myq_renderer.py

   1 #!/usr/bin/env python3
   2
   3 from aiohttp import ClientSession
   4 import asyncio
   5 import datetime
   6 from dateutil.parser import parse
   7 import pymyq
   8 from typing import Dict, List
   9
  10 import constants
  11 import file_writer
  12 import renderer
  13 import secrets
  14 import utils
  15
  16
  17 class garage_door_renderer(renderer.debuggable_abstaining_renderer):
  18     def __init__(self, name_to_timeout_dict: Dict[str, int]) -> None:
  19         super(garage_door_renderer, self).__init__(name_to_timeout_dict, False)
  20         self.doors = None
  21         self.last_update = None
  22
  23     def debug_prefix(self) -> str:
  24         return "myq"
  25
  26     def periodic_render(self, key: str) -> bool:
  27         if key == "Poll MyQ":
  28             self.last_update = datetime.datetime.now()
  29             return asyncio.run(self.poll_myq())
  30         elif key == "Update Page":
  31             return self.update_page()
  32         else:
  33             raise error("Unknown operaiton")
  34
  35     async def poll_myq(self) -> bool:
  36         async with ClientSession() as websession:
  37             myq = await pymyq.login(
  38                 secrets.myq_username, secrets.myq_password, websession
  39             )
  40             self.doors = myq.devices
  41             return len(self.doors) > 0
  42
  43     def update_page(self) -> bool:
  44         with file_writer.file_writer(constants.myq_pagename) as f:
  45             f.write(
  46                 f"""
  47 <H1>Garage Door Status</H1>
  48 <!-- Last updated at {self.last_update} -->
  49 <HR>
  50 <TABLE BORDER=0 WIDTH=99%>
  51     <TR>
  52 """
  53             )
  54             html = self.do_door("Near House")
  55             if html is None:
  56                 return False
  57             f.write(html)
  58
  59             html = self.do_door("Middle Door")
  60             if html is None:
  61                 return False
  62             f.write(html)
  63             f.write(
  64                 """
  65     </TR>
  66 </TABLE>"""
  67             )
  68         return True
  69
  70     def get_state_icon(self, state: str) -> str:
  71         if state == "open":
  72             return "/icons/garage_open.png"
  73         elif state == "closed":
  74             return "/icons/garage_closed.png"
  75         elif state == "opening":
  76             return "/icons/garage_opening.png"
  77         elif state == "closing":
  78             return "/icons/garage_closing.png"
  79         else:
  80             return str(state) + ", an unknown state for the door."
  81
  82     def do_door(self, name: str) -> str:
  83         for key in self.doors:
  84             door = self.doors[key]
  85             if door.name == name:
  86                 j = self.doors[key].device_json
  87                 state = j["state"]["door_state"]
  88
  89                 # "last_update": "2020-07-04T18:11:34.2981419Z"
  90                 raw = j["state"]["last_update"]
  91                 ts = parse(raw)
  92                 tz_info = ts.tzinfo
  93                 now = datetime.datetime.now(tz_info)
  94                 delta = (now - ts).total_seconds()
  95                 now = datetime.datetime.now()
  96                 is_night = now.hour <= 7 or now.hour >= 21
  97                 duration = utils.describe_duration_briefly(delta)
  98                 width = 0
  99                 if is_night and door.state == "open":
 100                     color = "border-color: #ff0000;"
 101                     width = 15
 102                 else:
 103                     color = ""
 104                     width = 0
 105                 return f"""
 106 <TD WIDTH=49%>
 107   <CENTER>
 108   <FONT STYLE="font-size:26pt">{name}<BR>
 109   <IMG SRC="{self.get_state_icon(state)}"
 110        HEIGHT=250
 111        STYLE="border-style: solid; border-width: {width}px; {color}">
 112   <BR>
 113   <B>{state}</B></FONT><BR>
 114   for {duration}
 115   </CENTER>
 116 </TD>"""
 117         return None
 118
 119
 120 # Test
 121 #x = garage_door_renderer({"Test": 1})
 122 #x.periodic_render("Poll MyQ")
 123 #x.periodic_render("Update Page")