GRASS GIS session utilities
Project description
A simple library to use GRASS GIS from python. You can specify the GRASS executable that you want to use with an enviromental variable called: GRASSBIN
Status
In development
Install
To install the stable version use:
$ pip install grass-session
To install the current development version use:
$ pip install git+https://github.com/zarch/grass-session.git
Examples
Set the GRASS GIS binary that you want to use with: export GRASSBIN=grass75:
>>> from grass_session import Session >>> from grass.script import core as gcore >>> with Session(gisdb="/tmp", location="location", ... create_opts="EPSG:4326"): ... print(gcore.parse_command("g.gisenv", flags="s")) {u'GISDBASE': u"'/tmp/';", u'LOCATION_NAME': u"'epsg3035';", u'MAPSET': u"'PERMANENT';",} >>> with Session(gisdb="/tmp", location="location", mapset="test", ... create_opts=""): ... print(gcore.parse_command("g.gisenv", flags="s")) {u'GISDBASE': u"'/tmp/';", u'LOCATION_NAME': u"'epsg3035';", u'MAPSET': u"'test';",}
Development
Clone the repository:
$ git clone git@github.com:zarch/grass_session.git
Make sure that py.test, tox and pre-commit are installed:
$ pip install -r requirements-testing.txt
Install pre-commit hook in the local repository:
$ pre-commit install
Test locally with py.test:
$ pytest -vv .
To see the coverage use:
$ pytest -v –cov=grass_session –cov-report=html .
To test with different version of python or grass use:
$ GRASSBIN=~/.local/bin/grassXX PYTHONPATH=”pwd:$PYTHONPATH” pytest .
Test against multiple Python environments using tox:
$ tox ... _______________________ summary _____________________________ py27: commands succeeded py36: commands succeeded py37: commands succeeded py38: commands succeeded congratulations :)
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