CI Overhaul

.flake8

@@ -0,0 +1,18 @@
+[flake8]
+# B = bugbear
+# B9 = bugbear opinions
+# BLK = black style warnings
+# C = mccabe code complexity
+# E = pycodestyle errors
+# F = pyflakes errors
+# I = isort style warnings
+# W = pycodestyle warnings
+select = B,B9,BLK,C,E,F,W
+# B904 = within an `except` clause, raise exceptions with `raise ... from err`
+# E203 = slice notation whitespace, invalid
+# E501 = line length, handled by bugbear B950
+# W503 = bin op line break, invalid
+ignore = B904, E203, E501, W503
+# up to 88 allowed by bugbear B950
+max-line-length = 80
+max-complexity = 18

.github/release-drafter.yml

@@ -0,0 +1,27 @@
+categories:
+  - title: ':boom: Breaking Changes'
+    label: 'breaking'
+  - title: ':package: Build System'
+    label: 'build'
+  - title: ':construction_worker: Continuous Integration'
+    label: 'ci'
+  - title: ':books: Documentation'
+    label: 'documentation'
+  - title: ':rocket: Features'
+    label: 'enhancement'
+  - title: ':beetle: Fixes'
+    label: 'bug'
+  - title: ':racehorse: Performance'
+    label: 'performance'
+  - title: ':hammer: Refactoring'
+    label: 'refactoring'
+  - title: ':fire: Removals and Deprecations'
+    label: 'removal'
+  - title: ':lipstick: Style'
+    label: 'style'
+  - title: ':rotating_light: Testing'
+    label: 'testing'
+template: |
+  ## What’s Changed
+
+  $CHANGES

.github/workflows/release-drafter.yml

@@ -0,0 +1,12 @@
+name: Release Drafter
+on:
+  push:
+    branches:
+      - master
+jobs:
+  draft_release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/release.yml

@@ -0,0 +1,17 @@
+name: Release
+on:
+  release:
+    types: [published]
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: actions/setup-python@v3
+      with:
+        python-version: '3.8'
+        architecture: x64
+    - run: pip install nox poetry
+    - run: nox --python 3.8
+    - run: poetry build
+    - run: poetry publish --username=__token__ --password=${{ secrets.PYPI_TOKEN }}

.github/workflows/test.yml

@@ -0,0 +1,22 @@
+name: Test
+on: [push]
+jobs:
+  tests:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        python-version: ['3.9', '3.8', '3.7']
+        os: [ubuntu-latest]
+    name: Test - Python ${{ matrix.python-version }} - ${{ matrix.os }}
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v3
+    - name: Setup Python
+      uses: actions/setup-python@v3
+      with:
+        python-version: ${{ matrix.python-version }}
+        architecture: x64
+    - name: Install Root Dependencies
+      run: pip install nox poetry
+    - name: Run Nox Sessions
+      run: nox --python ${{ matrix.python-version }}

.gitignore

@@ -1,6 +1,3 @@
-# PyCharm
-.idea/
-
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]
@@ -48,6 +45,8 @@ nosetests.xml
 coverage.xml
 *.cover
 .hypothesis/
+.pytest_cache/
+cover/
 
 # Translations
 *.mo
@@ -70,14 +69,47 @@ instance/
 docs/_build/
 
 # PyBuilder
+.pybuilder/
 target/
 
 # Jupyter Notebook
 .ipynb_checkpoints
 
+# IPython
+profile_default/
+ipython_config.py
+
 # pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
 .python-version
 
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/#use-with-ide
+.pdm.toml
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow
+__pypackages__/
+celerybeat.pid
+
 # celery beat schedule file
 celerybeat-schedule
 
@@ -105,3 +137,31 @@ venv.bak/
 
 # mypy
 .mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+.idea/
+
+# Nox
+.nox
+
+# VSCode
+.vscode
+*.code-workspace
+
+# Mac
+.DS_Store

.pre-commit-config.yaml

@@ -0,0 +1,44 @@
+exclude: >
+      (?x)(
+          \.mypy_cache/
+          | \.pytest_cache/
+          | \.venv/
+          | build/
+          | dist/
+          | \S+\.egg-info/
+      )
+
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.4.0
+    hooks:
+      - id: check-yaml
+      - id: check-toml
+      - id: check-json
+      - id: pretty-format-json
+        args: ["--autofix"]
+      - id: end-of-file-fixer
+      - id: trailing-whitespace
+        args: ["--markdown-linebreak-ext=md"]
+  - repo: local
+    hooks:
+      - id: isort
+        name: isort
+        entry: poetry run isort
+        types: [python]
+        language: system
+      - id: black
+        name: black
+        entry: poetry run black
+        types: [python]
+        language: system
+      - id: flake8
+        name: flake8
+        entry: poetry run flake8
+        types: [python]
+        language: system
+      - id: mypy
+        name: mypy
+        entry: poetry run mypy
+        types: [python]
+        language: system

README.md

@@ -1,2 +1,2 @@
 [![Build Status](https://travis-ci.org/bourbaki-py/introspection.svg?branch=master)](https://travis-ci.org/bourbaki-py/introspection)
-[![Coverage Status](https://coveralls.io/repos/github/bourbaki-py/introspection/badge.svg?branch=master)](https://coveralls.io/github/bourbaki-py/introspection?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/bourbaki-py/introspection/badge.svg?branch=master)](https://coveralls.io/github/bourbaki-py/introspection?branch=master)

noxfile.py

@@ -0,0 +1,62 @@
+"""Nox sessions."""
+import nox
+from nox.sessions import Session
+
+nox.options.sessions = "lint", "mypy", "tests"
+
+PACKAGE = "bourbaki-introspection"
+LOCATIONS = "src", "tests", "./noxfile.py"
+PYTHON = "3.9"
+PYTHONS = ["3.9", "3.8", "3.7"]
+
+
+# Formatting
+
+
+@nox.session(python=PYTHON)
+def isort(session: Session) -> None:
+    """Run isort import formatter."""
+    args = session.posargs or LOCATIONS
+    session.run("poetry", "install", "--only", "isort", external=True)
+    session.run("isort", *args)
+
+
+@nox.session(python=PYTHON)
+def black(session: Session) -> None:
+    """Run black code formatter."""
+    args = session.posargs or LOCATIONS
+    session.run("poetry", "install", "--only", "black", external=True)
+    session.run("black", *args)
+
+
+# Linting
+
+
+@nox.session(python=PYTHONS)
+def lint(session: Session) -> None:
+    """Lint using flake8."""
+    args = session.posargs or LOCATIONS
+    session.run("poetry", "install", "--only", "lint", external=True)
+    session.run("flake8", *args)
+
+
+# Typechecking
+
+
+@nox.session(python=PYTHONS)
+def mypy(session: Session) -> None:
+    """Type-check using mypy."""
+    args = session.posargs or LOCATIONS
+    session.run("poetry", "install", "--only", "main,mypy", external=True)
+    session.run("mypy", *args)
+
+
+# Testing
+
+
+@nox.session(python=PYTHONS)
+def tests(session: Session) -> None:
+    """Run the test suite."""
+    args = session.posargs or ["-rxs", "--cov"]
+    session.run("poetry", "install", "--only", "main,test", external=True)
+    session.run("pytest", *args)