Thanks everyone so far! Please keep the info coming. I'll draft a blog post on the weekend.
Regards, Anita On Thu, Oct 5, 2017 at 9:34 AM, Alessandro Pasotti <apaso...@gmail.com> wrote: > Hi Règis, > > thanks for the nice summary! > > Maybe it would be interesting for python devs to stress out how QGIS > server 3 brings the bindings and the plugins to a new level: while the > original filter-style python plugins, are still available, the new > service-oriented plugin-based architecture allows Python developers to > create new services (for example WPS) by implementing a new `QgsService` > directly in Python. Overriding existing services is also possible. > > The server API has now full python bindings and a QGIS server can be > easily implemented directly in Python and wrapped into your favourite > framework (see this simple wsgi experiment: https://gist.github.com/ > elpaso/0cd7fb6a0518dc46c45557d9133438b8 ). > > For more examples of the API, I think there are some basic examples in the > official Python tests: https://github.com/qgis/QGIS/ > blob/master/tests/src/python/test_qgsserver_services.py#L79 > > > Cheers > > > > > > On Wed, Oct 4, 2017 at 10:49 PM, Régis Haubourg <regis.haubo...@gmail.com> > wrote: > >> Well, from a user point of view, that's a bit hard since all this is 90 % >> refactoring.. which is supposed to be transparent for users. >> >> We have the trust and multithreaded features, that should (and early >> testers today found it slower today) and the ability to code new services >> using python. >> We can also show some numbers about OGC conformity tests and the goal of >> reaching OGC certification (WMS only by now). >> >> Alessandro, René-Luc and David, do you have some user oriented examples >> for the new modular API ? >> >> >> >> 2017-10-04 22:18 GMT+02:00 Anita Graser <anitagra...@gmx.at>: >> >>> Great overview, thanks for drafting Régis! >>> >>> Some additional ideas: Could we add a section with the key improvements >>> from an user perspective? >>> >>> I'm particularly intrigued by the services / plugins part. Could you >>> elaborate? >>> >>> Regards, >>> Anita >>> >>> >>> >>> On Wed, Oct 4, 2017 at 9:42 PM, Régis Haubourg <regis.haubo...@gmail.com >>> > wrote: >>> >>>> Hi again, >>>> here is my very first draft: >>>> >>>> Several images can be pulled from the joined slides given at Foss4G-EU >>>> here https://drive.google.com/file/d/0BzatQbprJ-hjWF95VzdHbGRsVEk >>>> /view?usp=sharing >>>> >>>> René-Luc, David, Paul, don't hesitate to amend that! >>>> >>>> ------------------------------------------------------------ >>>> -------------------------------- >>>> >>>> >>>> *Qgis server refactoring is done!* >>>> As you may know, QGIS is jumping to a new major version (yes!). >>>> Doing so was made necessary because of the need to switch to python 3, >>>> QT5, but also because we needed to break the QGIS API in several places. >>>> >>>> A year ago, a tiny troll >>>> <https://github.com/qgis/qgis3.0_api/issues/63>from switzerland rang a >>>> bell about the strong need for love server code base required. >>>> >>>> Indeed, the API was locked by some old methods of QGIS server. In >>>> short, QGIS server was reparsing the qgs project file in his own way, and >>>> created dependencies to part of QGIS we needed to drop. >>>> >>>> As outsourcing the server code base was not an option, so we had to >>>> refactor it. >>>> >>>> The involved parties decided to get engaged in a code sprint >>>> <https://github.com/qgis/QGIS/wiki/QGIS3---QGIS-Server-code-sprint-Notes> >>>> in >>>> the city of Lyon , France dedicated to sharing their vision, planning the >>>> work and finally making all the following >>>> <https://github.com/qgis/QGIS-Enhancement-Proposals/issues/74> happen : >>>> >>>> >>>> >>>> *# Deep, complex and unrewarding tasks:* >>>> >>>> - Remove all singleton calls >>>> >>>> - Cut all the dependencies to the old qgis project parser >>>> >>>> - Minimize dependencies to GUI library. Since fonts are necessary to >>>> render maps, totally removing them was not feasable. >>>> >>>> *# Higher level refactoring* >>>> >>>> All services (WMS GetMap, WFS GetFeature, GetLegendGraphics, WCS, >>>> GetPrint etc..) have been rewritten. Some like WMS were entirely rewritten. >>>> Kudos to the dev's >>>> >>>> >>>> *# New features and architecture stuff* >>>> >>>> - QGIS Server Services as plugins like providers. (slide 10 would be a >>>> nice figure here) >>>> >>>> - Multi-thread rendering <https://github.com/qgis/QGIS/pull/3886>- >>>> like in the desktop >>>> >>>> - A new option to trust layer metadata >>>> <https://github.com/qgis/QGIS/pull/5094> and speed up project loading >>>> >>>> >>>> *# Infrastructure tasks* >>>> >>>> - Build a OGC compliancy platform >>>> <http://oslandia.com/en/2017/06/16/qgis-server-ogc-cite-compliance-testing/> >>>> and >>>> integrate it to a continuous integration platform. Conformity reports are >>>> now pushed to tests.qgis.org *XXX waiting for Richard to expose them >>>> in the website* >>>> >>>> - Add unit tests... and again more unit tests >>>> >>>> - Stress QGIS server against security leaks >>>> <http://oslandia.com/en/2017/06/14/qgis-server-security-aspect/> (SQL >>>> injections and other malicious attacks) >>>> >>>> - Start profiling and bench marking performances. This work still need >>>> some love - and funding - to be achieved >>>> >>>> >>>> A presentation >>>> <https://git.osgeo.org/gogs/foss4g-europe/foss4g-europe-2017-paris/src/master/presentations/2017-07-20/general_track/foss4g-europe-2017-QGIS_3_Refactoring_and_enhancement-DMarteau-PBlottiere.pdf> >>>> was >>>> given at FOSS4G-EU in July. >>>> >>>> *Congratulations* to the developers who worked hard on that work. >>>> >>>> Now this deserves to be well tested, please report back any issues! >>>> >>>> >>>> >>>> 2017-10-04 15:17 GMT+02:00 Anita Graser <anitagra...@gmx.at>: >>>> >>>>> >>>>> >>>>> On Wed, Oct 4, 2017 at 1:23 PM, Régis Haubourg < >>>>> regis.haubo...@gmail.com> wrote: >>>>> >>>>>> Hi >>>>>> >>>>>> Yes, refactoring is now complete! see : >>>>>> https://github.com/qgis/QGIS-Enhancement-Proposals/issues/74 >>>>>> #issuecomment-334123595 >>>>>> >>>>>> Anita, I'll draft an article tonight if you still agree to review it, >>>>>> that would be great! >>>>>> >>>>> >>>>> >>>>> Sure! >>>>> >>>>> Anita >>>>> >>>>> >>>>> >>>>> >>>>> >>>> >>> >> >> _______________________________________________ >> QGIS-Developer mailing list >> QGIS-Developer@lists.osgeo.org >> List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer >> Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer >> > > > > -- > Alessandro Pasotti > w3: www.itopen.it >
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