Add integration

.github/dependabot.yml

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+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: daily
+    open-pull-requests-limit: 10
+  - package-ecosystem: "pip"
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"
+    open-pull-requests-limit: 10

.github/release-drafter.yml

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+change-template: "- #$NUMBER - $TITLE (@$AUTHOR)"
+categories:
+  - title: "⚠ Breaking Changes"
+    labels:
+      - "breaking-change"
+  - title: "⬆️ Dependencies"
+    collapse-after: 1
+    labels:
+      - "dependencies"
+template: |
+  ## What’s Changed
+
+  $CHANGES

.github/workflows/hacs.yml

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+name: HACS Action
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  hacs:
+    name: HACS Action
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/[email protected]"
+      - name: HACS Action
+        uses: "hacs/action@main"
+        with:
+          category: "integration"

.github/workflows/hassfest.yml

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+name: Validate with hassfest
+
+on:
+  push:
+  pull_request:
+  schedule:
+    - cron: "0 0 * * *"
+
+jobs:
+  validate:
+    runs-on: "ubuntu-latest"
+    steps:
+      - uses: "actions/[email protected]"
+      - uses: "home-assistant/actions/hassfest@master"

.github/workflows/release-drafter.yml

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+name: Release Drafter
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  update_release_draft:
+    runs-on: ubuntu-latest
+    steps:
+      # Drafts your next Release notes as Pull Requests are merged into "main"
+      - uses: release-drafter/release-drafter@v5
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/test.yml

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+# This workflow will install Python dependencies, run tests and lint
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: Test
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+          - "3.9"
+          - "3.10"
+
+    steps:
+      - uses: actions/[email protected]
+        with:
+          fetch-depth: 2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/[email protected]
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements_lint.txt
+      - name: Lint
+        run: pre-commit run

.gitignore

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+# Hide sublime text stuff
+*.sublime-project
+*.sublime-workspace
+
+# Hide some OS X stuff
+.DS_Store
+.AppleDouble
+.LSOverride
+Icon
+
+# Thumbnails
+._*
+
+# IntelliJ IDEA
+.idea
+*.iml
+
+# pytest
+.pytest_cache
+.cache
+
+# GITHUB Proposed Python stuff:
+*.py[cod]
+
+# C extensions
+*.so
+
+# Packages
+*.egg
+*.egg-info
+dist
+build
+eggs
+.eggs
+parts
+bin
+var
+sdist
+develop-eggs
+.installed.cfg
+lib
+lib64
+pip-wheel-metadata
+
+# Logs
+*.log
+pip-log.txt
+
+# Unit test / coverage reports
+.coverage
+.tox
+coverage.xml
+nosetests.xml
+htmlcov/
+test-reports/
+test-results.xml
+test-output.xml
+
+# Translations
+*.mo
+
+# Mr Developer
+.mr.developer.cfg
+.project
+.pydevproject
+
+.python-version
+
+# emacs auto backups
+*~
+*#
+*.orig
+
+# venv stuff
+pyvenv.cfg
+pip-selfcheck.json
+venv
+.venv
+Pipfile*
+share/*
+Scripts/
+
+# vimmy stuff
+*.swp
+*.swo
+tags
+ctags.tmp
+
+# vagrant stuff
+virtualization/vagrant/setup_done
+virtualization/vagrant/.vagrant
+virtualization/vagrant/config
+
+# Visual Studio Code
+.vscode/*
+!.vscode/cSpell.json
+!.vscode/extensions.json
+!.vscode/tasks.json
+
+# Typing
+.mypy_cache

.pre-commit-config.yaml

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+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.1.0
+    hooks:
+      - id: trailing-whitespace
+      - id: end-of-file-fixer
+      - id: check-docstring-first
+      - id: check-yaml
+      - id: debug-statements
+  - repo: https://gitlab.com/pycqa/flake8
+    rev: 4.0.1
+    hooks:
+      - id: flake8
+        args:
+          - --max-line-length=500
+          - --ignore=E203,E266,E501,W503
+          - --max-complexity=18
+          - --select=B,C,E,F,W,T4,B9
+  - repo: https://github.com/ambv/black
+    rev: 22.3.0
+    hooks:
+      - id: black
+        language_version: python3
+  - repo: https://github.com/asottile/pyupgrade
+    rev: v2.31.0
+    hooks:
+      - id: pyupgrade
+        args: ["--py39-plus"]
+  - repo: https://github.com/pre-commit/mirrors-isort
+    rev: v5.10.1
+    hooks:
+      - id: isort
+        args:
+          - --multi-line=3
+          - --trailing-comma
+          - --force-grid-wrap=0
+          - --use-parentheses
+          - --line-width=88
+          - -p=homeassistant
+          - --force-sort-within-sections
+  - repo: https://github.com/PyCQA/pydocstyle
+    rev: 6.1.1
+    hooks:
+      - id: pydocstyle
+  - repo: https://github.com/pre-commit/mirrors-mypy
+    rev: "v0.960"
+    hooks:
+      - id: mypy
+        additional_dependencies: [homeassistant==2022.5.5]

custom_components/onewire_sysbus/__init__.py

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+"""The 1-Wire SysBus component."""
+
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant
+
+from .const import DOMAIN, PLATFORMS
+from .onewirehub import OneWireHub
+
+
+async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
+    """Set up a 1-Wire hub for a config entry."""
+    hass.data.setdefault(DOMAIN, {})
+
+    onewirehub = OneWireHub(hass)
+    await onewirehub.initialize(entry)
+
+    hass.data[DOMAIN][entry.entry_id] = onewirehub
+
+    hass.config_entries.async_setup_platforms(entry, PLATFORMS)
+
+    return True
+
+
+async def async_unload_entry(hass: HomeAssistant, config_entry: ConfigEntry) -> bool:
+    """Unload a config entry."""
+    if unload_ok := await hass.config_entries.async_unload_platforms(
+        config_entry, PLATFORMS
+    ):
+        hass.data[DOMAIN].pop(config_entry.entry_id)
+
+    return unload_ok

custom_components/onewire_sysbus/config_flow.py

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+"""Config flow for 1-Wire SysBus component."""
+from __future__ import annotations
+
+from typing import Any
+
+import voluptuous as vol
+
+from homeassistant.config_entries import ConfigFlow
+from homeassistant.core import HomeAssistant
+from homeassistant.data_entry_flow import FlowResult
+
+from .const import CONF_MOUNT_DIR, DEFAULT_SYSBUS_MOUNT_DIR, DOMAIN
+from .onewirehub import InvalidPath, OneWireHub
+
+DATA_SCHEMA = vol.Schema(
+    {
+        vol.Required(CONF_MOUNT_DIR, default=DEFAULT_SYSBUS_MOUNT_DIR): str,
+    }
+)
+
+
+async def validate_input_mount_dir(
+    hass: HomeAssistant, data: dict[str, Any]
+) -> dict[str, str]:
+    """Validate the user input allows us to connect."""
+    hub = OneWireHub(hass)
+    mount_dir = data[CONF_MOUNT_DIR]
+
+    # Raises InvalidDir exception on failure
+    await hub.check_mount_dir(mount_dir)
+
+    return {"title": mount_dir}
+
+
+class OneWireFlowHandler(ConfigFlow, domain=DOMAIN):  # type: ignore
+    """Handle 1-Wire config flow."""
+
+    VERSION = 1
+
+    def __init__(self) -> None:
+        """Initialize 1-Wire config flow."""
+
+    async def async_step_user(
+        self, user_input: dict[str, Any] | None = None
+    ) -> FlowResult:
+        """Handle 1-Wire config flow start."""
+        errors: dict[str, str] = {}
+        if user_input is not None:
+            # Prevent duplicate entries
+            await self.async_set_unique_id(user_input[CONF_MOUNT_DIR])
+            self._abort_if_unique_id_configured()
+
+            try:
+                info = await validate_input_mount_dir(self.hass, user_input)
+            except InvalidPath:
+                errors["base"] = "invalid_path"
+            else:
+                return self.async_create_entry(title=info["title"], data=user_input)
+
+        return self.async_show_form(
+            step_id="user",
+            data_schema=DATA_SCHEMA,
+            errors=errors,
+        )

custom_components/onewire_sysbus/const.py

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+"""Constants for 1-Wire component."""
+from __future__ import annotations
+
+from homeassistant.const import Platform
+
+CONF_MOUNT_DIR = "mount_dir"
+DEFAULT_SYSBUS_MOUNT_DIR = "/sys/bus/w1/devices/"
+
+DOMAIN = "onewire_sysbus"
+
+DEVICE_SUPPORT_SYSBUS = ["10", "22", "28", "3B", "42"]
+
+MANUFACTURER_MAXIM = "Maxim Integrated"
+MANUFACTURER_HOBBYBOARDS = "Hobby Boards"
+MANUFACTURER_EDS = "Embedded Data Systems"
+
+READ_MODE_FLOAT = "float"
+
+PLATFORMS = [Platform.SENSOR]