[IPython-dev] please don't rename old config files by default

[Eric Firing]

On 07/08/2011 07:09 PM, MinRK wrote:
> On Fri, Jul 8, 2011 at 20:25, Paul Ivanov<pivanov314 at gmail.com>  wrote:
>> While we Yanks were busy barbecuing on the 4th of July,  a
>> nocturnal bird of prey across the pond [hi Thomas! ;) ] made a
>> commit that I think should be altered back.
>
> Don't blame Thomas, he, Fernando, and I all participated in the
> decision, but I don't feel too strongly either way.
>
>>
>> The SHA1 is 75bb82ba3360d4d41032ae378a8ae42b8c877a09, with the
>> summary "Rename old config files if they are found and not
>> pristine."
>>
>> I think it will lead to a better user experience for users
>> transitioning to 0.11 if old config files are preserved and *not*
>> moved to get an additional .old extension the first time ipython
>> sees them.
>>
>> My rationale is that it's a little *too* helpful to move the old
>> files out of the way and not see the warning ever again, because
>> if the user missed it the first time, it'll never come up again.
>>
>> The whole point of the "nag" message is to *force* the user to
>> acknowledge and accept the presence of a new configuration
>> system, the first step of which can be as simple as adding
>> c.InteractiveShellApp.ignore_old_config=True to it.
>
> This is sound. it's a question of weighing the annoyance of many users
> seeing a warning they may not care about against the possible
> confusion of others when they aren't getting reminded until they
> address the issue.
>
>>
>> How does this sound:
>> https://github.com/ipython/ipython/pull/565
>
> Reasonable.  Can others weigh in?
>
> a) warn about old config until moved out of the way manually and/or
> ignore_old_config is set
> b) warn once and move out of the way, so warnings only appear once -
> set ignore_old_config if you need to keep using 0.10
> c) mysterious door number 3
>
> Either one seems fine to me.  Fernando and Thomas seemed to prefer b),
> Paul prefers a).

I am mildly on Paul's side on this; it is not a big deal either way, but 
(a) seems more polite and straightforward.  Which version will annoy 
more people in practice, though, I really can't predict.

Eric

>
> -MinRK
>
>>
>> --
>> Paul Ivanov
>> 314 address only used for lists,  off-list direct email at:
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