Add automation infrastructure

Makefile

@@ -0,0 +1,47 @@
+OS := $(shell uname -s)
+
+ifeq ($(OS), Linux)
+  NPROCS := $(shell grep -c ^processor /proc/cpuinfo)
+else ifeq ($(OS), Darwin)
+  NPROCS := 2
+else
+  NPROCS := 0
+endif # $(OS)
+
+ifeq ($(NPROCS), 2)
+	CONCURRENCY := 2
+else ifeq ($(NPROCS), 1)
+	CONCURRENCY := 1
+else ifeq ($(NPROCS), 3)
+	CONCURRENCY := 3
+else ifeq ($(NPROCS), 0)
+	CONCURRENCY := 0
+else
+	CONCURRENCY := $(shell echo "$(NPROCS) 2" | awk '{printf "%.0f", $$1 / $$2}')
+endif
+
+.PHONY: lint black test test_ci coverage clean
+
+all_check: lint
+
+lint:
+	pylint -rn qopt_best_practices test
+
+black:
+	python -m black qopt_best_practices test
+
+test:
+	python -m unittest discover -v test
+
+test_ci:
+	echo "Detected $(NPROCS) CPUs running with $(CONCURRENCY) workers"
+	python -m stestr run --concurrency $(CONCURRENCY)
+
+coverage:
+	python -m coverage3 run --source qopt_best_practices -m unittest discover -s test -q
+	python -m coverage3 report
+
+coverage_erase:
+	python -m coverage erase
+
+clean: coverage_erase;

pyproject.toml

@@ -0,0 +1,29 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"
+
+[tool.black]
+line-length = 100
+target-version = ['py38', 'py39', 'py310', 'py311']
+
+[tool.pylint.main]
+py-version = "3.8"  # update it when bumping minimum supported python version
+
+[tool.pylint.basic]
+good-names = ["a", "b", "i", "j", "k", "d", "n", "m", "ex", "v", "w", "x", "y", "z", "Run", "_", "logger", "q", "c", "r", "qr", "cr", "qc", "nd", "pi", "op", "b", "ar", "br", "p", "cp", "ax", "dt", "__unittest", "iSwapGate", "mu"]
+method-rgx = "(([a-z_][a-z0-9_]{2,49})|(assert[A-Z][a-zA-Z0-9]{2,43})|(test_[_a-zA-Z0-9]{2,}))$"
+variable-rgx = "[a-z_][a-z0-9_]{1,30}$"
+
+[tool.pylint.format]
+max-line-length = 105  # default 100
+
+[tool.pylint."messages control"]
+disable = []
+
+enable = [
+    "use-symbolic-message-instead"
+]
+
+[tool.pylint.spelling]
+spelling-private-dict-file = ".pylintdict"
+spelling-store-unknown-words = "n"

requirements-dev.txt

@@ -1,2 +1,4 @@
+coverage>=4.4.0,<7.0
 black[jupyter]~=22.0
 pylint>=2.15.0
+ddt>=1.2.0,!=1.4.0,!=1.4.3

requirements.txt

@@ -1,2 +1,5 @@
 python-sat
 networkx
+# preventively pinning qiskit in anticipation of
+# breaking changes in 1.0
+qiskit>=0.44,<1.0

stestr.conf

@@ -0,0 +1,2 @@
+[DEFAULT]
+test_path=./test

tox.ini

@@ -0,0 +1,41 @@
+[tox]
+# Sets this min.version because of differences with env_tmp_dir env.
+minversion = 4.0.2
+envlist = py38, py39, py310, py311, lint
+skipsdist = True
+
+[testenv]
+usedevelop = True
+install_command = pip install -c constraints.txt -U {opts} {packages}
+passenv = *
+setenv =
+  VIRTUAL_ENV={envdir}
+  LANGUAGE=en_US
+  LC_ALL=en_US.utf-8
+  ARGS="-V"
+deps = git+https://github.com/Qiskit/qiskit.git
+       -r{toxinidir}/requirements.txt
+       -r{toxinidir}/requirements-dev.txt
+commands =
+  stestr run {posargs}
+
+[testenv:lint]
+envdir = .tox/lint
+basepython = python3
+commands =
+  black --check {posargs} qopt_best_practices test
+  pylint -rn qopt_best_practices test
+
+[testenv:black]
+envdir = .tox/lint
+commands = black {posargs} qopt_best_practices test
+
+[testenv:coverage]
+basepython = python3
+setenv =
+  {[testenv]setenv}
+  PYTHON=coverage3 run --source qopt_best_practices --parallel-mode
+commands =
+  stestr run {posargs}
+  coverage3 combine
+  coverage3 report