def getImage(imageId):
if not FileUtil.exists(join(settings.images_cache_folder, imageId)):
mapfileId = HbaseUtil.getMapFileId(imageId)
logging.info(mapfileId)
if mapfileId is None:
logging.error('404')
response.status = 404
return
if FileUtil.exists(join(settings.mapfile_cache_folder, mapfileId)):
MapFileUtil.readMapFile(mapfileId)
else:
MapFileUtil.readMapFileFromHdfs(mapfileId)
# folder_path = join(settings.images_cache_folder,mapfileId)
folder_path = settings.images_cache_folder
logging.info(folder_path)
return static_file(imageId, root=folder_path, mimetype='image/jpg')
def init():
folders = [settings.prepare_dir,settings.queue_dir,\
settings.images_cache_folder,settings.mapfile_cache_folder]
for path in folders:
if not FileUtil.exists(path):
if not FileUtil.makedirs(path):
logging.error('init error...')
break
logging.info('init success...')
def _generateMapFileId(self):
while True:
self.mapFileId = str(random.randint(1, MAX_MAPFILE_ID))
if not FileUtil.exists(self.mapFileId):
break
