[yt-users] yt-users Digest, Vol 45, Issue 6

Nathan Goldbaum goldbaum at ucolick.org
Sun May 27 01:17:46 PDT 2012


Hi Chao,

This is a stab in the dark, but do you have the libncurses5-dev package installed?  If not, can you try doing:

sudo apt-get install libncurses5-dev

and then retry pip install readline.  I'm unfortunately not running Kubuntu so I can't reproduce your issue.

-Nathan

On May 27, 2012, at 12:34 AM, Chao Shi wrote:

> Hi,
> 
> Recently I changed my OS from ubuntu to Kubuntu 12.04 LTS so I re-installed yt, and the old readline problem comes up again:
> 
> While I'm in the script environment of python that comes with yt, the readline service is not available.(That's why I pulled out this old message).
> 
> I followed all the suggestions from this email which helped me solved this problem previously, but it doesn't work this time:
> 
> First I followed Elizabeth and Casey's suggestion tried to pip install readline, but it keeps saying "libncurses.a: could not read symbols: Bad value" and then "error: gcc fails and exit with status 1". 
> 
> After searching for a quite a while without any luck on web, I tried to build readline directly in ~/yt-x86_64/lib/python2.7/site-packages, guessing that might work. But it turned out still not working.
> 
> Can anyone help me out with this?
> 
> Thanks a lot,
> 
> Chao
> 
> On Sat, Nov 5, 2011 at 9:57 PM, <yt-users-request at lists.spacepope.org> wrote:
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> Today's Topics:
> 
>   1. Readline service not available (Chao Shi)
>   2. Re: Readline service not available (j s oishi)
>   3. Re: Readline service not available (Elizabeth Tasker)
>   4. Re: Readline service not available (Casey W. Stark)
>   5. Fwd: Readline service not available (Chao Shi)
>   6. Re: Fwd: Readline service not available (Casey W. Stark)
> 
> 
> ----------------------------------------------------------------------
> 
> Message: 1
> Date: Sat, 5 Nov 2011 20:01:26 -0400
> From: Chao Shi <shichao116 at gmail.com>
> To: yt-users at lists.spacepope.org
> Subject: [yt-users] Readline service not available
> Message-ID:
>        <CA+P3+n-f-rMpGUs=h59LCS8o=Fbous_VypFBak+HxNAoE+7fNA at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> 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
> -------------- next part --------------
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> 
> ------------------------------
> 
> Message: 2
> Date: Sat, 5 Nov 2011 17:30:50 -0700
> From: j s oishi <jsoishi at gmail.com>
> To: Discussion of the yt analysis package
>        <yt-users at lists.spacepope.org>
> Subject: Re: [yt-users] Readline service not available
> Message-ID:
>        <CAAOZTN_taMC3+fxCgSHsAAiZpDm-SRJqV1h=Ld7PC9twt9AyXQ at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Hi Chao,
> 
> Welcome to yt! My apologies for this. By using the install script, you
> get a complete python environment that is completely isolated from
> your system. This means that you can be assured if something goes
> wrong with the yt install, you haven't touched your system python at
> all. As it happens, we just fixed this problem a few days ago, and it
> hasn't propagated to the stable branch yet. Could you try to install
> from the development branch, by downloading the install script from
> 
> $ wget http://hg.yt-project.org/yt/raw/yt/doc/install_script.sh
> $ bash install_script.sh
> 
> instead? This should fix your problem straight away. As it happens,
> Python 2.7.1 won't work on Ubuntu 11.10 very well at all. In the mean
> time, I will migrate the updated install script from the development
> branch to the stable branch.
> 
> You can just delete the entire yt directory that you already
> installed, and it will not interfere with anything.
> 
> Again, welcome to yt!
> 
> Jeff
> 
> On Sat, Nov 5, 2011 at 5:01 PM, Chao Shi <shichao116 at gmail.com> wrote:
> > 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
> > _______________________________________________
> > yt-users mailing list
> > yt-users at lists.spacepope.org
> > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
> >
> >
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Sun, 6 Nov 2011 09:36:32 +0900
> From: Elizabeth Tasker <tasker at astro1.sci.hokudai.ac.jp>
> To: Discussion of the yt analysis package
>        <yt-users at lists.spacepope.org>
> Subject: Re: [yt-users] Readline service not available
> Message-ID:
>        <EFE4787E-6CE4-46A3-8610-F2B1DD0B8A29 at astro1.sci.hokudai.ac.jp>
> Content-Type: text/plain; charset=us-ascii
> 
> Hi Chao,
> 
> In case Jeff's solution doesn't work, try installing readline using "pip" which is part of the yt package:
> 
> ~/yt/bin/pip  install readline
> 
> For some reason, I get similar problems with readline even though it's blatantly on the system already.
> 
> Elizabeth
> 
> 
> On 2011-11-06, at 9:01 AM, Chao Shi wrote:
> 
> > 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
> > _______________________________________________
> > yt-users mailing list
> > yt-users at lists.spacepope.org
> > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
> 
> 
> 
> ------------------------------
> 
> Message: 4
> Date: Sat, 5 Nov 2011 18:13:04 -0700
> From: "Casey W. Stark" <caseywstark at gmail.com>
> To: Discussion of the yt analysis package
>        <yt-users at lists.spacepope.org>
> Subject: Re: [yt-users] Readline service not available
> Message-ID:
>        <CAPQaySUX31N2ECLEwpa5_686dtkAtoC2oXCqV9+cFC5yeCg6fw at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Hi all.
> 
> Yeah, I've seen this a few times. GNU readline is installed by default on
> Ubuntu, so you should be good there (you have to get it yourself on Macs).
> The python package readline is the Python interface for GNU readline, see
> http://docs.python.org/library/readline.html. So, even if you have python
> readline installed on the default (system) python site-packages, you need
> to install it again in your yt site-packages.
> 
> Best,
> Casey
> 
> 
> On Sat, Nov 5, 2011 at 5:36 PM, Elizabeth Tasker <
> tasker at astro1.sci.hokudai.ac.jp> wrote:
> 
> > Hi Chao,
> >
> > In case Jeff's solution doesn't work, try installing readline using "pip"
> > which is part of the yt package:
> >
> > ~/yt/bin/pip  install readline
> >
> > For some reason, I get similar problems with readline even though it's
> > blatantly on the system already.
> >
> > Elizabeth
> >
> >
> > On 2011-11-06, at 9:01 AM, Chao Shi wrote:
> >
> > > 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
> > > _______________________________________________
> > > yt-users mailing list
> > > yt-users at lists.spacepope.org
> > > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
> >
> > _______________________________________________
> > yt-users mailing list
> > yt-users at lists.spacepope.org
> > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
> >
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> 
> ------------------------------
> 
> Message: 5
> Date: Sat, 5 Nov 2011 21:19:52 -0400
> From: Chao Shi <shichao116 at gmail.com>
> To: yt-users at lists.spacepope.org
> Subject: [yt-users] Fwd: Readline service not available
> Message-ID:
>        <CA+P3+n_G3OsY8waot575wsw2vTqbKNRekYX0sLT3z4n8OLwkUA at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> 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>
> Date: Sat, Nov 5, 2011 at 8:01 PM
> Subject: Readline service not available
> To: 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
> -------------- next part --------------
> An HTML attachment was scrubbed...
> URL: <http://lists.spacepope.org/pipermail/yt-users-spacepope.org/attachments/20111105/316b14c8/attachment-0001.htm>
> 
> ------------------------------
> 
> Message: 6
> Date: Sat, 5 Nov 2011 18:50:52 -0700
> From: "Casey W. Stark" <caseywstark at gmail.com>
> To: Discussion of the yt analysis package
>        <yt-users at lists.spacepope.org>
> Subject: Re: [yt-users] Fwd: Readline service not available
> Message-ID:
>        <CAPQaySV-T7CATUrvguubUCKd=7vxb_+=9fohy6HAWWsU6P0erg at mail.gmail.com>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> 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> 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>
> > Date: Sat, Nov 5, 2011 at 8:01 PM
> > Subject: Readline service not available
> > To: 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
> >
> >
> > _______________________________________________
> > yt-users mailing list
> > yt-users at lists.spacepope.org
> > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
> >
> >
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> 
> _______________________________________________
> yt-users mailing list
> yt-users at lists.spacepope.org
> http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org
> 
> 
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