noxfile.py

from __future__ import annotations

import os
import pathlib
import shutil

import nox

PROJECT = "bmi_era5"
ROOT = pathlib.Path(__file__).parent


@nox.session
def test(session: nox.Session) -> None:
    """Run the tests."""
    session.install(".[testing]")

    # create API key file for ERA5 (need GitHub secret)
    url = "https://cds.climate.copernicus.eu/api"
    key = os.environ.get("CDS_API_KEY")
    config_content = f"url: {url} \nkey: {key}"
    home_dir = os.path.expanduser("~")
    config_path = os.path.join(home_dir, ".cdsapirc")
    with open(config_path, "w") as config_file:
        config_file.write(config_content)

    args = ["--cov", PROJECT, "-vvv"] + session.posargs

    if "CI" in os.environ:
        args.append(f"--cov-report=xml:{ROOT.absolute()!s}/coverage.xml")
    session.run("pytest", *args)

    if "CI" not in os.environ:
        session.run("coverage", "report", "--ignore-errors", "--show-missing")


@nox.session(name="test-notebooks")
def test_notebooks(session: nox.Session) -> None:
    """Run the notebooks."""
    session.install(".[testing,notebooks]")

    session.run(
        "pytest",
        "notebooks",
        "--nbmake",
        "--nbmake-kernel=python3",
        "--nbmake-timeout=3000",
        "-vvv",
    )


@nox.session
def lint(session: nox.Session) -> None:
    """Look for lint."""
    session.install("pre-commit")
    session.run("pre-commit", "run", "--all-files")


@nox.session
def build(session: nox.Session) -> None:
    """Build sdist and wheel dists."""
    session.install("pip")
    session.install("build")
    session.run("python", "--version")
    session.run("pip", "--version")
    session.run("python", "-m", "build", "--outdir", "./build/wheelhouse")


@nox.session(name="build-docs", reuse_venv=True)
def build_docs(session: nox.Session) -> None:
    """Build the docs."""
    session.install("myst-parser", "sphinx", "sphinx_copybutton", "sphinx-inline-tabs")
    session.install(".")

    pathlib.Path("build").mkdir(exist_ok=True)
    with session.chdir(ROOT):
        session.run(
            "sphinx-build",
            "-b",
            "html",
            "-W",
            "--keep-going",
            "docs/source",
            "build/html",
        )


@nox.session
def release(session):
    """Tag, build and publish a new release to PyPI."""
    session.install("zest.releaser[recommended]")
    session.run("fullrelease")


@nox.session(name="publish-testpypi")
def publish_testpypi(session):
    """Publish wheelhouse/* to TestPyPI."""
    session.run("twine", "check", "build/wheelhouse/*")
    session.run(
        "twine",
        "upload",
        "--skip-existing",
        "--repository-url",
        "https://test.pypi.org/legacy/",
        "build/wheelhouse/*.tar.gz",
    )


@nox.session(name="publish-pypi")
def publish_pypi(session):
    """Publish wheelhouse/* to PyPI."""
    session.run("twine", "check", "build/wheelhouse/*")
    session.run(
        "twine",
        "upload",
        "--skip-existing",
        "build/wheelhouse/*.tar.gz",
    )


@nox.session(python=False)
def clean(session):
    """Remove all .venv's, build files and caches in the directory."""
    for folder in _args_to_folders(session.posargs):
        with session.chdir(folder):
            shutil.rmtree("build", ignore_errors=True)
            shutil.rmtree("build/wheelhouse", ignore_errors=True)
            shutil.rmtree(f"src/{PROJECT}.egg-info", ignore_errors=True)
            shutil.rmtree(".pytest_cache", ignore_errors=True)
            shutil.rmtree(".venv", ignore_errors=True)

            for pattern in ["*.py[co]", "__pycache__"]:
                _clean_rglob(pattern)


def _args_to_folders(args):
    return [ROOT] if not args else [pathlib.Path(f) for f in args]


def _clean_rglob(pattern):
    nox_dir = pathlib.Path(".nox")

    for p in pathlib.Path(".").rglob(pattern):
        if nox_dir in p.parents:
            continue
        if p.is_dir():
            p.rmdir()
        else:
            p.unlink()