ModuleNotFoundError: No module named 'trac'

[Mike Dewhirst]

Using do-release-upgrade, I upgraded Ubuntu from 2020.04 LTS to 2022.04 last night to discover Trac has unexpectedly stopped working under Python 3.

We are now running on Python 3.10 and PostgreSQL 14. Previously it was Py 3.8 and PostgreSQL 12 which seemed to suit Trac very well over the last couple of years

I tried pip install trac==1.5.4 but got "No matching distribution..."

Pip can only see 1.4.x and no 1.5.x releases.

How can I get Trac working again?

Many thanks

Mike

[Mike Dewhirst]

Sorry to bother you ... I found https://download.edgewall.org/trac/Trac-latest-dev.tar.gz and everything is now working again.

Cheers

Mike

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[Tony Brian Albers (XTOAL)]

Hi Mike,

Are you using pip in the OS or in a virtualenv? You should use it in a virtualenv to prevent packages from polluting your OS.

Something like this:

$ cd
$ python3 -m venv tracinst
$ source tracinst/bin/activate
(trac)$ pip install --upgrade pip
(trac)$ pip install https:// download.edgewall.org /trac/Trac-latest-dev.tar.gz
(trac)$ pip install babel docutils pygments textile psycopg2-binary

(remove the spaces in the URL)

HTH

/tony

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Transition Manager - FIT/TMS Delivery Team - Signalling Integrations
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________________________________________
From: trac-...@googlegroups.com <trac-...@googlegroups.com> on behalf of Mike Dewhirst <mi...@dewhirst.com.au>
Sent: 26 June 2023 08:28
To: Trac Users
Subject: [Trac] ModuleNotFoundError: No module named 'trac'

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[Mike Dewhirst]

Many thanks Tony ...

Mike

[Markus Rosjat]

hey mike,

if you are still looking for 1.5.4  there isn't a pypi package and you need to go to the subversion repo from edgewall to get the version. 

here is the link to 1.5.4 https://svn.edgewall.org/repos/trac/tags/trac-1.5.4/

or just go to trunk for the latest https://svn.edgewall.org/repos/trac/trunk

you need to install subversion for this and then you might try to pip install it like so 

pip install -e svn+https://svn.edgewall.org/repos/trac/tags/trac-1.5.4/

cheers

Markus

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[Mike Dewhirst]

Thank you Markus ... I got it from https://download.edgewall.org/trac/Trac-latest-dev.tar.gz

Cheers

Mike

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