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factory" (e.g. in the ``Router`` class) and ``webob.Response`` and
the "response factory" (e.g. in ``render_template_to_response``),
allow both to be overridden via a ZCML utility hook. See the "Using
ZCML Hooks" chapter of the documentation for more information.
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attached to each request object on ingress. The HTTP-verb-related
interfaces are defined in ``repoze.bfg.interfaces`` and are
``IGETRequest``, ``IPOSTRequest``, ``IPUTRequest``,
``IDELETERequest`` and ``IHEADRequest``. These interfaces can be
specified as the ``request_type`` attribute of a bfg view
declaration. A view naming a specific HTTP-verb-matching interface
will be found only if the view is defined with a request_type that
matches the HTTP verb in the incoming request. The more general
``IRequest`` interface can be used as the request_type to catch all
requests (and this is indeed the default). All requests implement
``IRequest``. The HTTP-verb-matching idea was pioneered by
`repoze.bfg.restrequest
<http://pypi.python.org/pypi/repoze.bfg.restrequest/1.0.1>`_ . That
package is no longer required, but still functions fine.
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of registries in order to make it possible to call one BFG
application from inside another.
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Bug Fixes
---------
- Fix a bug where the Paste configuration's ``unicode_path_segments``
(and os.environ's ``BFG_UNICODE_PATH_SEGMENTS``) may have been
defaulting to false in some circumstances. It now always defaults
to true, matching the documentation and intent.
- The ``repoze.bfg.traversal.find_model`` API did not work properly
when passed a ``path`` argument which was unicode and contained
high-order bytes when the ``unicode_path_segments`` or
``BFG_UNICODE_PATH_SEGMENTS`` configuration variables were "true".
- A new module was added: ``repoze.bfg.settings``. This contains
deployment-settings-related code.
Behavior Changes
----------------
- The ``make_app`` callable within ``repoze.bfg.router`` now registers
the ``root_policy`` argument as a utility (unnamed, using the new
``repoze.bfg.interfaces.IRootFactory`` as a provides interface)
rather than passing it as the first argument to the
``repoze.bfg.router.Router`` class. As a result the
``repoze.bfg.router.Router`` router class only accepts a single
argument: ``registry``. The ``repoze.bfg.router.Router`` class
retrieves the root policy via a utility lookup now. The
``repoze.bfg.router.make_app`` API also now performs some important
application registrations that were previously handled inside
``repoze.bfg.registry.makeRegistry``.
- The ``repoze.bfg.settings.Settings`` class (an instance of which is
registered as a utility providing
``repoze.bfg.interfaces.ISettings`` when any application is started)
now automatically calls ``repoze.bfg.settings.get_options`` on the
options passed to its constructor. This means that usage of
``get_options`` within an application's ``make_app`` function is no
longer required (the "raw" ``options`` dict or None may be passed).
Deprecations
------------
- Moved the ``repoze.bfg.registry.Settings`` class. This has been
moved to ``repoze.bfg.settings.Settings``. A deprecation warning is
issued when it is imported from the older location.
- Moved the ``repoze.bfg.registry.get_options`` function This has been
moved to ``repoze.bfg.settings.get_options``. A deprecation warning
is issued when it is imported from the older location.
- The ``repoze.bfg.interfaces.IRootPolicy`` interface was renamed
within the interfaces package. It has been renamed to
``IRootFactory``. A deprecation warning is issued when it is
imported from the older location.
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- The ``BFG_DEBUG_AUTHORIZATION`` envvar and the
``debug_authorization`` config file value now only imply debugging
of view-invoked security checks. Previously, information was
printed for every call to ``has_permission`` as well, which made
output confusing. To debug ``has_permission`` checks and other
manual permission checks, use the debugger and print statements in
your own code.
- Authorization debugging info is now only present in the HTTP
response body oif ``debug_authorization`` is true.
- The format of authorization debug messages was improved.
- A new ``BFG_DEBUG_NOTFOUND`` envvar was added and a symmetric
``debug_notfound`` config file value was added. When either is
true, and a NotFound response is returned by the BFG router
(because a view could not be found), debugging information is
printed to stderr. When this value is set true, the body of
HTTPNotFound responses will also contain the same debugging
information.
- ``Allowed`` and ``Denied`` responses from the security machinery
are now specialized into two types: ACL types, and non-ACL types.
The ACL-related responses are instances of
``repoze.bfg.security.ACLAllowed`` and
``repoze.bfg.security.ACLDenied``. The non-ACL-related responses
are ``repoze.bfg.security.Allowed`` and
``repoze.bfg.security.Denied``. The allowed-type responses
continue to evaluate equal to things that themselves evaluate
equal to the ``True`` boolean, while the denied-type responses
continue to evaluate equal to things that themselves evaluate
equal to the ``False`` boolean. The only difference between the
two types is the information attached to them for debugging
purposes.
- Added a new ``BFG_DEBUG_ALL`` envvar and a symmetric ``debug_all``
config file value. When either is true, all other debug-related
flags are set true unconditionally (e.g. ``debug_notfound`` and
``debug_authorization``).
Documentation
- Added info about debug flag changes.
- Added a section to the security chapter named "Debugging
Imperative Authorization Failures" (for e.g. ``has_permssion``).
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named ``render_view_to_response``, ``render_view_to_iterable`` and
``is_response``, which are documented in the API docs. These features
aid programmatic (non-request-driven) view execution.
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- Remove dependency on FormEncode (only needed by sampleapp).
- Fix paster template generation so that case-sensitivity is
preserved for project vs. package name.
- Depend on ``z3c.pt`` version 1.0a1 (which requires the ``[lxml]``
extra currently).
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events.rst chapter in the documentation's ``api`` directory.
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calling a view, which is a callable that returns a response
directly (as opposed to returning a view). As a result, the
``factory`` attribute in the bfg:view ZCML statement has been
renamed to ``view``. Various interface names were changed also.
- ``render_template`` and ``render_transform`` no longer return a
Response object. Instead, these return strings. The old behavior
can be obtained by using ``render_template_to_response`` and
``render_transform_to_response``.
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context), so we can later enable an app-local component registry.
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Rejigger sample app, adding more templates.
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Return a NotFound when we can't adapt.
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The router is not middleware.
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