Getting started

Setting up

Dependencies

Development dependencies are specified in requirements/dev.txt and can be installed using (see Dependency Management for more information)

pip install -r requirements/dev.txt

Additionally, building the documentation requires pandoc which is not on PyPI and needs to be installed through other means, e.g. with your OS package manager.

Install the package

Install the package in editable mode using

pip install -e .

Set up git hooks

The CI pipeline runs a number of code formatting and static analysis tools. If they fail, a build is rejected. To avoid that, you can run the same tools locally. This can be done conveniently using pre-commit:

pre-commit install

Alternatively, if you want a different workflow, take a look at tox.ini or .pre-commit.yaml to see what tools are run and how.

Running tests

tox

Run the tests using

tox -e py310

(or just tox if you want to run all environments).

Manually

Run the tests using

python -m pytest

Building the docs

tox

Build the documentation using

tox -e docs

This builds the docs and also runs doctest. linkcheck can be run separately using

tox -e linkcheck

Manually

Build the documentation using

python -m sphinx -v -b html -d .tox/docs_doctrees docs html

Additionally, test the documentation using

python -m sphinx -v -b doctest -d .tox/docs_doctrees docs html
python -m sphinx -v -b linkcheck -d .tox/docs_doctrees docs html

Tutorial and Test Data

There are a number of data files which can be downloaded automatically by ScippNeutron. The functions in scippneutron.data download and cache these files if and when they are used. By default, the files are stored in the OS’s cache directory. The location can be customized by setting the environment variable SCIPPNEUTRON_DATA_DIR to the desired path.