code: def _get_sr(name=None, session=None):
      '''
      Get XEN sr (storage repo) object reference
      '''
      if session is None:
          session = _get_session()
      srs = session.xenapi.SR.get_by_name_label(name)
      if len(srs) == 1:
          return srs[0]
      return Nonf _get_sr(name=None, session=None):
      '''
      Get XEN sr (storage repo) object reference
      '''
      if session is None:
          session = _get_session()
      srs = session.xenapi.SR.get_by_name_label(name)
      if len(srs) == 1:
          return srs[0]
      return None
docs: Get XEN sr (storage repo) object reference