author | Aurelien Campeas <aurelien.campeas@logilab.fr> |
Fri, 18 Oct 2013 16:58:48 +0200 | |
changeset 9302 | af36f459d2f0 |
parent 8401 | a9efb25337da |
child 9390 | 41795de3d48a |
permissions | -rw-r--r-- |
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What's new in CubicWeb 3.15? |
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============================ |
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New functionnalities |
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* Add Zmq server, based on the cutting edge ZMQ (http://www.zeromq.org/) socket |
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library. This allows to access distant instance, in a similar way as Pyro. |
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* Publish/subscribe mechanism using ZMQ for communication among cubicweb |
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instances. The new zmq-address-sub and zmq-address-pub configuration variables |
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define where this communication occurs. As of this release this mechanism is |
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used for entity cache invalidation. |
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* Improved WSGI support. While there is still some caveats, most of the code |
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which as twisted only is now generic and allows related functionalities to work |
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with a WSGI front-end. |
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* Full undo/transaction support : undo of modification has eventually been |
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implemented, and the configuration simplified (basically you activate it or not |
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on an instance basis). |
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* Controlling HTTP status code used is not much more easier : |
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- `WebRequest` now has a `status_out` attribut to control the response status ; |
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- most web-side exceptions take an optional ``status`` argument. |
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API changes |
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* The base registry implementation has been moved to a new |
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`logilab.common.registry` module (see #1916014). This includes code from : |
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* `cubicweb.vreg` (the whole things that was in there) |
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* `cw.appobject` (base selectors and all). |
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In the process, some renaming was done: |
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* the top level registry is now `RegistryStore` (was `VRegistry`), but that |
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should not impact cubicweb client code ; |
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* former selectors functions are now known as "predicate", though you still use |
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predicates to build an object'selector ; |
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* for consistency, the `objectify_selector` decoraror has hence be renamed to |
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`objectify_predicate` ; |
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* on the CubicWeb side, the `selectors` module has been renamed to |
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`predicates`. |
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Debugging refactoring dropped the more need for the `lltrace` decorator. There |
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should be full backward compat with proper deprecation warnings. Notice the |
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`yes` predicate and `objectify_predicate` decorator, as well as the |
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`traced_selection` function should now be imported from the |
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`logilab.common.registry` module. |
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* All login forms are now submitted to <app_root>/login. Redirection to requested |
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page is now handled by the login controller (it was previously handle by the |
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session manager). |
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* `Publisher.publish` has been renamed to `Publisher.handle_request`. This |
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method now contains generic version of logic previously handled by |
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Twisted. `Controller.publish` is **not** affected. |
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Unintrusive API changes |
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* New 'ldapfeed' source type, designed to replace 'ldapuser' source with |
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data-feed (i.e. copy based) source ideas. |
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* New 'zmqrql' source type, similar to 'pyrorql' but using ømq instead of Pyro. |
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* A new registry called `services` has appeared, where you can register |
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server-side `cubicweb.server.Service` child classes. Their `call` method can be |
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invoked from a web-side AppObject instance using new `self._cw.call_service` |
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method or a server-side one using `self.session.call_service`. This is a new |
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way to call server-side methods, much cleaner than monkey patching the |
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Repository class, which becomes a deprecated way to perform similar tasks. |
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* a new `ajax-func` registry now hosts all remote functions (i.e. functions |
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callable through the `asyncRemoteExec` JS api). A convenience `ajaxfunc` |
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decorator will let you expose your python function easily without all the |
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appobject standard boilerplate. Backward compatibility is preserved. |
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* the 'json' controller is now deprecated in favor of the 'ajax' one. |
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* `WebRequest.build_url` can now take a __secure__ argument. When True cubicweb |
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try to generate an https url. |
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User interface changes |
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---------------------- |
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A new 'undohistory' view expose the undoable transactions and give access to undo |
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[doc] improve 3.15 release blog
Sylvain Thénault <sylvain.thenault@logilab.fr>
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some of them. |