def listNodes(configsetname):
"""
Return list of node numbers in stored configuration set
"""
def isConfig(f): return len(f) == 2 and f[1] == "xml"
def nodeNum(f): return f[0]
def splitName(f): return f.split('.', 2)
cnfset = ConfigSet.configsetPath(configsetname)
nodes = map(splitName, os.listdir(cnfset))
return map(nodeNum, filter(isConfig, nodes))
def configPath(configsetname, node):
"""
Returns the path name corresponding to a specified configuration.
"""
if not ConfigSet.exists(configsetname): return None
return os.path.join(ConfigSet.configsetPath(configsetname), node+".xml")
