def __init__(self, Args={}):
"""
Constructor.
Initializes the NVS Api by reading configuration
parameters from nvs.config file OR from the parameters
passed through Args as a Python dictionary.
Parameters passed through Args take precedence
over parameters in nvs.config
For MODE=POST (Default Mode): Creates a http proxy, to be able to talk to NVS Server
"""
NvsConfig.__init__(self,Args)
if self.verbose():
print "configuration dictionary:", self.configDict
print "using version",self.version()
print "using mode ",self.mode()
#
# Connect to the Server proxy
#
self._server = ""
self._server = NvsHttpService(self.url(), "0", Args)
# Set up logging
if not self.configDict.has_key('level'):
self.configDict['level'] = "ERROR"
if not self.configDict.has_key('log'):
self.configDict['log'] = "STDOUT"
NvsLogger(self.loglevel(), self.log())
logging.log(NVSDEBUG, "NVS Api initialized")
class NvsApi(NvsConfig):
"""
NvsApi class, provides access to Nvs Server,
all clients must use this interface
"""
def __init__(self, Args={}):
"""
Constructor.
Initializes the NVS Api by reading configuration
parameters from nvs.config file OR from the parameters
passed through Args as a Python dictionary.
Parameters passed through Args take precedence
over parameters in nvs.config
For MODE=POST (Default Mode): Creates a http proxy, to be able to talk to NVS Server
"""
NvsConfig.__init__(self,Args)
if self.verbose():
print "configuration dictionary:", self.configDict
print "using version",self.version()
print "using mode ",self.mode()
#
# Connect to the Server proxy
#
self._server = ""
self._server = NvsHttpService(self.url(), "0", Args)
# Set up logging
if not self.configDict.has_key('level'):
self.configDict['level'] = "ERROR"
if not self.configDict.has_key('log'):
self.configDict['log'] = "STDOUT"
NvsLogger(self.loglevel(), self.log())
logging.log(NVSDEBUG, "NVS Api initialized")
# ------------------------------------------------------------
# nvsApi API Implementation follows
# ------------------------------------------------------------
def validate(self, name, type):
"""
returns:list of similar names if validation succeeds
examples:
api.validate(name = "relval", type = "Primary") :
raise: NvsException
"""
funcInfo = inspect.getframeinfo(inspect.currentframe())
logging.log(NVSDEBUG, "Api call invoked %s" % str(funcInfo[2]))
# Invoke Server.
data = self._server._call ({ 'name' : name, 'type' : type }, 'GET')
logging.log(NVSDEBUG, data)
if self.verbose():
print data
# Parse the resulting xml output.
result = []
class Handler (xml.sax.handler.ContentHandler):
def startElement(self, name, attrs):
if name == 'nvs_name':
tmp = {}
tmp['name'] = str(attrs['name'])
tmp['similarity'] = str(attrs['similarity'])
result.append(tmp)
xml.sax.parseString (data, Handler ())
return result
