Public bug reported:
Binary package hint: python-apt
Upgrading to the just-released python-apt 0.7.4ubuntu7.3 introduces
inconsistent use of tabs and spaces that completely breaks use of
sys.excepthook with the python -tt option (issue errors for inconsistent
use of tabs and spaces).
I have appended a typescript with reproduction steps below, using raw
python (with the -tt option).
(I find it exceedingly odd, in general, that use of sys.excepthook with
absolutely no other calls or packages involved somehow ends up calling
into an apt packaging library.)
Because this breaks a completely normal part of the Python API
(sys.excepthook) when used with a recommended option used by Python
projects to enforce consistent use of tabs and spaces, I view this as a
pretty severe bug.
[Note that I cluelessly already reported this upstream at bugs.debian.org,
so there may be duplication there if this is, in fact, an upstream bug.]
System and package info:
$ lsb_release -rd
Description: Ubuntu 8.04.1
Release: 8.04
$ apt-cache policy python-apt
python-apt:
Installed: 0.7.4ubuntu7.3
Candidate: 0.7.4ubuntu7.3
Version table:
*** 0.7.4ubuntu7.3 0
500 http://us.archive.ubuntu.com hardy-updates/main Packages
100 /var/lib/dpkg/status
0.7.4ubuntu7 0
500 http://us.archive.ubuntu.com hardy/main Packages
Reproduction steps:
Script started on Wed Nov 12 04:37:31 2008
$ python -tt
Python 2.5.2 (r252:60911, Jul 31 2008, 17:31:22)
[GCC 4.2.3 (Ubuntu 4.2.3-2ubuntu7)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> apply(sys.excepthook, sys.exc_info())
None
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.5/site-packages/apport_python_hook.py", line 38, in
apport_excepthook
from apport.packaging_impl import impl as packaging
File "/usr/lib/python2.5/site-packages/apport/__init__.py", line 1, in
<module>
from apport.report import Report
File "/usr/lib/python2.5/site-packages/apport/report.py", line 21, in <module>
import fileutils
File "/usr/lib/python2.5/site-packages/apport/fileutils.py", line 16, in
<module>
from packaging_impl import impl as packaging
File "/usr/lib/python2.5/site-packages/apport/packaging_impl.py", line 18, in
<module>
import apt
File "/usr/lib/python2.5/site-packages/apt/__init__.py", line 8, in <module>
from apt.cache import Cache
File "/usr/lib/python2.5/site-packages/apt/cache.py", line 24, in <module>
import apt.progress
File "/usr/lib/python2.5/site-packages/apt/progress.py", line 166
" called when the status changed "
^
TabError: inconsistent use of tabs and spaces in indentation
Error in sys.excepthook:
Traceback (most recent call last):
File "/usr/lib/python2.5/site-packages/apport_python_hook.py", line 38, in
apport_excepthook
from apport.packaging_impl import impl as packaging
File "/usr/lib/python2.5/site-packages/apport/__init__.py", line 1, in
<module>
from apport.report import Report
File "/usr/lib/python2.5/site-packages/apport/report.py", line 21, in <module>
import fileutils
File "/usr/lib/python2.5/site-packages/apport/fileutils.py", line 16, in
<module>
from packaging_impl import impl as packaging
File "/usr/lib/python2.5/site-packages/apport/packaging_impl.py", line 18, in
<module>
import apt
File "/usr/lib/python2.5/site-packages/apt/__init__.py", line 8, in <module>
from apt.cache import Cache
File "/usr/lib/python2.5/site-packages/apt/cache.py", line 24, in <module>
import apt.progress
File "/usr/lib/python2.5/site-packages/apt/progress.py", line 166
" called when the status changed "
^
TabError: inconsistent use of tabs and spaces in indentation
Original exception was:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.5/site-packages/apport_python_hook.py", line 38, in
apport_excepthook
from apport.packaging_impl import impl as packaging
File "/usr/lib/python2.5/site-packages/apport/__init__.py", line 1, in
<module>
from apport.report import Report
File "/usr/lib/python2.5/site-packages/apport/report.py", line 21, in <module>
import fileutils
File "/usr/lib/python2.5/site-packages/apport/fileutils.py", line 16, in
<module>
from packaging_impl import impl as packaging
File "/usr/lib/python2.5/site-packages/apport/packaging_impl.py", line 18, in
<module>
import apt
File "/usr/lib/python2.5/site-packages/apt/__init__.py", line 8, in <module>
from apt.cache import Cache
File "/usr/lib/python2.5/site-packages/apt/cache.py", line 24, in <module>
import apt.progress
File "/usr/lib/python2.5/site-packages/apt/progress.py", line 166
" called when the status changed "
^
TabError: inconsistent use of tabs and spaces in indentation
>>>
$ exit
exit
Script done on Wed Nov 12 04:37:53 2008
** Affects: python-apt (Ubuntu)
Importance: Undecided
Status: New
--
python-apt 0.7.4ubuntu7.3 breaks sys.excepthook when used with python -tt
https://bugs.launchpad.net/bugs/297207
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