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#!/usr/bin/env python3
import json
import socket
import logging
import re
import gc
import __py_include
from io import BytesIO
from typing import Optional
import matplotlib.pyplot as plt
import matplotlib.dates as mdates
import matplotlib.ticker as mticker
from telegram import ReplyKeyboardMarkup, InlineKeyboardMarkup, InlineKeyboardButton
from homekit.config import config
from homekit.telegram import bot
from homekit.util import chunks, MySimpleSocketClient
from homekit.api import WebApiClient
from homekit.api.types import (
BotType,
TemperatureSensorLocation
)
config.load_app('sensors_bot')
bot.initialize()
bot.lang.ru(
start_message="Выберите датчик на клавиатуре",
unknown_command="Неизвестная команда",
temperature="Температура",
humidity="Влажность",
plot_3h="График за 3 часа",
plot_6h="График за 6 часов",
plot_12h="График за 12 часов",
plot_24h="График за 24 часа",
unexpected_callback_data="Ошибка: неверные данные",
loading="Загрузка...",
n_hrs="график за %d ч."
)
bot.lang.en(
start_message="Select the sensor on the keyboard",
unknown_command="Unknown command",
temperature="Temperature",
humidity="Relative humidity",
plot_3h="Graph for 3 hours",
plot_6h="Graph for 6 hours",
plot_12h="Graph for 12 hours",
plot_24h="Graph for 24 hours",
unexpected_callback_data="Unexpected callback data",
loading="Loading...",
n_hrs="graph for %d hours"
)
plt.rcParams['font.size'] = 7
logger = logging.getLogger(__name__)
plot_hours = [3, 6, 12, 24]
_sensor_names = []
for k, v in config['sensors'].items():
_sensor_names.append(k)
bot.lang.set({k: v['label_ru']}, 'ru')
bot.lang.set({k: v['label_en']}, 'en')
@bot.handler(messages=_sensor_names, argument='message_key')
def read_sensor(sensor: str, ctx: bot.Context) -> None:
host = config['sensors'][sensor]['ip']
port = config['sensors'][sensor]['port']
try:
client = MySimpleSocketClient(host, port)
client.write('read')
data = json.loads(client.read())
except (socket.timeout, socket.error) as error:
return ctx.reply_exc(error)
temp = round(data['temp'], 2)
humidity = round(data['humidity'], 2)
text = ctx.lang('temperature') + f': <b>{temp} °C</b>\n'
text += ctx.lang('humidity') + f': <b>{humidity}%</b>'
buttons = list(map(
lambda h: InlineKeyboardButton(ctx.lang(f'plot_{h}h'), callback_data=f'plot/{sensor}/{h}'),
plot_hours
))
ctx.reply(text, markup=InlineKeyboardMarkup(chunks(buttons, 2)))
@bot.callbackhandler(callback='*')
def callback_handler(ctx: bot.Context) -> None:
query = ctx.callback_query
sensors_variants = '|'.join(config['sensors'].keys())
hour_variants = '|'.join(list(map(
lambda n: str(n),
plot_hours
)))
match = re.match(rf'plot/({sensors_variants})/({hour_variants})', query.data)
if not match:
query.answer(ctx.lang('unexpected_callback_data'))
return
query.answer(ctx.lang('loading'))
# retrieve data
sensor = TemperatureSensorLocation[match.group(1).upper()]
hours = int(match.group(2))
api = WebApiClient(timeout=20)
data = api.get_sensors_data(sensor, hours)
title = ctx.lang(sensor.name.lower()) + ' (' + ctx.lang('n_hrs', hours) + ')'
plot = draw_plot(data, title,
ctx.lang('temperature'),
ctx.lang('humidity'))
bot.send_photo(ctx.user_id, photo=plot)
gc.collect()
def draw_plot(data,
title: str,
label_temp: str,
label_hum: str) -> BytesIO:
tempval = []
humval = []
dates = []
for date, temp, humidity in data:
dates.append(date)
tempval.append(temp)
humval.append(humidity)
fig, axs = plt.subplots(2, 1)
df = mdates.DateFormatter('%H:%M')
axs[0].set_title(label_temp)
axs[0].plot(dates, tempval)
axs[0].xaxis.set_major_formatter(df)
axs[0].yaxis.set_major_formatter(mticker.FormatStrFormatter('%2.2f °C'))
fig.suptitle(title, fontsize=10)
axs[1].set_title(label_hum)
axs[1].plot(dates, humval)
axs[1].xaxis.set_major_formatter(df)
axs[1].yaxis.set_major_formatter(mticker.FormatStrFormatter('%2.1f %%'))
fig.autofmt_xdate()
# should be called after all axes have been added
fig.tight_layout()
buf = BytesIO()
fig.savefig(buf, format='png', dpi=160)
buf.seek(0)
plt.clf()
plt.close('all')
return buf
@bot.defaultreplymarkup
def markup(ctx: Optional[bot.Context]) -> Optional[ReplyKeyboardMarkup]:
buttons = []
for k in config['sensors'].keys():
buttons.append(ctx.lang(k))
buttons = chunks(buttons, 2)
return ReplyKeyboardMarkup(buttons, one_time_keyboard=False)
if __name__ == '__main__':
if 'api' in config:
bot.enable_logging(BotType.SENSORS)
bot.run()
|
