Add release script

.gitignore

@@ -8,6 +8,7 @@ __pycache__
 # Build detritus
 build/
 dist/
+dists/
 .eggs
 *.egg-info/
 

scripts/release.py

@@ -0,0 +1,29 @@
+#! python3.7
+
+import glob
+import subprocess
+
+
+def upload(release):
+    if release:
+        repository = ["-r", "pypi"]
+    else:
+        repository = ["--repository-url", "https://test.pypi.org/legacy/"]
+
+    dist_files = glob.glob("dists/*")
+    args = ["twine", "upload"] + repository + dist_files
+
+    subprocess.check_call(args)
+
+
+if __name__ == "__main__":
+    import argparse
+
+    parser = argparse.ArgumentParser(description="Make a release")
+    parser.add_argument(
+        "--release", action="store_true", help="Used to make a real release"
+    )
+
+    args = parser.parse_args()
+
+    upload(args.release)

tox.ini

@@ -57,3 +57,10 @@ deps = twine
 commands = python -m pep517.build --source --binary {toxinidir} \
                                   --out-dir {toxinidir}/dists
            twine check {toxinidir}/dists/*
+
+[testenv:release]
+description = Make a pypi release
+basepython = python3.7
+passenv = *
+deps = twine
+commands = python scripts/release.py {posargs}