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Documentation licensing.
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This section contains detailed ZCML directive information, some of
which was removed from various narrative chapters.
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untestable code blocks from being tested.
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--------
- The ``Configurator`` object now has two new methods: ``begin`` and
``end``. The ``begin`` method is meant to be called before any
"configuration" begins (e.g. before ``add_view``, et. al are
called). The ``end`` method is meant to be called after all
"configuration" is complete.
Previously, before there was imperative configuration at all (1.1
and prior), configuration begin and end was invariably implied by
the process of loading a ZCML file. When a ZCML load happened, the
threadlocal data structure containing the request and registry was
modified before the load, and torn down after the load, making sure
that all framework code that needed ``get_current_registry`` for the
duration of the ZCML load was satisfied.
Some API methods called during imperative configuration, (such as
``Configurator.add_view`` when a renderer is involved) end up for
historical reasons calling ``get_current_registry``. However, in
1.2a5 and below, the Configurator supplied no functionality that
allowed people to make sure that ``get_current_registry`` returned
the registry implied by the configurator being used. ``begin`` now
serves this purpose. Inversely, ``end`` pops the thread local
stack, undoing the actions of ``begin``.
We make this boundary explicit to reduce the potential for confusion
when the configurator is used in different circumstances (e.g. in
unit tests and app code vs. just in initial app setup).
Existing code written for 1.2a1-1.2a5 which does not call ``begin``
or ``end`` continues to work in the same manner it did before. It
is however suggested that this code be changed to call ``begin`` and
``end`` to reduce the potential for confusion in the future.
- All ``paster`` templates which generate an application skeleton now
make use of the new ``begin`` and ``end`` methods of the
Configurator they use in their respective copies of ``run.py`` and
``tests.py``.
Documentation
-------------
- All documentation that makes use of a ``Configurator`` object to do
application setup and test setup now makes use of the new ``begin``
and ``end`` methods of the configurator.
Bug Fixes
---------
- When a ``repoze.bfg.exceptions.NotFound`` or
``repoze.bfg.exceptions.Forbidden`` *class* (as opposed to instance)
was raised as an exception within a root factory (or route root
factory), the exception would not be caught properly by the
``repoze.bfg.`` Router and it would propagate to up the call stack,
as opposed to rendering the not found view or the forbidden view as
would have been expected.
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event subscriber, as other predicates are now usually an easier way
to get this done.
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configuration into account in more places and uses glossary
references more liberally.
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the load_zcml API.
Get rid of hook_zca argument in configurator constructor in favor of a ``hook_zca`` method.
Provide an ``unhook_zca`` method.
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removed; it has become unused.
- Change imperative API.
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deprecated. Its import and usage does not throw a warning, nor will
it probably ever disappear. However, using a
``repoze.bfg.configuration.Configurator`` class is now the preferred
way to generate a WSGI application.
- The ``run.py`` module in various ``repoze.bfg`` ``paster`` templates
now use a ``repoze.bfg.configuration.Configurator`` class instead of
the (now-legacy) ``repoze.bfg.router.make_app`` function to produce
a WSGI application.
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third paragraphs were very redundant.
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