Re: [mh] DateTime::Locale

Paul,

There's been much discussion in the past year about the MH philosophy of 
including CPAN Perl modules in the distribution.  Essentially it came 
out of an interest in having MH "just work" out of the box (e.g. not 
require a lot of prereqs).  This lead to a number of cases where the 
core MH worked, but user code used within MH didn't be the user code was 
expecting newer versions of modules.

I undertook a task to move as many of them as I could to a new library 
called "fallback", which I placed at the very end of the Perl include 
library list so they would only be used as a last resort on systems that 
had no newer versions.  I moved *lots*, but there were some that 
appeared to have been "locally modified" (that is, by some possibly past 
MH developer). These were no longer merely predecessors of current CPAN 
versions, and I didn't feel I could safely move them without a lot more 
study. Given the magnitude of the change I was making already (and has 
generally worked quite well for quite a while now except for a batch of 
files in bin I forgot to adjust), I decided not to try to add those into 
the immediate task. Thus there are a few really old modules still living 
in MH's base libraries instead of the fallback library. I don't have the 
list of these not-quite-CPAN modules anymore, but Date::Locale sounds 
like it fits the bill. If somebody wants to study it as to compared to 
the current version and conclude that the current version is a drop-in 
replacement for it, I'm completely fine with moving it to fallback. (Or, 
someone else can decide to move them to fallback -- it doesn't have to 
be just me.)

In short, MH supplies old versions that haven't been updated in a long 
time out of a particular philosophical perspective. Recent work meant 
that most of these old versions would be used only as a last resort, but 
a few appear to have been modified and those still appear early in the 
MH Perl include list. They can be moved to fallback if someone wants to 
analyze them and determine that that is a safe thing to do.

-Brian M

On 12/21/20 3:00 PM, Paul Onley wrote:
> After downloading the latest Master Branch to try working with the 
> Tasmota code I ran into an error trying to start mh. During startup mh 
> reports an error that DateTime::Locale 1.06 is required but that only 
> 0.34 is available. I had a newer version installed in my perl libs but 
> finally found that mh ships with 0.34 in lib/site/DateTime. I replaced 
> that Locale.pm with the one in my perl libs and all is fine now. Is 
> there a reason that mh ships with the rather old version?
>
>
>
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