[hooks] build EnsureSymmetricRelations{Add,Delete} dynamically
Instead of setting the __select__ attribute at registration time, which
confuses the filterable_selectors cache when running different tests (with
different schemas) in the same process, just make entirely new classes.
Closes #8785708.
.. _Part2:
----------------------
Repository development
----------------------
This part is about developing applications with the *CubicWeb*
framework. It is not concerned with the web system, which is a
separate layer and has its own whole chapter.
.. toctree::
:maxdepth: 2
:numbered:
cubes/index
vreg.rst
datamodel/index
entityclasses/index
devcore/index
repo/index
testing.rst
migration.rst
profiling.rst
fti.rst
dataimport