core/homeassistant/components/reddit/sensor.py

126 lines
3.5 KiB
Python

"""Support for Reddit."""
from datetime import timedelta
import logging
import voluptuous as vol
from homeassistant.components.sensor import PLATFORM_SCHEMA
from homeassistant.const import (CONF_USERNAME, CONF_PASSWORD, CONF_MAXIMUM)
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity import Entity
REQUIREMENTS = ['praw==6.1.1']
_LOGGER = logging.getLogger(__name__)
CONF_CLIENT_ID = 'client_id'
CONF_CLIENT_SECRET = 'client_secret'
CONF_SUBREDDITS = 'subreddits'
ATTR_ID = 'id'
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'
SCAN_INTERVAL = timedelta(seconds=300)
PLATFORM_SCHEMA = 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_MAXIMUM, default=10): cv.positive_int
})
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the Reddit sensor platform."""
import praw
subreddits = config[CONF_SUBREDDITS]
user_agent = '{}_home_assistant_sensor'.format(config[CONF_USERNAME])
limit = config[CONF_MAXIMUM]
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, sub, limit) for sub in subreddits]
add_entities(sensors, True)
class RedditSensor(Entity):
"""Representation of a Reddit sensor."""
def __init__(self, reddit, subreddit: str, limit: int):
"""Initialize the Reddit sensor."""
self._reddit = reddit
self._limit = limit
self._subreddit = subreddit
self._subreddit_data = []
@property
def name(self):
"""Return the name of the sensor."""
return 'reddit_{}'.format(self._subreddit)
@property
def state(self):
"""Return the state of the sensor."""
return len(self._subreddit_data)
@property
def device_state_attributes(self):
"""Return the state attributes."""
return {
ATTR_SUBREDDIT: self._subreddit,
ATTR_POSTS: self._subreddit_data
}
@property
def icon(self):
"""Return the icon to use in the frontend."""
return 'mdi:reddit'
def update(self):
"""Update data from Reddit API."""
import praw
self._subreddit_data = []
try:
subreddit = self._reddit.subreddit(self._subreddit)
for submission in subreddit.top(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)