[IPython-dev] libreadline.so.5 missing in Canopy's IPython?
Fri Feb 21 12:19:37 CST 2014
On Fri, Feb 21, 2014 at 12:07 PM, Prabhu Ramachandran <
> On 2/21/14 11:05 PM, Name Name wrote:
> > I'm (partially) using IPython also out of Enthought's Canopy
> environment. Hopefully someone on this list is familiar with that.
> > I just upgraded to version 18.104.22.1685 only to find that I could not
> invoke the simple 'non-notebook' IPython shell anymore without error
> because of a missing libreadline.so.5.
> > I then realized, that indeed appdata/canopy-22.214.171.1245.rh5-x86_64/lib/
> is lacking libreadline.so.5 completely(?)
> > Also I realized that strangely/luckily
> appdata/canopy-126.96.36.1991.rh5-x86_64/lib/ of the earlier version was not
> deleted during update(?)
> > Moreover the 'old' appdata/canopy-188.8.131.521.rh5-x86_64/lib/ does
> contain libreadline.so.5
> > After putting links to the 'old' libreadline.so.5 into the new
> appdata/canopy-184.108.40.2065.rh5-x86_64/lib/ the 'non-notebook' IPython shell
> starts again without error.
> > Most likely all of this is not supposed to be. Does anyone have/had
> similar experiences? What am I missing here?
> Readline should have been installed in your user environment
> automatically after your upgrade so I am surprised it did not work for
> you. Do you have readline installed in your User environment? How are
> you launching IPython? You shouldn't have to touch your
> appdata/canopy-220.127.116.115.rh5-x86_64/lib/ and you can probably remove
> the older appdata/canopy-18.104.22.1681.rh5-x86_64/lib/ as well. If you
> don't see readline in your environment, install it using enpkg readline.
To underscore Prabhu's comment: You are running the wrong ipython.
Do not run ipython (or anything else other than canopy itself) from your
Run them from the User environment. For more information, see:
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