from wal_e.blobstore import s3
          blobstore = s3
      elif layout.is_wabs:
          from wal_e.blobstore import wabs
          blobstore = wabs
      elif layout.is_swift:
          from wal_e.blobstore import swift
          blobstore = swift
      elif layout.is_gs:
          from wal_e.blobstore import gs
          blobstore = gs
      elif layout.is_file:
          from wal_e.blobstore import file
          blobstore = file
      return blobstore
docs: Return Blobstore instance for a given storage layout
      Args:
          layout (StorageLayout): Target storage layout.