Add/update dev scripts and Github workflow

.github/workflows/ci.yaml

@@ -0,0 +1,34 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+    tags: ['v*.*.*']
+
+jobs:
+  test:
+    name: Test
+    uses: daniil-berg/reusable-workflows/.github/workflows/python-test.yaml@v0.2.1
+    with:
+      versions: '["3.9", "3.10", "3.11"]'
+      unittest-command: 'scripts/test.sh'
+      coverage-command: 'scripts/cov.sh'
+      unittest-requirements: "-e '.[dev]'"
+      typecheck-command: 'scripts/typecheck.sh'
+      typecheck-requirements: '-Ur requirements/dev.txt'
+      typecheck-all-versions: true
+      lint-command: 'scripts/lint.sh'
+      lint-requirements: '-Ur requirements/dev.txt'
+
+  release:
+    name: Release
+    if: ${{ github.ref_type == 'tag' }}
+    needs: test
+    uses: daniil-berg/reusable-workflows/.github/workflows/python-release.yaml@v0.2.1
+    with:
+      git-ref: ${{ github.ref_name }}
+    secrets:
+      release-token: ${{ secrets.TOKEN_GITHUB_CREATE_RELEASE }}
+      publish-token: ${{ secrets.TOKEN_PYPI_PROJECT }}
+    permissions:
+      contents: write

scripts/ci.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# Runs full CI pipeline (test, typecheck, lint).
+
+typeset scripts_dir="$(dirname $(realpath $0))"
+
+source "${scripts_dir}/util.sh"
+
+"${scripts_dir}/test.sh"
+"${scripts_dir}/typecheck.sh"
+"${scripts_dir}/lint.sh"
+
+echo -e "${background_black}${bold_green}✅ 🎉 All checks passed!${color_reset}"

scripts/cov.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+# Runs unit tests.
+# If successful, prints only the coverage percentage.
+# If an error occurs, prints the entire unit tests progress output.
+
+source "$(dirname $(realpath $0))/util.sh"
+
+coverage erase
+run_and_capture coverage run
+coverage report | awk '$1 == "TOTAL" {print $NF; exit}'

scripts/lint.sh

@@ -1,16 +1,17 @@
 #!/usr/bin/env bash
-# Runs type checker and linters.
+# Runs various linters.
 
-# Ensure that we return to the current working directory
-# and exit the script immediately in case of an error:
-trap "cd $(realpath ${PWD}); exit 1" ERR
-# Change into project root directory:
-cd "$(dirname $(dirname $(realpath $0)))"
-
-echo 'Performing type checks...'
-mypy
-echo
+source "$(dirname $(realpath $0))/util.sh"
 
 echo 'Linting source and test files...'
-flake8 src/ tests/
-echo -e 'No issues found.'
+
+echo '  isort - consistent imports'
+isort src/ tests/ --check-only
+
+echo '  ruff - extensive linting'
+ruff src/ tests/
+
+echo '  black - consistent style'
+run_and_capture black src/ tests/ --check
+
+echo -e "${bold_green}No issues found${color_reset}\n"

scripts/test.sh

@@ -1,17 +1,12 @@
 #!/usr/bin/env bash
-# Runs unit tests and prints only coverage percentage, if successful.
-# If an error occurs, prints the entire unit tests progress output.
+# Runs unit tests and reports coverage percentage.
 
-# Ensure that we return to the current working directory in case of an error:
-trap "cd $(realpath ${PWD})" ERR
-# Change into project root directory:
-cd "$(dirname $(dirname $(realpath $0)))"
+source "$(dirname $(realpath $0))/util.sh"
 
-coverage erase
-# Capture the test progression in a variable:
-typeset progress
-progress=$(coverage run 2>&1)
-# If tests failed or produced errors, write progress/messages to stderr and exit:
-[[ $? -eq 0 ]] || { >&2 echo "${progress}"; exit 1; }
-# Otherwise extract the total coverage percentage from the produced report and write it to stdout:
-coverage report | awk '$1 == "TOTAL" {print $NF; exit}'
+echo 'Running unit tests...'
+coverage run
+typeset percentage
+typeset color
+percentage="$(coverage report | awk '$1 == "TOTAL" {print $NF; exit}')"
+[[ $percentage == "100%" ]] && color="${bold_green}" || color="${yellow}"
+echo -e "${color}${percentage} coverage${color_reset}\n"

scripts/typecheck.sh

@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+# Runs type checker.
+
+source "$(dirname $(realpath $0))/util.sh"
+
+echo 'Performing type checks...'
+mypy
+echo

scripts/util.sh

@@ -0,0 +1,20 @@
+run_and_capture() {
+  # Captures stderr of any command passed to it
+  # and releases it only if the command exits with a non-zero code.
+  typeset output
+  output=$($@ 2>&1)
+  typeset exit_status=$?
+  [[ $exit_status == 0 ]] || >&2 echo "${output}"
+  return $exit_status
+}
+
+# Ensure that we return to the current working directory
+# and exit the script immediately in case of an error:
+trap "cd $(realpath ${PWD}); exit 1" ERR
+# Change into project root directory:
+cd "$(dirname $(dirname $(realpath $0)))"
+
+typeset background_black='\033[40m'
+typeset bold_green='\033[1;92m'
+typeset yellow='\033[0;33m'
+typeset color_reset='\033[0m'