Bah, I forgot to reference this bug when fixing it.
apport (2.20.10-0ubuntu17) disco; urgency=medium
* backends/packaging-apt-dpkg.py: switch to using python3-launchpadlib to
communicate with Launchpad thereby gaining retry capabilities and using
its cache.
* backends/packaging-apt-dpkg.py: strip /usr from binary names so the .list
file will match.
* Re-enable Launchpad crash reports for disco.
* test/*: switch from using deprecated imp to importlib, modify binary
locations for merged-usr changes.
* apport/report.py: reorder directories check for binaries so /usr is
checked first.
** Changed in: apport (Ubuntu)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1808133
Title:
python3-apport emits a deprecation warning
Status in apport package in Ubuntu:
Fix Released
Bug description:
python3-apport uses the deprecated module imp. This causes to emitting
a deprecation warning when run python3 with the -Walways option, and
even to changing a traceback when run python3 with the -Werror option.
Example:
```
$ python3 -Walways -c '1/0'
/usr/lib/python3/dist-packages/apport/report.py:13: DeprecationWarning: the
imp module is deprecated in favour of importlib; see the module's documentation
for alternative uses
import fnmatch, glob, traceback, errno, sys, atexit, locale, imp
Traceback (most recent call last):
File "<string>", line 1, in <module>
ZeroDivisionError: division by zero
```
```
$ python3 -Werror -c '1/0'
Traceback (most recent call last):
File "<string>", line 1, in <module>
ZeroDivisionError: division by zero
Error in sys.excepthook:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in
apport_excepthook
from apport.fileutils import likely_packaged, get_recent_crashes
File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in
<module>
from apport.report import Report
File "/usr/lib/python3/dist-packages/apport/report.py", line 13, in <module>
import fnmatch, glob, traceback, errno, sys, atexit, locale, imp
File "/usr/lib/python3.6/imp.py", line 33, in <module>
DeprecationWarning, stacklevel=2)
DeprecationWarning: the imp module is deprecated in favour of importlib; see
the module's documentation for alternative uses
Original exception was:
Traceback (most recent call last):
File "<string>", line 1, in <module>
ZeroDivisionError: division by zero
```
The -Werror option can be used for catching possible issues, and
additional output from apport spoils the result.
```
$ python3 -b -Werror -c 'str(b"")'
Traceback (most recent call last):
File "<string>", line 1, in <module>
BytesWarning: str() on a bytes instance
Error in sys.excepthook:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/apport_python_hook.py", line 63, in
apport_excepthook
from apport.fileutils import likely_packaged, get_recent_crashes
File "/usr/lib/python3/dist-packages/apport/__init__.py", line 5, in
<module>
from apport.report import Report
File "/usr/lib/python3/dist-packages/apport/report.py", line 13, in <module>
import fnmatch, glob, traceback, errno, sys, atexit, locale, imp
File "/usr/lib/python3.6/imp.py", line 33, in <module>
DeprecationWarning, stacklevel=2)
DeprecationWarning: the imp module is deprecated in favour of importlib; see
the module's documentation for alternative uses
Original exception was:
Traceback (most recent call last):
File "<string>", line 1, in <module>
BytesWarning: str() on a bytes instance
```
The solution is to silence DeprecationWarning for `import imp`:
import warnings
with warnings.catch_warnings():
warnings.simplefilter('ignore', DeprecationWarning)
import imp
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