Hi, Thanks for the overview.
We need more examples of embedding the server in python and I plan to publish some concrete examples from our use cases asap. David M. > Le 5 oct. 2017 à 09:34, Alessandro Pasotti <apaso...@gmail.com> a écrit : > > 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 > <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 > > <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 > <mailto: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 > <mailto: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 > <mailto: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 > <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 <http://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 > <mailto:anitagra...@gmx.at>>: > > > On Wed, Oct 4, 2017 at 1:23 PM, Régis Haubourg <regis.haubo...@gmail.com > <mailto:regis.haubo...@gmail.com>> wrote: > Hi > > Yes, refactoring is now complete! see : > https://github.com/qgis/QGIS-Enhancement-Proposals/issues/74#issuecomment-334123595 > > <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 <mailto:QGIS-Developer@lists.osgeo.org> > List info: https://lists.osgeo.org/mailman/listinfo/qgis-developer > <https://lists.osgeo.org/mailman/listinfo/qgis-developer> > Unsubscribe: https://lists.osgeo.org/mailman/listinfo/qgis-developer > <https://lists.osgeo.org/mailman/listinfo/qgis-developer> > > > > -- > Alessandro Pasotti > w3: www.itopen.it > <http://www.itopen.it/>_______________________________________________ > 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
_______________________________________________ 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
