[Pywps-dev] pywps and gsoc 2014

[Jonas Eberle]

Hi Jachym, 

thanks for the feedback. Yes, you can add me as mentor to process chaining capabilities. 

Jonas

----- Ursprüngliche Mail ----- 

> Hi Jonas,

> thanks for your input (and feedback, it's alwyas nice to hear about new
> user).

> Process chaing is definitelly valid option, for web-based administration is
> IMHO
> too early (for PyWPS 4). I'm not sure, I would like anybody to do that for
> PyWPS
> 3.x version (if you have someone, I can add it to ideas page and he/she can
> pick
> the topic up). PyWPS 4 should be administration interface ready. But let's
> prepared for this:

> https://github.com/jachym/pywps-4/wiki/GSOC-2015-ideas

> Can I add you as mentor to process chaining capabilities?

> https://github.com/jachym/pywps-4/wiki/GSOC-2014-ideas

> Jachym

> On Thu, Feb 13, 2014 at 03:45:43AM -0600, Jonas Eberle wrote:
> > Hi all,
> > although I am not an active core developer of PyWPS (yet), I am using
> > PyWPS for a few years now for different projects providing web processing
> > services with focus an process chaining and operational systems.
> > I'd like to contribute two ideas for GSOC 2014 based on my perspective
> > using and developing processes for PyWPS. But you should decide if the
> > ideas suit to the current status of PyWPS-4. Maybe it is too early for
> > these ideas or other ideas have a higher priority for PyWPS-4. That is up
> > to you.
> > ===============================
> >
> > Providing process chaining capabilities
> >
> > ===============================
> >
> > Chaining geo processing services based on OGC WPS Standard can be achieved
> > in different ways based on the complexity of the application. Indeed there
> > are existing possibilities mainly for SOAP-based web services in general
> > (Taverna, BPEL), but in most cases a lot of effort needs to be invested to
> > implement such services and process chains.
> >
> > A good enhancement of PyWPS would be the integration of chaining geo
> > processing services either published as a further process or defined by an
> > input parameter (e.g., XML-based definition for process chaining).
> > Following features could / should be included (further ideas are
> > welcome):
> >
> > - Status updating of parent process (=process of process chain),
> >
> > - Provide access to results of subprocess, even if chain is still
> > running,
> >
> > - If/else conditions and for loops based on output values of subprocess,
> >
> > - Logical data transfer if subprocesses are on the same machine (no
> > unnecessary copy of data)
> >
> > =======================================
> >
> > Web-based administration & process management
> >
> > =======================================
> >
> > Providing operational running processing services requires often a tool to
> > list executed processes with their current status to have an overview
> > about usage and possible errors. Users and administrators could easily
> > view a process log file, if generated from the process, and further
> > information about the executed processes. Furthermore process actions -
> > like an easy way to restart or delete an executed process - could be very
> > helpful for the process management. An administration part could extend
> > PyWPS to make it more user-friendly in creating services and changing
> > settings.
> >
> > The administration part could include:
> >
> > - Create services, change settings of services
> >
> > - Add new processes (e.g., provide a template process for further manual
> > adjustments)
> >
> > - Change process settings
> >
> > - User management (?)
> >
> > The process management part could include:
> >
> > - List executed processes with their status (e.g., running, failed,
> > succeeded)
> >
> > - View process details (e.g., inputs, outputs, log file)
> >
> > - Provide process actions (e.g., restart, delete)
> >
> > - further ideas are welcome
> >
> > Greetings,
> > Jonas
> > University of Jena, Germany
> > Department for Earth Observation
> > [1]http://www.eo.uni-jena.de/7020.0.html
> >
> > --------------------------------------------------------------------------
> >
> > hi all,
> > since we are approaching deadline pretty soon, I've tried to put
> > together our
> > Google summer of code page
> > https://github.com/jachym/pywps-4/wiki/GSOC-2014-ideas
> > Please, add you ideas for PyWPS-4
> > Please, add your name the the "mentor name" line.
> > My proposal:
> > Pirmin - For the QGIS MapServer
> > Sören/Jorge/Jachym - All the database/cloud ouptut stuff
> > Luís - For UMN MapServer
> > Could you please indicated, wheter you are willing to mentor the topics?
> > I can
> > understand, you do not have time/will/disinclined to do that, it's
> > perfectly
> > fine. I'm just addressing directly, to move things faster forward.
> > Thanks
> > Jachym
> > P.S. I hope, PyWPS 4 is ready for such features (or will be till
> > summer), even
> > it might not be finished yet.
> > --
> > Jachym Cepicky
> > URL: http://les-ejk.cz
> > e-mail: jachym.cepicky at gmail com
> > PGP: http://les-ejk.cz/pgp/JachymCepicky.pgp
> > @jachymc
> > _______________________________________________
> > pywps-dev mailing list
> > pywps-dev at lists.osgeo.org
> > http://lists.osgeo.org/cgi-bin/mailman/listinfo/pywps-dev
> >
> > References
> >
> > Visible links
> > 1. http://www.eo.uni-jena.de/7020.0.html

> --
> Jachym Cepicky
> URL: http://les-ejk.cz
> e-mail: jachym.cepicky at gmail com
> PGP: http://les-ejk.cz/pgp/JachymCepicky.pgp
> @jachymc