PyCQA / astroid / 574

91%

main: 92%

push

travis-ci

Use set-difference rather than nested loops

On https://github.com/edx/edx-platform/tree/master/common/lib/xmodule/xmodule,
this resulted in the following performance improvement (with no change in the
errors detected):

Before:

Command exited with non-zero status 30
619.70user 322.11system 15:44.25elapsed 99%CPU (0avgtext+0avgdata 587068maxresident)k
0inputs+464outputs (0major+201145minor)pagefaults 0swaps

After:

Command exited with non-zero status 30
294.99user 10.76system 5:05.97elapsed 99%CPU (0avgtext+0avgdata 583536maxresident)k
0inputs+440outputs (0major+167856minor)pagefaults 0swaps

6 of 6 new or added lines in 1 file covered. (100.0%)

6501 of 7268 relevant lines covered (89.45%)

4.26 hits per line