FitTrackee/fittrackee/workouts/utils/weather/visual_crossing.py
2022-11-17 00:13:47 +01:00

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from datetime import datetime, timedelta
from typing import Dict, Optional
import requests
from fittrackee import appLog
from .base_weather import BaseWeather
class VisualCrossing(BaseWeather):
def __init__(self, api_key: str):
super().__init__(api_key)
self.base_url = (
'https://weather.visualcrossing.com/'
'VisualCrossingWebServices/rest/services'
)
self.params = {
"key": self.api_key,
"iconSet": "icons1", # default value, same as Darksky
"unitGroup": "metric",
"contentType": "json",
"elements": (
"datetime,datetimeEpoch,temp,humidity,windspeed,"
"winddir,conditions,description,icon"
),
"include": "current", # to get only specific time data
}
@staticmethod
def _get_timestamp(time: datetime) -> int:
# The results are returned in the currentConditions field and are
# truncated to the hour requested (i.e. 2020-10-19T13:59:00 will return
# data at 2020-10-19T13:00:00).
# first, round datetime to nearest hour by truncating, and then adding
# an hour if the "real" time's number of minutes is 30 or more (we do
# this since the API only truncates)
trunc_time = time.replace(
second=0, microsecond=0, minute=0, hour=time.hour
) + timedelta(hours=time.minute // 30)
appLog.debug(
f'VC_weather: truncated time {time} ({time.timestamp()})'
f' to {trunc_time} ({trunc_time.timestamp()})'
)
return int(trunc_time.timestamp())
def _get_data(
self, latitude: float, longitude: float, time: datetime
) -> Optional[Dict]:
# All requests to the Timeline Weather API use the following the form:
# https://weather.visualcrossing.com/VisualCrossingWebServices/rest
# /services/timeline/[location]/[date1]/[date2]?key=YOUR_API_KEY
# location (required) is the address, partial address or
# latitude,longitude location for
# which to retrieve weather data. You can also use US ZIP Codes.
# date1 (optional) is the start date for which to retrieve weather
# data. All dates and times are in local time of the **location**
# specified.
url = (
f"{self.base_url}/timeline/{latitude},{longitude}"
f"/{self._get_timestamp(time)}"
)
appLog.debug(
f'VC_weather: getting weather from {url}'.replace(
self.api_key, '*****'
)
)
r = requests.get(url, params=self.params)
r.raise_for_status()
res = r.json()
weather = res['currentConditions']
data = {
'icon': weather['icon'],
'temperature': weather['temp'],
'humidity': weather['humidity'] / 100,
'wind': weather['windspeed'] * 1000 / (60 * 60), # km/h to m/s
'windBearing': weather['winddir'],
}
return data