Ejemplos de GridStorageClient en Python

Ejemplo n.º 1

Archivo: tools.py Proyecto: amogrid/redcurrant

	def __init__(self, namespace):
		self.ns      = namespace
		self.client  = GridStorageClient(namespace, nocache=(not "off"))

Ejemplo n.º 2

Archivo: tools.py Proyecto: amogrid/redcurrant

class ListenerGridAccess:
	#init
	def __init__(self, namespace):
		self.ns      = namespace
		self.client  = GridStorageClient(namespace, nocache=(not "off"))

	def seterr(self, msg):
		return __class__ + msg

	# create containers if does'nt exist
	#return error if an error occurs
	def create_container(self, containerName):
		error = ""
		self.containerName = self.ns + "/" + containerName
		url = GridUrl(self.ns + "/" + containerName)
		
		try:
			self.client.create_container(url.cid)			
		except ContainerExists:  #Container already exists
			pass              
		except _GridException as e:
			return "Failed to CREATE container ["+url.cid.name+"] : "+str(e)
		except:
			return "Failed to CREATE container ["+url.cid.name+"]: Unknown error"
		return ""


	#write a bloc to a ns/container/content
	#path=ns/containerName/contentName
	#stream = io.BytesIO(..)
	#return error if an error occurs
	def put_content(self, path, stream, size):
		if size <= 0:
			return "No put content besause size of stream = 0"
		
		url    = GridUrl(path)			
		#client = self.client.GridStorageClient(self.ns)
		
		try:
			self.client.put_content(url.cid, url.content_name, size, stream)
			
		except Exception as e:
			return "Failed to CREATE content [" + path + "] : "+str(e)
		except:
			return "Failed to CREATE content [" + path + "]: Unknown error"		
		return ""


	#read a bloc from ns/container/content
	#path=ns/containerName/contentName
	#stream = io.BytesIO(..)
	#return the buffer of content
	def get_content(self, path):
		url    = GridUrl(path)
		try:
			return self.client.get_content(url.cid, url.content_name)

		except Exception as e:
			msg = "Failed to GET content [" + path + "] : "+str(e)
			logging.error(msg)
			syslog.syslog(syslog.LOG_ERR, msg)

		except:
			msg = "Failed to GET content [" + path + "]: Unknown error"
			logging.error(msg)
			syslog.syslog(syslog.LOG_ERR, msg)	
		return ""



	#delete a content from ns/container/content
	#path=ns/containerName/contentName
	#return error if an error occurs
	def remove_content(self, path):
		url    = GridUrl(path)
		try:
			self.client.remove_content(url.cid, url.content_name)

		except Exception as e:
			return "Failed to DELETE content [" + path + "] : "+str(e)
		except:
			return "Failed to DELETE content [" + path + "]: Unknown error"
		return ""