scilifelab_epps

Collection of EPPs for the Scilifelab Stockholm node.

Table of contents

scilifelab_epps

Overview

The repo is installed inside a designated conda environment on a server hosting Illumina Clarity LIMS.

After installation, the scripts in scripts/ are addded to the bin of the Conda environment, from which they can be called by LIMS.

Installation

Inside the repo, run pip install .

Development

Run pip install requirements-dev.txt to install packages used for development and pip install -e . to make the installation editable.

Automated linting

This repo is configured for automated linting. Linter parameters are defined in pyproject.toml.

As of now, we use:

ruff to perform automated formatting and a variety of lint checks.
- Run with ruff check . and ruff format .
mypy for static type checking and to prevent contradictory type annotation.
- Run with mypy **/*.py

pipreqs to check that the requirement files are up-to-date with the code.

This is run with a custom Bash script in GitHub Actions which will only compare the list of package names.

# Extract and sort package names
awk '{print $1}' $1 | sort -u > "$1".compare
awk -F'==' '{print $1}' $2 | sort -u > "$2".compare

# Compare package lists
if cmp -s "$1".compare "$2".compare
then
  echo "Requirements are the same"
  exit 0
else
  echo "Requirements are different"
  exit 1
fi

prettier to format common languages.
- Run with prettier .
editorconfig-checker to enforce .editorconfig rules for all files not covered by the tools above.
- Run with
```
editorconfig-checker $(git ls-files | grep -v '.py\|.md\|.json\|.yml\|.yaml\|.html')
```

GitHub Actions

Configured in .github/workflows/lint-code.yml. Will test all commits in pushes or pull requests, but not change code or prevent merges.

Pre-commit

Will prevent local commits that fail linting checks. Configured in .pre-commit-config.yml.

To set up pre-commit checking:

Run pip install pre-commit
Navigate to the repo root
Run pre-commit install

This can be disabled with pre-commit uninstall

VS Code automation

To enable automated linting in VS Code, go the the user settings.json and include the following lines:

"[python]": {
    "editor.defaultFormatter": "charliermarsh.ruff",
}

This will run the ruff-mediated linting with the same parameters as the GitHub Actions and pre-commit every time VS Code is used to format the code in the repository.

To run formatting on save, include the lines:

"[python]": {
    "editor.formatOnSave": true,
}

Git blame suppression

When a non-invasive tool is used to tidy up a lot of code, it is useful to supress the Git blame for that particular commit, so the original author can still be traced.

To do this, add the hash of the commit containing the changes to .git-blame-ignore-revs, headed by an explanatory comment.

NationalGenomicsInfrastructure/scilifelab_epps

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