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accepts a different ordering of arguments. Previously it was
``(pattern, name, factory=None, predicates=())``. It is now
``(name, pattern, factory=None, predicates=())``. This is in
support of consistency with ``configurator.add_route``.
- The ``repoze.bfg.urldispatch.RoutesMapper.connect`` method (not an
API) now accepts a different ordering of arguments. Previously it
was ``(pattern, name, factory=None, predicates=())``. It is now
``(name, pattern, factory=None, predicates=())``. This is in
support of consistency with ``configurator.add_route``.
- The ``repoze.bfg.urldispatch.RoutesMapper`` object now has a
``get_route`` method which returns a single Route object or
``None``.
- A new interface ``repoze.bfg.interfaces.IRoute`` was added. The
``repoze.bfg.urldispatch.Route`` object implements this interface.
- The canonical attribute for accessing the routing pattern from a
route object is now ``pattern`` rather than ``path``.
- The argument to ``repoze.bfg.configuration.Configurator.add_route``
which was previously called ``path`` is now called ``pattern`` for
better explicability. For backwards compatibility purposes, passing
a keyword argument named ``path`` to ``add_route`` will still work
indefinitely.
- The ``path`` attribute to the ZCML ``route`` directive is now named
``pattern`` for better explicability. The older ``path`` attribute
will continue to work indefinitely.
- All narrative, API, and tutorial docs which referred to a route
pattern as a ``path`` have now been updated to refer to them as a
``pattern``.
- The routesalchemy template has been updated to use ``pattern`` in
its route declarations rather than ``path``.
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============
Paster Templates
----------------
- The ``bfg_alchemy`` and ``bfg_routesalchemy`` templates no longer
register a ``handle_teardown`` event listener which calls
``DBSession.remove``. This was found by Chris Withers to be
unnecessary.
Documentation
-------------
- The "bfgwiki2" (URL dispatch wiki) tutorial code and documentation
was changed to remove the ``handle_teardown`` event listener which
calls ``DBSession.remove``.
- Any mention of the ``handle_teardown`` event listener as used by the
paster templates was removed from the URL Dispatch narrative chapter.
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clean up the SQLAlchemy connection by registering a
``repoze.tm.after_end`` callback instead of relying on a ``__del__``
method of a ``Cleanup`` class added to the WSFI environment. The
``__del__`` strategy was fragile and caused problems in the wild.
Thanks to Daniel Holth for testing.
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Fix table.
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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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---------
- Remove ``ez_setup.py`` and its import from all paster templates,
samples, and tutorials for ``distribute`` compatibility. The
documentation already explains how to install virtualenv (which will
include some ``setuptools`` package), so these files, imports and
usages were superfluous.
Deprecations
------------
- The ``options`` kw arg to the ``repoze.bfg.router.make_app``
function is deprecated. In its place is the keyword argument
``settings``. The ``options`` keyword continues to work, and a
deprecation warning is not emitted when it is detected. However,
the paster templates, code samples, and documentation now make
reference to ``settings`` rather than ``options``. This
change/deprecation was mainly made for purposes of clarity and
symmetry with the ``get_settings()`` API and dicussions of
"settings" in various places in the docs: we want to use the same
name to refer to the same thing everywhere.
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``<route>`` ZCML directive (in-the-wild 1.1a bw compat).
- ``bfg_routesalchemy`` paster template: change ``<route>``
declarations: rename ``renderer`` attribute to ``view_renderer``.
- In ``<route>`` declarations in tutorial ZCML, rename ``renderer``
attribute to ``view_renderer`` (fwd compat).
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Ignores.
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on the request as the ``matchdict`` attribute:
``request.matchdict``. If no route matched, this attribute will be
None.
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