[GRASS-dev] [GRASS-user] experimental Python 3 support in trunk

[Anna Petrášová]

On Mon, Sep 3, 2018 at 5:29 PM Helmut Kudrnovsky <hellik at web.de> wrote:

> Helmut Kudrnovsky wrote
> > Markus Neteler wrote
> >>>> Could you please post a few lines how to properly do the testing with
> >>>> virtualenv?
> >>>
> >>> https://trac.osgeo.org/grass/wiki/Python3Support#Howtotest
> >>
> >> Thanks.
> >> I took liberty to expand that section a bit (a bit more text; and with
> >> hints for Fedora users as well).
> >
> > some notes added there how to compile winGRASS in a virtual python 3
> > environment.
>
> compiling winGRASS-python3 along this notes [but forgotten to do svn up
> ;-)]; with this old svn status, compilation
>
>
> ------------------------------------------
> test at DESKTOP-VADT8Q4 MINGW64 /usr/src/grasspy3/grass_trunk
> $ PACKAGE_POSTFIX=-daily OSGEO4W_POSTFIX=64 ./mswindows/osgeo4w/package.sh
> GRASS GIS 7.7.svn r73230M compilation log
> --------------------------------------------------
> Started compilation: Mon Sep  3 21:01:57 CEST 2018
> --
> Errors in:
> /usr/src/grasspy3/grass_trunk/lib/python/ctypes
> --
> In case of errors please change into the directory with error and run
> 'make'.
> If you get multiple errors, you need to deal with them in the order they
> appear in the error log. If you get an error building a library, you will
> also get errors from anything which uses the library.
> --
> Finished compilation: Mon Sep  3 21:58:44 CEST 2018
> (grasspy3)
> ------------------------------------------
>
> switching to the related directory
>
> ------------------------------------------
> test at DESKTOP-VADT8Q4 MINGW64 /usr/src/grasspy3/grass_trunk
> $ cd lib/python/ctypes
> (grasspy3)
> make
>
> make
> /usr/src/grasspy3/grass_trunk/dist.x86_64-w64-mingw32/etc/python/grass/lib
> make[1]: Entering directory
> '/usr/src/grasspy3/grass_trunk/lib/python/ctypes'
> make[1]:
>
> '/usr/src/grasspy3/grass_trunk/dist.x86_64-w64-mingw32/etc/python/grass/lib'
> is up to date.
> make[1]: Leaving directory
> '/usr/src/grasspy3/grass_trunk/lib/python/ctypes'
> make OBJ.x86_64-w64-mingw32/date.py OBJ.x86_64-w64-mingw32/gis.py
> OBJ.x86_64-w64-mingw32/raster.py OBJ.x86_64-w64-mingw32/gmath.py O
> [...]
>
> dows:/c/Windows/System32/Wbem:/c/Windows/System32/WindowsPowerShell/v1.0/:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl
> " LC_ALL=C LANG=C LANGUAGE=C ./ctypesgen.py --cpp "gcc -E
> -I/c/OSGeo4W64/include -D_FILE_OFFSET_BITS=64     -I/usr/src/grasspy3/gras
> s_trunk/dist.x86_64-w64-mingw32/include
> -I/usr/src/grasspy3/grass_trunk/dist.x86_64-w64-mingw32/include
> -D__GLIBC_HAVE_LONG_LONG" -l
> grass_gis.7.7.svn -lintl-8
> /usr/src/grasspy3/grass_trunk/dist.x86_64-w64-mingw32/include/grass/gis.h
> /usr/src/grasspy3/grass_trunk
> /dist.x86_64-w64-mingw32/include/grass/defs/gis.h
>
> /usr/src/grasspy3/grass_trunk/dist.x86_64-w64-mingw32/include/grass/colors.h
> /usr/
>
> src/grasspy3/grass_trunk/dist.x86_64-w64-mingw32/include/grass/defs/colors.h
> -o OBJ.x86_64-w64-mingw32/gis.py
> Traceback (most recent call last):
>   File "./ctypesgen.py", line 15, in <module>
>     import optparse
> ModuleNotFoundError: No module named 'optparse'
> make[1]: *** [Makefile:102: OBJ.x86_64-w64-mingw32/gis.py] Error 1
> make[1]: Leaving directory
> '/usr/src/grasspy3/grass_trunk/lib/python/ctypes'
> make: *** [Makefile:81: default] Error 2
> (grasspy3)
> ------------------------------------------
>
> looking at
>
> https://docs.python.org/2/library/optparse.html
>
> 15.5. optparse — Parser for command line options
>
> New in version 2.3.
>
> Deprecated since version 2.7: The optparse module is deprecated and will
> not
> be developed further; development will continue with the argparse module.
>

Can you add optparse package? It's weird, it should be part of standard
Python library:
https://docs.python.org/3.7/library/optparse.html


> so it's maybe already fixed; will do a fresh svn checkout and compilation.
>
> no other issues found while compilation of winGRASS and python3
>
>
>
> -----
> best regards
> Helmut
> --
> Sent from: http://osgeo-org.1560.x6.nabble.com/Grass-Dev-f3991897.html
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