Issue of Trac 1.2.2 "about" link

[johnt888@…]

Hi -

Received the following error message when I clicked the upper right "about" link:

2017-08-30 10:42:54,812 Trac[main] ERROR: [xx.xx.xx.xx] Internal Server Error: <RequestWithSession "GET '/about'">, referrer 'https://xxxx.com:8088/trac/test_upgrade/admin'
Traceback (most recent call last):
  File "trac/1.2.2/venv/lib/python2.7/site-packages/Trac-1.2.2-py2.7.egg/trac/web/main.py", line 623, in _dispatch_request
    dispatcher.dispatch(req)
  File "trac/1.2.2/venv/lib/python2.7/site-packages/Trac-1.2.2-py2.7.egg/trac/web/main.py", line 239, in dispatch
    resp = chosen_handler.process_request(req)
  File "trac/1.2.2/venv/lib/python2.7/site-packages/Trac-1.2.2-py2.7.egg/trac/about.py", line 66, in process_request
    data['systeminfo'] = self.env.get_systeminfo()
  File "trac/1.2.2/venv/lib/python2.7/site-packages/Trac-1.2.2-py2.7.egg/trac/env.py", line 332, in get_systeminfo
    info.extend(provider.get_system_info() or [])
  File "trac/1.2.2/venv/lib/python2.7/site-packages/Trac-1.2.2-py2.7.egg/trac/mimeview/txtl.py", line 89, in get_system_info
    version = get_pkginfo(textile).get('version', textile.__version__)
AttributeError: 'module' object has no attribute '__version__'

[johnt888@…]

Not sure it's related to some plugin or upgrade from an old database, a brand new database is fine. I will check more details and report back if it's required

[Ryan J Ollos]

The error is in retrieving the version from the textile package (a dependency).

I would guess it's due to running an upgrade without shutting down the web server: TracUpgrade#a1.Bringyourserveroff-line.

[Jun Omae]

Reproduced it.

textile.__version__ is available since textile 2.1.6, however python-textile package in Ubuntu 14.04 is 2.1.5.

• ​https://packages.ubuntu.com/trusty/python-textile
• ​https://github.com/textile/python-textile/blob/v2.1.5/textile/__init__.py
• ​https://github.com/textile/python-textile/blob/v2.1.6/textile/__init__.py

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:    Ubuntu 14.04.5 LTS
Release:        14.04
Codename:       trusty
$ COLUMNS=80 dpkg --list python-textile
Desired=Unknown/Install/Remove/Purge/Hold
| Status=Not/Inst/Conf-files/Unpacked/halF-conf/Half-inst/trig-aWait/Trig-pend
|/ Err?=(none)/Reinst-required (Status,Err: uppercase=bad)
||/ Name           Version      Architecture Description
+++-==============-============-============-=================================
ii  python-textile 1:2.1.5-1bui all          Python parser for the Textile mar
$ /usr/bin/python
Python 2.7.6 (default, Oct 26 2016, 20:30:19)
[GCC 4.8.4] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> from pkg_resources import get_distribution
>>> dist = get_distribution('textile')
>>> dist
textile 2.1.5 (/usr/lib/python2.7/dist-packages)
>>> dist.version
'2.1.5'
>>> import textile
>>> textile
<module 'textile' from '/usr/lib/python2.7/dist-packages/textile/__init__.pyc'>
>>> textile.__version__
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
AttributeError: 'module' object has no attribute '__version__'
>>>

[Jun Omae]

Proposed changes in [1a2b9d230/jomae.git] (jomae.git@t12901).

[Jun Omae]

Fixed in [16311] and merged in [16312-16313].