dotfiles/.config/i3blocks/weather/weather.py

127 lines
5.4 KiB
Python
Raw Normal View History

2021-11-13 19:24:20 +01:00
#!/usr/bin/python3
''' Weather acquirer for: https://github.com/miklhh/i3blocks-config '''
import os
import datetime
import xml.etree.ElementTree as ET
import requests
# Forecast URL.
2021-11-13 22:37:47 +01:00
#YR_URL = "https://www.yr.no/place/Sverige/%C3%96sterg%C3%B6tland/Link%C3%B6ping/forecast.xml"
#YR_URL = "https://www.yr.no/place/Spain/Valencia/Valencia/forecast.xml"
YR_URL = "https://www.yr.no/place/Spain/Valencia/X%C3%A0tiva/forecast.xml"
2021-11-13 19:24:20 +01:00
# Good to have data + funky emojicons.
FORECAST_CACHE_FILE = os.path.dirname(os.path.realpath(__file__)) + "/forecast.xml"
# Emojis associatted with weather # Day # Night
WEATHER_TYPES = { "Fair" : ["☀️", "🌙"], #pylint: disable=C0326
"Partly cloudy" : ["", "☁️"], #pylint: disable=C0326
"Clear sky" : ["☀️", "🌙"], #pylint: disable=C0326
"Cloudy" : ["☁️", "☁️"], #pylint: disable=C0326
"Light rain" : ["🌧️", "🌧️"], #pylint: disable=C0326
"Rain" : ["🌧️", "🌧️"], #pylint: disable=C0326
"Heavy Rain" : ["🌧️", "🌧️"], #pylint: disable=C0326
"Light snow" : ["🌨️", "🌨️"], #pylint: disable=C0326
"Snow" : ["🌨️", "🌨️"], #pylint: disable=C0326
"Heavy snow" : ["🌨️", "🌨️"], #pylint: disable=C0326
"Foggy" : ["🌫️", "🌫️"], #pylint: disable=C0326
"Fog" : ["🌫️", "🌫️"], #pylint: disable=C0326
"Light snow showers" : ["🌨️", "🌨️"]} #pylint: disable=C0326
def get_xml_root():
""" Returns a weather XML root, cached from old data if necessary. """
yr_response = 0
try:
# Request data from YR.
yr_response = requests.get(YR_URL)
if yr_response.status_code != 200:
raise RuntimeError('Error: YR status code ' + str(yr_response.status_code))
# New response, store in cache file and return XML root.
with open(FORECAST_CACHE_FILE, "w") as file_handle:
file_handle.write(yr_response.text)
return ET.fromstring(yr_response.text)
except requests.ConnectionError:
# Probably just no internet. Use cached forecast.
if os.path.isfile(FORECAST_CACHE_FILE):
with open(FORECAST_CACHE_FILE) as file_handle:
yr_response = file_handle.read()
# Print recycle emoji and continue using cached forecast.
print("(♻️)", end=" ")
return ET.fromstring(yr_response)
# Dead end, no XML-root acquired.
raise RuntimeError('No forecast data available.')
def main():
""" Entry point for program. """
# Get the XML root.
try:
xml_root = get_xml_root()
except RuntimeError as exception:
print(exception)
# Parse the sun rise and set time. Appearntly, they are not always available and
# so we need to make sure they exist in the recieved data.
rise_fall_available = True
sun_rise_time = sun_set_time = ""
try:
sun_rise_time = xml_root.find("sun").attrib.get("rise")
sun_rise_time = sun_rise_time[sun_rise_time.find('T')+1 : len(sun_rise_time)-3]
sun_set_time = xml_root.find("sun").attrib.get("set")
sun_set_time = sun_set_time[sun_set_time.find('T')+1 : len(sun_set_time)-3]
except (ET.ParseError, AttributeError):
rise_fall_available = False
# Get the current weather information.
forecast = xml_root.find("forecast").find("tabular").find("time")
weather = forecast.find("symbol").attrib.get("name")
temperature = forecast.find("temperature").attrib.get("value")
wind_direction = forecast.find("windDirection").attrib.get("code")
wind_speed = forecast.find("windSpeed").attrib.get("mps")
precipitation = forecast.find("precipitation").attrib.get("value")
# Night time?
is_night = 0
now = datetime.datetime.now()
if rise_fall_available:
# Use sun rise and fall time to determine.
sun_rise = datetime.datetime.strptime(sun_rise_time, "%H:%M")
sun_set = datetime.datetime.strptime(sun_set_time, "%H:%M")
is_night = 1 if now.time() < sun_rise.time() or sun_set.time() < now.time() else 0
else:
# No rise/fall time available. Approximate daytime as [07:00 - 21:00].
sun_rise = datetime.datetime.strptime("07:00", "%H:%M")
sun_set = datetime.datetime.strptime("21:00", "%H:%M")
is_night = 1 if now.time() < sun_rise.time() or sun_set.time() < now.time() else 0
# Print the weather.
if weather in WEATHER_TYPES:
# Emoji is avaiable for usage.
print(weather + ": " + WEATHER_TYPES.get(weather)[is_night] + " ", end="")
else:
# No emoji available, use regular text.
print(weather + " ", end="")
# Print the temperature and sun times.
print(temperature, end="°C ")
# Print the sun rise and set time.
if rise_fall_available:
2021-11-13 22:37:47 +01:00
#print("[" + sun_rise_time + " 🌅 " + sun_set_time + "]", end=" ")
print("[""WE""]", end=" ")
2021-11-13 19:24:20 +01:00
# Print the precipitation (if there is any).
if precipitation != "0":
# Print with a wet umbrella
print("| ☔ " + precipitation + "mm", end=" ")
# Print wind data.
print("| 🍃 " + wind_speed + "m/s " + "(" + wind_direction + ")", end="")
# Go gadget, go!
main()