[TIP] "coverage annotate -d DIR" creates no output

[Ned Batchelder]

On 12/11/13 3:37 PM, Masiar, Peter (PMASIAR) wrote:
> Folks,
> First, thank you for coverage - it's excellent tool.
>
> Of course you will hear from users like me only if something goes wrong :-)
>
> I was able to create test coverage for our unit tests, and "coverage report" and "coverage html" work OK. Happy camper.
>
> When I try "coverage annotate -d covtxt", I got no output. It does create directory "covtxt", but it remains empty. I tried annotate in shell with COVERAGE_PROCESS_START variable and without, no difference.
>
> What I am doing wrong? Thank you.

That sounds very odd, the code is very similar between report, html, and 
annotate.  We can debug it off-list and report back when we've found the 
answer.

First: are you sure you want annotate output?  It's always seemed clumsy 
to me.  It's a hold-over for backward compatibility from the very early 
days of coverage.py, and I'd be glad to just drop support for it.  I 
didn't realize people actually valued it! :)

But let's suppose you do want it.  Can you either provide me with a 
tarball of a reproducible failure, or can you debug inside coverage.py's 
annotate.py file to get some more details?

--Ned.
> Here is result of  "coverage debug sys" on my box:
> ===================================
> coverage debug sys >coverage_debug.txt
>
> cat coverage_debug.txt
> -- sys ----------------------------------------
>          version: 3.7
>         coverage: /usr/lib/python2.6/site-packages/coverage-3.7-py2.6-linux-x86_64.egg/coverage/__init__.pyc
>        cover_dir: /usr/lib/python2.6/site-packages/coverage-3.7-py2.6-linux-x86_64.egg/coverage
>       pylib_dirs: /usr/lib/python2.6
>           tracer: CTracer
>     config_files: .coveragerc
>     configs_read: .coveragerc
>        data_path: /home/pmasiar/mycoverage/.coverage
>           python: 2.6.6 (r266:84292, Jun 16 2011, 15:06:25) [GCC 4.4.3]
>         platform: Linux-3.4.2-1-ARCH-x86_64-Intel-R-_Xeon-R-_CPU_E5440_ at _2.83GHz-with-glibc2.2.5
>   implementation: CPython
>       executable: /usr/local/bin/python
>              cwd: /home/pmasiar/mycoverage
>             path: /usr/bin
>                   /usr/lib/python2.6/site-packages/django_piston-0.2.2-py2.6.egg
>                   /usr/lib/python2.6/site-packages/RBTools-0.4.1-py2.6.egg
>                   /usr/lib/python2.6/site-packages/coverage-3.7-py2.6-linux-x86_64.egg
>                   /home/pmasiar/adc/lib
>                   /home/pmasiar/adc/bin
>                   /home/pmasiar/adc/acc_test
>                   /home/pmasiar/adc/unit_test
>                   /home/pmasiar/adc/acc_test/sabre_test
>                   /home/pmasiar/adc/acc_test/navtech_test
>                   /home/pmasiar/adc/tools
>                   /usr/local/Webware
>                   /home/pmasiar/adc/wwwroot
>                   /home/pmasiar/adc/wwwroot/lib
>                   /home/pmasiar/adc_test/scripts/fitnesse
>                   /home/pmasiar/adc_test/utils/twill-extensions
>                   /usr/local/pgsql/bin
>                   /usr/local/pgsql/lib
>                   /home/pmasiar/adc
>                   /home/pmasiar/adc/WebServices
>                   /home/pmasiar/adc/src/pgms/RedisQueueProcessors
>                   /home/pmasiar/adc/src/pgms/gribs
>                   /usr/lib/python26.zip
>                   /usr/lib/python2.6
>                   /usr/lib/python2.6/plat-linux2
>                   /usr/lib/python2.6/lib-tk
>                   /usr/lib/python2.6/lib-old
>                   /usr/lib/python2.6/lib-dynload
>                   /usr/lib/python2.6/site-packages
>                   /usr/lib/python2.6/site-packages/PIL
>                   /usr/lib/python2.6/site-packages/ZopePageTemplates
>                   /usr/lib/python2.6/site-packages/gtk-2.0
>                   /usr/lib/python2.6/site-packages/selenium
>                   /usr/lib/python2.6/site-packages/template_utils-0.4p2-py2.6.egg-info
>                   /usr/lib/python2.6/site-packages/twill-0.9-py2.6.egg-info
>                   /usr/lib/python2.6/site-packages/wx-2.8-gtk2-unicode
>      environment: COVERAGE_PROCESS_START = /home/pmasiar/mycoverage/.coveragerc
>                   PYDOC_PORT = 7464
>                   PYTHONOPTS = -u
>                   PYTHONPATH = /home/pmasiar/adc/lib:/home/pmasiar/adc/bin:/home/pmasiar/adc/acc_test:/home/pmasiar/adc/unit_test:/home/pmasiar/adc/acc_test/sabre_test:/home/pmasiar/adc/acc_test/navtech_test:/home/pmasiar/adc/tools:/usr/local/Webware:/home/pmasiar/adc/wwwroot:/home/pmasiar/adc/wwwroot/lib:/home/pmasiar/adc_test/scripts/fitnesse:/home/pmasiar/adc_test/utils/twill-extensions:/usr/local/pgsql/bin:/home/pmasiar/adc_test/utils/twill-extensions:/usr/local/pgsql/lib:/home/pmasiar/adc:/home/pmasiar/adc/WebServices:/home/pmasiar/adc/src/pgms/RedisQueueProcessors:/home/pmasiar/adc/src/pgms/gribs
>                   PYTHONSTARTUP = /home/pmasiar/.pythonrc.py
>     command_line: /usr/bin/coverage debug sys
> ──────
> Peter Masiar
> ARINC Direct  │ QA
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