Checklist for Creating a Component

A checklist of things to do when you’re adding a new component.

Requirements

1. Requirement version pinned: REQUIREMENTS = ['phue==0.8.1']
2. If requirement hosted on GitHub:
   • Point at a zip archive of a release tag or commit SHA.
   • Add version found in zip-archive as hash to url.

REQUIREMENTS = [
    'http://github.com/technicalpickles/python-nest'
    '/archive/e6c9d56a8df455d4d7746389811f2c1387e8cb33.zip'
    '#python-nest==3.0.3']

Configuration

1. Voluptuous schema present for config validation
2. Default parameters specified in voluptuous schema, not in setup_platform(…)
3. Schema using as many generic config keys as possible from homeassistant.const
4. If having platforms, have a PLATFORM_SCHEMA, otherwise CONFIG_SCHEMA.
5. If PLATFORM_SCHEMA, import base from homeassistant.helpers.config_validation

Component/platform communication

1. If you need to share global data with platforms, use the dictionary hass.data.
2. If the component fetches data that causes related platform entities to update,