def packPascalString(s):
    if isinstance(s, unicode):
        s = s.encode('utf8')
    s = truncate_utf8(s, MAX_PASCAL_STRING_LEN)
    buffer = struct.pack('<H', len(s))
    buffer += s
    return buffer

 def __init__(self, databaseIDs, comment, waitingID=""):
     super(SendInvitesCtx, self).__init__(waitingID=waitingID)
     self.__databaseIDs = databaseIDs[:300]
     if comment:
         self.__comment = truncate_utf8(comment, INVITE_COMMENT_MAX_LENGTH)
     else:
         self.__comment = ""

 def setComment(self, comment):
     self.__comment = truncate_utf8(comment, PREBATTLE_COMMENT_MAX_LENGTH)

 def __init__(self, prbType, waitingID = '', isOpened = True, comment = '', isRequestToCreate = True, flags = _FUNCTIONAL_FLAG.UNDEFINED):
     super(_TeamSettingsCtx, self).__init__(entityType=prbType, waitingID=waitingID, flags=flags)
     self.__isOpened = isOpened
     self.__comment = truncate_utf8(comment, PREBATTLE_COMMENT_MAX_LENGTH)
     self._isRequestToCreate = isRequestToCreate

 def __init__(self, waitingID = '', isOpened = True, comment = '', isRequestToCreate = True, funcExit = prb_settings.FUNCTIONAL_EXIT.PREBATTLE):
     super(TeamSettingsCtx, self).__init__(waitingID=waitingID, funcExit=funcExit)
     self.__isOpened = isOpened
     self.__comment = truncate_utf8(comment, PREBATTLE_COMMENT_MAX_LENGTH)
     self.__isForced = False
     self._isRequestToCreate = isRequestToCreate

 def __init__(self, clubDbID, minWinRate = 0, minBattleCount = 0, description = '', waitingID = '', confirmID = ''):
     super(SetApplicantsRequirements, self).__init__(clubDbID, waitingID=waitingID, confirmID=confirmID)
     self.__minWinRate = minWinRate
     self.__minBattleCount = minBattleCount
     self.__description = truncate_utf8(description, CLUB_LIMITS.MAX_SHORT_DESC_LENGTH)

 def __init__(self, comment, waitingID = ''):
     super(ChangeCommentUnitCtx, self).__init__(waitingID=waitingID)
     self.__comment = truncate_utf8(comment, prb_settings.UNIT_COMMENT_MAX_LENGTH)