python自带的JSON处理就OK
a = '{"GZWWWVIRUS": {"endflag": "2", "version": "RB_Virus_20150507_5", "updated_at": "2015-05-08 11:54:21"}, "BJWWWHORNBILL": {"endflag": "2", "version": "RB_Whornbill_20150507_8", "updated_at": "2015-05-08 13:45:41"}, "BJDOOTAVDOOTA": {"endflag": "2", "version": "RB_Vdoota_20150507_8", "updated_at": "2015-05-08 11:35:02"}, "GZTINTERFACEWHORNBILL": {"endflag": "2", "version": "RB_Whornbill_20150507_8", "updated_at": "2015-05-08 12:36:43"}, "GZTINTERFACESNAKE": {"endflag": "2", "version": "RB_Snake_20150507_5", "updated_at": "2015-05-08 12:35:07"}, "GZWWWHORNBILL": {"endflag": "2", "version": "RB_Whornbill_20150507_8", "updated_at": "2015-05-08 13:49:06"}, "GZWWWSNAKE": {"endflag": "2", "version": "RB_Snake_20150507_5", "updated_at": "2015-05-08 11:55:30"}}'
b = JSONDecoder().decode(a)
print b['GZWWWVIRUS']