[pgrouting-dev] pgRoutingLayer QGIS3 version

Worth Lutz wal3 at mindspring.com
Thu Oct 11 10:27:04 PDT 2018


This may be helpful for the project.  https://editorconfig.org/

Take a look and see if it will help keep coding in the project consistent.

I have no connection with editorconfig except that I use it.

*Worth Lutz*


On 10/11/2018 1:06 PM, Cayetano Benavent wrote:
> Hi Vicky,
>
> Python has several linters. I propose to use for pgRoutingLayer 
> project this tool: PyLint (http://pylint.pycqa.org). PyLynt is 
> mantained by Python Code Quality Authority (http://meta.pycqa.org). I 
> need to prepare and include a configuration file (.pylintrc) in 
> repository.
>
> To test this new release I will write a wiki explaining how can you do it.
>
> Thanks,
>
>
> *Cayetano Benavent
> *Head of Data
>
> +34 954 095 876 <tel:%2B34%20954%20095%20876>
> www.geographica.gs <http://www.geographica.gs/>
>
>
> El mié., 10 oct. 2018 a las 15:44, Vicky Vergara 
> (<vicky at georepublic.de <mailto:vicky at georepublic.de>>) escribió:
>
>     Hi Cayetano
>
>     Does python has some sort of code linter?
>
>     Would be nice to lint the code and set some standards,
>     like use spaces instead of tabs, how many spaces, etc.
>     I am not a python expert but for C++ I use googles linter:
>     https://github.com/cpplint/cpplint
>
>     BTW, what do I have to do to test the the release?
>
>     Regards Vicky
>
>
>
>     On Wed, Oct 10, 2018 at 3:10 AM Cayetano Benavent
>     <cayetano.benavent at geographica.gs
>     <mailto:cayetano.benavent at geographica.gs>> wrote:
>
>         Hi all,
>
>         I have merged PR#82
>         <https://github.com/pgRouting/pgRoutingLayer/pull/82> and
>         published the new pre-release "v3.0.0-alpha1":
>         https://github.com/pgRouting/pgRoutingLayer/releases/tag/v3.0.0-alpha1
>
>         I know we need to do more work but I have little time and I
>         think priority is to have a QGIS3 version to share with
>         community.
>
>         More things: I would like to update the Readme file because it
>         is totally outdated.
>
>         Thanks!
>         *Cayetano Benavent
>         *Head of Data
>
>         +34 954 095 876 <tel:%2B34%20954%20095%20876>
>         www.geographica.gs <http://www.geographica.gs/>
>
>
>         El jue., 4 oct. 2018 a las 12:44, Cayetano Benavent
>         (<cayetano.benavent at geographica.gs
>         <mailto:cayetano.benavent at geographica.gs>>) escribió:
>
>             Hi all,
>
>             Works I have done:
>             - I've updated develop branch because it was very outdated
>             (now is paired with master).
>             - I've changed base branch (now is develop) for PR to
>             merge all the works for QGIS3 version:
>             https://github.com/pgRouting/pgRoutingLayer/pull/82
>             - I've created "gsoc2018" tag with all the works derived
>             from GSOC 2018 by Aasheesh Tiwari past summer:
>             https://github.com/pgRouting/pgRoutingLayer/tree/gsoc2018
>
>             In several days we remove python3 branch, we will merge
>             PR#82
>             <https://github.com/pgRouting/pgRoutingLayer/pull/82> and
>             we will create v3.0.0-alpha1 version (without
>             pgr_DijkstraCost).
>             Regarding to DijkstraCost function, I will try to review
>             it again to include in v3.0.0-alpha2 version (now I
>             understand his utility in QGIS :) ).
>
>             It is important understand several things to do a better
>             planning of pgRoutingLayer future:
>             - QGIS2 is developed entirely with Python 2.
>             - QGIS3 is developed entirely with Python 3 and PyQGIS API
>             is very different to QGIS2.
>             - Python 2 EOL (end of life) is very near (Python 2 will
>             be retired in 1 year) (https://pythonclock.org/ and
>             https://www.python.org/dev/peps/pep-0373/).
>
>             Taking in consideration this information we should not
>             spend time to code in Python 2 so we only can develop in
>             one direction: QGIS3.
>             Last pgRoutingLayer version for QGIS2 should be 2.2
>             (actually this is the last version uploaded to QGIS plugin
>             hub).
>
>             QGIS3 is very (very) superior to QGIS2 (most of his core
>             has been rewrited) so if you can migrate version (2 to 3)
>             you should do. I can help you if you do not know how to
>             migrate version (it is very easy in all operative systems).
>
>             We are very near to have a QGIS3 version!
>
>             Regards,
>             *Cayetano Benavent
>             *Head of Data
>
>             +34 954 095 876 <tel:%2B34%20954%20095%20876>
>             www.geographica.gs <http://www.geographica.gs/>
>
>
>             El mié., 3 oct. 2018 a las 17:01, Vicky Vergara
>             (<vicky at georepublic.de <mailto:vicky at georepublic.de>>)
>             escribió:
>
>                 Hi Cayetano
>
>                 Please Merge first the branch to "develop" branch.
>                 And clean the repository
>                 send a mail to this list about the branches that will
>                 be deleted,
>                 wait 3 or 4 days for people to double check that no
>                 "important" work will be deleted.
>
>                 Make sure that the tag that contains the GSoC students
>                 work was created.
>                 (and the tag has as last commit, the last commit of
>                 the student during the program)
>                 I really don't remember if I taged his work, we never
>                 continue work on a students branch,
>                 that branch has to remain intact when the GoC program
>                 is over that contains the students work and his work only.
>
>                 By cleaning the repo:
>                 When people clone or update their fork, they would
>                 only get master and develop branch.
>                 master has pgRoutingLayer v2.2.0 and branch develop
>                 has v3.0.0-dev
>
>                 Because the version is a "major" change we have to go
>                 thru the following phases:
>
>                 v3.0.0-alpha (v3.0.0-alpha1 if needed see bellow)
>                 v3.0.0-beta
>                 v3.0.0-rc
>                 etc.
>
>                 Use that versioning numberingto create the following
>                 branches & tags
>                 v3.0.0-alpha1 Includes all the functions that are coded
>                 v3.0.0-alpha2 Remove function(s) that is(are)
>                 well-known to have issues (issues must be documented
>                 on the issue list)
>                 or
>                 v3.0.0-alpha Include only the functions that
>                 supposedly work well
>                 or
>                 v3.0.0-alpha1 Includes only pgr_dijkstra
>                 v3.0.0-alpha2 Includes also pgr_dijkstraCost
>                 etc ...
>
>                 I like third option best because also work on
>                 documentation has to be done.
>                 So make users documentation of pgr_dijkstra and make
>                 the alpha with only that function
>                 So gradually documentation and functionality come in
>                 an alpha
>
>
>                 I know version pgRoutingLayer v3.0.0 will use python3
>                 what I dont know, is which versions of QGIS it will work.
>                 The version v2.0 didn't handle the functions with the
>                 "pgr_" is that going to remain the same?
>                 Which versions of pgRouting  will it work with?
>                 I guess you removed all the deprecated functions, so
>                 for example, and kept for example
>                 for 2.1: pgr_dijkstra, pgr_drivingDistance and pgr_KSP
>                 Maybe, many users (like me) have QGIS 2.18
>                 Some instructions about testing the phases would be
>                 needed.
>
>
>                 About initial decisions of what can be included:
>                 Now that we are starting a new major
>                 one thing is I learned is don't include what does not work
>
>                 In our case, besides pgRoutingLayer code correctness,
>                 we depend on the correctness of pgRouting :
>                 About withPoints & all proposed functions
>                 https://docs.pgrouting.org/2.6/en/proposed.html#stable
>                 There is a warning. and some detected issues:
>                 https://github.com/pgRouting/pgrouting/issues?q=is%3Aopen+is%3Aissue+label%3AwithPoints
>
>                 About experimental functions:
>                 https://docs.pgrouting.org/2.6/en/proposed.html#experimental-functions
>
>                 About pgr_dijkstraCost in QGiS I use it (to generate
>                 the image) here:
>                 https://workshop.pgrouting.org/2.5.0/en/chapters/shortest_path.html#exercise-5-many-pedestrians-going-to-different-destinations-returning-aggregate-costs
>                 compare VS
>                 https://workshop.pgrouting.org/2.5.0/en/chapters/shortest_path.html#exercise-4-many-pedestrians-going-to-different-destinations
>                 It gives a different perspective of the results of
>                 pgr_dijkstra
>
>
>                 As reference:
>                 This is the latest pgRouting documentation
>                 https://docs.pgrouting.org/2.6/en/index.htm
>                 This is the pgRouting 3.0.0-dev documentation (to be
>                 released on September 2019)
>                 https://docs.pgrouting.org/dev/en/index.html
>
>                 Lots of things to plan
>                 :)
>
>                 Regards
>                 Vicky
>
>
>
>
>                 On Tue, Oct 2, 2018 at 7:32 PM Cayetano Benavent
>                 <cayetano.benavent at geographica.gs
>                 <mailto:cayetano.benavent at geographica.gs>> wrote:
>
>                     Hi all,
>
>                     I have finally cleaned code and fixed last bugs in
>                     python3 branch from pgRoutingLayer with all the
>                     work done by student Aasheesh Tiwari (@AasheeshT)
>                     this summer in GSOC.
>                     I would like to merge python3 branch with master
>                     and upload a QGIS3 version. I've tested this code
>                     and it is working well in QGIS3 although there is
>                     still a lot of work to do :)
>
>                     It is important to note that I've removed several
>                     functions (what I really did is comment access
>                     from GUI):
>                     - WithPoints family: these functions don't work
>                     well because they were a very last addition in
>                     GSOC. We will add this code when Aasheesh (or
>                     somebody) fixes them.
>                     - TSP euclidean: This function is not working
>                     properly (before GSOC this function does not work
>                     well). I think is more useful to add pgr_TSP in
>                     the future that fix euclidean version.
>                     - DijkstraCost: This function is not working
>                     properly and I don't undestand very well the
>                     purpose of this function in QGIS.
>
>                     Deprecated functions were also removed
>                     (kdijkstra_path and kdijkstra_cost) but in this
>                     case we removed all the code.
>
>                     Thanks,
>                     *Cayetano Benavent
>                     *Head of Data
>
>                     +34 954 095 876 <tel:%2B34%20954%20095%20876>
>                     www.geographica.gs <http://www.geographica.gs/>
>                     _______________________________________________
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>                     pgrouting-dev at lists.osgeo.org
>                     <mailto:pgrouting-dev at lists.osgeo.org>
>                     https://lists.osgeo.org/mailman/listinfo/pgrouting-dev
>
>
>
>                 -- 
>
>                 Georepublic UG (haftungsbeschränkt)
>                 Salzmannstraße 44,
>                 81739 München, Germany
>
>                 Vicky Vergara
>                 Operations Research
>
>                 eMail: vicky at georepublic.de <http://georepublic.de>
>                 Web:https://georepublic.info
>
>                 Tel: +49 (089) 4161 7698-1
>                 Fax: +49 (089) 4161 7698-9
>
>                 Commercial register: Amtsgericht München, HRB 181428
>                 CEO: Daniel Kastl
>
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>                 <mailto:pgrouting-dev at lists.osgeo.org>
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>
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>
>
>
>     -- 
>
>     Georepublic UG (haftungsbeschränkt)
>     Salzmannstraße 44,
>     81739 München, Germany
>
>     Vicky Vergara
>     Operations Research
>
>     eMail: vicky at georepublic.de <http://georepublic.de>
>     Web:https://georepublic.info
>
>     Tel: +49 (089) 4161 7698-1
>     Fax: +49 (089) 4161 7698-9
>
>     Commercial register: Amtsgericht München, HRB 181428
>     CEO: Daniel Kastl
>
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>     pgrouting-dev at lists.osgeo.org <mailto:pgrouting-dev at lists.osgeo.org>
>     https://lists.osgeo.org/mailman/listinfo/pgrouting-dev
>
>
>
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