mirror of
https://github.com/home-assistant/core
synced 2024-09-15 17:29:45 +02:00
105 lines
3.0 KiB
Python
105 lines
3.0 KiB
Python
"""
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Exports sensor values via RSS feed.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/rss_feed_template/
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"""
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import asyncio
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from html import escape
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from aiohttp import web
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import voluptuous as vol
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from homeassistant.components.http import HomeAssistantView
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import homeassistant.helpers.config_validation as cv
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CONTENT_TYPE_XML = 'text/xml'
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DEPENDENCIES = ['http']
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DOMAIN = 'rss_feed_template'
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CONFIG_SCHEMA = vol.Schema({
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DOMAIN: vol.Schema({
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cv.match_all: vol.Schema({
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vol.Optional('requires_api_password', default=True): cv.boolean,
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vol.Optional('title'): cv.template,
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vol.Required('items'): vol.All(
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cv.ensure_list,
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[{
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vol.Optional('title'): cv.template,
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vol.Optional('description'): cv.template,
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}]
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)
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})
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})
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}, extra=vol.ALLOW_EXTRA)
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def setup(hass, config):
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"""Set up the RSS feed template component."""
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for (feeduri, feedconfig) in config[DOMAIN].items():
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url = '/api/rss_template/%s' % feeduri
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requires_auth = feedconfig.get('requires_api_password')
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title = feedconfig.get('title')
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if title is not None:
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title.hass = hass
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items = feedconfig.get('items')
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for item in items:
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if 'title' in item:
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item['title'].hass = hass
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if 'description' in item:
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item['description'].hass = hass
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rss_view = RssView(url, requires_auth, title, items)
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hass.http.register_view(rss_view)
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return True
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class RssView(HomeAssistantView):
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"""Export states and other values as RSS."""
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requires_auth = True
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url = None
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name = 'rss_template'
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_title = None
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_items = None
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def __init__(self, url, requires_auth, title, items):
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"""Initialize the rss view."""
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self.url = url
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self.requires_auth = requires_auth
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self._title = title
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self._items = items
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@asyncio.coroutine
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def get(self, request, entity_id=None):
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"""Generate the RSS view XML."""
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response = '<?xml version="1.0" encoding="utf-8"?>\n\n'
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response += '<rss>\n'
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if self._title is not None:
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response += (' <title>%s</title>\n' %
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escape(self._title.async_render()))
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for item in self._items:
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response += ' <item>\n'
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if 'title' in item:
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response += ' <title>'
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response += escape(item['title'].async_render())
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response += '</title>\n'
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if 'description' in item:
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response += ' <description>'
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response += escape(item['description'].async_render())
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response += '</description>\n'
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response += ' </item>\n'
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response += '</rss>\n'
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return web.Response(
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body=response, content_type=CONTENT_TYPE_XML, status=200)
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