core/homeassistant/components/reddit/sensor.py

158 lines
4.5 KiB
Python

"""Support for Reddit."""
from __future__ import annotations
from datetime import timedelta
import logging
import praw
import voluptuous as vol
from homeassistant.components.sensor import (
PLATFORM_SCHEMA as SENSOR_PLATFORM_SCHEMA,
SensorEntity,
)
from homeassistant.const import (
ATTR_ID,
CONF_CLIENT_ID,
CONF_CLIENT_SECRET,
CONF_MAXIMUM,
CONF_PASSWORD,
CONF_USERNAME,
)
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
_LOGGER = logging.getLogger(__name__)
CONF_SORT_BY = "sort_by"
CONF_SUBREDDITS = "subreddits"
ATTR_BODY = "body"
ATTR_COMMENTS_NUMBER = "comms_num"
ATTR_CREATED = "created"
ATTR_POSTS = "posts"
ATTR_SUBREDDIT = "subreddit"
ATTR_SCORE = "score"
ATTR_TITLE = "title"
ATTR_URL = "url"
DEFAULT_NAME = "Reddit"
DOMAIN = "reddit"
LIST_TYPES = ["top", "controversial", "hot", "new"]
SCAN_INTERVAL = timedelta(seconds=300)
PLATFORM_SCHEMA = SENSOR_PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_CLIENT_ID): cv.string,
vol.Required(CONF_CLIENT_SECRET): cv.string,
vol.Required(CONF_USERNAME): cv.string,
vol.Required(CONF_PASSWORD): cv.string,
vol.Required(CONF_SUBREDDITS): vol.All(cv.ensure_list, [cv.string]),
vol.Optional(CONF_SORT_BY, default="hot"): vol.All(
cv.string, vol.In(LIST_TYPES)
),
vol.Optional(CONF_MAXIMUM, default=10): cv.positive_int,
}
)
def setup_platform(
hass: HomeAssistant,
config: ConfigType,
add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the Reddit sensor platform."""
subreddits = config[CONF_SUBREDDITS]
user_agent = f"{config[CONF_USERNAME]}_home_assistant_sensor"
limit = config[CONF_MAXIMUM]
sort_by = config[CONF_SORT_BY]
try:
reddit = praw.Reddit(
client_id=config[CONF_CLIENT_ID],
client_secret=config[CONF_CLIENT_SECRET],
username=config[CONF_USERNAME],
password=config[CONF_PASSWORD],
user_agent=user_agent,
)
_LOGGER.debug("Connected to praw")
except praw.exceptions.PRAWException as err:
_LOGGER.error("Reddit error %s", err)
return
sensors = [
RedditSensor(reddit, subreddit, limit, sort_by) for subreddit in subreddits
]
add_entities(sensors, True)
class RedditSensor(SensorEntity):
"""Representation of a Reddit sensor."""
def __init__(self, reddit, subreddit: str, limit: int, sort_by: str) -> None:
"""Initialize the Reddit sensor."""
self._reddit = reddit
self._subreddit = subreddit
self._limit = limit
self._sort_by = sort_by
self._subreddit_data: list = []
@property
def name(self):
"""Return the name of the sensor."""
return f"reddit_{self._subreddit}"
@property
def native_value(self):
"""Return the state of the sensor."""
return len(self._subreddit_data)
@property
def extra_state_attributes(self):
"""Return the state attributes."""
return {
ATTR_SUBREDDIT: self._subreddit,
ATTR_POSTS: self._subreddit_data,
CONF_SORT_BY: self._sort_by,
}
@property
def icon(self):
"""Return the icon to use in the frontend."""
return "mdi:reddit"
def update(self) -> None:
"""Update data from Reddit API."""
self._subreddit_data = []
try:
subreddit = self._reddit.subreddit(self._subreddit)
if hasattr(subreddit, self._sort_by):
method_to_call = getattr(subreddit, self._sort_by)
for submission in method_to_call(limit=self._limit):
self._subreddit_data.append(
{
ATTR_ID: submission.id,
ATTR_URL: submission.url,
ATTR_TITLE: submission.title,
ATTR_SCORE: submission.score,
ATTR_COMMENTS_NUMBER: submission.num_comments,
ATTR_CREATED: submission.created,
ATTR_BODY: submission.selftext,
}
)
except praw.exceptions.PRAWException as err:
_LOGGER.error("Reddit error %s", err)