Robert Kuska added the comment: I tried leak2.py with valgrind, I've uncommented the lines you mentioned.
> $ valgrind python3 leak2.py > > ==28421== Memcheck, a memory error detector ==28421== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al. ==28421== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info ==28421== Command: python3 leak2.py ==28421== ==28421== ==28421== HEAP SUMMARY: ==28421== in use at exit: 1,599,354 bytes in 11,594 blocks ==28421== total heap usage: 284,971 allocs, 273,377 frees, 37,976,898 bytes allocated ==28421== ==28421== LEAK SUMMARY: ==28421== definitely lost: 0 bytes in 0 blocks ==28421== indirectly lost: 0 bytes in 0 blocks ==28421== possibly lost: 597,482 bytes in 2,319 blocks ==28421== still reachable: 1,001,872 bytes in 9,275 blocks ==28421== suppressed: 0 bytes in 0 blocks ==28421== Rerun with --leak-check=full to see details of leaked memory ==28421== ==28421== For counts of detected and suppressed errors, rerun with: -v ==28421== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) I've removed `import readline` from leak2.py, everything else left as in previous run (also ofc removed tracemalloc). > $ valgrind python3 leak3.py > > ==28515== Memcheck, a memory error detector ==28515== Copyright (C) 2002-2013, and GNU GPL'd, by Julian Seward et al. ==28515== Using Valgrind-3.10.1 and LibVEX; rerun with -h for copyright info ==28515== Command: python3 leak2.py ==28515== ==28515== ==28515== HEAP SUMMARY: ==28515== in use at exit: 1,599,384 bytes in 11,595 blocks ==28515== total heap usage: 285,648 allocs, 274,053 frees, 38,126,379 bytes allocated ==28515== ==28515== LEAK SUMMARY: ==28515== definitely lost: 30 bytes in 1 blocks ==28515== indirectly lost: 0 bytes in 0 blocks ==28515== possibly lost: 597,375 bytes in 2,317 blocks ==28515== still reachable: 1,001,979 bytes in 9,277 blocks ==28515== suppressed: 0 bytes in 0 blocks ==28515== Rerun with --leak-check=full to see details of leaked memory ==28515== ==28515== For counts of detected and suppressed errors, rerun with: -v ==28515== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0) Duh? Why does readline have this effect? ---------- Added file: http://bugs.python.org/file38684/leak3.py _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue23769> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
