Add the integration

.devcontainer.json

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+{
+    "name": "ludeeus/integration_blueprint",
+    "image": "mcr.microsoft.com/devcontainers/python:3.11-bullseye",
+    "postCreateCommand": "scripts/setup",
+    "forwardPorts": [
+        8123
+    ],
+    "portsAttributes": {
+        "8123": {
+            "label": "Home Assistant",
+            "onAutoForward": "notify"
+        }
+    },
+    "customizations": {
+        "vscode": {
+            "extensions": [
+                "ms-python.python",
+                "github.vscode-pull-request-github",
+                "ryanluker.vscode-coverage-gutters",
+                "ms-python.vscode-pylance"
+            ],
+            "settings": {
+                "files.eol": "\n",
+                "editor.tabSize": 4,
+                "python.pythonPath": "/usr/bin/python3",
+                "python.analysis.autoSearchPaths": false,
+                "python.linting.pylintEnabled": true,
+                "python.linting.enabled": true,
+                "python.formatting.provider": "black",
+                "python.formatting.blackPath": "/usr/local/py-utils/bin/black",
+                "editor.formatOnPaste": false,
+                "editor.formatOnSave": true,
+                "editor.formatOnType": true,
+                "files.trimTrailingWhitespace": true
+            }
+        }
+    },
+    "remoteUser": "vscode",
+    "features": {
+        "ghcr.io/devcontainers/features/rust:1": {}
+    }
+}

.gitattributes

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+* text=auto eol=lf

.github/ISSUE_TEMPLATE/bug.yml

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+---
+name: "Bug report"
+description: "Report a bug with the integration"
+labels: "Bug"
+body:
+- type: markdown
+  attributes:
+    value: Before you open a new issue, search through the existing issues to see if others have had the same problem.
+- type: textarea
+  attributes:
+    label: "System Health details"
+    description: "Paste the data from the System Health card in Home Assistant (https://www.home-assistant.io/more-info/system-health#github-issues)"
+  validations:
+    required: true
+- type: checkboxes
+  attributes:
+    label: Checklist
+    options:
+      - label: I have enabled debug logging for my installation.
+        required: true
+      - label: I have filled out the issue template to the best of my ability.
+        required: true
+      - label: This issue only contains 1 issue (if you have multiple issues, open one issue for each issue).
+        required: true
+      - label: This issue is not a duplicate issue of any [previous issues](https://github.com/deler-aziz/fuel_prices_sweden/issues?q=is%3Aissue+label%3A%22Bug%22+)..
+        required: true
+- type: textarea
+  attributes:
+    label: "Describe the issue"
+    description: "A clear and concise description of what the issue is."
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: Reproduction steps
+    description: "Without steps to reproduce, it will be hard to fix. It is very important that you fill out this part. Issues without it will be closed."
+    value: |
+      1.
+      2.
+      3.
+      ...
+  validations:
+    required: true
+- type: textarea
+  attributes:
+    label: "Debug logs"
+    description: "To enable debug logs check this https://www.home-assistant.io/integrations/logger/, this **needs** to include _everything_ from startup of Home Assistant to the point where you encounter the issue."
+    render: text
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: "Diagnostics dump"
+    description: "Drag the diagnostics dump file here. (see https://www.home-assistant.io/integrations/diagnostics/ for info)"

.github/ISSUE_TEMPLATE/config.yml

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+blank_issues_enabled: false

.github/ISSUE_TEMPLATE/feature_request.yml

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+---
+name: "Feature request"
+description: "Suggest an idea for this project"
+labels: "Feature+Request"
+body:
+- type: markdown
+  attributes:
+    value: Before you open a new feature request, search through the existing feature requests to see if others have had the same idea.
+- type: checkboxes
+  attributes:
+    label: Checklist
+    options:
+      - label: I have filled out the template to the best of my ability.
+        required: true
+      - label: This only contains 1 feature request (if you have multiple feature requests, open one feature request for each feature request).
+        required: true
+      - label: This issue is not a duplicate feature request of [previous feature requests](https://github.com/deler-aziz/fuel_prices_sweden/issues?q=is%3Aissue+label%3A%22Feature+Request%22+).
+        required: true
+
+- type: textarea
+  attributes:
+    label: "Is your feature request related to a problem? Please describe."
+    description: "A clear and concise description of what the problem is."
+    placeholder: "I'm always frustrated when [...]"
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: "Describe the solution you'd like"
+    description: "A clear and concise description of what you want to happen."
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: "Describe alternatives you've considered"
+    description: "A clear and concise description of any alternative solutions or features you've considered."
+  validations:
+    required: true
+
+- type: textarea
+  attributes:
+    label: "Additional context"
+    description: "Add any other context or screenshots about the feature request here."
+  validations:
+    required: true

.github/dependabot.yml

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+# https://docs.github.com/en/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    ignore:
+      # Dependabot should not update Home Assistant as that should match the homeassistant key in hacs.json
+      - dependency-name: "homeassistant"

.github/workflows/lint.yml

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+name: "Lint"
+
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+    branches:
+      - "main"
+
+jobs:
+  ruff:
+    name: "Ruff"
+    runs-on: "ubuntu-latest"
+    steps:
+        - name: "Checkout the repository"
+          uses: "actions/checkout@v4.1.0"
+
+        - name: "Set up Python"
+          uses: actions/setup-python@v4.7.1
+          with:
+            python-version: "3.11"
+            cache: "pip"
+
+        - name: "Install requirements"
+          run: python3 -m pip install -r requirements.txt
+
+        - name: "Run"
+          run: python3 -m ruff check .

.github/workflows/release.yml

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+name: "Release"
+
+on:
+  release:
+    types:
+      - "published"
+
+permissions: {}
+
+jobs:
+  release:
+    name: "Release"
+    runs-on: "ubuntu-latest"
+    permissions:
+      contents: write
+    steps:
+      - name: "Checkout the repository"
+        uses: "actions/checkout@v4.1.0"
+
+      - name: "Adjust version number"
+        shell: "bash"
+        run: |
+          yq -i -o json '.version="${{ github.event.release.tag_name }}"' \
+            "${{ github.workspace }}/custom_components/fuel_prices_sweden/manifest.json"
+
+      - name: "ZIP the integration directory"
+        shell: "bash"
+        run: |
+          cd "${{ github.workspace }}/custom_components/fuel_prices_sweden"
+          zip fuel_prices_sweden.zip -r ./
+
+      - name: "Upload the ZIP file to the release"
+        uses: softprops/action-gh-release@v0.1.15
+        with:
+          files: ${{ github.workspace }}/custom_components/fuel_prices_sweden/fuel_prices_sweden.zip

.github/workflows/validate.yml

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+name: "Validate"
+
+on:
+  workflow_dispatch:
+  schedule:
+    - cron:  "0 0 * * *"
+  push:
+    branches:
+      - "main"
+  pull_request:
+    branches:
+      - "main"
+
+jobs:
+  hassfest: # https://developers.home-assistant.io/blog/2020/04/16/hassfest
+    name: "Hassfest Validation"
+    runs-on: "ubuntu-latest"
+    steps:
+        - name: "Checkout the repository"
+          uses: "actions/checkout@v4.1.0"
+
+        - name: "Run hassfest validation"
+          uses: "home-assistant/actions/hassfest@master"
+
+  hacs: # https://github.com/hacs/action
+    name: "HACS Validation"
+    runs-on: "ubuntu-latest"
+    steps:
+        - name: "Checkout the repository"
+          uses: "actions/checkout@v4.1.0"
+
+        - name: "Run HACS validation"
+          uses: "hacs/action@main"
+          with:
+            category: "integration"
+            # Remove this 'ignore' key when you have added brand images for your integration to https://github.com/home-assistant/brands
+            ignore: "brands"

.gitignore

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+# artifacts
+__pycache__
+.pytest*
+*.egg-info
+*/build/*
+*/dist/*
+
+
+# misc
+.coverage
+.vscode
+coverage.xml
+
+
+# Home Assistant configuration
+config/*
+!config/configuration.yaml
+
+# Other
+.DS_Store

.ruff.toml

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+# The contents of this file is based on https://github.com/home-assistant/core/blob/dev/pyproject.toml
+
+target-version = "py310"
+
+select = [
+    "B007", # Loop control variable {name} not used within loop body
+    "B014", # Exception handler with duplicate exception
+    "C",  # complexity
+    "D",  # docstrings
+    "E",  # pycodestyle
+    "F",  # pyflakes/autoflake
+    "ICN001", # import concentions; {name} should be imported as {asname}
+    "PGH004",  # Use specific rule codes when using noqa
+    "PLC0414", # Useless import alias. Import alias does not rename original package.
+    "SIM105", # Use contextlib.suppress({exception}) instead of try-except-pass
+    "SIM117", # Merge with-statements that use the same scope
+    "SIM118", # Use {key} in {dict} instead of {key} in {dict}.keys()
+    "SIM201", # Use {left} != {right} instead of not {left} == {right}
+    "SIM212", # Use {a} if {a} else {b} instead of {b} if not {a} else {a}
+    "SIM300", # Yoda conditions. Use 'age == 42' instead of '42 == age'.
+    "SIM401", # Use get from dict with default instead of an if block
+    "T20",  # flake8-print
+    "TRY004", # Prefer TypeError exception for invalid type
+    "RUF006", # Store a reference to the return value of asyncio.create_task
+    "UP",  # pyupgrade
+    "W",  # pycodestyle
+]
+
+ignore = [
+    "D202",  # No blank lines allowed after function docstring
+    "D203",  # 1 blank line required before class docstring
+    "D213",  # Multi-line docstring summary should start at the second line
+    "D404",  # First word of the docstring should not be This
+    "D406",  # Section name should end with a newline
+    "D407",  # Section name underlining
+    "D411",  # Missing blank line before section
+    "E501",  # line too long
+    "E731",  # do not assign a lambda expression, use a def
+]
+
+[flake8-pytest-style]
+fixture-parentheses = false
+
+[pyupgrade]
+keep-runtime-typing = true
+
+[mccabe]
+max-complexity = 25