getopt index out of range

[MRAB]

Steve Holden wrote:
> Matthew Sacks wrote:
>> Hi List,
>> I am getting an index out of range error when trying to parse with getopt.
>> Probably something simple. Any suggestions are appreciated
>>
>> optlist, args = getopt.getopt(sys.argv[1:], 'h', ['connectPassword=',
>> 'adminServerURL=', 'action=', 'targets=', 'appDir='])
>>
>>
>> #Assign Opts
>> connectPassword = optlist[0][1]
>> adminServerURL = optlist[1][1]
>> action = optlist[2][1]
>> targets = optlist[3][1]
>> appDir = optlist[4][1]
>>
>> #this statement never gets executed
>> print "Args: " + connectPassword + " " + adminServerURL + " " + action
>> + " " + targets + " " + appDir
>>
>>   File "/home/msacks/untitled4.py", line 23, in ?
>> IndexError: index out of range: 0
>>
> It might help a little if you made it more obvious which was line 23 ...
> 
It a guess I'd say it was:

     connectPassword = optlist[0][1]

because the traceback says the index is 0 and there's only one line with 
a 0 in it!

> The real problem, though, is a misunderstanding of what getopt.getopt()
> returns. The (option, value) pairs are only returned for options found
> in the command line, so you can't guarantee there'll be four.
> 
> Set your values to defaults, then adjust for those for which an option
> is found in the list, as in the "typical usage" example in the Fine Manual.
>