426 lines
16 KiB
Python
426 lines
16 KiB
Python
from flask import Flask, request
|
|
from flask_restx import Api, Resource, fields
|
|
from functools import wraps
|
|
from flask_sqlalchemy import SQLAlchemy
|
|
from flask_migrate import Migrate
|
|
import json
|
|
import logging
|
|
import yaml
|
|
import os
|
|
import sys
|
|
|
|
logging.basicConfig(level=logging.WARNING)
|
|
|
|
authorizations = {
|
|
'apikey': {
|
|
'type': 'apiKey',
|
|
'in': 'header',
|
|
'name': 'X-API-KEY'
|
|
}
|
|
}
|
|
|
|
with open('./conf.yml') as conf:
|
|
yaml_conf = yaml.safe_load(conf)
|
|
flask_settings = yaml_conf.get("flask_settings")
|
|
api_key = yaml_conf.get("api_key")
|
|
if os.environ['FLASK_ENV'] == 'development':
|
|
flask_settings_env = yaml_conf.get("flask_settings_dev")
|
|
logging.getLogger().setLevel(logging.DEBUG)
|
|
elif os.environ['FLASK_ENV'] == 'production':
|
|
flask_settings_env = yaml_conf.get("flask_settings_prod")
|
|
logging.getLogger().setLevel(logging.WARNING)
|
|
else:
|
|
logging.error("FLASK_ENV must be set to development or production.")
|
|
sys.exit(1)
|
|
targets = yaml_conf.get("targets")
|
|
modes = yaml_conf.get("modes")
|
|
http_port = yaml_conf.get("http_port")
|
|
shedding_order = yaml_conf.get("shedding_order")
|
|
rooms_settings = yaml_conf.get("rooms_settings")
|
|
default_target = yaml_conf.get("default_target")
|
|
relays_load = yaml_conf.get("relays_load")
|
|
awake_hour = yaml_conf.get("awake_hour")
|
|
sleep_hour = yaml_conf.get("sleep_hour")
|
|
forced_mode_duration = yaml_conf.get("forced_mode_duration")
|
|
load_shedder_interval = yaml_conf.get("load_shedder_interval")
|
|
relay_control_interval = yaml_conf.get("relay_control_interval")
|
|
hysteresis = yaml_conf.get("hysteresis")
|
|
max_load = yaml_conf.get("max_load")
|
|
load_margin = yaml_conf.get("load_margin")
|
|
|
|
|
|
def auth_required(func):
|
|
func = api.doc(security='apikey')(func)
|
|
@wraps(func)
|
|
def check_auth(*args, **kwargs):
|
|
if 'X-API-KEY' not in request.headers:
|
|
api.abort(401, 'API key required')
|
|
key = request.headers['X-API-KEY']
|
|
# Check key validity
|
|
if key != api_key:
|
|
api.abort(401, 'Wrong API key')
|
|
return func(*args, **kwargs)
|
|
return check_auth
|
|
|
|
app = Flask(__name__)
|
|
app.config.from_mapping(flask_settings)
|
|
app.config.from_mapping(flask_settings_env)
|
|
db = SQLAlchemy(app)
|
|
api = Api(app, version='1.0', title='Thermostat',
|
|
description='API to read and set thermostat.', authorizations=authorizations)
|
|
ns_thermostat = api.namespace('thermostat/', description='Thermostat API')
|
|
|
|
# we will only use name="mode" for set_mode table
|
|
# only modes that are set manually will be recorded in the database
|
|
class Set_mode(db.Model):
|
|
__tablename__ = "set_mode"
|
|
name = db.Column(db.String, primary_key=True, server_default='mode', nullable=False)
|
|
value = db.Column(db.String, nullable=False)
|
|
timestamp = db.Column(db.DateTime, server_default=text("CURRENT_TIMESTAMP"), nullable=False)
|
|
|
|
Set_mode_resource_fields = {
|
|
'name': fields.String(description='mode type'),
|
|
'value': fields.String(required=True, description='value'),
|
|
'time': fields.DateTime(dt_format='iso8601'),
|
|
}
|
|
|
|
Set_mode_model = api.model('Set_mode_Model', Set_mode_resource_fields)
|
|
|
|
@ns_thermostat.route('/set_mode')
|
|
class Set_mode_thermostat(Resource):
|
|
@auth_required
|
|
@api.expect(Set_mode_model, validate=True)
|
|
def post(self):
|
|
try:
|
|
data = Set_mode(**request.json)
|
|
db.session.add(data)
|
|
db.session.commit()
|
|
return "OK", 201
|
|
except Exception as e:
|
|
logging.error(e)
|
|
return "K0", 400
|
|
|
|
@ns_thermostat.route('/status')
|
|
class Status_thermostat(Resource):
|
|
@auth_required
|
|
def get(self):
|
|
logging.debug(json.loads(request.args.get("filter")))
|
|
page = request.args.get('page', default = 1, type = int)
|
|
filters = json.loads(request.args.get("filter", default = '*', type = str))
|
|
record_query = Stock.query.filter()
|
|
for stock_filter in filters:
|
|
if 'name' in stock_filter.keys():
|
|
if stock_filter['name'] == 'metric':
|
|
record_query = record_query.filter(Stock.metric == stock_filter["val"])
|
|
if stock_filter['name'] in ['price', 'volume', 'time']:
|
|
if stock_filter['op'] == 'le':
|
|
record_query = record_query.filter(getattr(Stock, stock_filter['name']) <= stock_filter["val"])
|
|
if stock_filter['op'] == 'ge':
|
|
record_query = record_query.filter(getattr(Stock, stock_filter['name']) >= stock_filter["val"])
|
|
if stock_filter['op'] == 'eq':
|
|
record_query = record_query.filter(getattr(Stock, stock_filter['name']) == stock_filter["val"])
|
|
|
|
record_query = record_query.paginate(page=page, per_page=20)
|
|
result = dict(datas=record_query.items,
|
|
total_results=record_query.total,
|
|
current_page=record_query.page,
|
|
pages=record_query.pages)
|
|
logging.debug(result)
|
|
return result
|
|
|
|
api.add_namespace(ns_thermostat)
|
|
db.create_all()
|
|
migrate = Migrate(app, db, compare_type=True)
|
|
|
|
|
|
#import subprocess
|
|
#import time
|
|
#import datetime
|
|
#from datetime import timezone
|
|
#import requests
|
|
#import argparse
|
|
#import signal
|
|
#from threading import Event
|
|
#from http.server import BaseHTTPRequestHandler
|
|
#import threading
|
|
#import socketserver
|
|
#
|
|
## As of Python 3.7 there is a method datetime.fromisoformat() which is exactly the reverse for isoformat().
|
|
## So this will no longer be necessary.
|
|
#from dateutil import parser
|
|
#def getDateTimeFromISO8601String(s):
|
|
# d = parser.parse(s)
|
|
# return d
|
|
#
|
|
#from threading import Lock
|
|
#
|
|
#xprint_lock = Lock()
|
|
#
|
|
#def xprint(*args, **kwargs):
|
|
# """Thread safe print function"""
|
|
# with xprint_lock:
|
|
# print(*args, **kwargs)
|
|
# sys.stdout.flush()
|
|
#
|
|
#p = argparse.ArgumentParser(description='Thermostat and load shedder.')
|
|
#p.add_argument("-v", "--verbosity", help="Increase output verbosity",
|
|
# type=str, choices=['DEBUG', 'INFO', 'WARNING'], default='INFO')
|
|
#args = p.parse_args()
|
|
#
|
|
#verbosity = args.verbosity
|
|
#if verbosity == 'DEBUG':
|
|
# logging.basicConfig(level=logging.DEBUG)
|
|
#elif verbosity == 'INFO':
|
|
# logging.basicConfig(level=logging.INFO)
|
|
#elif verbosity == 'WARNING':
|
|
# logging.basicConfig(level=logging.WARNING)
|
|
#
|
|
#def now():
|
|
# return "["+datetime.datetime.now().strftime("%c")+"]"
|
|
#
|
|
#def api_help():
|
|
# return """
|
|
#### HTTP API description:
|
|
## /status
|
|
#
|
|
## /help : This message
|
|
#
|
|
#"""\
|
|
#+'Temporary forced modes (will stay in effect for '+str(int(forced_mode_duration))+' seconds):\n'\
|
|
#+'\n'.join(['# /'+target+'\n' for target in targets])\
|
|
#+'\n'\
|
|
#+'Permanent forced modes:\n'\
|
|
#+'\n'.join(['# /'+mode+'\n' for mode in modes])
|
|
#
|
|
#def enabled_rooms():
|
|
# rooms_list=[]
|
|
# for room in rooms_settings:
|
|
# if rooms_settings[room]["enabled"]:
|
|
# rooms_list.append(room)
|
|
# return rooms_list
|
|
#
|
|
#def status_as_text():
|
|
# return 'target: '+target_name+'\n'\
|
|
# +'forced_mode: '+str(forced_mode)+'\n'\
|
|
# +'\n'.join(['Target temperature for '+room+': '+str(rooms_settings[room][target_name])+'\n'+'Current temperature for '+room+': '+str(get_metric(rooms_settings[room]["metric"], current_time, relay_control_interval)) for room in enabled_rooms()])
|
|
#
|
|
#def relay_state(relay):
|
|
# try:
|
|
# returned_output = subprocess.check_output(["./relay.py", relay, "status"])
|
|
# return returned_output.strip().decode("utf-8")
|
|
# except Exception as e:
|
|
# logging.error(e)
|
|
# logging.error("relay "+relay+" status: Failed to command relays board.")
|
|
# sys.stdout.flush()
|
|
# return "Failed"
|
|
#
|
|
#def set_relay(relay, state):
|
|
# try:
|
|
# returned_output = subprocess.check_output(["./relay.py", relay, state])
|
|
# logging.info("set relay "+relay+" to "+state+", new global status: "+returned_output.decode("utf-8").split('\n')[1])
|
|
# sys.stdout.flush()
|
|
# return "OK"
|
|
# except Exception as e:
|
|
# logging.error(e)
|
|
# logging.error("set relay "+relay+" to "+state+": Failed to command relays board.")
|
|
# sys.stdout.flush()
|
|
# return "KO"
|
|
#
|
|
#def get_metric(metric, current_time, interval):
|
|
# url = "http://localhost:3000/"+metric
|
|
# try:
|
|
# r = requests.get(url)
|
|
# data = json.loads(r.text)
|
|
# timestamp = getDateTimeFromISO8601String(data['timestamp']).replace(tzinfo=timezone.utc).timestamp()
|
|
# if current_time - timestamp < interval * 2:
|
|
# return data['value']
|
|
# else:
|
|
# logging.warning("WARNING: No recent load data available.")
|
|
# except Exception as e:
|
|
# logging.error(e)
|
|
# sys.stdout.flush()
|
|
# return None
|
|
#
|
|
#def get_forced_mode(cur):
|
|
# cur.execute("SELECT value, timestamp FROM set_mode WHERE name='mode'")
|
|
# row = cur.fetchone()
|
|
# data = dict(zip(['value', 'timestamp'], row))
|
|
# timestamp = getDateTimeFromISO8601String(data['timestamp']).replace(tzinfo=timezone.utc).timestamp()
|
|
# # We ignore old targets but never ignore absence modes
|
|
# if data['value'] in targets and time.time() - timestamp > forced_mode_duration:
|
|
# logging.debug("Ignoring old set mode.")
|
|
# return None
|
|
# else:
|
|
# return data['value']
|
|
#
|
|
#logging.info("====== Starting ======")
|
|
#stop = Event()
|
|
#last_data = {}
|
|
#
|
|
#def handler(signum, frame):
|
|
# global stop
|
|
# logging.info("Got interrupt: "+str(signum))
|
|
# stop.set()
|
|
# logging.info("Shutdown")
|
|
#
|
|
#signal.signal(signal.SIGTERM,handler)
|
|
#signal.signal(signal.SIGINT,handler)
|
|
#
|
|
#class MyHandler(BaseHTTPRequestHandler):
|
|
# def do_GET(self):
|
|
# global new_forced_mode
|
|
# request = self.path[1:]
|
|
# if request in targets or request in modes:
|
|
# self.send_response(200)
|
|
# new_forced_mode = request
|
|
# elif self.path == '/status':
|
|
# self.send_response(200)
|
|
# self.send_header('Content-type', 'text/plain')
|
|
# self.end_headers()
|
|
# self.wfile.write(status_as_text().encode("utf-8"))
|
|
# elif self.path == '/help':
|
|
# self.send_response(200)
|
|
# self.send_header('Content-type', 'text/plain')
|
|
# self.end_headers()
|
|
# self.wfile.write(api_help().encode("utf-8"))
|
|
# else:
|
|
# self.send_response(404)
|
|
# # This rewrites the BaseHTTP logging function
|
|
# def log_message(self, format, *args):
|
|
# if verbosity == 'INFO':
|
|
# xprint("%s - - [%s] %s" %
|
|
# (self.address_string(),
|
|
# self.log_date_time_string(),
|
|
# format%args))
|
|
#
|
|
#class WebThread(threading.Thread):
|
|
# def run(self):
|
|
# httpd.serve_forever()
|
|
#
|
|
#start_time = time.time()
|
|
#last_control_time = None
|
|
#new_forced_mode = None
|
|
#target_name = default_target
|
|
#first_loop = True
|
|
#
|
|
## TODO: Get Linky overload warning
|
|
#
|
|
##cursor.execute("SELECT * FROM set_mode")
|
|
##rows = cursor.fetchall()
|
|
##for row in rows:
|
|
## print(row)
|
|
##sys.stdout.flush()
|
|
#
|
|
#httpd = socketserver.TCPServer(("", http_port), MyHandler, bind_and_activate=False)
|
|
#httpd.allow_reuse_address = True
|
|
#httpd.server_bind()
|
|
#httpd.server_activate()
|
|
#webserver_thread = WebThread()
|
|
#webserver_thread.start()
|
|
#
|
|
#while True:
|
|
# if stop.is_set():
|
|
# httpd.shutdown()
|
|
# httpd.server_close()
|
|
# dbconn.close()
|
|
# break
|
|
#
|
|
# if new_forced_mode is not None:
|
|
# cursor.execute("INSERT OR REPLACE INTO set_mode (value) VALUES ('"+new_forced_mode+"')")
|
|
# dbconn.commit()
|
|
# logging.info("Switch to "+new_forced_mode)
|
|
# target_name = new_forced_mode
|
|
# new_forced_mode = None
|
|
# # Force immediate action:
|
|
# last_control_time = None
|
|
# current_time = time.time()
|
|
# current_date = datetime.datetime.now()
|
|
# today_awake_time = current_date.replace(hour=int(awake_hour.split(':')[0]), minute=int(awake_hour.split(':')[1]), second=0, microsecond=0)
|
|
# today_sleep_time = current_date.replace(hour=int(sleep_hour.split(':')[0]), minute=int(sleep_hour.split(':')[1]), second=0, microsecond=0)
|
|
# forced_mode = get_forced_mode(cursor)
|
|
# if forced_mode is not None and forced_mode in targets:
|
|
# if target_name != forced_mode:
|
|
# target_name = forced_mode
|
|
# logging.info("Switch to "+forced_mode)
|
|
# else:
|
|
# if forced_mode == "long_absence":
|
|
# if target_name != "target_frost_protection" or first_loop:
|
|
# target_name = "target_frost_protection"
|
|
# logging.info("Switch to "+target_name)
|
|
# elif forced_mode == "short_absence" or first_loop:
|
|
# if target_name != "target_sleep_temperature":
|
|
# target_name = "target_sleep_temperature"
|
|
# logging.info("Switch to "+target_name)
|
|
# elif current_date > today_awake_time and current_date < today_sleep_time:
|
|
# if target_name != "target_unconfirmed_awake_temperature" and target_name != "target_awake_temperature":
|
|
# target_name = "target_unconfirmed_awake_temperature"
|
|
# logging.info("Switch to unconfirmed awake mode.")
|
|
# elif current_date < today_awake_time or current_date > today_sleep_time:
|
|
# if target_name != "target_unconfirmed_sleep_temperature" and target_name != "target_sleep_temperature":
|
|
# target_name = "target_unconfirmed_sleep_temperature"
|
|
# logging.info("Switch to unconfirmed sleep mode.")
|
|
#
|
|
# first_loop = False
|
|
#
|
|
# # Load shedder
|
|
# current_load = get_metric("Modane_elec_main_power", current_time, load_shedder_interval)
|
|
# if current_load is None:
|
|
# time.sleep(load_shedder_interval)
|
|
# continue
|
|
# elif max_load - current_load < load_margin:
|
|
# logging.warning("Load too high: "+str(current_load)+"VA")
|
|
# total_shedded = 0
|
|
# for room in shedding_order:
|
|
# current_state = relay_state(rooms_settings[room]["relays"])
|
|
# if current_state != "Failed":
|
|
# logging.debug("Got relay_state: '"+current_state+"'")
|
|
# if current_state == "1":
|
|
# result = set_relay(rooms_settings[room]["relays"], "off")
|
|
# if result == "OK":
|
|
# total_shedded += relays_load[rooms_settings[room]["relays"]]
|
|
# if max_load - current_load - total_shedded < load_margin:
|
|
# logging.info("Load should be back to normal.")
|
|
# break
|
|
#
|
|
# # Thermostat
|
|
# if last_control_time is None or current_time - last_control_time > relay_control_interval:
|
|
# last_control_time = current_time
|
|
# for room in rooms_settings:
|
|
# if not rooms_settings[room]["enabled"]:
|
|
# continue
|
|
# target = rooms_settings[room][target_name]
|
|
# logging.debug("Target: "+str(target))
|
|
# temperature = get_metric(rooms_settings[room]["metric"], current_time, relay_control_interval)
|
|
# if temperature is None:
|
|
# continue
|
|
# logging.debug(room+": "+str(temperature))
|
|
# current_state = relay_state(rooms_settings[room]["relays"])
|
|
# if current_state != "Failed":
|
|
# logging.debug("Got relay_state: '"+current_state+"'")
|
|
# if temperature < target - hysteresis:
|
|
# if current_state == "0":
|
|
# logging.info(room+": Target temperature is "+str(target))
|
|
# logging.info(room+": Current temperature is "+str(temperature))
|
|
# if current_load + relays_load[rooms_settings[room]["relays"]] + load_margin > max_load:
|
|
# logging.warning(room+": Load too high cannot start heaters.")
|
|
# else:
|
|
# logging.info(room+": Starting heaters.")
|
|
# set_relay(rooms_settings[room]["relays"], "on")
|
|
# sys.stdout.flush()
|
|
# else:
|
|
# logging.debug("Relay already on.")
|
|
#
|
|
# elif temperature > target + hysteresis:
|
|
# if current_state == "1":
|
|
# logging.info(room+": Target temperature is "+str(target))
|
|
# logging.info(room+": Current temperature is "+str(temperature))
|
|
# logging.info(room+": Stopping heaters.")
|
|
# sys.stdout.flush()
|
|
# set_relay(rooms_settings[room]["relays"], "off")
|
|
# else:
|
|
# logging.debug("Relay already off.")
|
|
# time.sleep(load_shedder_interval)
|
|
#
|
|
#logging.info("====== Ended successfully ======")
|
|
#
|