Add auto publishing to pypi

.github/workflows/publish.yml

@@ -0,0 +1,45 @@
+name: Publish to PyPI
+on:
+  release:
+    types:
+      - created
+
+jobs:
+  pypi-publish:
+    name: Upload release to PyPI
+    runs-on: ubuntu-latest
+    environment:
+      name: release
+      url: https://pypi.org/p/thinkst-zippy
+    permissions:
+      id-token: write  # IMPORTANT: this permission is mandatory for trusted publishing
+    steps:
+    # retrieve your distributions here
+    - name: Set up Python
+      uses: actions/setup-python@v3
+    - name: "Check out repository code"
+      uses: "actions/checkout@v3"
+    - name: Install setuptools
+      run: pip3 install setuptools>=63.2.0
+    - name: Install wheel
+      run: pip3 install wheel
+    - name: Create package
+      run: python3 setup.py sdist
+    - name: check version matches tag
+      run: |
+            python3 -m pip install dist/*
+            version_to_release=$(python -c "import zippy; print(zippy.__version__)")
+            tag_name="${{ github.event.release.tag_name }}"
+            tag_name_without_v="${tag_name#v}"
+            if [[ "$version_to_release" == "$tag_name_without_v" ]]; then
+                echo "Versions match - may it be a great release"
+                exit 0
+            else
+              echo "Versions do not match - not publishing"
+              echo "zippy version is: $version_to_release"
+              echo "Git tag is: $tag_name -> $tag_name_without_v"
+              exit 1
+            fi
+
+    - name: Publish package distributions to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1

setup.py

@@ -1,8 +1,29 @@
 from setuptools import setup
+import codecs
+import os.path
+
+def read(rel_path):
+    here = os.path.abspath(os.path.dirname(__file__))
+    with codecs.open(os.path.join(here, rel_path), "r") as fp:
+        return fp.read()
+
+
+def get_version(rel_path):
+    """
+    Reading the package version dynamically.
+    https://packaging.python.org/en/latest/guides/single-sourcing-package-version/
+    """
+    for line in read(rel_path).splitlines():
+        if line.startswith("__version__"):
+            delim = '"' if '"' in line else "'"
+            return line.split(delim)[1]
+    else:
+        raise RuntimeError("Unable to find version string.")
+
 
 setup(
-    name='ZipPy setup file',
-    version='0.1.2',
+    name='thinkst-zippy',
+    version=get_version("zippy/__init__.py"),
     packages=['zippy'],
     package_data={"": ["*.txt"]},
     entry_points={

zippy/__init__.py

@@ -1 +1,2 @@
 from .zippy import *
+__version__ = "0.1.3"