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of a dictionary, for documentation purposes only (IMultiDict and
IBeforeRender inherit from it).
- Previously the ``pyramid.events.BeforeRender`` event *wrapped* a dictionary
(it addressed it as its ``_system`` attribute). Now it *is* a dictionary
(it inherits from ``dict``), and it's the value that is passed to templates
as a top-level dictionary.
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is sent as an event before a renderer is invoked (but after the
application-level renderer globals factory added via
``pyramid.configurator.configuration.set_renderer_globals_factory``, if any,
has injected its own keys). Applications may now subscribe to the
``IBeforeRender`` event type in order to introspect the and modify the set of
renderer globals before they are passed to a renderer. The event object
iself has a dictionary-like interface that can be used for this purpose. For
example::
from repoze.events import subscriber
from pyramid.interfaces import IRendererGlobalsEvent
@subscriber(IRendererGlobalsEvent)
def add_global(event):
event['mykey'] = 'foo'
If a subscriber attempts to add a key that already exist in the renderer
globals dictionary, a ``KeyError`` is raised. This limitation is due to the
fact that subscribers cannot be ordered relative to each other. The set of
keys added to the renderer globals dictionary by all subscribers and
app-level globals factories must be unique.
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end of request processing:
``repoze.bfg.interfaces.IFinishedRequest``. This event is meant to
be used when it is necessary to perform unconditional cleanup after
request processing. See the ``repoze.bfg.events.FinishedRequest``
class documentation for more information.
- The ``repoze.bfg.interfaces.IWSGIApplicationCreatedEvent`` event
interface was renamed to
``repoze.bfg.interfaces.IApplicationCreated``. Likewise, the
``repoze.bfg.events.WSGIApplicationCreatedEvent`` class was renamed
to ``repoze.bfg.events.ApplicationCreated``. The older aliases will
continue to work indefinitely.
- The ``repoze.bfg.interfaces.IAfterTraversal`` event interface was
renamed to ``repoze.bfg.interfaces.IContextFound``. Likewise, the
``repoze.bfg.events.AfterTraveral`` class was renamed to
``repoze.bfg.events.ContextFound``. The older aliases will continue
to work indefinitely.
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decorator decorates module-scope functions, which are then treated
as event listeners after a scan() is performed. See the Events
narrative documentation chapter and the ``repoze.bfg.events`` module
documentation for more information.
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``bfg:view`` configure.zcml element. This attribute will have a
value which is a dotted Python path, pointing at an interface. If
the request object implements this interface when the view lookup
is performed, the appropriate view will be called.
- Remove "template only" views. These were just confusing and were
never documented.
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events.rst chapter in the documentation's ``api`` directory.
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