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luckyb
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Post subject: python plasma widgets
Posted: 01.03.2011, 19:31
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Joined: 2010-09-17
Posts: 25
Location: Athens, Greece
Status: Offline
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I cannot get python based plasma widgets to work.
The widgets show up with the following error:
Code:
This object could not be created for the following reason:
Could not create a python scriptengine for the <XYZ> widget
Apparently my system misses some packages
I've tried to install plasma-scriptengine-python but...
Code:
The following packages have unmet dependencies:
plasma-scriptengine-python : Depends: python-kde4 (>= 4:4.2.0) but it is not going to be installed
E: Broken packages
I've also tried to install python-dev, kdebindings-python, kdeplasma-addons, kdebase-workspace-python because of some search engine results but none improved the situation.
I would appreciate any guidelines  |
Last edited by luckyb on 04.03.2011, 16:28; edited 1 time in total
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DeepDayze
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Post subject: RE: python plasma widgets
Posted: 01.03.2011, 20:30
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Joined: 2010-09-11
Posts: 609
Location: USA
Status: Offline
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| Did you try installing python-kde4? |
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luckyb
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Post subject: RE: python plasma widgets
Posted: 01.03.2011, 20:39
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Joined: 2010-09-17
Posts: 25
Location: Athens, Greece
Status: Offline
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thanks for the answer deepDayze
yes, sorry for not mentioning.
There seems to be a chain of dependencies that ends up at libqtcore4 which is already the newest verison:
Code:
apt-get install python-qt4
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
python-qt4 : Depends: libqt4-assistant (>= 4:4.5.3) but it is not going to be installed
Depends: sip-api-7.1 but it is not installable
E: Broken packages
root@luckyb-laptop:/home/luckyb# apt-get install libqt4-assistant
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
libqt4-assistant : Depends: libqt4-network (= 4:4.6.3-4) but 4:4.7.0~beta2-3 is to be installed
Depends: libqtcore4 (= 4:4.6.3-4) but 4:4.7.0~beta2-3 is to be installed
E: Broken packages
root@luckyb-laptop:/home/luckyb# apt-get install libqt4-network
Reading package lists... Done
Building dependency tree
Reading state information... Done
libqt4-network is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 64 not upgraded.
root@luckyb-laptop:/home/luckyb# apt-get install libqtcore4
Reading package lists... Done
Building dependency tree
Reading state information... Done
libqtcore4 is already the newest version.
0 upgraded, 0 newly installed, 0 to remove and 64 not upgraded.
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DeepDayze
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Post subject: RE: python plasma widgets
Posted: 01.03.2011, 20:58
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Joined: 2010-09-11
Posts: 609
Location: USA
Status: Offline
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aha!
Did you happen to install the newest python-sip package? That package breaks the dependencies as it updates sip-api to 8.0 and python-kde4 needs sip-api-7.1 |
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detaos
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Post subject: RE: python plasma widgets
Posted: 01.03.2011, 21:43
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Team Member

Joined: 2010-08-26
Posts: 165
Location: floating in the ether
Status: Offline
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luckyb
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Post subject: RE: python plasma widgets
Posted: 01.03.2011, 22:25
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Joined: 2010-09-17
Posts: 25
Location: Athens, Greece
Status: Offline
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damn, who do I owe 10 bucks to ??
Code:
Package: python-sip
Priority: optional
Section: python
Installed-Size: 496
Maintainer: Debian Python Modules Team <python>
Architecture: amd64
Source: sip4
Version: 4.12.1-1
Provides: python2.5-sip, python2.6-sip, sip-api-8.0, sip-api-8.1
...and why haven't I kept my promise to read those upgrade warnings before I answer "yes I do"
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DeepDayze
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Post subject: RE: python plasma widgets
Posted: 02.03.2011, 01:08
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Joined: 2010-09-11
Posts: 609
Location: USA
Status: Offline
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| Try to rollback python-sip to the one in testing then try installing python-kde4 again |
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Post subject: RE: python plasma widgets
Posted: 02.03.2011, 08:10
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Moderator

Joined: 2010-09-11
Posts: 464
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| Now python-sip problem is solved. so you can install all the chain smoothly. |
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luckyb
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Post subject: RE: python plasma widgets
Posted: 02.03.2011, 14:19
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Joined: 2010-09-17
Posts: 25
Location: Athens, Greece
Status: Offline
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thank you all for the answers
unfortunately the python-sip issue is not solved yet.
I did install the previous version, as DeepDayze suggested but there is still a dependency chain that more or less goes as follows:
Code:
python-kde4 : Depends: python-qt4 but it is not going to be installed
python-qt4 : Depends: libqt4-assistant (>= 4:4.5.3) but it is not going to be installed
libqt4-assistant : Depends: libqt4-network (= 4:4.6.3-4) but 4:4.7.0~beta2-3 is to be installed
Depends: libqtcore4 (= 4:4.6.3-4) but 4:4.7.0~beta2-3 is to be installed
The last 2 (libqt4-network & libqtcore4) are already installed at my system (version 4.7.0~beta2-3)
I assume that this is just a dependency error that is going to be solved some day.
I suggest that I wait for that day and then confirm that the plasma-scriptengine-python package will bring my python widgets back to life... |
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luckyb
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Post subject: RE: python plasma widgets
Posted: 02.03.2011, 14:22
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Joined: 2010-09-17
Posts: 25
Location: Athens, Greece
Status: Offline
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...I nearly forgot:
please do not suggest to downgrade libqt4core4 because I simulated the command and the resulting "packages will be REMOVED" list, freaked me out  |
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Post subject: RE: python plasma widgets
Posted: 02.03.2011, 16:00
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Moderator

Joined: 2010-09-11
Posts: 464
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Indeed, python-kde4 is still depending <sip>,
(as well as other qt's lib as your post suggests) so,
not "all the chain" is installable yet. Sorry. |
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Post subject:
Posted: 03.03.2011, 21:34
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Joined: 2010-10-29
Posts: 40
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Quote:
libqt4-assistant : Depends: libqt4-network (= 4:4.6.3-4) but 4:4.7.0~beta2-3 is to be installed
Depends: libqtcore4 (= 4:4.6.3-4) but 4:4.7.0~beta2-3 is to be installed
You did not by chance install these two packages from experimental some time ago? Try
Code:
apt-get install --reinstall libqtcore4/sid libqt4-network/sid
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luckyb
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Post subject:
Posted: 03.03.2011, 22:08
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Joined: 2010-09-17
Posts: 25
Location: Athens, Greece
Status: Offline
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thank you Ilinsekt, you seem to be right
This is weird though. My debian.list just includes the sid repo and I don't remember installing anything deliberately from experimental !!
reinstalling from sid as you suggest will downgrade the 2 packages but will also remove 277  |
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agaida
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Post subject:
Posted: 03.03.2011, 22:28
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Joined: 2011-01-16
Posts: 22
Location: Bielefeld
Status: Offline
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| There is an easy solution. Wait for the debian guys get python-kde4 build in the new version with the new dependencies. Maybe one or two weeks (or more .. it's done when it's done) |
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luckyb
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Post subject:
Posted: 04.03.2011, 05:56
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Joined: 2010-09-17
Posts: 25
Location: Athens, Greece
Status: Offline
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Indeed, somehow my system got sid mixed with experimental (I must have done sth, I just don't recall).
Instead of trying some apt magic (and completely ruin it) it would be better to just wait as you suggest. |
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