Aha! Looks like you've installed Python...maybe using a version manager? 
Not familiar with Python tooling. Somewhere other than /usr(/local)/bin, 
though. GUI apps don't pick up changes to your PATH that you make in 
.bashrc/.profile/etc. So when QS executes /usr/bin/env python, what env 
finds is /usr/bin/python, and PYTHONPATH and all the other associated 
variables are also not set/set to their system defaults.

In Snow Leopard, you could fix this by creating a file 
`~/.MacOSX/environment.plist`, a dict of VAR_NAME -> 'value'. That no 
longer works, and unfortunately there's no longer a way to do it per-user 
at all. What you *can* do is edit /etc/launchd.conf—plain text file, syntax 
is `setenv VAR_NAME value`. This will apply to the entire system, though, 
so be at least a *little* cautious of putting things *ahead* of the normal 
PATH, which is what you'd need in this case. (I do it, but there are 
certainly dangers.)

If QS is the only application you care about this for (but it's often 
not—any IDE or other tool that can run scripts probably wants the same 
envvars as your shell as well), you could also make a script, shell, Apple 
or otherwise, that launches Quicksilver after manually setting the PATH. As 
long as QS is launched with this script, it will have the right PATH and 
shell scripts will work. (Google `appify.sh` for how to turn such a script 
into an "application" that will work correctly if you add it to your login 
items.)

Extending this slightly, if *most* of the apps that matter are launched 
manually, after you log in, you could have launchd run a script on login 
that turns back around and calls `launchctl setenv VAR val...`. Any apps 
already launched won't be affected, though, and launchd does stuff in 
undefined order. Although there are ways to semi-force it to do stuff in 
order, so maybe...

Caaaaan you tell I've dealt with this before? :/ environment.plist really 
was a near-perfect solution, I don't know why it was removed. Hope the 
above is helpful.

On Monday, March 31, 2014 10:14:09 PM UTC-4, lopmenhed wrote:
>
> OK, thank you both. For posterity: `#!/usr/bin/env python` did not work 
> for me, but providing the full path to Python did.
>
> On Monday, March 31, 2014 2:39:23 PM UTC-4, 1.61803 wrote:
>>
>> On Monday, March 31, 2014 12:35:50 AM UTC+2, lopmenhed wrote:
>>
>>> Thank you, 1.61803. But do you have a specific suggestion about how this 
>>> might help? I'm unable to see how it fits in.
>>>
>>
>> on open files -- instead of process text
>> do shell script "/usr/bin/python " & command
>>
>> and the necessary adjustments.
>>
>> But it seems that Rob's suggestion works by itself. So I would stick to 
>> the builtin action.
>>
>

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