[yt-users] Fwd: Readline service not available

[Sam Geen]

Out of interest, how much of a bad idea would it be to provide an option 
to install yt to the default pythonpath? I looked at it in the past but 
didn't get particularly far (installing dependencies is not something 
that's particularly my forte...)

On 06/11/11 02:50, Casey W. Stark wrote:
> Hi Chao.
>
> Are you certain that this command installed readline to your yt python 
> environment? I'm not certain how pip determines which python 
> site-packages to install to, but I think it depends on 
> PYTHONPATH/PYTHONHOME. Anyone know about this?
>
> I recommend...
>
> $ source /path/to/yt/bin/activate
> $ pip install readline
>
> You can check that it installed to the right place by navigating to 
> /path/to/yt/lib/python2.7/site-packages/ and seeing if the readline 
> package is there. If it is there and still doesn't work, then this is 
> really weird...
>
> Either way, we should fix this line of the docs because it assumes yt 
> is installed to ~/yt and it doesn't say anything about setting env 
> vars or using activate. Something like /path/to/yt?
>
> Best,
> Casey
>
>
> On Sat, Nov 5, 2011 at 6:19 PM, Chao Shi <shichao116 at gmail.com 
> <mailto:shichao116 at gmail.com>> wrote:
>
>     BTW, I already tried the method in the FAQ
>     http://yt-project.org/doc/faq.html#i-can-t-scroll-up-to-previous-commands-inside-iyt,
>     but it still dosen't work.
>
>
>     ---------- Forwarded message ----------
>     From: *Chao Shi* <shichao116 at gmail.com <mailto:shichao116 at gmail.com>>
>     Date: Sat, Nov 5, 2011 at 8:01 PM
>     Subject: Readline service not available
>     To: yt-users at lists.spacepope.org <mailto:yt-users at lists.spacepope.org>
>
>
>     Hello everyone,
>
>     I'm Chao, just started to learn how to use yt and python.
>
>     After I installed yt following the instruction in the main page,
>     when I invoke iyt
>     or ipython, waring of "Readline Services not available on this
>     platform" and "The
>     auto-indent feature requires the readline library' came out.
>
>     I'm using Ubuntu11.10 shipped with python2.7.2+ and when I run
>     this version, readline
>     is available. But I was installing yt, it seems that python2.7.1
>     was installed along with yt,
>     and consequently ipython and iyt was built upon python2.7.1. I
>     tried python2.7.1 and
>     showed that the readline is not available, and so does iyt and
>     ipython. I don't know whether
>     multiple versions of python caused this problem and I don't know
>     how to solve it. Can
>     anyone give some guidance? I'm new to linux and I apologize if
>     this problem is
>     too obvious to experienced users. But I haven't found effective
>     solution on google.
>
>     Thanks,
>
>     Chao
>
>
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>
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