server/source/native: fix wrong usage of .lstrip that produce garbled error messages (closes #2777641)
Fixed an .rstrip(...) for the general case (untested).
Fixed an .lstrip(...) for the sqlite path (tested).
Pierre-Yves David <pierre-yves.david@logilab.fr> [Thu, 28 Mar 2013 11:45:17 +0100] rev 8818
[migration] fix bug in `CWAttributeAddOp.revertprecommit_event`
The `rdefdef` attribute is set during the operation execution. In some the
operation crash before this assignment. In such case `revertprecommit` raise an
attribute error crashing the whole process and shadowing the original error.
This changeset detect and Avoid this situation.