added publish workflow

.github/workflows/publish.yml

@@ -0,0 +1,29 @@
+name: Publish
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  publish:
+    name: "Publish release"
+    runs-on: "ubuntu-latest"
+
+    environment:
+      name: deploy
+
+    steps:
+      - uses: "actions/checkout@v2"
+      - uses: "actions/setup-python@v2"
+        with:
+          python-version: 3.7
+      - name: "Install dependencies"
+        run: "scripts/install"
+      - name: "Build package & docs"
+        run: "scripts/build"
+      - name: "Publish to PyPI & deploy docs"
+        run: "scripts/publish"
+        env:
+          TWINE_USERNAME: ${{ secrets.TWINE_USERNAME }}
+          TWINE_PASSWORD: ${{ secrets.TWINE_PASSWORD }}

compressor/__init__.py

@@ -1,2 +1,2 @@
 # following PEP 386
-__version__ = "2.3.4"
+__version__ = "2.3.5"

requirements/publish.txt

@@ -0,0 +1,2 @@
+twine==4.0.0
+wheel==0.37.1

scripts/build.sh

@@ -0,0 +1,12 @@
+#!/bin/sh -e
+
+if [ -d 'venv' ] ; then
+    PREFIX="venv/bin/"
+else
+    PREFIX=""
+fi
+
+set -x
+
+${PREFIX}python setup.py sdist bdist_wheel
+${PREFIX}twine check dist/*

scripts/publish-install.sh

@@ -0,0 +1,19 @@
+#!/bin/sh -e
+
+# Use the Python executable provided from the `-p` option, or a default.
+[ "$1" = "-p" ] && PYTHON=$2 || PYTHON="python3"
+
+REQUIREMENTS="requirements/publish.txt"
+VENV="venv"
+
+set -x
+
+if [ -z "$GITHUB_ACTIONS" ]; then
+    "$PYTHON" -m venv "$VENV"
+    PIP="$VENV/bin/pip"
+else
+    PIP="pip"
+fi
+
+"$PIP" install -r "$REQUIREMENTS"
+"$PIP" install -e .

scripts/publish.sh

@@ -0,0 +1,25 @@
+#!/bin/sh -e
+
+VERSION_FILE="compressor/__init__.py"
+
+if [ -d 'venv' ] ; then
+    PREFIX="venv/bin/"
+else
+    PREFIX=""
+fi
+
+if [ ! -z "$GITHUB_ACTIONS" ]; then
+  git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
+  git config --local user.name "GitHub Action"
+
+  VERSION=`grep __version__ ${VERSION_FILE} | grep -o '[0-9][^"]*'`
+
+  if [ "refs/tags/${VERSION}" != "${GITHUB_REF}" ] ; then
+    echo "GitHub Ref '${GITHUB_REF}' did not match package version '${VERSION}'"
+    exit 1
+  fi
+fi
+
+set -x
+
+${PREFIX}twine upload dist/*