[Live-demo] pycsw in OSGeo Live.
Angelos Tzotsos
gcpp.kalxas at gmail.com
Sun Jan 29 16:35:49 PST 2012
Thank you Cameron for the suggestion,
We would be happy to include stable version 1.0 of pycsw to the disk :)
This version is already tested in OSGeoLive 5.5beta1 and works fine.
In case we decide to officially include it, we just need to link the
documentation files and translate.
Regards,
Angelos
On 01/29/2012 12:32 PM, Cameron Shorter wrote:
> Angelos, Tom,
>
> In preparing for osgeolive 5.0, I suggested that pycsw was probably
> not mature enough to be included in OSGeo-Live.
>
> I'm interested to understand how the project has matured since then.
> If the project is ready, we will need to quickly review and update the
> documentation so it can be translated.
>
> On 27/04/11 18:34, Cameron Shorter wrote:
>> Angelos,
>> It is great to see interest from pycsw in joining the OSGeo-Live
>> stable of quality applications.
>>
>> My initial feeling is that it would be great to include pywcs in a
>> future release of OSGeo-Live, but as pywcs is still only at a 0.1
>> release, without wide uptake yet, it is premature to include pywcs
>> into the next OSGeo-Live release.
>>
>> I believe that we have developed a reputation that if an application
>> has been deployed on OSGeo-Live, then someone can expect that it has
>> been deployed in many different locations, and tested by many
>> different organisations. Hence, users can be confident that they will
>> be unlikely to uncover any bugs by running standard operations.
>>
>> Feel free to suggest that I have mis-read the project, or argue
>> otherwise.
>>
>> One option that we could potentially consider is including a pywcs
>> install script on the DVD, but not call the install script from our
>> main.sh install script. This would mean that pywcs would not be
>> installed on OSGeo-Live, but it would be easy to run the pywcs
>> install script and get pywcs installed if required by an expert.
>> Would this be of interest?
>>
>> On 26/04/2011 9:06 AM, Angelos Tzotsos wrote:
>>> Hi all,
>>> On behalf of the pycsw development team, I would like to ask if we
>>> can include our project in OSGeoLive 5.0.
>>>
>>> I am providing requested answers below:
>>>
>>> * Please describe your application.
>>>
>>> o What is its name?
>>>
>>> pycsw
>>>
>>> o What is the home page URL?
>>>
>>> http://pycsw.org/
>>>
>>> o Which OSI approved Open Source Licence is used?
>>>
>>> MIT
>>>
>>> o What does the application do and how does it add value to
>>> the GeoSpatial stack of software?
>>>
>>> pycsw is an OGC CSW server implementation written in Python.
>>> pycsw implements clause 10 (HTTP protocol binding (Catalogue
>>> Services for the Web, CSW)) of the OpenGIS Catalogue Service
>>> Implementation Specification, version 2.0.2.
>>>
>>> We believe that pycsw would be a good addition for the LiveDVD,
>>> since it provides a lightweight, standalonealternative to current
>>> Java-based, CSW server implementations.
>>>
>>> * Stability is very important to us on OSGeo-Live. If a new user
>>> finds a bug in one application, it will tarnish the reputation
>>> of all other OSGeo-Live applications as well. Do you have a bug
>>> free, stable release, which has been rolled out to production
>>> in a number of locations? Please discuss the level of testing
>>> that your project has gone through, the size of the community
>>> that uses the application, and how long the project has had
>>> mature code.
>>>
>>> Currently pycsw is in beta stage, but the latest 0.1.0 release is
>>> considered pretty stable.
>>> As a standalone CSW server implementation, pycsw passes 100% the OGC
>>> Cite tests for this release. CITE tests are run daily. Additional
>>> tests are also provided with the source code which are tested before
>>> release. This latest release is well tested, but not currently
>>> deployed to a production environment. Demo web pages can be found
>>> here: http://pycsw.org/demos.html.
>>> The pycsw community is relatively new, and there is growing
>>> interest given the release of 0.1.0. pycsw integrates with other
>>> foss4g packages (i.e. OWSLib), and is already being integrated in
>>> various interoperability demonstrations (CSW <-> WPS integration
>>> with the ZOO project).
>>>
>>> * OSGeo-Live is targeted at applications that people can use
>>> rather than libraries. Does the application have a user
>>> interface (possibly a command line interface) that a user can
>>> interact with?
>>>
>>> pycsw is a web service (implementation of OGC CSW standard).
>>> Currently it does not include client code (internally uses OWSLib in
>>> cases needed). There are some tester web pages
>>> (http://pycsw.org/demos.html) <http://pycsw.org/demos.html%29> that
>>> are also included in a clean setup.
>>>
>>> * We give preference to OSGeo Incubated Projects, or Projects
>>> which are presented at FOSS4G conferences. If your project is
>>> involved in OSGeo Incubation, or has been selected to be
>>> presented at FOSS4G, then please mention it.
>>>
>>> We are a new project, and didn't have the chance yet to apply for
>>> OSGeo Incubation or get involved in a FOSS4G conference, but we hope
>>> to do so in the future :)
>>>
>>> * With around 50 applications installed on OSGeo-Live, us core
>>> packagers do not have the time to liaise with every single
>>> project email list for each OSGeo-Live release. So we require a
>>> volunteer (or two) to take responsibility for liaising between
>>> OSGeo-Live and the project's communities. This volunteer will
>>> be responsible for ensuring the install scripts and English
>>> documentation are updated by someone for each OSGeo-Live
>>> release. Also test that the installed application and
>>> Quickstart documentation works as expected on release candidate
>>> releases of OSGeo-Live. Who will act as the project's liaison
>>> person.
>>>
>>> I would be happy to act in the requested role, as I am already
>>> involved in the OSGeoLive project.
>>>
>>> * OSGeo-Live is Ubuntu Linux based. Our installation preference is:
>>>
>>> o Install from UbuntuGIS or DebianGIS
>>>
>>> o Install .deb files from a PPA
>>>
>>> o Write a custom install script
>>>
>>> Can you please discuss how your application will be installed.
>>> At this moment, we have rpm packages for openSUSE and plan to create
>>> deb packages for Ubuntu. Until then, we can create an installation
>>> script (http://pycsw.org/installation.html)
>>>
>>> * We include Windows and Mac installers for some applications.
>>> Would you be wishing to include Windows and/or Mac installers?
>>>
>>> Not at this point. Perhaps in the future releases
>>>
>>> * OSGeo-Live is memory and disk constrained. Can the application
>>> run in 512 Meg of RAM?
>>>
>>> Yes, pycsw can easily run even in 256 Meg of RAM under Apache Web Server
>>>
>>> * How much disk space will be required to install the application
>>> and a suitable example application?
>>>
>>> pycsw by itself only occupies ~2Mb of disk space. Its dependencies
>>> though (lxml, sqlalchemy, shapely), can occupy a bit more disk space
>>> if not already included in OSGeoLive already.
>>>
>>> * We aim to reduce disk space by having all applications make
>>> use of a common dataset. We encourage applications to make use
>>> of the example datasets already installed:
>>>
>>> * http://wiki.osgeo.org/wiki/Live_GIS_Add_Project
>>> <http://wiki.osgeo.org/wiki/Live_GIS_Add_Project#Example_Datasets>#Example_Datasets
>>> <http://wiki.osgeo.org/wiki/Live_GIS_Add_Project#Example_Datasets>
>>> If another dataset would be more appropriate, please discuss
>>> here. Is it appropriate, to remove existing demo datasets which
>>> may already be included in the standard release.
>>>
>>>
>>> pycsw exposes metadata, and as such requires sample XML documents
>>> (Dublin Core and ISO 19139:2007). Since the demo datasets for pycsw
>>> are plain xml metadata files in sqlite database files, we can
>>> include existing metadata xml files (perhaps Geonetwork demo data?).
>>> The demo metadata we provide are ~20 xml files (CITE data from OGC
>>> and some xml files created with gimed editor)
>>>
>>> Best regards,
>>> Angelos
>>>
>>> --
>>> Angelos Tzotsos
>>> Remote Sensing Laboratory
>>> National Technical University of Athens
>>> http://users.ntua.gr/tzotsos
>>>
>>>
>>> _______________________________________________
>>> Live-demo mailing list
>>> Live-demo at lists.osgeo.org
>>> http://lists.osgeo.org/mailman/listinfo/live-demo
>>> http://wiki.osgeo.org/wiki/Live_GIS_Disc
>>
>>
>> --
>> Cameron Shorter
>> Geospatial Solutions Manager
>> Tel: +61 (0)2 8570 5050
>> Mob: +61 (0)419 142 254
>>
>> Think Globally, Fix Locally
>> Geospatial Solutions enhanced with Open Standards and Open Source
>> http://www.lisasoft.com
>
>
> --
> Cameron Shorter
> Geospatial Solutions Manager
> Tel: +61 (0)2 8570 5050
> Mob: +61 (0)419 142 254
>
> Think Globally, Fix Locally
> Geospatial Solutions enhanced with Open Standards and Open Source
> http://www.lisasoft.com
>
--
Angelos Tzotsos
Remote Sensing Laboratory
National Technical University of Athens
http://users.ntua.gr/tzotsos
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