noxfile.py

import tempfile
from typing import Any

import nox
from nox.sessions import Session


package = "csv2docx"
nox.options.sessions = "lint", "mypy", "safety", "tests"
locations = "src", "tests", "noxfile.py"


def install_with_constraints(session: Session, *args: str, **kwargs: Any) -> None:
    """A wrapper for session.install use linting and
    test depenencies that are pinned. This ensure
    replicatability amongst developers."""

    with tempfile.NamedTemporaryFile() as requirements:
        session.run(
            "poetry",
            "export",
            "--dev",
            "--format=requirements.txt",
            f"--output={requirements.name}",
            external=True,
        )
        session.install(f"--constraint={requirements.name}", *args, **kwargs)


@nox.session(python=["3.8"])
def mypy(session: Session) -> None:
    args = session.posargs or locations
    install_with_constraints(session, "mypy")
    session.run("mypy", *args)


@nox.session(python=["3.8"])
def tests(session: Session) -> None:
    args = session.posargs or ["--cov"]
    session.run("poetry", "install", "--no-dev", external=True)
    install_with_constraints(
        session, "coverage[toml]", "pytest", "pytest-cov", "pytest-mock"
    )
    session.run("pytest", *args)


@nox.session(python=["3.8"])
def black(session: Session) -> None:
    args = session.posargs or locations
    install_with_constraints(session, "black")
    session.run("black", *args)


@nox.session(python=["3.8"])
def lint(session: Session) -> None:
    args = session.posargs or locations
    install_with_constraints(
        session,
        "flake8",
        "flake8-aaa",
        "flake8-bandit",
        "flake8-black",
        "flake8-bugbear",
        "flake8-import-order",
    )
    session.run("flake8", *args)


@nox.session(python="3.8")
def safety(session: Session) -> None:
    with tempfile.NamedTemporaryFile() as requirements:
        session.run(
            "poetry",
            "export",
            "--dev",
            "--format=requirements.txt",
            "--without-hashes",
            f"--output={requirements.name}",
            external=True,
        )
        install_with_constraints(session, "safety")
        session.run("safety", "check", f"--file={requirements.name}", "--full-report")