code: def _extract_packages(self):
          
          self.path_unpacked = mkdtemp(prefix="scoap3_package_",
                                       dir=CFG_TMPSHAREDDIR)
          for path in self.retrieved_packages_unpacked:
              scoap3utils_extract_package(path, self.path_unpacked, self.logger)
  
          return self.path_unpacked
docs: Extract a package in a new temporary directory.