Add setuptools scm (#128)

* add deploy workflow

* update releasing steps for scm

* add scp as dep

* remove __version__ variable

* add pyproject.toml

* remove setup_requires

Author: northernSage

Diff for: .github/workflows/main.yml

@@ -45,3 +45,25 @@ jobs:
     - name: Lint
       run: |
         tox -e linting
+  deploy:
+      if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
+      runs-on: ubuntu-latest
+      needs: [build, linting]
+      steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.7"
+      - name: Install wheel
+        run: |
+          python -m pip install --upgrade pip setuptools
+          pip install wheel
+      - name: Build package
+        run: |
+          python setup.py sdist bdist_wheel
+      - name: Publish package to PyPI
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          user: __token__
+          password: ${{ secrets.pypi_token }}

Diff for: RELEASING.rst

@@ -28,28 +28,12 @@ Steps
 
     $ tox
 
-#. Install ``twine``
-
-    $ pip install twine
-
 #. Commit and push the branch for review.
 
-#. Once PR is **green** and **approved**, update `xprocess.__version__`::
-
-#. Create source distribution and wheel
-
-    $ python setup.py sdist bdist_wheel
-
-#. Check the created distribution files with twine
-
-    $ twine check dist/*
-
-#. Release to test pypi to ensure everything is OK
-
-    $ twine upload -r <testpypi> dist/*
-
-#. Finally, if everything looks fine on test pypi
+#. Once PR is **green** and **approved**, create and push a tag::
 
-    $ twine upload -r pypi dist
+    $ export VERSION=X.Y.Z
+    $ git tag $VERSION release-$VERSION
+    $ git push [email protected]:pytest-dev/pytest-xprocess.git $VERSION
 
 #. Merge ``release-X.Y.Z`` branch into master.

Diff for: pyproject.toml

@@ -0,0 +1,7 @@
+[build-system]
+requires = [
+  "setuptools>=45.0",
+  "setuptools-scm[toml]>=6.2.3",
+]
+
+[tool.setuptools_scm]

Diff for: setup.cfg

@@ -1,6 +1,5 @@
 [metadata]
 name = pytest-xprocess
-version = attr: xprocess.__version__
 author = Holger Krekel
 author_email = [email protected]
 license = MIT

Diff for: xprocess/__init__.py

@@ -9,5 +9,3 @@
     "XProcessResources",
     "XProcessInfo",
 ]
-
-__version__ = "0.22.0"