code: def _apply_pax_info(self, pax_headers, encoding, errors):
          
          for keyword, value in pax_headers.items():
              if keyword == "GNU.sparse.name":
                  setattr(self, "path", value)
              elif keyword == "GNU.sparse.size":
                  setattr(self, "size", int(value))
              elif keyword == "GNU.sparse.realsize":
                  setattr(self, "size", int(value))
              elif keyword in PAX_FIELDS:
                  if keyword in PAX_NUMBER_FIELDS:
                      try:
                          value = PAX_NUMBER_FIELDS[keyword](value)
                      except ValueError:
                          value = 0
                  if keyword == "path":
                      value = value.rstrip("/")
                  setattr(self, keyword, value)
  
          self.pax_headers = pax_headers.copy()
docs: Replace fields with supplemental information from a previous
             pax extended or global header.