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path: root/repoze/bfg/urldispatch.py
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2009-05-10Minor speed and docs tweaks.Chris McDonough
2009-05-10- In version 0.6.3, passing a ``get_root`` callback (a "root factory")Chris McDonough
to ``repoze.bfg.router.make_app`` became optional if any ``route`` declaration was made in ZCML. The intent was to make it possible to disuse traversal entirely, instead relying entirely on URL dispatch (Routes) to resolve all contexts. However a compound set of bugs prevented usage of a Routes-based root view (a view which responds to "/"). One bug existed in `repoze.bfg.urldispatch``, another existed in Routes itself. To resolve this issue, the urldispatch module was fixed, and a fork of the Routes trunk was put into the "dev" index named ``Routes-1.11dev-chrism-home``. The source for the fork exists at `http://bitbucket.org/chrism/routes-home/ <http://bitbucket.org/chrism/routes-home/>`_; its contents have been reported to the upstream Routes developers and will hopefully be a part of the final Routes 1.11 release.
2009-05-01Remove dependencies on zope.deferredimport. zope.deferredimport wasChris McDonough
only used as a deprecation mechanism, so where possible we've kept around the deprecation warnings and we've used zope.deprectation instead. However, when cross-module deprecations were included, rather than introducing a cyclic dependency, we just removed the deprecation itself. As a result: - Since version 0.6.1, a deprecation warning has been emitted when the name ``model_url`` is imported from the ``repoze.bfg.traversal`` module. This import alias (and the deprecation warning) has been removed. Any import of the ``model_url`` function will now need to be done from ``repoze.bfg.url``; any import of the name ``model_url`` from ``repoze.bfg.traversal`` will now fail. This was done to remove a dependency on zope.deferredimport. - Since version 0.6.5, a deprecation warning has been emitted when the name ``RoutesModelTraverser`` is imported from the ``repoze.bfg.traversal`` module. This import alias (and the deprecation warning) has been removed. Any import of the ``RoutesModelTraverser`` class will now need to be done from ``repoze.bfg.urldispatch``; any import of the name ``RoutesModelTraverser`` from ``repoze.bfg.traversal`` will now fail. This was done to remove a dependency on zope.deferredimport.
2009-04-16- The interface for ``repoze.bfg.interfaces.ITraverser`` and theChris McDonough
built-in implementations that implement the interface (``repoze.bfg.traversal.ModelGraphTraverser``, and ``repoze.bfg.urldispatch.RoutesModelTraverser``) now expect the ``__call__`` method of an ITraverser to return 3 additional arguments: ``traversed``, ``virtual_root``, and ``virtual_root_path`` (the old contract was that the ``__call__`` method of an ITraverser returned; three arguments, the contract new is that it returns six). ``traversed`` will be a sequence of Unicode names that were traversed (including the virtual root path, if any) or ``None`` if no traversal was performed, ``virtual_root`` will be a model object representing the virtual root (or the physical root if traversal was not performed), and ``virtual_root_path`` will be a sequence representing the virtual root path (a sequence of Unicode names) or ``None`` if traversal was not performed. Six arguments are now returned from BFG ITraversers. They are returned in this order: ``context``, ``view_name``, ``subpath``, ``traversed``, ``virtual_root``, and ``virtual_root_path``. Places in the BFG code which called an ITraverser continue to accept a 3-argument return value, although BFG will generate and log a warning when one is encountered. - The request object now has the following attributes: ``traversed`` (the sequence of names traversed or ``None`` if traversal was not performed), ``virtual_root`` (the model object representing the virtual root, including the virtual root path if any), and ``virtual_root_path`` (the seuquence of names representing the virtual root path or ``None`` if traversal was not performed). - A new decorator named ``wsgiapp2`` was added to the ``repoze.bfg.wsgi`` module. This decorator performs the same function as ``repoze.bfg.wsgi.wsgiapp`` except it fixes up the ``SCRIPT_NAME``, and ``PATH_INFO`` environment values before invoking the WSGI subapplication. - The ``repoze.bfg.testing.DummyRequest`` object now has default attributes for ``traversed``, ``virtual_root``, and ``virtual_root_path``. - The RoutesModelTraverser now behaves more like the Routes "RoutesMiddleware" object when an element in the match dict is named ``path_info`` (usually when there's a pattern like ``http://foo/*path_info``). When this is the case, the ``PATH_INFO`` environment variable is set to the value in the match dict, and the ``SCRIPT_NAME`` is appended to with the prefix of the original ``PATH_INFO`` not including the value of the new variable. - The notfound debug now shows the traversed path, the virtual root, and the virtual root path too.
2009-01-27FeaturesChris McDonough
-------- - The ``repoze.bfg.url.model_url`` API now works against contexts derived from Routes URL dispatch (``Routes.util.url_for`` is called under the hood). - "Virtual root" support for traversal-based applications has been added. Virtual root support is useful when you'd like to host some model in a :mod:`repoze.bfg` model graph as an application under a URL pathname that does not include the model path itself. For more information, see the (new) "Virtual Hosting" chapter in the documentation. - A ``repoze.bfg.traversal.virtual_root`` API has been added. When called, it returns the virtual root object (or the physical root object if no virtual root has been specified). Implementation Changes ---------------------- - ``repoze.bfg.traversal.RoutesModelTraverser`` has been moved to ``repoze.bfg.urldispatch``. - ``model_url`` URL generation is now performed via an adapter lookup based on the context and the request. - ZCML which registers two adapters for the ``IContextURL`` interface has been added to the configure.zcml in ``repoze.bfg.includes``.
2009-01-25- The ``repoze.bfg.urldispatch.RoutesRootFactory`` now injects theChris McDonough
``wsgiorg.routing_args`` environment variable into the environ when a route matches. This is a tuple of ((), routing_args) where routing_args is the value that comes back from the routes mapper match (the "match dict"). - The ``repoze.bfg.traversal.RoutesModelTraverser`` class now wants to obtain the ``view_name`` and ``subpath`` from the ``wsgiorgs.routing_args`` environment variable. It falls back to obtaining these from the context for backwards compatibility.
2009-01-18context_factory -> factoryChris McDonough
context_interfaces -> provides
2009-01-18Merge "routesmapper branch" to trunk.Chris McDonough
2009-01-16- Add a section on "Using BFG Security With URL Dispatch" into theChris McDonough
urldispatch chapter of the documentation. Clean up "BFG" vernacular (replace with repoze.bfg).
2008-09-17 - Routes URL dispatch did not have access to the WSGI environment,Chris McDonough
so conditions such as method=GET did not work.
2008-09-16Document url dispatch in narrative form.Chris McDonough
2008-08-08 - Add ``find_context_from_path`` and ``find_root`` traversal APIs.Chris McDonough
In the process, make ITraverser a uni-adapter (on context) rather than a multiadapter (on context and request).
2008-08-06Fix.Chris McDonough
2008-08-06 - Small url dispatch overhaul: the ``connect`` method of theChris McDonough
``urldispatch.RoutesMapper`` object now accepts a keyword parameter named ``context_factory``. If this parameter is supplied, it must be a callable which returns an instance. This instance is used as the context for the request when a route is matched. - The registration of a RoutesModelTraverser no longer needs to be performed by the application; it's in the bfg ZCML now.
2008-07-22Add url-based dispatch.Chris McDonough