tigefa4u projects Trac

#9536: fix paginated reports.

Remove two `db.rollback()`, one buggy, the other no longer needed and pass `db` as needed.

Also removed a debugging left-over in the sqlite backend.

#9536: add `from __future__ import with_statement` for Python 2.5 support.

#9536: convert the contrib and sample-plugins to use context managers for database access.

fixup merge mistake in r10185

#9536: convert ticket module to use context managers for database access.

#9536: convert versioncontrol module to use context managers for database access.

#9536: convert wiki module to use context managers for database access.

#9536: convert the base system and smaller modules to use context managers for database access.

#9536: convert web layer to use context managers for database access.

#9536: rework EnvironmentStub, use context managers and support sqlite file based backend.
- convert admin tests and web tests
- no need for the mysql specific test which was run for any backend