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added processing of URL as template #87

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added processing of URL as template #87

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ee560a7
added processing of URL as template
dcmartin Aug 2, 2023
36cfe04
lgtm
dcmartin Aug 2, 2023
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25 changes: 22 additions & 3 deletions custom_components/feedparser/sensor.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@
from homeassistant.components.sensor import PLATFORM_SCHEMA, SensorEntity
from homeassistant.const import CONF_NAME, CONF_SCAN_INTERVAL
from homeassistant.util import dt
from homeassistant.helpers import config_validation as cv, template

if TYPE_CHECKING:
from homeassistant.core import HomeAssistant
Expand Down Expand Up @@ -41,7 +42,7 @@
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_NAME): cv.string,
vol.Required(CONF_FEED_URL): cv.string,
vol.Required(CONF_FEED_URL): cv.template,
vol.Required(CONF_DATE_FORMAT, default=DEFAULT_DATE_FORMAT): cv.string,
vol.Optional(CONF_LOCAL_TIME, default=False): cv.boolean,
vol.Optional(CONF_SHOW_TOPN, default=DEFAULT_TOPN): cv.positive_int,
Expand All @@ -61,10 +62,16 @@ async def async_setup_platform(
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the Feedparser sensor."""
feed_url=config[CONF_FEED_URL]

if isinstance(feed_url, template.Template):
_LOGGER.debug("Feed is template: %s", feed_url)
template.attach(hass, feed_url)

async_add_devices(
[
FeedParserSensor(
feed=config[CONF_FEED_URL],
feed=feed_url,
name=config[CONF_NAME],
date_format=config[CONF_DATE_FORMAT],
show_topn=config[CONF_SHOW_TOPN],
Expand Down Expand Up @@ -106,7 +113,19 @@ def __init__(

def update(self: FeedParserSensor) -> None:
"""Parse the feed and update the state of the sensor."""
parsed_feed: FeedParserDict = feedparser.parse(self._feed)
if isinstance(self._feed, template.Template):
_LOGGER.debug("Evaluating feed template: %s", self._feed)
tmp = self._feed.async_render(None, limited=False, parse_result=False)
if tmp in ['unknown','none','unavailable','null']:
_LOGGER.warn("Template failure: %s; template: %s", tmp, self._feed)
return False
else:
_LOGGER.debug("Feed URL: %s from template: %s", tmp, self._feed)
feed_url = tmp
else:
feed_url = self._feed

parsed_feed: FeedParserDict = feedparser.parse(feed_url)

if not parsed_feed:
self._attr_native_value = None
Expand Down
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