Add CI workflow to lint and check formatting of Python files

On every push and pull request that affects relevant files, run flake8 to check the Python files of the repository for issues and black to check formatting. The .flake8 file is used to configure flake8: https://flake8.pycqa.org/en/latest/user/configuration.html
2025-07-19 08:03:16 +03:00 · 2021-07-15 07:21:52 -07:00
parent bd36fe6325
commit 71ea0c6d07
6 changed files with 334 additions and 1 deletions
--- a/.flake8
+++ b/.flake8
@ -0,0 +1,12 @@
+# Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-python/.flake8
+# See: https://flake8.pycqa.org/en/latest/user/configuration.html
+# The code style defined in this file is the official standardized style to be used in all Arduino tooling projects and
+# should not be modified.
+
+[flake8]
+doctests = True
+# W503 and W504 are mutually exclusive. PEP 8 recommends line break before.
+ignore = W503
+max-complexity = 10
+max-line-length = 120
+select = E,W,F,C,N
--- a/.github/workflows/check-python-task.yml
+++ b/.github/workflows/check-python-task.yml
@ -0,0 +1,86 @@
+# Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/check-python-task.md
+name: Check Python
+
+env:
+  # See: https://github.com/actions/setup-python/tree/v2#available-versions-of-python
+  PYTHON_VERSION: "3.9"
+
+# See: https://docs.github.com/en/actions/reference/events-that-trigger-workflows
+on:
+  push:
+    paths:
+      - ".github/workflows/check-python-task.ya?ml"
+      - "**/.flake8"
+      - "**/poetry.lock"
+      - "**/pyproject.toml"
+      - "**/setup.cfg"
+      - "Taskfile.ya?ml"
+      - "**/tox.ini"
+      - "**.py"
+  pull_request:
+    paths:
+      - ".github/workflows/check-python-task.ya?ml"
+      - "**/.flake8"
+      - "**/poetry.lock"
+      - "**/pyproject.toml"
+      - "**/setup.cfg"
+      - "Taskfile.ya?ml"
+      - "**/tox.ini"
+      - "**.py"
+  workflow_dispatch:
+  repository_dispatch:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+
+      - name: Install Poetry
+        run: pip install poetry
+
+      - name: Install Task
+        uses: arduino/setup-task@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          version: 3.x
+
+      - name: Run flake8
+        uses: liskin/gh-problem-matcher-wrap@v1
+        with:
+          linters: flake8
+          run: task python:lint
+
+  formatting:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ env.PYTHON_VERSION }}
+
+      - name: Install Poetry
+        run: pip install poetry
+
+      - name: Install Task
+        uses: arduino/setup-task@v1
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          version: 3.x
+
+      - name: Format Python code
+        run: task python:format
+
+      - name: Check formatting
+        run: git diff --color --exit-code
--- a/README.md
+++ b/README.md
@ -2,6 +2,7 @@

 [![Check Registry status](https://github.com/arduino/library-registry/actions/workflows/check-registry.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-registry.yml)
 [![Test Integration status](https://github.com/arduino/library-registry/actions/workflows/test-go-integration-task.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/test-go-integration-task.yml)
+[![Check Python status](https://github.com/arduino/library-registry/actions/workflows/check-python-task.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-python-task.yml)
 [![Check General Formatting status](https://github.com/arduino/library-registry/actions/workflows/check-general-formatting-task.yml/badge.svg)](https://github.com/arduino/library-registry/actions/workflows/check-general-formatting-task.yml)

 This branch contains the generated source file for the Arduino Library Manager index. If you want to add a library to
--- a/Taskfile.yml
+++ b/Taskfile.yml
@ -46,6 +46,22 @@ tasks:
    cmds:
      - poetry update

+  # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-python-task/Taskfile.yml
+  python:lint:
+    desc: Lint Python code
+    deps:
+      - task: poetry:install-deps
+    cmds:
+      - poetry run flake8 --show-source
+
+  # Source: https://github.com/arduino/tooling-project-assets/blob/main/workflow-templates/assets/check-python-task/Taskfile.yml
+  python:format:
+    desc: Format Python files
+    deps:
+      - task: poetry:install-deps
+    cmds:
+      - poetry run black .
+
  registry:validate:
    desc: Validate registry data file
    deps:
--- a/poetry.lock
+++ b/poetry.lock
@ -1,3 +1,11 @@
+[[package]]
+name = "appdirs"
+version = "1.4.4"
+description = "A small Python module for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
+category = "dev"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "atomicwrites"
 version = "1.4.0"
@ -20,6 +28,39 @@ docs = ["furo", "sphinx", "zope.interface", "sphinx-notfound-page"]
 tests = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins", "zope.interface"]
 tests_no_zope = ["coverage[toml] (>=5.0.2)", "hypothesis", "pympler", "pytest (>=4.3.0)", "six", "mypy", "pytest-mypy-plugins"]

+[[package]]
+name = "black"
+version = "21.6b0"
+description = "The uncompromising code formatter."
+category = "dev"
+optional = false
+python-versions = ">=3.6.2"
+
+[package.dependencies]
+appdirs = "*"
+click = ">=7.1.2"
+mypy-extensions = ">=0.4.3"
+pathspec = ">=0.8.1,<1"
+regex = ">=2020.1.8"
+toml = ">=0.10.1"
+
+[package.extras]
+colorama = ["colorama (>=0.4.3)"]
+d = ["aiohttp (>=3.6.0)", "aiohttp-cors (>=0.4.0)"]
+python2 = ["typed-ast (>=1.4.2)"]
+uvloop = ["uvloop (>=0.15.2)"]
+
+[[package]]
+name = "click"
+version = "8.0.1"
+description = "Composable command line interface toolkit"
+category = "dev"
+optional = false
+python-versions = ">=3.6"
+
+[package.dependencies]
+colorama = {version = "*", markers = "platform_system == \"Windows\""}
+
 [[package]]
 name = "colorama"
 version = "0.4.4"
@ -28,6 +69,30 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"

+[[package]]
+name = "flake8"
+version = "3.9.2"
+description = "the modular source code checker: pep8 pyflakes and co"
+category = "dev"
+optional = false
+python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,>=2.7"
+
+[package.dependencies]
+mccabe = ">=0.6.0,<0.7.0"
+pycodestyle = ">=2.7.0,<2.8.0"
+pyflakes = ">=2.3.0,<2.4.0"
+
+[[package]]
+name = "flake8-polyfill"
+version = "1.0.2"
+description = "Polyfill package for Flake8 plugins"
+category = "dev"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+flake8 = "*"
+
 [[package]]
 name = "iniconfig"
 version = "1.1.1"
@ -44,6 +109,22 @@ category = "dev"
 optional = false
 python-versions = "*"

+[[package]]
+name = "mccabe"
+version = "0.6.1"
+description = "McCabe checker, plugin for flake8"
+category = "dev"
+optional = false
+python-versions = "*"
+
+[[package]]
+name = "mypy-extensions"
+version = "0.4.3"
+description = "Experimental type system extensions for programs checked with the mypy typechecker."
+category = "dev"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "packaging"
 version = "21.0"
@ -55,6 +136,26 @@ python-versions = ">=3.6"
 [package.dependencies]
 pyparsing = ">=2.0.2"

+[[package]]
+name = "pathspec"
+version = "0.8.1"
+description = "Utility library for gitignore style pattern matching of file paths."
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
+
+[[package]]
+name = "pep8-naming"
+version = "0.12.0"
+description = "Check PEP-8 naming conventions, plugin for flake8"
+category = "dev"
+optional = false
+python-versions = "*"
+
+[package.dependencies]
+flake8 = ">=3.9.1"
+flake8-polyfill = ">=1.0.2,<2"
+
 [[package]]
 name = "pluggy"
 version = "0.13.1"
@ -74,6 +175,22 @@ category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"

+[[package]]
+name = "pycodestyle"
+version = "2.7.0"
+description = "Python style guide checker"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
+[[package]]
+name = "pyflakes"
+version = "2.3.1"
+description = "passive checker of Python programs"
+category = "dev"
+optional = false
+python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*"
+
 [[package]]
 name = "pyparsing"
 version = "2.4.7"
@ -103,6 +220,14 @@ toml = "*"
 [package.extras]
 testing = ["argcomplete", "hypothesis (>=3.56)", "mock", "nose", "requests", "xmlschema"]

+[[package]]
+name = "regex"
+version = "2021.7.6"
+description = "Alternative regular expression module, to replace re."
+category = "dev"
+optional = false
+python-versions = "*"
+
 [[package]]
 name = "toml"
 version = "0.10.2"
@ -114,9 +239,13 @@ python-versions = ">=2.6, !=3.0.*, !=3.1.*, !=3.2.*"
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.9"
-content-hash = "457471fb00b0b51a49788bdbbd7819f437097ea238ae272f42f045c9fcb7d38a"
+content-hash = "f68187d572d837da8ace9beeb095d5d105d146db98fc498af8d3b49ad4fb64de"

 [metadata.files]
+appdirs = [
+    {file = "appdirs-1.4.4-py2.py3-none-any.whl", hash = "sha256:a841dacd6b99318a741b166adb07e19ee71a274450e68237b4650ca1055ab128"},
+    {file = "appdirs-1.4.4.tar.gz", hash = "sha256:7d5d0167b2b1ba821647616af46a749d1c653740dd0d2415100fe26e27afdf41"},
+]
 atomicwrites = [
    {file = "atomicwrites-1.4.0-py2.py3-none-any.whl", hash = "sha256:6d1784dea7c0c8d4a5172b6c620f40b6e4cbfdf96d783691f2e1302a7b88e197"},
    {file = "atomicwrites-1.4.0.tar.gz", hash = "sha256:ae70396ad1a434f9c7046fd2dd196fc04b12f9e91ffb859164193be8b6168a7a"},
@ -125,10 +254,26 @@ attrs = [
    {file = "attrs-21.2.0-py2.py3-none-any.whl", hash = "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1"},
    {file = "attrs-21.2.0.tar.gz", hash = "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"},
 ]
+black = [
+    {file = "black-21.6b0-py3-none-any.whl", hash = "sha256:dfb8c5a069012b2ab1e972e7b908f5fb42b6bbabcba0a788b86dc05067c7d9c7"},
+    {file = "black-21.6b0.tar.gz", hash = "sha256:dc132348a88d103016726fe360cb9ede02cecf99b76e3660ce6c596be132ce04"},
+]
+click = [
+    {file = "click-8.0.1-py3-none-any.whl", hash = "sha256:fba402a4a47334742d782209a7c79bc448911afe1149d07bdabdf480b3e2f4b6"},
+    {file = "click-8.0.1.tar.gz", hash = "sha256:8c04c11192119b1ef78ea049e0a6f0463e4c48ef00a30160c704337586f3ad7a"},
+]
 colorama = [
    {file = "colorama-0.4.4-py2.py3-none-any.whl", hash = "sha256:9f47eda37229f68eee03b24b9748937c7dc3868f906e8ba69fbcbdd3bc5dc3e2"},
    {file = "colorama-0.4.4.tar.gz", hash = "sha256:5941b2b48a20143d2267e95b1c2a7603ce057ee39fd88e7329b0c292aa16869b"},
 ]
+flake8 = [
+    {file = "flake8-3.9.2-py2.py3-none-any.whl", hash = "sha256:bf8fd333346d844f616e8d47905ef3a3384edae6b4e9beb0c5101e25e3110907"},
+    {file = "flake8-3.9.2.tar.gz", hash = "sha256:07528381786f2a6237b061f6e96610a4167b226cb926e2aa2b6b1d78057c576b"},
+]
+flake8-polyfill = [
+    {file = "flake8-polyfill-1.0.2.tar.gz", hash = "sha256:e44b087597f6da52ec6393a709e7108b2905317d0c0b744cdca6208e670d8eda"},
+    {file = "flake8_polyfill-1.0.2-py2.py3-none-any.whl", hash = "sha256:12be6a34ee3ab795b19ca73505e7b55826d5f6ad7230d31b18e106400169b9e9"},
+]
 iniconfig = [
    {file = "iniconfig-1.1.1-py2.py3-none-any.whl", hash = "sha256:011e24c64b7f47f6ebd835bb12a743f2fbe9a26d4cecaa7f53bc4f35ee9da8b3"},
    {file = "iniconfig-1.1.1.tar.gz", hash = "sha256:bc3af051d7d14b2ee5ef9969666def0cd1a000e121eaea580d4a313df4b37f32"},
@ -138,10 +283,26 @@ invoke = [
    {file = "invoke-1.6.0-py3-none-any.whl", hash = "sha256:769e90caeb1bd07d484821732f931f1ad8916a38e3f3e618644687fc09cb6317"},
    {file = "invoke-1.6.0.tar.gz", hash = "sha256:374d1e2ecf78981da94bfaf95366216aaec27c2d6a7b7d5818d92da55aa258d3"},
 ]
+mccabe = [
+    {file = "mccabe-0.6.1-py2.py3-none-any.whl", hash = "sha256:ab8a6258860da4b6677da4bd2fe5dc2c659cff31b3ee4f7f5d64e79735b80d42"},
+    {file = "mccabe-0.6.1.tar.gz", hash = "sha256:dd8d182285a0fe56bace7f45b5e7d1a6ebcbf524e8f3bd87eb0f125271b8831f"},
+]
+mypy-extensions = [
+    {file = "mypy_extensions-0.4.3-py2.py3-none-any.whl", hash = "sha256:090fedd75945a69ae91ce1303b5824f428daf5a028d2f6ab8a299250a846f15d"},
+    {file = "mypy_extensions-0.4.3.tar.gz", hash = "sha256:2d82818f5bb3e369420cb3c4060a7970edba416647068eb4c5343488a6c604a8"},
+]
 packaging = [
    {file = "packaging-21.0-py3-none-any.whl", hash = "sha256:c86254f9220d55e31cc94d69bade760f0847da8000def4dfe1c6b872fd14ff14"},
    {file = "packaging-21.0.tar.gz", hash = "sha256:7dc96269f53a4ccec5c0670940a4281106dd0bb343f47b7471f779df49c2fbe7"},
 ]
+pathspec = [
+    {file = "pathspec-0.8.1-py2.py3-none-any.whl", hash = "sha256:aa0cb481c4041bf52ffa7b0d8fa6cd3e88a2ca4879c533c9153882ee2556790d"},
+    {file = "pathspec-0.8.1.tar.gz", hash = "sha256:86379d6b86d75816baba717e64b1a3a3469deb93bb76d613c9ce79edc5cb68fd"},
+]
+pep8-naming = [
+    {file = "pep8-naming-0.12.0.tar.gz", hash = "sha256:1f9a3ecb2f3fd83240fd40afdd70acc89695c49c333413e49788f93b61827e12"},
+    {file = "pep8_naming-0.12.0-py2.py3-none-any.whl", hash = "sha256:2321ac2b7bf55383dd19a6a9c8ae2ebf05679699927a3af33e60dd7d337099d3"},
+]
 pluggy = [
    {file = "pluggy-0.13.1-py2.py3-none-any.whl", hash = "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"},
    {file = "pluggy-0.13.1.tar.gz", hash = "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0"},
@ -150,6 +311,14 @@ py = [
    {file = "py-1.10.0-py2.py3-none-any.whl", hash = "sha256:3b80836aa6d1feeaa108e046da6423ab8f6ceda6468545ae8d02d9d58d18818a"},
    {file = "py-1.10.0.tar.gz", hash = "sha256:21b81bda15b66ef5e1a777a21c4dcd9c20ad3efd0b3f817e7a809035269e1bd3"},
 ]
+pycodestyle = [
+    {file = "pycodestyle-2.7.0-py2.py3-none-any.whl", hash = "sha256:514f76d918fcc0b55c6680472f0a37970994e07bbb80725808c17089be302068"},
+    {file = "pycodestyle-2.7.0.tar.gz", hash = "sha256:c389c1d06bf7904078ca03399a4816f974a1d590090fecea0c63ec26ebaf1cef"},
+]
+pyflakes = [
+    {file = "pyflakes-2.3.1-py2.py3-none-any.whl", hash = "sha256:7893783d01b8a89811dd72d7dfd4d84ff098e5eed95cfa8905b22bbffe52efc3"},
+    {file = "pyflakes-2.3.1.tar.gz", hash = "sha256:f5bc8ecabc05bb9d291eb5203d6810b49040f6ff446a756326104746cc00c1db"},
+]
 pyparsing = [
    {file = "pyparsing-2.4.7-py2.py3-none-any.whl", hash = "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"},
    {file = "pyparsing-2.4.7.tar.gz", hash = "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1"},
@ -158,6 +327,49 @@ pytest = [
    {file = "pytest-6.2.4-py3-none-any.whl", hash = "sha256:91ef2131a9bd6be8f76f1f08eac5c5317221d6ad1e143ae03894b862e8976890"},
    {file = "pytest-6.2.4.tar.gz", hash = "sha256:50bcad0a0b9c5a72c8e4e7c9855a3ad496ca6a881a3641b4260605450772c54b"},
 ]
+regex = [
+    {file = "regex-2021.7.6-cp36-cp36m-macosx_10_9_x86_64.whl", hash = "sha256:e6a1e5ca97d411a461041d057348e578dc344ecd2add3555aedba3b408c9f874"},
+    {file = "regex-2021.7.6-cp36-cp36m-manylinux1_i686.whl", hash = "sha256:6afe6a627888c9a6cfbb603d1d017ce204cebd589d66e0703309b8048c3b0854"},
+    {file = "regex-2021.7.6-cp36-cp36m-manylinux1_x86_64.whl", hash = "sha256:ccb3d2190476d00414aab36cca453e4596e8f70a206e2aa8db3d495a109153d2"},
+    {file = "regex-2021.7.6-cp36-cp36m-manylinux2010_i686.whl", hash = "sha256:ed693137a9187052fc46eedfafdcb74e09917166362af4cc4fddc3b31560e93d"},
+    {file = "regex-2021.7.6-cp36-cp36m-manylinux2010_x86_64.whl", hash = "sha256:99d8ab206a5270c1002bfcf25c51bf329ca951e5a169f3b43214fdda1f0b5f0d"},
+    {file = "regex-2021.7.6-cp36-cp36m-manylinux2014_i686.whl", hash = "sha256:b85ac458354165405c8a84725de7bbd07b00d9f72c31a60ffbf96bb38d3e25fa"},
+    {file = "regex-2021.7.6-cp36-cp36m-manylinux2014_x86_64.whl", hash = "sha256:3f5716923d3d0bfb27048242a6e0f14eecdb2e2a7fac47eda1d055288595f222"},
+    {file = "regex-2021.7.6-cp36-cp36m-manylinux_2_17_aarch64.manylinux2014_aarch64.whl", hash = "sha256:e5983c19d0beb6af88cb4d47afb92d96751fb3fa1784d8785b1cdf14c6519407"},
+    {file = "regex-2021.7.6-cp36-cp36m-win32.whl", hash = "sha256:c92831dac113a6e0ab28bc98f33781383fe294df1a2c3dfd1e850114da35fd5b"},
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 toml = [
    {file = "toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b"},
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--- a/pyproject.toml
+++ b/pyproject.toml
@ -1,3 +1,6 @@
+[tool.black]
+line-length = 120
+
 [tool.poetry]
 name = "library-registry"
 version = "0.0.0"
@ -11,6 +14,9 @@ python = "^3.9"
 [tool.poetry.dev-dependencies]
 pytest = "^6.2.4"
 invoke = "^1.5.0"
+black = "^21.5b0"
+flake8 = "^3.9.2"
+pep8-naming = "^0.12.0"

 [build-system]
 requires = ["poetry-core>=1.0.0"]