setup poetry and move to github actions (#16)

Update with files from the  sceptre-resolver-template[1]
repo to update this project to use poetry and github actions CI

[1] https://github.com/Sceptre/sceptre-resolver-template

.flake8

@@ -5,5 +5,12 @@ exclude =
 	build,
 	dist,
 	.tox,
-	venv
+	venv,
+	.venv,
+	.pytest_cache
+max-complexity = 12
+per-file-ignores =
+	docs/_api/conf.py: E265
+	integration-tests/steps/*: E501,F811,F403,F405
+extend-ignore = E203
 max-line-length = 120

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,17 @@
+### Subject of the issue
+Describe your issue here.
+
+### Your environment
+* version of sceptre (sceptre --version)
+* version of python (python --version)
+* which OS/distro
+
+### Steps to reproduce
+Tell us how to reproduce this issue. Please provide sceptre projct files if possible,
+you can use https://plnkr.co/edit/ANFHm61Ilt4mQVgF as a base.
+
+### Expected behaviour
+Tell us what should happen
+
+### Actual behaviour
+Tell us what happens instead

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,21 @@
+[Your PR description here]
+
+## PR Checklist
+
+- [ ] Wrote a good commit message & description [see guide below].
+- [ ] Commit message starts with `[Resolve #issue-number]`.
+- [ ] Added/Updated unit tests.
+- [ ] Added/Updated integration tests (if applicable).
+- [ ] All unit tests (`poetry run tox`) are passing.
+- [ ] Used the same coding conventions as the rest of the project.
+- [ ] The new code passes pre-commit validations (`poetry run pre-commit run --all-files`).
+- [ ] The PR relates to _only_ one subject with a clear title.
+      and description in grammatically correct, complete sentences.
+
+## Approver/Reviewer Checklist
+
+- [ ] Before merge squash related commits.
+
+## Other Information
+
+[Guide to writing a good commit](http://chris.beams.io/posts/git-commit/)

.github/workflows/release.yaml

@@ -0,0 +1,16 @@
+name: release
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+
+jobs:
+  pypi-release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+      - name: Publish to pypi
+        run: poetry publish --build -u __token__ -p ${{ secrets.PYPI_API_TOKEN }}

.github/workflows/tests.yaml

@@ -0,0 +1,56 @@
+name: tests
+
+on:
+  push:
+    branches:
+      - '*'
+  pull_request:
+    branches:
+      - '*'
+
+jobs:
+  packaging:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+      - name: build package
+        run: poetry build
+  # use https://github.com/medmunds/tox-gh-matrix to export tox envlist to GH actions
+  get-tox-envlist:
+    runs-on: ubuntu-latest
+    outputs:
+      envlist: ${{ steps.generate-envlist.outputs.envlist }}
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+      - name: Install dependencies
+        run: poetry install --no-interaction --all-extras
+      - id: generate-envlist
+        run: poetry run tox --gh-matrix
+  unit-tests:
+    needs: get-tox-envlist
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: true
+      matrix:
+        tox: ${{ fromJSON(needs.get-tox-envlist.outputs.envlist) }}
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+      - name: Setup Python
+        id: setup-python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.tox.python.spec }}
+      - name: Install Poetry
+        uses: snok/install-poetry@v1
+      - name: Install dependencies
+        run: poetry install --no-interaction --all-extras
+      - name: run python tests
+        run: poetry run tox -e ${{ matrix.tox.name }}
+      - name: run python test report
+        run: poetry run tox -e report

.pre-commit-config.yaml

@@ -3,13 +3,51 @@ default_language_version:
 
 repos:
   - repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v3.4.0
+    rev: v4.5.0
     hooks:
       - id: end-of-file-fixer
       - id: mixed-line-ending
       - id: trailing-whitespace
-
-  - repo: https://gitlab.com/pycqa/flake8
-    rev: 3.9.0
+  - repo: https://github.com/PyCQA/flake8
+    rev: 7.0.0
     hooks:
       - id: flake8
+  - repo: https://github.com/adrienverge/yamllint
+    rev: v1.33.0
+    hooks:
+      - id: yamllint
+  - repo: https://github.com/awslabs/cfn-python-lint
+    rev: v0.84.0
+    hooks:
+      - id: cfn-python-lint
+        args:
+          - "-i=E0000"
+          - "-i=E1001"
+          - "-i=E3012"
+          - "-i=W6001"
+        exclude: |
+          (?x)(
+            ^integration-tests/sceptre-project/config/|
+            ^integration-tests/sceptre-project/templates/jinja/|
+            ^tests/fixtures-vpc/config/|
+            ^tests/fixtures/config/|
+            ^temp/|
+            ^.github/|
+            ^.pre-commit-config.yaml
+          )
+  - repo: https://github.com/psf/black
+    rev: 23.12.1
+    hooks:
+      - id: black
+  - repo: https://github.com/python-poetry/poetry
+    rev: '1.7.0'
+    hooks:
+      - id: poetry-check
+      - id: poetry-lock
+        language_version: python3.10
+        args: ['--check']
+  - repo: https://github.com/sirosen/check-jsonschema
+    rev: 0.27.3
+    hooks:
+      - id: check-github-workflows
+      - id: check-github-actions

.yamllint

@@ -0,0 +1,27 @@
+---
+
+extends: default
+
+rules:
+  braces:
+    level: warning
+    max-spaces-inside: 1
+  brackets:
+    level: warning
+    max-spaces-inside: 1
+  commas:
+    level: warning
+  comments: disable
+  comments-indentation: disable
+  document-start: disable
+  empty-lines:
+    level: warning
+  hyphens:
+    level: warning
+  indentation:
+    level: warning
+    indent-sequences: consistent
+  line-length: disable
+  truthy: disable
+  new-line-at-end-of-file:
+    level: warning