Problems after updating to Linux Mint 19

patrik · 07-19-2018, 01:08 PM

(I really wanted to test more, but will post what I know this far in case someone else already have solved it.)

Sigil 0.9.9 on Linux Mint 18.3. All was well.
Upgraded to 19/Tara.

Now when trying to start Sigil, a windows pops up.

The window says: Embedded Python Error

Show Details gives:
Traceback (most recent call last):

File "/usr/local/share/sigil/python3lib/xmlprocessor.py", line 6, in <module>
from sigil_bs4.builder._lxml import LXMLTreeBuilderForXML

File "/usr/local/share/sigil/plugin_launchers/python/sigil_bs4/builder/_lxml.py", line 26, in <module>
from lxml import etree

Clicking close gives a new window saying:
ImportError: cannot import name 'etree'

Show Details gives:
error in xmlprocessor repairXML: -2

Traceback (most recent call last):

File "/usr/local/share/sigil/python3lib/xmlprocessor.py", line 6, in <module>
from sigil_bs4.builder._lxml import LXMLTreeBuilderForXML

File "/usr/local/share/sigil/plugin_launchers/python/sigil_bs4/builder/_lxml.py", line 26, in <module>
from lxml import etree

ImportError: cannot import name 'etree'

Clicking close shows window 1 again and it repeats itself (win1 -> win2 -> win1 -> win2 -> win1 etc.). Have to kill it manually in CLI.

--

As python3 looked ok as far as I could tell (which is not much...) I thought I would try to compile Sigil again.

The step configure Sigil before build stopped. Got resolved by installing "qttools5-dev" (qttools5-dev-tools was already installed).

Now trying to run make:
/usr/bin/x86_64-linux-gnu-ld: cannot find -lzlib
collect2: error: ld returned 1 exit status

zlib1g-dev is installed.

I googled some and tried to install pretty much anything I could find around "zlib".

And that's where I am right now.

KevinH · 07-19-2018, 03:54 PM

Your Linux Mint installation is missing many python packages (etree, etc) and libraries such as zlib or its headers.

Please review the building on Linux to makesure you install all of the required packages.

patrik · 07-19-2018, 04:11 PM

Well... I have gone through Building_On_Linux several times making sure I have everything installed so if there is more required I'm not sure how to know what that is. (And the 18.3-system worked for building several Sigil-versions.)

Could there be some paths that need to be set? (Or something that the upgrade could have changed?)

I have searched for others asking about pythonproblems after the upgrade, but so far not finding anything.

I'm probably doing something stupid as usual...

DiapDealer · 07-19-2018, 05:11 PM

That's why I gave up on Mint. The in-place upgrade path between major versions was always awkward and plagued with random breakage.

Sigil 0.9.9 is in the Bionic repos. There's no real need to build Sigil from scratch if you don't want to. Just "sudo apt-get install" it. Just make sure to install all those recommended python3-* packages listed if you want to have a fully-functional Sigil plugin framework.

patrik · 07-19-2018, 05:23 PM

Ok, thanks. Installed from there and all seems to work fine.

DiapDealer · 07-19-2018, 07:04 PM

Glad to hear it. Unless you're doing Sigil development (or you have no other choice), it's almost always better to stick with package-manager installed versions*. They're typically much more upgrade-proof.

* calibre being the exception, of course. You should always use Kovid's binary installer for that rather than the repo version.

07-19-2018, 01:08 PM	#1
patrik Guru Posts: 682 Karma: 4568205 Join Date: Jan 2010 Location: Sweden Device: Kobo Forma	Problems after updating to Linux Mint 19 (I really wanted to test more, but will post what I know this far in case someone else already have solved it.) Sigil 0.9.9 on Linux Mint 18.3. All was well. Upgraded to 19/Tara. Now when trying to start Sigil, a windows pops up. The window says: Embedded Python Error Show Details gives: Traceback (most recent call last): File "/usr/local/share/sigil/python3lib/xmlprocessor.py", line 6, in <module> from sigil_bs4.builder._lxml import LXMLTreeBuilderForXML File "/usr/local/share/sigil/plugin_launchers/python/sigil_bs4/builder/_lxml.py", line 26, in <module> from lxml import etree Clicking close gives a new window saying: ImportError: cannot import name 'etree' Show Details gives: error in xmlprocessor repairXML: -2 Traceback (most recent call last): File "/usr/local/share/sigil/python3lib/xmlprocessor.py", line 6, in <module> from sigil_bs4.builder._lxml import LXMLTreeBuilderForXML File "/usr/local/share/sigil/plugin_launchers/python/sigil_bs4/builder/_lxml.py", line 26, in <module> from lxml import etree ImportError: cannot import name 'etree' Clicking close shows window 1 again and it repeats itself (win1 -> win2 -> win1 -> win2 -> win1 etc.). Have to kill it manually in CLI. -- As python3 looked ok as far as I could tell (which is not much...) I thought I would try to compile Sigil again. The step configure Sigil before build stopped. Got resolved by installing "qttools5-dev" (qttools5-dev-tools was already installed). Now trying to run make: /usr/bin/x86_64-linux-gnu-ld: cannot find -lzlib collect2: error: ld returned 1 exit status zlib1g-dev is installed. I googled some and tried to install pretty much anything I could find around "zlib". And that's where I am right now.

07-19-2018, 04:11 PM	#3
patrik Guru Posts: 682 Karma: 4568205 Join Date: Jan 2010 Location: Sweden Device: Kobo Forma	Well... I have gone through Building_On_Linux several times making sure I have everything installed so if there is more required I'm not sure how to know what that is. (And the 18.3-system worked for building several Sigil-versions.) Could there be some paths that need to be set? (Or something that the upgrade could have changed?) I have searched for others asking about pythonproblems after the upgrade, but so far not finding anything. I'm probably doing something stupid as usual... Last edited by patrik; 07-19-2018 at 04:59 PM.

07-19-2018, 05:11 PM	#4
DiapDealer Grand Sorcerer Posts: 28,352 Karma: 203720150 Join Date: Jan 2010 Device: Nexus 7, Kindle Fire HD	That's why I gave up on Mint. The in-place upgrade path between major versions was always awkward and plagued with random breakage. Sigil 0.9.9 is in the Bionic repos. There's no real need to build Sigil from scratch if you don't want to. Just "sudo apt-get install" it. Just make sure to install all those recommended python3-* packages listed if you want to have a fully-functional Sigil plugin framework. Last edited by DiapDealer; 07-19-2018 at 05:14 PM.

07-19-2018, 07:04 PM	#6
DiapDealer Grand Sorcerer Posts: 28,352 Karma: 203720150 Join Date: Jan 2010 Device: Nexus 7, Kindle Fire HD	Glad to hear it. Unless you're doing Sigil development (or you have no other choice), it's almost always better to stick with package-manager installed versions. They're typically much more upgrade-proof. calibre being the exception, of course. You should always use Kovid's binary installer for that rather than the repo version. Last edited by DiapDealer; 07-20-2018 at 11:42 AM.

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07-19-2018, 03:54 PM	#2
KevinH Sigil Developer Posts: 8,453 Karma: 5703586 Join Date: Nov 2009 Device: many	Your Linux Mint installation is missing many python packages (etree, etc) and libraries such as zlib or its headers. Please review the building on Linux to makesure you install all of the required packages.

07-19-2018, 05:23 PM	#5
patrik Guru Posts: 682 Karma: 4568205 Join Date: Jan 2010 Location: Sweden Device: Kobo Forma	Ok, thanks. Installed from there and all seems to work fine.

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