Feat: start using nox

.gitignore

@@ -4,5 +4,7 @@ dist/
 build/
 *.egg-info/
 documentation/build/
+documentation/source/_build/
 cache/
 venv/
+.nox

noxfile.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python
+
+
+import nox
+
+
+@nox.session
+def lint(session):
+    session.install("black")
+    session.run("black", "mapytex", "noxfile.py", "setup.py")
+
+
+@nox.session
+def test(session):
+    session.install("-r", "requirements.txt")
+    session.install("pytest")
+    session.run("pytest", "mapytex")
+
+
+@nox.session
+def docs(session):
+    """Build the documentation."""
+    session.run("rm", "-rf", "documentation/_build", external=True)
+    session.install("sphinx", "sphinx-autobuild", "sphinx_rtd_theme")
+    session.install(".")
+    session.cd("documentation/source")
+    sphinx_args = ["-b", "html", "-W", "-d", "_build/doctrees", ".", "_build/html"]
+
+    if not session.interactive:
+        sphinx_cmd = "sphinx-build"
+    else:
+        sphinx_cmd = "sphinx-autobuild"
+        sphinx_args.insert(0, "--open-browser")
+
+        session.run(sphinx_cmd, *sphinx_args)