Auto-update Calibre?

[Geremia]

Is there a way to make Calibre automatically update whenever it detects a new version is available, so I don't have to run the following command manually?

sudo python -c "import sys; py3 = sys.version_info[0] > 2; u = __import__('urllib.request' if py3 else 'urllib', fromlist=1); exec(u.urlopen('http://status.calibre-ebook.com/linux_installer').read()); main(install_dir='/opt')"

thanks

[itimpi]

No, I am afraid not.

I believe there was a policy decision to leave updating as a manual process. Whether there were also technical issues in implementing it I am not sure. With Calibre updates issued every week and most people not wanting all updates this makes sense. I guess it also reduces the load on the servers that deliver updates.

[PeterT]

If you really wanted to you could just create a simple script that would ensure calobre was not running, and then issue the command required to download and install calibre, then schedule a cron job to run them once a week.

[Geremia]

Originally Posted by PeterT

If you really wanted to you could just create a simple script that would ensure calobre was not running, and then issue the command required to download and install calibre, then schedule a cron job to run them once a week.

Thanks
That's a good idea, especially since we know the releases are usually weekly on Fridays.

[theducks]

Originally Posted by Geremia

Thanks
That's a good idea, especially since we know the releases are usually weekly on Fridays.

A couple of things you could do to eliminate traffic/bogus updates when the schedule is 'off'

Use the CLI to evaluate calibre-debug --version
then get http://calibre-ebook.com/downloads/latest_version
and do a compare

[DoctorOhh]

Originally Posted by Geremia

Thanks
That's a good idea, especially since we know the releases are usually weekly on Fridays.

You could check out this thread found in the Related Tools forum.

[Geremia]

Originally Posted by DoctorOhh

You could check out this thread found in the Related Tools forum.

Thanks, but that's for Windows.

Here's what I did.

calibre_update.sh:

#!/bin/sh
killall calibre calibre-server
calibre_update.py
calibre-server --daemon

calibre_update.py:

#!/usr/bin/python                                                                                                             
import sys
py3 = sys.version_info[0] > 2
u = __import__('urllib.request' if py3 else 'urllib', fromlist=1)
exec(u.urlopen('http://status.calibre-ebook.com/linux_installer').read())
main(install_dir='/opt')

and added the following line to my Crontab

0 0 * * 6 calibre_update.sh > /dev/null 2>&1 &

the only issue is permissions. I changed everything in /opt/calibre/ to my non-root user permissions, so when updating calibre, it yielded these warnings:

____________________ WARNING ____________________
Setting up completion failed with error:
__________________________________________________
        Traceback (most recent call last):
          File "site-packages/calibre/linux.py", line 525, in setup_completion
        IOError: [Errno 13] Permesso negato: '/usr/share/bash-completion/calibre'

Setting up desktop integration...

____________________ WARNING ____________________
Setting up desktop integration failed with error:
__________________________________________________
        Traceback (most recent call last):
          File "site-packages/calibre/linux.py", line 712, in setup_desktop_integration
          File "site-packages/calibre/linux.py", line 77, in __exit__
        IOError: [Errno 13] Permesso negato: '/usr/local/share/applications/defaults.list'


____________________ WARNING ____________________
Creating uninstaller failed with error:
__________________________________________________
        Traceback (most recent call last):
          File "site-packages/calibre/linux.py", line 478, in create_uninstaller
        IOError: [Errno 13] Permesso negato: '/usr/bin/calibre-uninstall'

There were 3 warnings
* Setting up completion failed with error:

* Setting up desktop integration failed with error:

* Creating uninstaller failed with error:

Run "calibre" to start calibre

I guess it's no big deal, but I could use the root crontab instead.

[DoctorOhh]

Thanks for sharing your attempt.

Originally Posted by Geremia

Thanks, but that's for Windows.

You could always check out the Sticky post below the Windows sticky post which is an OSX solution. The script here may give you some ideas.

[Geremia]

Originally Posted by DoctorOhh

Thanks for sharing your attempt.

It actually works perfectly well when run in the root crontab.

Originally Posted by DoctorOhh

You could always check out the Sticky post below the Windows sticky post which is an OSX solution. The script here may give you some ideas.

Thanks

[Geremia]

Originally Posted by Geremia

It actually works perfectly well when run in the root crontab.

Actually, this isn't true. For some reason, the cronjob exits with error 127. See this unsolved StackOverflow question.

[eschwartz]

Originally Posted by Geremia

Actually, this isn't true. For some reason, the cronjob exits with error 127. See this unsolved StackOverflow question.

And Kovid fixed that. See here: Official calibre PPA? where we discussed updating via a script using that check.

This thread also has a nice elegant way of checking if there is an update available -- Kovid helped us thrash it out.

Here it is:

#!/bin/bash

calibre-debug -c "import urllib as u; from calibre.constants import numeric_version; raise SystemExit(int(numeric_version  < (tuple(map(int, u.urlopen('http://calibre-ebook.com/downloads/latest_version').read().split('.'))))))"

UP_TO_DATE=$?

if [ $UP_TO_DATE = 0 ]; then
        echo "Calibre is up-to-date"
else
        killall calibre calibre-server
        sudo python -c "import sys; py3 = sys.version_info[0] > 2; u = __import__('urllib.request' if py3 else 'urllib', fromlist=1); exec(u.urlopen('http://status.calibre-ebook.com/linux_installer').read()); main(install_dir='/opt')"
fi

[Geremia]

Originally Posted by eschwartz

#!/bin/bash

calibre-debug -c "import urllib as u; from calibre.constants import numeric_version; raise SystemExit(int(numeric_version  < (tuple(map(int, u.urlopen('http://calibre-ebook.com/downloads/latest_version').read().split('.'))))))"

UP_TO_DATE=$?

if [ $UP_TO_DATE = 0 ]; then
        echo "Calibre is up-to-date"
else
        killall calibre calibre-server
        sudo python -c "import sys; py3 = sys.version_info[0] > 2; u = __import__('urllib.request' if py3 else 'urllib', fromlist=1); exec(u.urlopen('http://status.calibre-ebook.com/linux_installer').read()); main(install_dir='/opt')"
fi

Wow, thanks for that, but I get this error:

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "<string>", line 356, in main
  File "<string>", line 192, in prints
TypeError: encode() argument 1 must be string, not None

[aleyx]

That's... kind of weird. Did you change the "install_dir='/opt'" part of the script? If I look at the code pointed by the traceback, it looks like the installer can't deal with whatever destination directory has been selected, or something.

[Geremia]

Originally Posted by aleyx

That's... kind of weird. Did you change the "install_dir='/opt'" part of the script? If I look at the code pointed by the traceback, it looks like the installer can't deal with whatever destination directory has been selected, or something.

No, I didn't change anything…

Yes, it is weird. I don't get the issue when running it manually, but I get the issue when the root (or my non-root user's) crontab runs it. Some strange permissions issue?

[aleyx]

Maybe we shouldn't try to resolve the same problem on two different threads ^^;;