ci: migrate from black to ruff

.editorconfig

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+# Root editor config file
+root = true
+
+# Common settings
+[*]
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+charset = utf-8
+
+# python, js indentation settings
+[{*.py,*.js,*.vue,*.css,*.scss,*.html}]
+indent_style = tab
+indent_size = 4
+max_line_length = 99
+
+# JSON files - mostly doctype schema files
+[{*.json}]
+insert_final_newline = false
+indent_style = space
+indent_size = 1

.eslintrc

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+{
+	"env": {
+		"browser": true,
+		"node": true,
+		"es2022": true
+	},
+	"parserOptions": {
+		"sourceType": "module"
+	},
+	"extends": "eslint:recommended",
+	"rules": {
+		"indent": "off",
+		"brace-style": "off",
+		"no-mixed-spaces-and-tabs": "off",
+		"no-useless-escape": "off",
+		"space-unary-ops": ["error", { "words": true }],
+		"linebreak-style": "off",
+		"quotes": ["off"],
+		"semi": "off",
+		"camelcase": "off",
+		"no-unused-vars": "off",
+		"no-console": ["warn"],
+		"no-extra-boolean-cast": ["off"],
+		"no-control-regex": ["off"],
+	},
+	"root": true,
+	"globals": {
+		"frappe": true,
+		"Vue": true,
+		"SetVueGlobals": true,
+		"__": true,
+		"repl": true,
+		"Class": true,
+		"locals": true,
+		"cint": true,
+		"cstr": true,
+		"cur_frm": true,
+		"cur_dialog": true,
+		"cur_page": true,
+		"cur_list": true,
+		"cur_tree": true,
+		"msg_dialog": true,
+		"is_null": true,
+		"in_list": true,
+		"has_common": true,
+		"posthog": true,
+		"has_words": true,
+		"validate_email": true,
+		"open_web_template_values_editor": true,
+		"validate_name": true,
+		"validate_phone": true,
+		"validate_url": true,
+		"get_number_format": true,
+		"format_number": true,
+		"format_currency": true,
+		"comment_when": true,
+		"open_url_post": true,
+		"toTitle": true,
+		"lstrip": true,
+		"rstrip": true,
+		"strip": true,
+		"strip_html": true,
+		"replace_all": true,
+		"flt": true,
+		"precision": true,
+		"CREATE": true,
+		"AMEND": true,
+		"CANCEL": true,
+		"copy_dict": true,
+		"get_number_format_info": true,
+		"strip_number_groups": true,
+		"print_table": true,
+		"Layout": true,
+		"web_form_settings": true,
+		"$c": true,
+		"$a": true,
+		"$i": true,
+		"$bg": true,
+		"$y": true,
+		"$c_obj": true,
+		"refresh_many": true,
+		"refresh_field": true,
+		"toggle_field": true,
+		"get_field_obj": true,
+		"get_query_params": true,
+		"unhide_field": true,
+		"hide_field": true,
+		"set_field_options": true,
+		"getCookie": true,
+		"getCookies": true,
+		"get_url_arg": true,
+		"md5": true,
+		"$": true,
+		"jQuery": true,
+		"moment": true,
+		"hljs": true,
+		"Awesomplete": true,
+		"Sortable": true,
+		"Showdown": true,
+		"Taggle": true,
+		"Gantt": true,
+		"Slick": true,
+		"Webcam": true,
+		"PhotoSwipe": true,
+		"PhotoSwipeUI_Default": true,
+		"io": true,
+		"JsBarcode": true,
+		"L": true,
+		"Chart": true,
+		"DataTable": true,
+		"Cypress": true,
+		"cy": true,
+		"it": true,
+		"describe": true,
+		"expect": true,
+		"context": true,
+		"before": true,
+		"beforeEach": true,
+		"after": true,
+		"qz": true,
+		"localforage": true,
+		"extend_cscript": true
+	}
+}

.github/workflows/ci.yml

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+
+name: CI
+
+on:
+  push:
+    branches:
+      - develop
+  pull_request:
+
+concurrency:
+  group: develop-mail-${{ github.event.number }}
+  cancel-in-progress: true
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    name: Server
+
+    services:
+      redis-cache:
+        image: redis:alpine
+        ports:
+          - 13000:6379
+      redis-queue:
+        image: redis:alpine
+        ports:
+          - 11000:6379
+      mariadb:
+        image: mariadb:10.6
+        env:
+          MYSQL_ROOT_PASSWORD: root
+        ports:
+          - 3306:3306
+        options: --health-cmd="mariadb-admin ping" --health-interval=5s --health-timeout=2s --health-retries=3
+
+    steps:
+      - name: Clone
+        uses: actions/checkout@v3
+
+      - name: Find tests
+        run: |
+          echo "Finding tests"
+          grep -rn "def test" > /dev/null
+
+      - name: Setup Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: 18
+          check-latest: true
+
+      - name: Cache pip
+        uses: actions/cache@v2
+        with:
+          path: ~/.cache/pip
+          key: ${{ runner.os }}-pip-${{ hashFiles('**/*requirements.txt', '**/pyproject.toml', '**/setup.py', '**/setup.cfg') }}
+          restore-keys: |
+            ${{ runner.os }}-pip-
+            ${{ runner.os }}-
+
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: 'echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT'
+
+      - uses: actions/cache@v3
+        id: yarn-cache
+        with:
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-yarn-
+
+      - name: Install MariaDB Client
+        run: |
+          sudo apt update
+          sudo apt-get install mariadb-client-10.6
+
+      - name: Setup
+        run: |
+          pip install frappe-bench
+          bench init --skip-redis-config-generation --skip-assets --python "$(which python)" ~/frappe-bench
+          mariadb --host 127.0.0.1 --port 3306 -u root -proot -e "SET GLOBAL character_set_server = 'utf8mb4'"
+          mariadb --host 127.0.0.1 --port 3306 -u root -proot -e "SET GLOBAL collation_server = 'utf8mb4_unicode_ci'"
+
+      - name: Install
+        working-directory: /home/runner/frappe-bench
+        run: |
+          bench get-app mail $GITHUB_WORKSPACE
+          bench setup requirements --dev
+          bench new-site --db-root-password root --admin-password admin test_site
+          bench --site test_site install-app mail
+          bench build
+        env:
+          CI: 'Yes'
+
+      - name: Run Tests
+        working-directory: /home/runner/frappe-bench
+        run: |
+          bench --site test_site set-config allow_tests true
+          bench --site test_site run-tests --app mail
+        env:
+          TYPE: server