On 17/01/2011, at 3:06 AM, derek wrote:
On Jan 16, 11:16 am, Laurence Rowe <[email protected]> wrote:
hvelarde wrote:
guys, is a very bad practice not to write uninstallers (and tests
for
them) in your products.
Unfortunately it is almost impossible to write an uninstaller - as
even
removing a persistent component registration does not remove all
references
to that key.
I'm so thrilled to see that from someone I consider an authoritative
source! "Almost impossible" probably explains why I've yet to find an
even half-way decent howto.
And for people who write packages as part of customer projects,
it is difficult to justify the time to write an uninstaller.
Exactly. I'd bite the bullet and try to write a good uninstaller if I
was making products for the general public, but for my one-off
customer projects it really doesn't seem worth the effort.
I think the
real solution to this is to make content import/export work work
correctly
(getting close with transmogrifier) so that you can zap and
recreate a site
complete with content.
Close, but still no cigar. Dylan's done a good job with funnelweb, as
far as it goes, but there's still a major manual component in
importing content.
Funnelweb is for "random site"->Plone conversions. There are much
better tools for Plone->Plone content migrations since they can make
more assumptions and gain deeper access to the data. Is there a name
for these?
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