[pypy-dev] gdbm and dbm merge - ctypes bug?

Dan Stromberg drsalists at gmail.com
Sat Dec 11 17:40:42 CET 2010


On Thu, Dec 9, 2010 at 10:05 AM, Amaury Forgeot d'Arc
<amauryfa at gmail.com> wrote:
> Hi
> 2010/12/9 Dan Stromberg <drsalists at gmail.com>
>>
>> Is there a known problem with pypy's ctypes?
>
> Yes, several of them have already been fixed in trunk, especially
> about memory chunks being freed too early.
> --
> Amaury Forgeot d'Arc
>

Using a trunk from late in the day yesterday, my gdbm_ctypes module is
still giving gibberish keys sometimes, but only with pypy:

find /usr/share/jpilot -print0 | (export dir=$(pwd)/save-dir-pypy; cd
../..; ./this-pypy ./backshift --save-directory "$dir" --backup)
Using gdbm_ctypes
/home/dstromberg/src/home-svn/backshift/trunk/treap.py:40:
DeprecationWarning: setrecursionlimit deprecated
  sys.setrecursionlimit(min_heap_size)
Creating backup id
1292083099.51-benchbox-Sat_Dec_11_07_58_19_2010-7bada40ed14b282b
Inhaling filenames, readline0.__file__: /home/dstromberg/lib/readline0.py
processing directory /usr/share/jpilot
processing regular file /usr/share/jpilot/CalendarDB-PDat.pdb
  5.88% done, 3.61 files/second, ETA Sat Dec 11 07:58:24 2010,
processing regular file /usr/share/jpilot/MañanaDB.pdb
 11.76% done, 5.55 files/second, ETA Sat Dec 11 07:58:22 2010,
processing regular file /usr/share/jpilot/jpilotrc.green
 17.65% done, 6.17 files/second, ETA Sat Dec 11 07:58:22 2010,
processing regular file /usr/share/jpilot/jpilotrc.purple
 23.53% done, 6.63 files/second, ETA Sat Dec 11 07:58:22 2010,
processing regular file /usr/share/jpilot/ContactsDB-PAdd.pdb
 29.41% done, 7.37 files/second, ETA Sat Dec 11 07:58:21 2010,
processing regular file /usr/share/jpilot/MemoDB.pdb
 35.29% done, 8.03 files/second, ETA Sat Dec 11 07:58:21 2010,
processing regular file /usr/share/jpilot/jpilotrc.blue
 41.18% done, 8.59 files/second, ETA Sat Dec 11 07:58:21 2010,
processing regular file /usr/share/jpilot/ExpenseDB.pdb
 47.06% done, 8.74 files/second, ETA Sat Dec 11 07:58:21 2010,
processing regular file /usr/share/jpilot/jpilotrc.default
 52.94% done, 8.86 files/second, ETA Sat Dec 11 07:58:21 2010,
processing regular file /usr/share/jpilot/AddressDB.pdb
 58.82% done, 8.89 files/second, ETA Sat Dec 11 07:58:21 2010,
processing regular file /usr/share/jpilot/ToDoDB.pdb
 64.71% done, 9.23 files/second, ETA Sat Dec 11 07:58:21 2010,
processing regular file /usr/share/jpilot/TasksDB-PTod.pdb
 70.59% done, 9.53 files/second, ETA Sat Dec 11 07:58:21 2010,
processing regular file /usr/share/jpilot/DatebookDB.pdb
 76.47% done, 9.80 files/second, ETA Sat Dec 11 07:58:21 2010,
processing regular file /usr/share/jpilot/Memo32DB.pdb
 82.35% done, 9.99 files/second, ETA Sat Dec 11 07:58:21 2010,
processing regular file /usr/share/jpilot/MemosDB-PMem.pdb
 88.24% done, 10.21 files/second, ETA Sat Dec 11 07:58:21 2010,
processing regular file /usr/share/jpilot/jpilotrc.steel
 94.12% done, 10.36 files/second, ETA Sat Dec 11 07:58:21 2010,
! ../../dumpdb $(ls -td save-dir-pypy/files/1* | head
-1)/dir-usr/dir-share/dir-jpilot/files | egrep --binary-files=text --
'->' | awk ' { print $2 }' | tr -d '[A-Za-z0-9\._\-]' | sed '/^$/d' |
egrep --binary-files=text .
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make[2]: *** [go] Error 1



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