On Wed, Dec 23, 2015 at 09:53:38AM -0500, James B. Byrne wrote:
>
> On Wed, December 23, 2015 00:33, John R Pierce wrote:
>
> >
> > prefixing this with, I have no idea what Calibre is...
> >
>
> Calibre is an open source e-reader that handles mobi files along with
> many other e-reader formats. See: http://calibre-ebook.com/
>
> The last version supported on CentOS6 is v1.48. The latest version is
> v2.47.0.
>
>
> On Tue, December 22, 2015 22:06, Fred Smith wrote:
> > Attempting to install latest Calibre on Centos-7, getting:
> . . .
> > File "/usr/lib64/python2.7/httplib.py", line 1182, in __init__
> > context.load_cert_chain(cert_file, key_file)
> > ssl.SSLError: [SSL] PEM lib (_ssl.c:2757)
> >
> >
> > Can anybody advise me what this tells me? (other than SOMETHING wrong
> > with some certificate...)
>
>
> The error you are reporting may be due to some misconfiguration of the
> certificate chain in the Python libraries. Likely the case if you
> recently updated to 7.2 as others have reported the same thing. You
> can try to perform a manual download and install, thus bypassing the
> whole SSL mess, and see if that works. Quoting from the Calibre
> website:
>
> http://calibre-ebook.com/download_linux
>
> Manual binary install or reverting to a previous version
>
> If you wish to revert to an earlier calibre release or download a
> calibre upgrade manually, download the tarball of that release from
> here (choose the 32-bit or 64-bit version, as appropriate). Assuming
> you want calibre in /opt/calibre, run the following command, changing
> the path to calibre-tarball.txz below as appropriate:
>
> sudo mkdir -p /opt/calibre && sudo rm -rf /opt/calibre/* && sudo
> tar xvf /path/to/downloaded/calibre-tarball.txz -C /opt/calibre &&
> sudo /opt/calibre/calibre_postinstall
>
> HTH.
James:
Thanks for the detailed post.
On the Calibre forum, Kovid Goyal (Calibre maintainer) said basically
the same thing, so I did the manual install.
I'm wondering, is this a Python (packaging??) bug that needs to be put
in Centos and/or RH bug databases?
thanks again!
Fred
--
---- Fred Smith -- fredex@xxxxxxxxxxxxxxxxxxxxxx -----------------------------
The Lord is like a strong tower.
Those who do what is right can run to him for safety.
--------------------------- Proverbs 18:10 (niv) -----------------------------
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