drop compatibility with python3.5

https://github.com/fphammerle/wireless-sensor/commit/70812edc7c30fc1d48772265c912ead5136b6e60
https://github.com/fphammerle/wireless-sensor/commit/c9a0056c79d0b505f8f588912b36bb91874e0ddd
https://github.com/fphammerle/ical2vdir/commit/fb9acddb0c37db254596d9aba0b78fb6ba548b8e
https://github.com/fphammerle/python-manchester-code/commit/71fbee60e2d367643466e697be8715cce401fcd0
https://github.com/fphammerle/freesurfer-surface/commit/378ea44397ed2c7575160d350abde6a859fa2336
https://github.com/fphammerle/freesurfer-volume-reader/commit/c1511cdbec8145aee119a56f847ce2b44e8f9400
https://github.com/fphammerle/wireless-sensor-mqtt/commit/f5afa1ef508e5f8fb5907b34a940696fc080a6a8

.github/dependabot.yml

@@ -7,7 +7,7 @@ updates:
   # > - pipenv, pip-compile, and poetry (specify pip)
   package-ecosystem: pip
   directory: /
-  # avoid changes in Pipfile breaking python3.5 compatibility
+  # avoid changes in Pipfile breaking constraints for compatibility with older python versions
   versioning-strategy: lockfile-only
   schedule:
     interval: weekly

.github/workflows/python.yml

@@ -14,11 +14,10 @@ on:
 
 jobs:
   code-format:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version:
-        - 3.8
+        python-verison: ['3.9']
     steps:
     - uses: actions/checkout@v2.3.4
     - uses: actions/setup-python@v2.2.2
@@ -31,15 +30,14 @@ jobs:
     - run: pipenv graph
     - run: pipenv run black --check .
   tests:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
         python-version:
-        - 3.5
-        - 3.6
-        - 3.7
-        - 3.8
-        - 3.9
+        - '3.6'
+        - '3.7'
+        - '3.8'
+        - '3.9'
       fail-fast: false
     steps:
     - uses: actions/checkout@v2.3.4
@@ -47,14 +45,13 @@ jobs:
       with:
         python-version: ${{ matrix.python-version }}
     - run: pip install --upgrade pipenv==2020.8.13
-    - run: pipenv install --python "$PYTHON_VERSION" --deploy --dev
+    # by default pipenv picks the latest version in PATH
+    - run: pipenv --python "$PYTHON_VERSION" install --deploy --dev
       env:
         PYTHON_VERSION: ${{ matrix.python-version }}
     - run: pipenv graph
     - run: pipenv run pytest --cov="$(cat *.egg-info/top_level.txt)" --cov-report=term-missing --cov-fail-under=100
-    # https://github.com/PyCQA/pylint/issues/3882
-    - run: python3 -c 'import sys; sys.exit(sys.version_info < (3, 9))'
-        || pipenv run pylint --load-plugins=pylint_import_requirements "$(cat *.egg-info/top_level.txt)"
+    - run: pipenv run pylint --load-plugins=pylint_import_requirements "$(cat *.egg-info/top_level.txt)"
     # https://github.com/PyCQA/pylint/issues/352
     - run: pipenv run pylint --disable=duplicate-code tests/*
     - run: pipenv run mypy "$(cat *.egg-info/top_level.txt)" tests

.pylintrc

@@ -1,7 +1,6 @@
 [MESSAGE CONTROL]
 
-disable=bad-continuation, # black
-        missing-function-docstring,
+disable=missing-function-docstring,
         missing-module-docstring
 
 [DESIGN]

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+### Removed
+- compatibility with `python3.5`
 
 ## [1.1.0] - 2021-10-06
 ### Added

Pipfile

@@ -7,32 +7,13 @@ name = "pypi"
 switchbot-mqtt = {editable = true,path = "."}
 
 [dev-packages]
-# black requires python>=3.6
-# https://github.com/psf/black/commit/e74117f172e29e8a980e2c9de929ad50d3769150#diff-2eeaed663bd0d25b7e608891384b7298R51
-black = {version = "==20.8b1", markers = "python_version >= '3.6'"}
+black = "==20.8b1"
 mypy = "*"
-#pylint = "*"
+pylint = "*"
 pylint-import-requirements = "*"
-#pytest = "*"
+pytest = "*"
 pytest-cov = "*"
 
-# python3.5 compatibility
-# https://github.com/PyCQA/astroid/commit/d81f07becf3243a84e0baaa3493ce74cafed8022#diff-60f61ab7a8d1910d86d9fda2261620314edcae5894d5aaa236b821c7256badd7R52
-astroid = "<2.5"
-# https://github.com/pallets/click/commit/9374365fdd5af45fc3dc4047963fa30aad9ce15c
-click = "<8"
-# https://github.com/python/importlib_metadata/commit/107f9029fd5807c6579b881db19e11a0488f0675
-importlib-metadata = "<3"
-isort = "<5"
-# workaround https://github.com/pytest-dev/pytest/issues/3953
-pathlib2 = {version = "*", markers="python_version < '3.6'"}
-# https://github.com/PyCQA/pylint/commit/6e2de8e3a2e2c5586e876ca305f0844bdd822db3
-pylint = "<2.7"
-# https://github.com/pytest-dev/pytest/commit/179f4326df2b644f0ab73f78e4770dafcbdcd89f#diff-fa602a8a75dc9dcc92261bac5f533c2a85e34fcceaff63b3a3a81d9acde2fc52R52
-pytest = "<6.2"
-# https://github.com/jaraco/zipp/commit/05a3c52b4d41690e0471a2e283cffb500dc0329a
-zipp = "<2"
-
 [requires]
 python_version = "3"
 

Pipfile.lock

@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "3353e3509dc8c34f46d71c669d24056582acb1b0b82237c465cc7f907b2f0afb"
+            "sha256": "a962c2c86bd4f456e14954fc1d83291b10f6b1032fb41564d8b584a85ccbbc67"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -35,10 +35,6 @@
             ],
             "version": "==0.10.1"
         },
-        "sanitized-package": {
-            "editable": true,
-            "path": "."
-        },
         "switchbot-mqtt": {
             "editable": true,
             "path": "."
@@ -54,18 +50,16 @@
         },
         "astroid": {
             "hashes": [
-                "sha256:2f4078c2a41bf377eea06d71c9d2ba4eb8f6b1af2135bec27bbbb7d8f12bb703",
-                "sha256:bc58d83eb610252fd8de6363e39d4f1d0619c894b0ed24603b881c02e64c7386"
+                "sha256:304e99c129794f2cfda584a12b71fde85205da950e2f330f4be09150525ae949",
+                "sha256:9eaeaf92b3e21b70bec1a262e7eb118d2e96294892a5de595c92a12adc80dfc2"
             ],
-            "index": "pypi",
-            "version": "==2.4.2"
+            "version": "==2.8.2"
         },
         "attrs": {
             "hashes": [
                 "sha256:149e90d6d8ac20db7a955ad60cf0e6881a3f20d37096140088356da6c716b0b1",
                 "sha256:ef6aaac3ca6cd92904cdd0d83f629a15f18053ec84e6432106f7a4d04ae4f5fb"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
             "version": "==21.2.0"
         },
         "black": {
@@ -73,82 +67,59 @@
                 "sha256:1c02557aa099101b9d21496f8a914e9ed2222ef70336404eeeac8edba836fbea"
             ],
             "index": "pypi",
-            "markers": "python_version >= '3.6'",
             "version": "==20.8b1"
         },
         "click": {
             "hashes": [
-                "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a",
-                "sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc"
+                "sha256:3fab8aeb8f15f5452ae7511ad448977b3417325bceddd53df87e0bb81f3a8cf8",
+                "sha256:7027bc7bbafaab8b2c2816861d8eb372429ee3c02e193fc2f93d6c4ab9de49c5"
             ],
-            "index": "pypi",
-            "version": "==7.1.2"
+            "version": "==8.0.2"
         },
         "coverage": {
             "hashes": [
-                "sha256:004d1880bed2d97151facef49f08e255a20ceb6f9432df75f4eef018fdd5a78c",
-                "sha256:01d84219b5cdbfc8122223b39a954820929497a1cb1422824bb86b07b74594b6",
-                "sha256:040af6c32813fa3eae5305d53f18875bedd079960822ef8ec067a66dd8afcd45",
-                "sha256:06191eb60f8d8a5bc046f3799f8a07a2d7aefb9504b0209aff0b47298333302a",
-                "sha256:13034c4409db851670bc9acd836243aeee299949bd5673e11844befcb0149f03",
-                "sha256:13c4ee887eca0f4c5a247b75398d4114c37882658300e153113dafb1d76de529",
-                "sha256:184a47bbe0aa6400ed2d41d8e9ed868b8205046518c52464fde713ea06e3a74a",
-                "sha256:18ba8bbede96a2c3dde7b868de9dcbd55670690af0988713f0603f037848418a",
-                "sha256:1aa846f56c3d49205c952d8318e76ccc2ae23303351d9270ab220004c580cfe2",
-                "sha256:217658ec7187497e3f3ebd901afdca1af062b42cfe3e0dafea4cced3983739f6",
-                "sha256:24d4a7de75446be83244eabbff746d66b9240ae020ced65d060815fac3423759",
-                "sha256:2910f4d36a6a9b4214bb7038d537f015346f413a975d57ca6b43bf23d6563b53",
-                "sha256:2949cad1c5208b8298d5686d5a85b66aae46d73eec2c3e08c817dd3513e5848a",
-                "sha256:2a3859cb82dcbda1cfd3e6f71c27081d18aa251d20a17d87d26d4cd216fb0af4",
-                "sha256:2cafbbb3af0733db200c9b5f798d18953b1a304d3f86a938367de1567f4b5bff",
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-                "sha256:3487286bc29a5aa4b93a072e9592f22254291ce96a9fbc5251f566b6b7343cdb",
-                "sha256:372da284cfd642d8e08ef606917846fa2ee350f64994bebfbd3afb0040436905",
-                "sha256:41179b8a845742d1eb60449bdb2992196e211341818565abded11cfa90efb821",
-                "sha256:44d654437b8ddd9eee7d1eaee28b7219bec228520ff809af170488fd2fed3e2b",
-                "sha256:4a7697d8cb0f27399b0e393c0b90f0f1e40c82023ea4d45d22bce7032a5d7b81",
-                "sha256:51cb9476a3987c8967ebab3f0fe144819781fca264f57f89760037a2ea191cb0",
-                "sha256:52596d3d0e8bdf3af43db3e9ba8dcdaac724ba7b5ca3f6358529d56f7a166f8b",
-                "sha256:53194af30d5bad77fcba80e23a1441c71abfb3e01192034f8246e0d8f99528f3",
-                "sha256:5fec2d43a2cc6965edc0bb9e83e1e4b557f76f843a77a2496cbe719583ce8184",
-                "sha256:6c90e11318f0d3c436a42409f2749ee1a115cd8b067d7f14c148f1ce5574d701",
-                "sha256:74d881fc777ebb11c63736622b60cb9e4aee5cace591ce274fb69e582a12a61a",
-                "sha256:7501140f755b725495941b43347ba8a2777407fc7f250d4f5a7d2a1050ba8e82",
-                "sha256:796c9c3c79747146ebd278dbe1e5c5c05dd6b10cc3bcb8389dfdf844f3ead638",
-                "sha256:869a64f53488f40fa5b5b9dcb9e9b2962a66a87dab37790f3fcfb5144b996ef5",
-                "sha256:8963a499849a1fc54b35b1c9f162f4108017b2e6db2c46c1bed93a72262ed083",
-                "sha256:8d0a0725ad7c1a0bcd8d1b437e191107d457e2ec1084b9f190630a4fb1af78e6",
-                "sha256:900fbf7759501bc7807fd6638c947d7a831fc9fdf742dc10f02956ff7220fa90",
-                "sha256:92b017ce34b68a7d67bd6d117e6d443a9bf63a2ecf8567bb3d8c6c7bc5014465",
-                "sha256:970284a88b99673ccb2e4e334cfb38a10aab7cd44f7457564d11898a74b62d0a",
-                "sha256:972c85d205b51e30e59525694670de6a8a89691186012535f9d7dbaa230e42c3",
-                "sha256:9a1ef3b66e38ef8618ce5fdc7bea3d9f45f3624e2a66295eea5e57966c85909e",
-                "sha256:af0e781009aaf59e25c5a678122391cb0f345ac0ec272c7961dc5455e1c40066",
-                "sha256:b6d534e4b2ab35c9f93f46229363e17f63c53ad01330df9f2d6bd1187e5eaacf",
-                "sha256:b7895207b4c843c76a25ab8c1e866261bcfe27bfaa20c192de5190121770672b",
-                "sha256:c0891a6a97b09c1f3e073a890514d5012eb256845c451bd48f7968ef939bf4ae",
-                "sha256:c2723d347ab06e7ddad1a58b2a821218239249a9e4365eaff6649d31180c1669",
-                "sha256:d1f8bf7b90ba55699b3a5e44930e93ff0189aa27186e96071fac7dd0d06a1873",
-                "sha256:d1f9ce122f83b2305592c11d64f181b87153fc2c2bbd3bb4a3dde8303cfb1a6b",
-                "sha256:d314ed732c25d29775e84a960c3c60808b682c08d86602ec2c3008e1202e3bb6",
-                "sha256:d636598c8305e1f90b439dbf4f66437de4a5e3c31fdf47ad29542478c8508bbb",
-                "sha256:deee1077aae10d8fa88cb02c845cfba9b62c55e1183f52f6ae6a2df6a2187160",
-                "sha256:ebe78fe9a0e874362175b02371bdfbee64d8edc42a044253ddf4ee7d3c15212c",
-                "sha256:f030f8873312a16414c0d8e1a1ddff2d3235655a2174e3648b4fa66b3f2f1079",
-                "sha256:f0b278ce10936db1a37e6954e15a3730bea96a0997c26d7fee88e6c396c2086d",
-                "sha256:f11642dddbb0253cc8853254301b51390ba0081750a8ac03f20ea8103f0c56b6"
-            ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
-            "version": "==5.5"
+                "sha256:07efe1fbd72e67df026ad5109bcd216acbbd4a29d5208b3dab61779bae6b7b26",
+                "sha256:0898d6948b31df13391cd40568de8f35fa5901bc922c5ae05cf070587cb9c666",
+                "sha256:0a7e55cc9f7efa22d5cc9966276ec7a40a8803676f6ccbfdc06a486fba9aa9ee",
+                "sha256:17426808e8e0824f864876312d41961223bf5e503bf8f1f846735279a60ea345",
+                "sha256:1770d24f45f1f2daeae34cfa3b33fcb29702153544cd2ad40d58399dd4ff53b5",
+                "sha256:1864bdf9b2ccb43e724051bc23a1c558daf101ad4488ede1945f2a8be1facdad",
+                "sha256:2c5f39d1556e75fc3c4fb071f9e7cfa618895a999a0de763a541d730775d0d5f",
+                "sha256:3490ff6dbf3f7accf0750136ed60ae1f487bccc1f097740e3b21262bc9c89854",
+                "sha256:353a50f123f0185cdb7a1e1e3e2cfb9d1fd7e293cfaf68eedaf5bd8e02e3ec32",
+                "sha256:3edbb3ec580c73e5a264f5d04f30245bc98eff1a26765d46c5c65134f0a0e2f7",
+                "sha256:4eb9cd910ca8e243f930243a9940ea1a522e32435d15668445753d087c30ee12",
+                "sha256:5b06f4f1729e2963281d9cd6e65e6976bf27b44d4c07ac5b47223ce45f822cec",
+                "sha256:5b1ceacb86e0a9558061dcc6baae865ed25933ea57effea644f21657cdce19bc",
+                "sha256:65da6e3e8325291f012921bbf71fea0a97824e1c573981871096aac6e2cf0ec5",
+                "sha256:66fe33e9e0df58675e08e83fe257f89e7f625e7633ea93d0872154e09cce2724",
+                "sha256:6873f3f954d3e3ab8b1881f4e5307cc19f70c9f931c41048d9f7e6fd946eabe7",
+                "sha256:73880a80fad0597eca43e213e5e1711bf6c0fcdb7eb6b01b3b17841ebe5a7f8d",
+                "sha256:7600fac458f74c68b097379f76f3a6e3a630493fc7fc94b6508fedd9d498c194",
+                "sha256:83682b73785d2e078e0b5f63410b8125b122e1a22422640c57edd4011c950f3e",
+                "sha256:83faa3692e8306b20293889714fdf573d10ef5efc5843bd7c7aea6971487bd6a",
+                "sha256:9c416ba03844608f45661a5b48dc59c6b5e89956efe388564dd138ca8caf540b",
+                "sha256:9d242a2434801ef5125330deddb4cddba8990c9a49b3dec99dca17dd7eefba5a",
+                "sha256:a2e15ab5afbee34abf716fece80ea33ea09a82e7450512f022723b1a82ec9a4e",
+                "sha256:abe8207dfb8a61ded9cd830d26c1073c8218fc0ae17eb899cfe8ec0fafae6e22",
+                "sha256:ad7182a82843f9f85487f44567c8c688f16c906bdb8d0e44ae462aed61cb8f1b",
+                "sha256:b45f89a8ef65c29195f8f28dbe215f44ccb29d934f3e862d2a5c12e38698a793",
+                "sha256:b81a4e667c45b13658b84f9b8f1d32ef86d5405fabcbd181b76b9e51d295f397",
+                "sha256:c9c413c4397d4cdc7ca89286158d240ce524f9667b52c9a64dd7e13d16cf8815",
+                "sha256:e11cca9eb5c9b3eaad899728ee2ce916138399ee8cbbccaadc1871fecb750827",
+                "sha256:e66c50f0ab445fec920a9f084914ea1776a809e3016c3738519048195f851bbb",
+                "sha256:ea452a2d83964d08232ade470091015e7ab9b8f53acbec10f2210fbab4ce7e43",
+                "sha256:f398d38e6ebc2637863db1d7be3d4f9c5174e7d24bb3b0716cdb1f204669cbcf",
+                "sha256:f82a17f2a77958f3eef40ad385fc82d4c6ba9a77a51a174efe03ce75daebbc16"
+            ],
+            "version": "==6.0.1"
         },
         "importlib-metadata": {
             "hashes": [
-                "sha256:b8de9eff2b35fb037368f28a7df1df4e6436f578fa74423505b6c6a778d5b5dd",
-                "sha256:c2d6341ff566f609e89a2acb2db190e5e1d23d5409d6cc8d2fe34d72443876d4"
+                "sha256:b618b6d2d5ffa2f16add5697cf57a46c76a56229b0ed1c438322e4e95645bd15",
+                "sha256:f284b3e11256ad1e5d03ab86bb2ccd6f5339688ff17a4d797a0fe7df326f23b1"
             ],
-            "index": "pypi",
-            "version": "==2.1.1"
+            "version": "==4.8.1"
         },
         "iniconfig": {
             "hashes": [
@@ -159,38 +130,37 @@
         },
         "isort": {
             "hashes": [
-                "sha256:54da7e92468955c4fceacd0c86bd0ec997b0e1ee80d97f67c35a78b719dccab1",
-                "sha256:6e811fcb295968434526407adb8796944f1988c5b65e8139058f2014cbe100fd"
+                "sha256:9c2ea1e62d871267b78307fe511c0838ba0da28698c5732d54e2790bf3ba9899",
+                "sha256:e17d6e2b81095c9db0a03a8025a957f334d6ea30b26f9ec70805411e5c7c81f2"
             ],
-            "index": "pypi",
-            "version": "==4.3.21"
+            "version": "==5.9.3"
         },
         "lazy-object-proxy": {
             "hashes": [
-                "sha256:0c4b206227a8097f05c4dbdd323c50edf81f15db3b8dc064d08c62d37e1a504d",
-                "sha256:194d092e6f246b906e8f70884e620e459fc54db3259e60cf69a4d66c3fda3449",
-                "sha256:1be7e4c9f96948003609aa6c974ae59830a6baecc5376c25c92d7d697e684c08",
-                "sha256:4677f594e474c91da97f489fea5b7daa17b5517190899cf213697e48d3902f5a",
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@@ -240,18 +210,8 @@
                 "sha256:7dc96269f53a4ccec5c0670940a4281106dd0bb343f47b7471f779df49c2fbe7",
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@@ -259,29 +219,34 @@
             ],
             "version": "==0.9.0"
         },
+        "platformdirs": {
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-            "version": "==0.13.1"
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             "version": "==1.10.0"
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@@ -296,87 +261,84 @@
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+        "tomli": {
+            "hashes": [
+                "sha256:8dd0e9524d6f386271a36b41dbf6c57d8e32fd96fd22b6584679dc569d20899f",
+                "sha256:a5b75cb6f3968abb47af1b40c1819dc519ea82bcc065776a866e8d74c5ca9442"
+            ],
+            "version": "==1.2.1"
+        },
         "typed-ast": {
             "hashes": [
                 "sha256:01ae5f73431d21eead5015997ab41afa53aa1fbe252f9da060be5dad2c730ace",
@@ -428,11 +390,10 @@
         },
         "zipp": {
             "hashes": [
-                "sha256:c70410551488251b0fee67b460fb9a536af8d6f9f008ad10ac51f615b6a521b1",
-                "sha256:e0d9e63797e483a30d27e09fffd308c59a700d365ec34e93cc100844168bf921"
+                "sha256:71c644c5369f4a6e07636f0aa966270449561fcea2e3d6747b8d23efaa9d7832",
+                "sha256:9fe5ea21568a0a70e50f273397638d39b03353731e6cbbb3fd8502a33fec40bc"
             ],
-            "index": "pypi",
-            "version": "==1.2.0"
+            "version": "==3.6.0"
         }
     }
 }

setup.py

@@ -33,7 +33,9 @@ setuptools.setup(
     description="MQTT client controlling SwitchBot button & curtain automators, "
     # https://www.home-assistant.io/integrations/switch.mqtt/
     "compatible with home-assistant.io's MQTT Switch & Cover platform",
-    long_description=pathlib.Path(__file__).parent.joinpath("README.md").read_text(),
+    long_description=pathlib.Path(__file__)
+    .parent.joinpath("README.md")
+    .read_text(encoding="utf8"),
     long_description_content_type="text/markdown",
     author="Fabian Peter Hammerle",
     author_email="fabian@hammerle.me",
@@ -63,7 +65,6 @@ setuptools.setup(
         "License :: OSI Approved :: GNU General Public License v3 or later (GPLv3+)",
         "Operating System :: POSIX :: Linux",
         # .github/workflows/python.yml
-        "Programming Language :: Python :: 3.5",
         "Programming Language :: Python :: 3.6",
         "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
@@ -71,6 +72,8 @@ setuptools.setup(
         "Topic :: Home Automation",
     ],
     entry_points={"console_scripts": ["switchbot-mqtt = switchbot_mqtt:_main"]},
+    # variable type hints, f-strings & * to force keyword-only arguments
+    python_requires=">=3.6",
     install_requires=[
         # >=1.3.0 for btle.BTLEManagementError (could be replaced with BTLEException)
         # >=0.1.0 for btle.helperExe

switchbot_mqtt/__init__.py

@@ -43,7 +43,7 @@ class _MQTTTopicPlaceholder(enum.Enum):
 
 _MQTTTopicLevel = typing.Union[str, _MQTTTopicPlaceholder]
 # "homeassistant" for historic reason, may be parametrized in future
-_MQTT_TOPIC_LEVELS_PREFIX = ["homeassistant"]  # type: typing.List[_MQTTTopicLevel]
+_MQTT_TOPIC_LEVELS_PREFIX: typing.List[_MQTTTopicLevel] = ["homeassistant"]
 
 
 def _join_mqtt_topic_levels(
@@ -77,6 +77,7 @@ class _MQTTCallbackUserdata:
     # pylint: disable=too-few-public-methods; @dataclasses.dataclass when python_requires>=3.7
     def __init__(
         self,
+        *,
         retry_count: int,
         device_passwords: typing.Dict[str, str],
         fetch_device_info: bool,
@@ -90,12 +91,12 @@ class _MQTTCallbackUserdata:
 
 
 class _MQTTControlledActor(abc.ABC):
-    MQTT_COMMAND_TOPIC_LEVELS = NotImplemented  # type: typing.List[_MQTTTopicLevel]
-    MQTT_STATE_TOPIC_LEVELS = NotImplemented  # type: typing.List[_MQTTTopicLevel]
+    MQTT_COMMAND_TOPIC_LEVELS: typing.List[_MQTTTopicLevel] = NotImplemented
+    MQTT_STATE_TOPIC_LEVELS: typing.List[_MQTTTopicLevel] = NotImplemented
 
     @abc.abstractmethod
     def __init__(
-        self, mac_address: str, retry_count: int, password: typing.Optional[str]
+        self, *, mac_address: str, retry_count: int, password: typing.Optional[str]
     ) -> None:
         # alternative: pySwitchbot >=0.10.0 provides SwitchbotDevice.get_mac()
         self._mac_address = mac_address
@@ -166,6 +167,7 @@ class _MQTTControlledActor(abc.ABC):
 
     def _mqtt_publish(
         self,
+        *,
         topic_levels: typing.List[_MQTTTopicLevel],
         payload: bytes,
         mqtt_client: paho.mqtt.client.Client,
@@ -175,9 +177,9 @@ class _MQTTControlledActor(abc.ABC):
         )
         # https://pypi.org/project/paho-mqtt/#publishing
         _LOGGER.debug("publishing topic=%s payload=%r", topic, payload)
-        message_info = mqtt_client.publish(
+        message_info: paho.mqtt.client.MQTTMessageInfo = mqtt_client.publish(
             topic=topic, payload=payload, retain=True
-        )  # type: paho.mqtt.client.MQTTMessageInfo
+        )
         # wait before checking status?
         if message_info.rc != paho.mqtt.client.MQTT_ERR_SUCCESS:
             _LOGGER.error(
@@ -212,7 +214,7 @@ class _ButtonAutomator(_MQTTControlledActor):
     ]
 
     def __init__(
-        self, mac_address: str, retry_count: int, password: typing.Optional[str]
+        self, *, mac_address: str, retry_count: int, password: typing.Optional[str]
     ) -> None:
         self._device = switchbot.Switchbot(
             mac=mac_address, password=password, retry_count=retry_count
@@ -279,7 +281,7 @@ class _CurtainMotor(_MQTTControlledActor):
         )
 
     def __init__(
-        self, mac_address: str, retry_count: int, password: typing.Optional[str]
+        self, *, mac_address: str, retry_count: int, password: typing.Optional[str]
     ) -> None:
         # > The position of the curtain is saved in self._pos with 0 = open and 100 = closed.
         # https://github.com/Danielhiversen/pySwitchbot/blob/0.10.0/switchbot/__init__.py#L150
@@ -308,7 +310,7 @@ class _CurtainMotor(_MQTTControlledActor):
         )
 
     def _update_position(self, mqtt_client: paho.mqtt.client.Client) -> None:
-        log_queue = queue.Queue(maxsize=0)  # type: queue.Queue[logging.LogRecord]
+        log_queue: queue.Queue[logging.LogRecord] = queue.Queue(maxsize=0)
         logging.getLogger("switchbot").addHandler(_QueueLogHandler(log_queue))
         try:
             self._device.update()
@@ -317,7 +319,7 @@ class _CurtainMotor(_MQTTControlledActor):
             while not log_queue.empty():
                 log_record = log_queue.get()
                 if log_record.exc_info:
-                    exc = log_record.exc_info[1]  # type: typing.Optional[BaseException]
+                    exc: typing.Optional[BaseException] = log_record.exc_info[1]
                     if (
                         isinstance(exc, bluepy.btle.BTLEManagementError)
                         and exc.emsg == "Permission Denied"
@@ -330,23 +332,18 @@ class _CurtainMotor(_MQTTControlledActor):
             ):
                 raise PermissionError(
                     "bluepy-helper failed to enable low energy mode"
-                    + " due to insufficient permissions."
-                    + "\nSee {}, {}, and {}.".format(
-                        "https://github.com/IanHarvey/bluepy/issues/313#issuecomment-428324639",
-                        "https://github.com/fphammerle/switchbot-mqtt/pull/31"
-                        + "#issuecomment-846383603",
-                        "https://github.com/IanHarvey/bluepy/blob/v/1.3.0/bluepy/bluepy-helper.c"
-                        + "#L1260",
-                    )
-                    + "\nInsecure workaround:"
-                    + "\n1. sudo apt-get install --no-install-recommends libcap2-bin"
-                    + "\n2. sudo setcap cap_net_admin+ep {}".format(
-                        shlex.quote(bluepy.btle.helperExe)
-                    )
-                    + "\n3. restart switchbot-mqtt"
-                    + "\nIn docker-based setups, you could use"
-                    + " `sudo docker run --cap-drop ALL --cap-add NET_ADMIN --user 0 …`"
-                    + " (seriously insecure)."
+                    " due to insufficient permissions."
+                    "\nSee https://github.com/IanHarvey/bluepy/issues/313#issuecomment-428324639"
+                    ", https://github.com/fphammerle/switchbot-mqtt/pull/31#issuecomment-846383603"
+                    ", and https://github.com/IanHarvey/bluepy/blob/v/1.3.0/bluepy"
+                    "/bluepy-helper.c#L1260."
+                    "\nInsecure workaround:"
+                    "\n1. sudo apt-get install --no-install-recommends libcap2-bin"
+                    f"\n2. sudo setcap cap_net_admin+ep {shlex.quote(bluepy.btle.helperExe)}"
+                    "\n3. restart switchbot-mqtt"
+                    "\nIn docker-based setups, you could use"
+                    " `sudo docker run --cap-drop ALL --cap-add NET_ADMIN --user 0 …`"
+                    " (seriously insecure)."
                 ) from exc
             raise
         self._report_position(mqtt_client=mqtt_client)
@@ -407,6 +404,7 @@ def _mqtt_on_connect(
 
 
 def _run(
+    *,
     mqtt_host: str,
     mqtt_port: int,
     mqtt_username: typing.Optional[str],
@@ -475,9 +473,9 @@ def _main() -> None:
     argparser.add_argument(
         "--fetch-device-info",  # generic name to cover future addition of battery level etc.
         action="store_true",
-        help="Report curtain motors' position on topic {} after sending stop command.".format(
-            _CurtainMotor.get_mqtt_position_topic(mac_address="MAC_ADDRESS")
-        ),
+        help="Report curtain motors' position on"
+        f" topic {_CurtainMotor.get_mqtt_position_topic(mac_address='MAC_ADDRESS')}"
+        " after sending stop command.",
     )
     args = argparser.parse_args()
     if args.mqtt_password_path:

tests/test_mqtt.py

@@ -83,12 +83,12 @@ def test__run(
         (
             "switchbot_mqtt",
             logging.INFO,
-            "connecting to MQTT broker {}:{}".format(mqtt_host, mqtt_port),
+            f"connecting to MQTT broker {mqtt_host}:{mqtt_port}",
         ),
         (
             "switchbot_mqtt",
             logging.DEBUG,
-            "connected to MQTT broker {}:{}".format(mqtt_host, mqtt_port),
+            f"connected to MQTT broker {mqtt_host}:{mqtt_port}",
         ),
         (
             "switchbot_mqtt",
@@ -253,7 +253,7 @@ def test__mqtt_command_callback(
         (
             "switchbot_mqtt",
             logging.DEBUG,
-            "received topic={} payload={!r}".format(topic.decode(), payload),
+            f"received topic={topic.decode()} payload={payload!r}",
         )
     ]
 
@@ -334,12 +334,12 @@ def test__mqtt_command_callback_unexpected_topic(caplog, topic: bytes, payload:
         (
             "switchbot_mqtt",
             logging.DEBUG,
-            "received topic={} payload={!r}".format(topic.decode(), payload),
+            f"received topic={topic.decode()} payload={payload!r}",
         ),
         (
             "switchbot_mqtt",
             logging.WARNING,
-            "unexpected topic {}".format(topic.decode()),
+            f"unexpected topic {topic.decode()}",
         ),
     ]
 
@@ -351,7 +351,7 @@ def test__mqtt_command_callback_invalid_mac_address(
     ActorMock = _mock_actor_class(
         switchbot_mqtt._ButtonAutomator.MQTT_COMMAND_TOPIC_LEVELS
     )
-    topic = "homeassistant/switch/switchbot/{}/set".format(mac_address).encode()
+    topic = f"homeassistant/switch/switchbot/{mac_address}/set".encode()
     message = MQTTMessage(topic=topic)
     message.payload = payload
     with unittest.mock.patch.object(
@@ -374,12 +374,12 @@ def test__mqtt_command_callback_invalid_mac_address(
         (
             "switchbot_mqtt",
             logging.DEBUG,
-            "received topic={} payload={!r}".format(topic.decode(), payload),
+            f"received topic={topic.decode()} payload={payload!r}",
         ),
         (
             "switchbot_mqtt",
             logging.WARNING,
-            "invalid mac address {}".format(mac_address),
+            f"invalid mac address {mac_address}",
         ),
     ]
 
@@ -415,7 +415,7 @@ def test__mqtt_command_callback_ignore_retained(caplog, topic: bytes, payload: b
         (
             "switchbot_mqtt",
             logging.DEBUG,
-            "received topic={} payload={!r}".format(topic.decode(), payload),
+            f"received topic={topic.decode()} payload={payload!r}",
         ),
         ("switchbot_mqtt", logging.INFO, "ignoring retained message"),
     ]
@@ -475,7 +475,7 @@ def test__report_state(
     assert caplog.record_tuples[0] == (
         "switchbot_mqtt",
         logging.DEBUG,
-        "publishing topic={} payload={!r}".format(expected_topic, state),
+        f"publishing topic={expected_topic} payload={state!r}",
     )
     if return_code == MQTT_ERR_SUCCESS:
         assert not caplog.records[1:]
@@ -484,8 +484,6 @@ def test__report_state(
             (
                 "switchbot_mqtt",
                 logging.ERROR,
-                "Failed to publish MQTT message on topic {} (rc={})".format(
-                    expected_topic, return_code
-                ),
+                f"Failed to publish MQTT message on topic {expected_topic} (rc={return_code})",
             )
         ]

tests/test_switchbot_button_automator.py

@@ -77,9 +77,7 @@ def test_execute_command(
             (
                 "switchbot_mqtt",
                 logging.INFO,
-                "switchbot {} turned {}".format(
-                    mac_address, message_payload.decode().lower()
-                ),
+                f"switchbot {mac_address} turned {message_payload.decode().lower()}",
             )
         ]
         report_mock.assert_called_once_with(
@@ -90,9 +88,7 @@ def test_execute_command(
             (
                 "switchbot_mqtt",
                 logging.ERROR,
-                "failed to turn {} switchbot {}".format(
-                    message_payload.decode().lower(), mac_address
-                ),
+                f"failed to turn {message_payload.decode().lower()} switchbot {mac_address}",
             )
         ]
         report_mock.assert_not_called()
@@ -120,7 +116,7 @@ def test_execute_command_invalid_payload(caplog, mac_address, message_payload):
         (
             "switchbot_mqtt",
             logging.WARNING,
-            "unexpected payload {!r} (expected 'ON' or 'OFF')".format(message_payload),
+            f"unexpected payload {message_payload!r} (expected 'ON' or 'OFF')",
         )
     ]
 
@@ -137,7 +133,7 @@ def test_execute_command_bluetooth_error(caplog, mac_address, message_payload):
     with unittest.mock.patch(
         "bluepy.btle.Peripheral",
         side_effect=bluepy.btle.BTLEDisconnectError(
-            "Failed to connect to peripheral {}, addr type: random".format(mac_address)
+            f"Failed to connect to peripheral {mac_address}, addr type: random"
         ),
     ), caplog.at_level(logging.ERROR):
         switchbot_mqtt._ButtonAutomator(
@@ -156,8 +152,6 @@ def test_execute_command_bluetooth_error(caplog, mac_address, message_payload):
         (
             "switchbot_mqtt",
             logging.ERROR,
-            "failed to turn {} switchbot {}".format(
-                message_payload.decode().lower(), mac_address
-            ),
+            f"failed to turn {message_payload.decode().lower()} switchbot {mac_address}",
         ),
     ]

tests/test_switchbot_curtain_motor.py

@@ -30,9 +30,10 @@ import switchbot_mqtt
 
 @pytest.mark.parametrize("mac_address", ["{MAC_ADDRESS}", "aa:bb:cc:dd:ee:ff"])
 def test_get_mqtt_position_topic(mac_address):
-    assert switchbot_mqtt._CurtainMotor.get_mqtt_position_topic(
-        mac_address=mac_address
-    ) == "homeassistant/cover/switchbot-curtain/{}/position".format(mac_address)
+    assert (
+        switchbot_mqtt._CurtainMotor.get_mqtt_position_topic(mac_address=mac_address)
+        == f"homeassistant/cover/switchbot-curtain/{mac_address}/position"
+    )
 
 
 @pytest.mark.parametrize(
@@ -168,16 +169,14 @@ def test_execute_command(
     )
     action_mock.assert_called_once_with()
     if command_successful:
+        state_str = {b"open": "opening", b"close": "closing", b"stop": "stopped"}[
+            message_payload.lower()
+        ]
         assert caplog.record_tuples == [
             (
                 "switchbot_mqtt",
                 logging.INFO,
-                "switchbot curtain {} {}".format(
-                    mac_address,
-                    {b"open": "opening", b"close": "closing", b"stop": "stopped"}[
-                        message_payload.lower()
-                    ],
-                ),
+                f"switchbot curtain {mac_address} {state_str}",
             )
         ]
         report_mock.assert_called_once_with(
@@ -192,9 +191,7 @@ def test_execute_command(
             (
                 "switchbot_mqtt",
                 logging.ERROR,
-                "failed to {} switchbot curtain {}".format(
-                    message_payload.decode().lower(), mac_address
-                ),
+                f"failed to {message_payload.decode().lower()} switchbot curtain {mac_address}",
             )
         ]
         report_mock.assert_not_called()
@@ -235,9 +232,7 @@ def test_execute_command_invalid_payload(
         (
             "switchbot_mqtt",
             logging.WARNING,
-            "unexpected payload {!r} (expected 'OPEN', 'CLOSE', or 'STOP')".format(
-                message_payload
-            ),
+            f"unexpected payload {message_payload!r} (expected 'OPEN', 'CLOSE', or 'STOP')",
         )
     ]
 
@@ -254,7 +249,7 @@ def test_execute_command_bluetooth_error(caplog, mac_address, message_payload):
     with unittest.mock.patch(
         "bluepy.btle.Peripheral",
         side_effect=bluepy.btle.BTLEDisconnectError(
-            "Failed to connect to peripheral {}, addr type: random".format(mac_address)
+            f"Failed to connect to peripheral {mac_address}, addr type: random"
         ),
     ), caplog.at_level(logging.ERROR):
         switchbot_mqtt._CurtainMotor(
@@ -273,8 +268,6 @@ def test_execute_command_bluetooth_error(caplog, mac_address, message_payload):
         (
             "switchbot_mqtt",
             logging.ERROR,
-            "failed to {} switchbot curtain {}".format(
-                message_payload.decode().lower(), mac_address
-            ),
+            f"failed to {message_payload.decode().lower()} switchbot curtain {mac_address}",
         ),
     ]