[Distutils] [zc.buildout] running in safe mode

[Ian Bicking]

Jim Fulton wrote:
>> I know it is a bad practice for a recipe to return some paths that
>> contains important data in the install() method,
>> because zc.buildout might remove them.
>>
>> Nevertheless, it happens from time to time that a developer lose some
>> content because of a misconfiguration,
>> or a zealous recipe. That is his responsability, and backups are done 
>> for that.
> 
> I don't think backups are the right approach.  It's a mistake to have 
> recipes manage precious data.  If you really really really think that's 
> a good idea, then the recipe should at least manage uninstall and move 
> precious data aside, rather than remove it.
> 
> I don't think it is really the user's problem is a recipe misbehaves by 
> allowing precious data to be removed.

I'll note fassembler uses a file abstraction layer so that its recipes 
are safe by default: 
https://svn.openplans.org/svn/fassembler/trunk/fassembler/filemaker.py

I think buildout would be a lot more humane if it took the same approach.

-- 
Ian Bicking : ianb at colorstudy.com : http://blog.ianbicking.org