X-Git-Url: https://wannabe.guru.org/gitweb/?a=blobdiff_plain;f=cached%2Fweather_data.py;h=8793bd315940b8ef16fb63d059b14b178fabc153;hb=723f5fcb660eef79cc455cfb3f2eebfa667c90fa;hp=89c330aba5e17f20fd537f1d60b490bfa43e25c2;hpb=d08bad64a6884f25d28a2c38c6cd1c87b4335188;p=python_utils.git diff --git a/cached/weather_data.py b/cached/weather_data.py index 89c330a..8793bd3 100644 --- a/cached/weather_data.py +++ b/cached/weather_data.py @@ -1,18 +1,27 @@ #!/usr/bin/env python3 +# -*- coding: utf-8 -*- + +# © Copyright 2021-2022, Scott Gasch + +"""How's the weather?""" -from dataclasses import dataclass import datetime import json import logging import os -from typing import List import urllib.request +from dataclasses import dataclass +from typing import Any, Dict, List, Optional + +from overrides import overrides import argparse_utils import config import datetime_utils import list_utils import persistent +import scott_secrets +import type_utils logger = logging.getLogger(__name__) @@ -23,34 +32,33 @@ cfg = config.add_commandline_args( cfg.add_argument( '--weather_data_cachefile', type=str, - default=f'{os.environ["HOME"]}/.weather_summary_cache', + default=f'{os.environ["HOME"]}/cache/.weather_summary_cache', metavar='FILENAME', - help='File in which to cache weather data' + help='File in which to cache weather data', ) cfg.add_argument( '--weather_data_stalest_acceptable', type=argparse_utils.valid_duration, - default=datetime.timedelta(seconds=7200), # 2 hours + default=datetime.timedelta(seconds=7200), # 2 hours metavar='DURATION', - help='Maximum acceptable age of cached data. If zero, forces a refetch' + help='Maximum acceptable age of cached data. If zero, forces a refetch', ) @dataclass class WeatherData: - date: datetime.date # The date - high: float # The predicted high in F - low: float # The predicted low in F - precipitation_inches: float # Number of inches of precipitation / day - conditions: List[str] # Conditions per ~3h window - most_common_condition: str # The most common condition - icon: str # An icon to represent it + date: datetime.date # The date + high: float # The predicted high in F + low: float # The predicted low in F + precipitation_inches: float # Number of inches of precipitation / day + conditions: List[str] # Conditions per ~3h window + most_common_condition: str # The most common condition + icon: str # An icon to represent it -@persistent.persistent_autoloaded_singleton() +@persistent.persistent_autoloaded_singleton() # type: ignore class CachedWeatherData(persistent.Persistent): - def __init__(self, - weather_data = None): + def __init__(self, weather_data: Dict[datetime.date, WeatherData] = None): if weather_data is not None: self.weather_data = weather_data return @@ -70,16 +78,16 @@ class CachedWeatherData(persistent.Persistent): "Sand": "🏜️", "Ash": "🌋", "Squall": "🌬", - "Tornado": "🌪️" + "Tornado": "🌪️", } now = datetime.datetime.now() dates = set() - highs = {} - lows = {} - conditions = {} - precip = {} - param = "id=5786882" # Bellevue, WA - key = "c0b160c49743622f62a9cd3cda0270b3" + highs: Dict[datetime.date, Optional[float]] = {} + lows: Dict[datetime.date, Optional[float]] = {} + conditions: Dict[datetime.date, List[str]] = {} + precip: Dict[datetime.date, float] = {} + param = "id=5786882" # Bellevue, WA + key = scott_secrets.OPEN_WEATHER_MAP_KEY www = urllib.request.urlopen( f'http://api.openweathermap.org/data/2.5/weather?zip=98005,us&APPID={key}&units=imperial' ) @@ -105,13 +113,13 @@ class CachedWeatherData(persistent.Persistent): if dt == now.date() and now.hour > 18 and condition == 'Clear': icon = '🌙' self.weather_data[dt] = WeatherData( - date = dt, - high = float(parsed_json["main"]["temp_max"]), - low = float(parsed_json["main"]["temp_min"]), - precipitation_inches = p / 25.4, - conditions = [condition], - most_common_condition = condition, - icon = icon, + date=dt, + high=float(parsed_json["main"]["temp_max"]), + low=float(parsed_json["main"]["temp_min"]), + precipitation_inches=p / 25.4, + conditions=[condition], + most_common_condition=condition, + icon=icon, ) www = urllib.request.urlopen( @@ -132,9 +140,9 @@ class CachedWeatherData(persistent.Persistent): lows[dt] = None conditions[dt] = [] for temp in ( - data["main"]["temp"], - data['main']['temp_min'], - data['main']['temp_max'], + data["main"]["temp"], + data['main']['temp_min'], + data['main']['temp_max'], ): if highs[dt] is None or temp > highs[dt]: highs[dt] = temp @@ -158,10 +166,7 @@ class CachedWeatherData(persistent.Persistent): for dt in sorted(dates): if dt == today: high = highs.get(dt, None) - if ( - high is not None and - self.weather_data[today].high < high - ): + if high is not None and self.weather_data[today].high < high: self.weather_data[today].high = high continue most_common_condition = list_utils.most_common(conditions[dt]) @@ -169,32 +174,37 @@ class CachedWeatherData(persistent.Persistent): if dt == now.date() and now.hour > 18 and condition == 'Clear': icon = '🌙' self.weather_data[dt] = WeatherData( - date = dt, - high = highs[dt], - low = lows[dt], - precipitation_inches = precip[dt] / 25.4, - conditions = conditions[dt], - most_common_condition = most_common_condition, - icon = icon + date=dt, + high=type_utils.unwrap_optional(highs[dt]), + low=type_utils.unwrap_optional(lows[dt]), + precipitation_inches=precip[dt] / 25.4, + conditions=conditions[dt], + most_common_condition=most_common_condition, + icon=icon, ) @classmethod - def load(cls): + @overrides + def load(cls) -> Any: if persistent.was_file_written_within_n_seconds( - config.config['weather_data_cachefile'], - config.config['weather_data_stalest_acceptable'].total_seconds(), + config.config['weather_data_cachefile'], + config.config['weather_data_stalest_acceptable'].total_seconds(), ): import pickle + with open(config.config['weather_data_cachefile'], 'rb') as rf: weather_data = pickle.load(rf) return cls(weather_data) return None - def save(self): + @overrides + def save(self) -> bool: import pickle + with open(config.config['weather_data_cachefile'], 'wb') as wf: pickle.dump( self.weather_data, wf, pickle.HIGHEST_PROTOCOL, ) + return True