Ian Bicking wrote:
> Phillip J. Eby wrote:
>
>> At 11:50 AM 5/17/2006 -0400, Jim Fulton wrote:
>>
>>> I seem to remember a threat from from Phillip to make a proposal
>>> for installing script-specific ,pth files with scripts, but I don't
>>> think I every saw anything.
>>
>>
>>
>> I haven't done it yet, mainly because I haven't decided how it should
>> work, exactly. Mostly I'm concerned that it seems to need a bunch of
>> options in order to support all the use cases that have been requested.
>>
>> For example, you've asked mainly that all the requirements be
>> pre-baked, and Ian has asked also that nothing "leak into" the current
>> environment that isn't pre-baked. (Which is also a reasonable
>> requirement for high-security scripts.)
I actually don't know what this means. :)
>
> It's also a reasonable requirement for scripts you don't want breaking
> randomly. These continue to be my bane.
>
> What are the use cases?
I want to be able to install multiple programs ("scripts"), each with their
own dependencies. Note that different programs might depend on
different versions of the same package.
I want to be able to update a package for one program without
implicitly affecting the others. (This is a restatement of your
desire not to get implicit updates)
I want everything to be installed in a self-contained project,
ala your working environment. I don't want to touch a Python install.
I to be able to use a simple install script, like easy_install.
I don't want to have to set environment variables or provide funny
options when I run programs. I'd like to minimize this when installing things.
I want the system to be simple and understandable. I'm willing to sacrifice
a lot of automation for this. "Explicit is better than implicit." :)
It should be possible to move or link scripts around. It is not a requirement
for me to be able to move an environment without running some program to
adjust paths, as long as such a program exists.
Jim
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