Re: [Configobj-develop] getting line numbers of config file entries

[Michael F. <fuz...@vo...>]

Cameron Stone wrote:
> Michael Foord wrote:
>   
>> Cameron Stone wrote:
>>     
>>> Michael Foord wrote:
>>>   
>>>       
>>>> Cameron Stone wrote:
>>>>     
>>>>         
>>>>> I just found this very handy library, and I'm loving it.
>>>>>
>>>>> I'm using sections with options containing values that are
>>>>> comma-separated lists. These lists are meant to have 4 values, some of
>>>>> which can be empty.
>>>>>
>>>>> I have 2 questions:
>>>>>
>>>>> 1) I found the list_values parameter to turn off auto-conversion to
>>>>> list, because it was filtering out the empty entries (and returning
>>>>> lists with less than 4 entries). Is it possible to configure ConfigObj
>>>>> to leave the empty entries in the list?
>>>>>   
>>>>>       
>>>>>           
>>>> What do you mean by 'empty entries'?
>>>>     
>>>>         
>>> I mean the four entries look like:
>>> key_string = Value1,Value2, ,Value4
>>>   
>>>       
>> And how should the missing entry look - it isn't an empty string (''), 
>> it isn't None - it just isn't there. That should probably be a syntax error.
>>     
>
> I was thinking it should imitate string.split:
>
>   
>>>> "Value1,Value2,,Value4".split(',')
>>>>         
> ['Value1', 'Value2', '', 'Value4']
>
> I'm doing it that way manually at present, but I'm not sure what the
> benefit of removing the missing entries is.
>
>   

Hmm... well on reflection it ought to either be a syntax error or come 
in as empty string. I guess empty string makes most sense. I'm doing an 
update to ConfigObj soon to address a couple of issues and see if I can 
include this.

Thanks

Michael

>> How about getting your users to put an empty string instead?
>>     
>
>
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