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Add note on command template for binary sensor and sensor in command_line #35126

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merged 1 commit into from
Oct 8, 2024

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gjohansson-ST
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@gjohansson-ST gjohansson-ST commented Oct 7, 2024

…line

Proposed change

Add additional note on command field limitation on templating for sensor and binary_sensor in command_line

Type of change

  • Spelling, grammar or other readability improvements (current branch).
  • Adjusted missing or incorrect information in the current documentation (current branch).
  • Added documentation for a new integration I'm adding to Home Assistant (next branch).
  • Added documentation for a new feature I'm adding to Home Assistant (next branch).
  • Removed stale or deprecated documentation.

Additional information

Checklist

  • This PR uses the correct branch, based on one of the following:
    • I made a change to the existing documentation and used the current branch.
    • I made a change that is related to an upcoming version of Home Assistant and used the next branch.
  • The documentation follows the Home Assistant documentation standards.

Summary by CodeRabbit

  • Documentation
    • Clarified usage of templates in the command line integration, specifying that command names must be provided literally.
    • Added new sections and examples for various platforms (binary sensors, covers, notifications, sensors, switches) to enhance configuration guidance.
    • Emphasized the correct context for executing commands, including integration of external scripts.

@home-assistant home-assistant bot added current This PR goes into the current branch Hacktoberfest An PR on this issue (or the PR itself) is eligible towards Hacktoberfest! labels Oct 7, 2024
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coderabbitai bot commented Oct 7, 2024

📝 Walkthrough

Walkthrough

The changes in the pull request focus on enhancing the documentation for the command line integration in Home Assistant. Key modifications include the addition of a note clarifying that the command name must be provided literally and cannot be generated by a template, while arguments can be templated. Minor formatting adjustments were made, alongside the introduction of new sections and YAML examples for various platforms, emphasizing correct context usage and integration with external scripts.

Changes

File Change Summary
source/_integrations/command_line.markdown Added a note regarding template usage in command names; updated formatting, structure, and examples for various platforms.

Sequence Diagram(s)

sequenceDiagram
    participant User
    participant HomeAssistant
    participant CommandLineIntegration

    User->>HomeAssistant: Send command with template
    HomeAssistant->>CommandLineIntegration: Process command
    CommandLineIntegration-->>HomeAssistant: Validate command name
    HomeAssistant-->>User: Return error if command name is not literal
    CommandLineIntegration-->>HomeAssistant: Execute command with arguments
    HomeAssistant-->>User: Return command result
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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (2)
source/_integrations/command_line.markdown (2)

293-297: Approved: Valuable clarification on command templating limitations.

The added note provides crucial information about the limitations of templating in the command field for sensor and binary_sensor platforms. This clarification will help users avoid potential configuration errors.

Consider rephrasing the note slightly for improved clarity:

- While `command` is accepting a template for `sensor` and `binary_sensor`, it's only the arguments that can be a template. This means the command name itself cannot be generated by a template, but it must be literally provided.
+ While the `command` field accepts templates for `sensor` and `binary_sensor` platforms, only the arguments can be templated. The command name itself must be literally provided and cannot be generated by a template.

Line range hint 1-1000: Suggestion: Add a table of contents for improved navigation.

The documentation for the Command line integration is comprehensive and well-structured. To further enhance its usability, consider adding a table of contents at the beginning of the document. This would allow users to quickly navigate to specific sections of interest, especially given the length and depth of the documentation.

Here's a suggested format for the table of contents:

## Table of Contents
- [Configuration](#configuration)
- [Binary sensor](#binary-sensor)
- [Cover](#cover)
- [Notify](#notify)
- [Sensor](#sensor)
- [Switch](#switch)
- [Execution](#execution)
- [Examples](#examples)
  - [Binary sensor examples](#examples-binary-sensor-platform)
  - [Cover examples](#example-cover-platform)
  - [Sensor examples](#examples-sensor-platform)
  - [Switch examples](#example-switch-platform)
- [Actions](#actions)

This addition would improve the overall navigation and user experience of the documentation.

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📥 Commits

Files that changed from the base of the PR and between ff82acc and df9c283.

📒 Files selected for processing (1)
  • source/_integrations/command_line.markdown (1 hunks)
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🔇 Additional comments (1)
source/_integrations/command_line.markdown (1)

Line range hint 1-1000: Summary: Documentation improvements enhance clarity and usability.

The changes to the Command line integration documentation, particularly the addition of the note about command templating limitations, provide valuable clarification for users. The existing content is comprehensive and well-structured, offering numerous examples across different platforms.

To further improve the documentation:

  1. Consider implementing the suggested rephrasing of the new note for enhanced clarity.
  2. Adding a table of contents would significantly improve navigation, especially given the document's length and depth.

Overall, these changes and suggestions will contribute to a better user experience and understanding of the Command line integration.

@ildar170975
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I would change the note - add this sentence like it was done for shell_command:
“only content after the first space can be generated by a template”

Command line may be presented as

echo; {{some template }}

i.e. here the the whole 2nd command is templated, not only attributes.

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Thanks, @gjohansson-ST 🙏

../Frenck

@frenck frenck merged commit 65f1f0f into current Oct 8, 2024
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@frenck frenck deleted the cmdline-note-command-template branch October 8, 2024 04:57
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command_line sensor with templated command: inconsistency (still)
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