def plcReadConfigVar(catID, varID, configFile=DEF_PLC_CONFIG_FILE):
"""
Returns the value of the specified variable.
"""
plcc = PLCConfiguration(configFile)
ret = plcc.get(catID, varID)
if ret == None:
return None
for d in ret:
if d['id'] == varID:
ret = d['value']
break
pass
return ret
def plcUpdateConfig(variables, configFile=DEF_PLC_CONFIG_FILE):
"""
Update the default planetlab config file.
Arguments:
variables = list of dicts or lists
configFile = alternate planetlab config file
Example: to set plc_www/host (i.e., PLC_WWW_HOST in myplc docs), do
variables[0] = { 'category' : 'plc_www',
'variable' : 'host',
'value' : <value> }
or
variables[0] = [ 'plc_www','host',<value> ]
"""
plcc = PLCConfiguration(configFile)
for obj in variables:
catDict = dict()
varDict = dict()
if type(obj) == list:
catDict['id'] = obj[0]
varDict['id'] = obj[1]
varDict['value'] = obj[2]
pass
elif type(obj) == dict:
catDict['id'] = obj['category']
varDict['id'] = obj['variable']
varDict['value'] = obj['value']
pass
else:
raise "Unsupported variable object!"
plcc.set(catDict, varDict)
pass
plcc.save()
pass
