294 lines
11 KiB
Python
294 lines
11 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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"""
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Weather module for Inky-Calendar software. In development...
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The lunar phase calculation algorithm was taken from Michael Bishop
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from Github after being granted permission. Thanks, Michael Bishop for your
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awesome code!
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Copyright by aceisace
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"""
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from __future__ import print_function
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import pyowm
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from settings import *
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from configuration import *
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from PIL import Image, ImageDraw, ImageFont
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import arrow
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import math, decimal
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dec = decimal.Decimal
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print('Initialising weather...', end=' ')
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owm = pyowm.OWM(api_key, language=language)
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print('Done')
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"""Icon-code to unicode dictionary for weather-font"""
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weathericons = {
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'01d': '\uf00d', '02d': '\uf002', '03d': '\uf013',
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'04d': '\uf012', '09d': '\uf01a', '10d': '\uf019',
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'11d': '\uf01e', '13d': '\uf01b', '50d': '\uf014',
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'01n': '\uf02e', '02n': '\uf013', '03n': '\uf013',
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'04n': '\uf013', '09n': '\uf037', '10n': '\uf036',
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'11n': '\uf03b', '13n': '\uf038', '50n': '\uf023'
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}
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"""Add a border to increase readability"""
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border_top = int(top_section_height * 0.05)
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border_left = int(top_section_width * 0.02)
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"""Calculate size for each weather sub-section"""
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row_height = (top_section_height-(border_top*2)) // 3
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coloumn_width = (top_section_width-(border_left*2)) // 7
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"""Calculate paddings"""
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x_padding = int( (top_section_width % coloumn_width) / 2 )
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y_padding = int( (top_section_height % row_height) / 2 )
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"""Allocate sizes for weather icons"""
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icon_small = row_height
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icon_medium = row_height * 2
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"""Calculate the x-axis position of each coloumn"""
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coloumn1 = x_padding
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coloumn2 = coloumn1 + coloumn_width
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coloumn3 = coloumn2 + coloumn_width
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coloumn4 = coloumn3 + coloumn_width
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coloumn5 = coloumn4 + coloumn_width
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coloumn6 = coloumn5 + coloumn_width
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coloumn7 = coloumn6 + coloumn_width
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"""Calculate the y-axis position of each row"""
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row1 = y_padding
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row2 = row1 + row_height
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row3 = row2 + row_height
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"""Allocate positions for current weather details"""
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text_now_pos = (coloumn1, row1)
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weather_icon_now_pos = (coloumn1, row2)
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temperature_icon_now_pos = (coloumn2, row1)
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temperature_now_pos = (coloumn2+icon_small, row1)
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humidity_icon_now_pos = (coloumn2, row2)
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humidity_now_pos = (coloumn2+icon_small, row2)
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windspeed_icon_now_pos = (coloumn2, row3)
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windspeed_now_pos = (coloumn2+icon_small, row3)
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moon_phase_now_pos = (coloumn3, row1)
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sunrise_icon_now_pos = (coloumn3, row2)
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sunrise_time_now_pos = (coloumn3+icon_small, row2)
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sunset_icon_now_pos = (coloumn3, row3)
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sunset_time_now_pos = (coloumn3+ icon_small, row3)
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"""Allocate positions for weather forecast after 3 hours"""
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text_3h_pos = (coloumn4, row1)
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icon_3h_pos = (coloumn4, row2)
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temperature_3h_pos = (coloumn4, row3)
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"""Allocate positions for weather forecast after 6 hours"""
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text_6h_pos = (coloumn5, row1)
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icon_6h_pos = (coloumn5, row2)
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temperature_6h_pos = (coloumn5, row3)
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"""Allocate positions for weather forecast after 9 hours"""
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text_9h_pos = (coloumn6, row1)
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icon_9h_pos = (coloumn6, row2)
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temperature_9h_pos = (coloumn6, row3)
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"""Allocate positions for weather forecast after 12 hours"""
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text_12h_pos = (coloumn7, row1)
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icon_12h_pos = (coloumn7, row2)
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temperature_12h_pos = (coloumn7, row3)
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"""Windspeed (m/s) to beaufort (index of list) conversion"""
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windspeed_to_beaufort = [0.02, 1.5, 3.3, 5.4, 7.9, 10.7, 13.8, 17.1, 20.7,
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24.4, 28.4, 32.6, 100]
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"""Function to convert tempertures from kelvin to celcius or fahrenheit"""
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def to_units(kelvin):
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if units == 'metric':
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conversion = str(int(kelvin - 273.15)) + '°C'
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else:
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conversion = str(int((kelvin - 273.15) * 9/5 + 32)) + 'F'
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return conversion
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"""Function to convert time objects to specified format 12/24 hours"""
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"""Simple means just the hour and if 12 hours, am/pm as well"""
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def to_hours(datetime_object, simple = False):
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if hours == '24':
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if simple == True:
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converted_time = datetime_object.format('H')
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else:
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converted_time = datetime_object.format('HH:mm')
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else:
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if simple == True:
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converted_time = datetime_object.format('H a')
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else:
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converted_time = datetime_object.format('hh:mm')
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return str(converted_time)
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#def main():
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try:
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"""Connect to Openweathermap API and fetch weather data"""
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if top_section == "Weather" and api_key != "" and owm.is_API_online() is True:
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#try:
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print("Fetching weather data from openweathermap API...",end = ' ')
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current_weather_setup = owm.weather_at_place(location)
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weather = current_weather_setup.get_weather()
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"""Set-up and get weather forecast data"""
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forecast = owm.three_hours_forecast(location)
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print("Done")
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"""Round the hour to the nearest multiple of 3"""
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now = arrow.now(tz=get_tz())
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hour_gap = (now.hour % 3)
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"""Prepare timings for forecasts"""
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in_3h = now.replace(hours = + hour_gap + 3)
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in_6h = now.replace(hours = + hour_gap + 6)
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in_9h = now.replace(hours = + hour_gap + 9)
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in_12h = now.replace(hours = + hour_gap + 12)
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"""Prepare forecast objects for the specified timings"""
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forecast_3h = forecast.get_weather_at(in_3h.datetime)
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forecast_6h = forecast.get_weather_at(in_6h.datetime)
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forecast_9h = forecast.get_weather_at(in_9h.datetime)
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forecast_12h = forecast.get_weather_at(in_12h.datetime)
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"""Get the current temperature and forcasts temperatures"""
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temperature_now = to_units(weather.get_temperature()['temp'])
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temperature_3h = to_units(forecast_3h.get_temperature()['temp'])
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temperature_6h = to_units(forecast_6h.get_temperature()['temp'])
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temperature_9h = to_units(forecast_9h.get_temperature()['temp'])
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temperature_12h = to_units(forecast_12h.get_temperature()['temp'])
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"""Get current and forecast weather icon names"""
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weather_icon_now = weather.get_weather_icon_name()
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weather_icon_3h = forecast_3h.get_weather_icon_name()
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weather_icon_6h = forecast_6h.get_weather_icon_name()
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weather_icon_9h = forecast_9h.get_weather_icon_name()
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weather_icon_12h = forecast_12h.get_weather_icon_name()
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"""Parse current weather details"""
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sunrise_time_now = arrow.get(weather.get_sunrise_time()).to(get_tz())
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sunset_time_now = arrow.get(weather.get_sunset_time()).to(get_tz())
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humidity_now = str(weather.get_humidity())
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cloudstatus_now = str(weather.get_clouds())
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weather_description_now = str(weather.get_detailed_status())
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windspeed_now = weather.get_wind(unit='meters_sec')['speed']
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beaufort = str([windspeed_to_beaufort.index(_) for _ in windspeed_to_beaufort
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if windspeed_now < _][0])
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"""Calculate the moon phase"""
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def get_moon_phase():
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diff = now - arrow.get(2001, 1, 1)
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days = dec(diff.days) + (dec(diff.seconds) / dec(86400))
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lunations = dec("0.20439731") + (days * dec("0.03386319269"))
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position = lunations % dec(1)
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index = math.floor((position * dec(8)) + dec("0.5"))
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return {0: '\uf095',1: '\uf099',2: '\uf09c',3: '\uf0a0',
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4: '\uf0a3',5: '\uf0a7',6: '\uf0aa',7: '\uf0ae' }[int(index) & 7]
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moonphase = get_moon_phase()
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print('Adding weather details on the image...', end = ' ')
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"""Add weather details in column 1"""
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write_text(coloumn_width, row_height, 'now', text_now_pos)
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write_text(icon_medium, icon_medium, weathericons[weather_icon_now],
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weather_icon_now_pos, font = w_font, adapt_fontsize = True)
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"""Add weather details in column 2"""
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write_text(icon_small, icon_small, '\uf053', temperature_icon_now_pos,
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font = w_font, adapt_fontsize = True)
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write_text(icon_small, icon_small, '\uf07a', humidity_icon_now_pos,
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font = w_font, adapt_fontsize = True)
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write_text(icon_small, icon_small, '\uf050', windspeed_icon_now_pos,
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font = w_font, adapt_fontsize = True)
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write_text(coloumn_width-icon_small, row_height,
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temperature_now, temperature_now_pos)
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write_text(coloumn_width-icon_small, row_height, humidity_now+'%',
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humidity_now_pos)
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write_text(coloumn_width-icon_small, row_height, beaufort,
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windspeed_now_pos)
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"""Add weather details in column 3"""
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write_text(coloumn_width, row_height, moonphase , moon_phase_now_pos,
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font = w_font, adapt_fontsize = True)
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write_text(icon_small, icon_small, '\uf051', sunrise_icon_now_pos,
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font = w_font, adapt_fontsize = True)
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write_text(icon_small, icon_small, '\uf052', sunset_icon_now_pos,
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font = w_font, adapt_fontsize = True)
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write_text(coloumn_width-icon_small, row_height, to_hours(sunrise_time_now),
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sunrise_time_now_pos)
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write_text(coloumn_width-icon_small, row_height, to_hours(sunset_time_now),
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sunset_time_now_pos)
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"""Add weather details in column 4"""
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write_text(coloumn_width, row_height, to_hours(in_3h, simple=True),
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text_3h_pos)
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write_text(coloumn_width, row_height, weathericons[weather_icon_3h],
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icon_3h_pos, font = w_font, adapt_fontsize = True)
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write_text(coloumn_width, row_height, temperature_3h,
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temperature_3h_pos)
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"""Add weather details in column 5"""
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write_text(coloumn_width, row_height, to_hours(in_6h, simple=True),
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text_6h_pos)
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write_text(coloumn_width, row_height, weathericons[weather_icon_6h],
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icon_6h_pos, font = w_font, adapt_fontsize = True)
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write_text(coloumn_width, row_height, temperature_6h,
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temperature_6h_pos)
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"""Add weather details in column 6"""
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write_text(coloumn_width, row_height, to_hours(in_9h, simple=True),
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text_9h_pos)
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write_text(coloumn_width, row_height, weathericons[weather_icon_9h],
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icon_9h_pos, font = w_font, adapt_fontsize = True)
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write_text(coloumn_width, row_height, temperature_9h,
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temperature_9h_pos)
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"""Add weather details in column 7"""
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write_text(coloumn_width, row_height, to_hours(in_12h, simple=True),
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text_12h_pos)
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write_text(coloumn_width, row_height, weathericons[weather_icon_12h],
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icon_12h_pos, font = w_font, adapt_fontsize = True)
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write_text(coloumn_width, row_height, temperature_12h,
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temperature_12h_pos)
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"""Add seperators between section4 and section7"""
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draw = ImageDraw.Draw(image)
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line_start_y = int(top_section_height*0.1)
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line_end_y = int(top_section_height*0.9)
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draw.line((coloumn4, line_start_y, coloumn4, line_end_y), fill='black')
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draw.line((coloumn5, line_start_y, coloumn5, line_end_y), fill='black')
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draw.line((coloumn6, line_start_y, coloumn6, line_end_y), fill='black')
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draw.line((coloumn7, line_start_y, coloumn7, line_end_y), fill='black')
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draw.line((0, top_section_height-border_top, top_section_width-border_left,
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top_section_height-border_top), fill='red', width=3)
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print('Done'+'\n')
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image.crop((0,0, top_section_width, top_section_height)).save('weather.png')
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except Exception as e:
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"""If no response was received from the openweathermap
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api server, add the cloud with question mark"""
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print('__________OWM-ERROR!__________')
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print('Reason: ',e)
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write_text(icon_medium, icon_medium, '\uf07b', weather_icon_now_pos,
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font = w_font, adapt_fontsize = True)
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message = 'No internet connectivity or API timeout'
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write_text(coloumn_width*6, row_height, message, humidity_icon_now_pos)
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pass
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#if __name__ == '__main__':
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#main()
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