#!/usr/bin/python3
# -*- coding: utf-8 -*-
"""
Weather module for Inky-Calendar software.
The lunar phase calculation is from Sean B. Palmer, inamidst.com.
Thank You Palmer for the awesome code!
Copyright by aceisace
"""
from __future__ import print_function
import pyowm
from settings import *
from configuration import *
from PIL import Image, ImageDraw, ImageFont
import arrow
import math, decimal
dec = decimal.Decimal
"""Optional parameters"""
round_temperature = True
round_windspeed = True
use_beaufort = True
show_wind_direction = False
use_wind_direction_icon = False
now_str = 'now'
"""Set the optional parameters"""
decimal_places_temperature = None if round_temperature == True else 1
decimal_places_windspeed = None if round_windspeed == True else 1
print('Initialising weather...', end=' ')
owm = pyowm.OWM(api_key, language=language)
print('Done')
"""Icon-code to unicode dictionary for weather-font"""
weathericons = {
'01d': '\uf00d', '02d': '\uf002', '03d': '\uf013',
'04d': '\uf012', '09d': '\uf01a', '10d': '\uf019',
'11d': '\uf01e', '13d': '\uf01b', '50d': '\uf014',
'01n': '\uf02e', '02n': '\uf013', '03n': '\uf013',
'04n': '\uf013', '09n': '\uf037', '10n': '\uf036',
'11n': '\uf03b', '13n': '\uf038', '50n': '\uf023'
}
"""Add a border to increase readability"""
border_top = int(top_section_height * 0.05)
border_left = int(top_section_width * 0.02)
"""Calculate size for each weather sub-section"""
row_height = (top_section_height-(border_top*2)) // 3
coloumn_width = (top_section_width-(border_left*2)) // 7
"""Calculate paddings"""
x_padding = int( (top_section_width % coloumn_width) / 2 )
y_padding = int( (top_section_height % row_height) / 2 )
"""Allocate sizes for weather icons"""
icon_small = row_height
icon_medium = row_height * 2
"""Calculate the x-axis position of each coloumn"""
coloumn1 = x_padding
coloumn2 = coloumn1 + coloumn_width
coloumn3 = coloumn2 + coloumn_width
coloumn4 = coloumn3 + coloumn_width
coloumn5 = coloumn4 + coloumn_width
coloumn6 = coloumn5 + coloumn_width
coloumn7 = coloumn6 + coloumn_width
"""Calculate the y-axis position of each row"""
row1 = y_padding
row2 = row1 + row_height
row3 = row2 + row_height
"""Allocate positions for current weather details"""
text_now_pos = (coloumn1, row1)
weather_icon_now_pos = (coloumn1, row2)
temperature_icon_now_pos = (coloumn2, row1)
temperature_now_pos = (coloumn2+icon_small, row1)
humidity_icon_now_pos = (coloumn2, row2)
humidity_now_pos = (coloumn2+icon_small, row2)
windspeed_icon_now_pos = (coloumn2, row3)
windspeed_now_pos = (coloumn2+icon_small, row3)
moon_phase_now_pos = (coloumn3, row1)
sunrise_icon_now_pos = (coloumn3, row2)
sunrise_time_now_pos = (coloumn3+icon_small, row2)
sunset_icon_now_pos = (coloumn3, row3)
sunset_time_now_pos = (coloumn3+ icon_small, row3)
"""Allocate positions for weather forecast after 3 hours"""
text_fc1_pos = (coloumn4, row1)
icon_fc1_pos = (coloumn4, row2)
temperature_fc1_pos = (coloumn4, row3)
"""Allocate positions for weather forecast after 6 hours"""
text_fc2_pos = (coloumn5, row1)
icon_fc2_pos = (coloumn5, row2)
temperature_fc2_pos = (coloumn5, row3)
"""Allocate positions for weather forecast after 9 hours"""
text_fc3_pos = (coloumn6, row1)
icon_fc3_pos = (coloumn6, row2)
temperature_fc3_pos = (coloumn6, row3)
"""Allocate positions for weather forecast after 12 hours"""
text_fc4_pos = (coloumn7, row1)
icon_fc4_pos = (coloumn7, row2)
temperature_fc4_pos = (coloumn7, row3)
"""Windspeed (m/s) to beaufort (index of list) conversion"""
windspeed_to_beaufort = [0.02, 1.5, 3.3, 5.4, 7.9, 10.7, 13.8, 17.1, 20.7,
24.4, 28.4, 32.6, 100]
def to_units(kelvin):
"""Function to convert tempertures from kelvin to celcius or fahrenheit"""
degrees_celsius = round(kelvin - 273.15, ndigits = decimal_places_temperature)
fahrenheit = round((kelvin - 273.15) * 9/5 + 32,
ndigits = decimal_places_temperature)
if units == 'metric':
conversion = str(degrees_celsius) + '°C'
if units == 'imperial':
conversion = str(fahrenheit) + 'F'
return conversion
def red_temp(negative_temperature):
if display_type == 'colour' and negative_temperature[0] == '-' and units == 'metric':
colour = 'red'
else:
colour = 'black'
return colour
"""Function to convert time objects to specified format 12/24 hours"""
"""Simple means just the hour and if 12 hours, am/pm as well"""
def to_hours(datetime_object, simple = False):
if hours == '24':
if simple == True:
converted_time = datetime_object.format('H') + '.00'
else:
converted_time = datetime_object.format('HH:mm')
else:
if simple == True:
converted_time = datetime_object.format('H a')
else:
converted_time = datetime_object.format('hh:mm')
return str(converted_time)
"""Choose font optimised for the weather section"""
fontsize = 8
font = ImageFont.truetype(NotoSans+'Medium.ttf', fontsize)
fill_height = 0.8
while font.getsize('hg')[1] <= (row_height * fill_height):
fontsize += 1
font = ImageFont.truetype(NotoSans+'.ttf', fontsize)
def main():
"""Connect to Openweathermap API and fetch weather data"""
if top_section == "Weather" and api_key != "" and owm.is_API_online() is True:
try:
clear_image('top_section')
print('Weather module: Connectivity check passed, Generating image...',
end = '')
current_weather_setup = owm.weather_at_place(location)
weather = current_weather_setup.get_weather()
"""Set-up and get weather forecast data"""
forecast = owm.three_hours_forecast(location)
"""Round the hour to the nearest multiple of 3"""
now = arrow.now(tz=get_tz())
if (now.hour % 3) != 0:
hour_gap = 3 - (now.hour % 3)
else:
hour_gap = 3
"""Prepare timings for forecasts"""
fc1 = now.replace(hours = + hour_gap)
fc2 = now.replace(hours = + hour_gap + 3)
fc3 = now.replace(hours = + hour_gap + 6)
fc4 = now.replace(hours = + hour_gap + 9)
"""Prepare forecast objects for the specified timings"""
forecast_fc1 = forecast.get_weather_at(fc1.datetime)
forecast_fc2 = forecast.get_weather_at(fc2.datetime)
forecast_fc3 = forecast.get_weather_at(fc3.datetime)
forecast_fc4 = forecast.get_weather_at(fc4.datetime)
"""Get the current temperature and forcasts temperatures"""
temperature_now = to_units(weather.get_temperature()['temp'])
temperature_fc1 = to_units(forecast_fc1.get_temperature()['temp'])
temperature_fc2 = to_units(forecast_fc2.get_temperature()['temp'])
temperature_fc3 = to_units(forecast_fc3.get_temperature()['temp'])
temperature_fc4 = to_units(forecast_fc4.get_temperature()['temp'])
"""Get current and forecast weather icon names"""
weather_icon_now = weather.get_weather_icon_name()
weather_icon_fc1 = forecast_fc1.get_weather_icon_name()
weather_icon_fc2 = forecast_fc2.get_weather_icon_name()
weather_icon_fc3 = forecast_fc3.get_weather_icon_name()
weather_icon_fc4 = forecast_fc4.get_weather_icon_name()
"""Parse current weather details"""
sunrise_time_now = arrow.get(weather.get_sunrise_time()).to(get_tz())
sunset_time_now = arrow.get(weather.get_sunset_time()).to(get_tz())
humidity_now = str(weather.get_humidity())
cloudstatus_now = str(weather.get_clouds())
weather_description_now = str(weather.get_detailed_status())
windspeed_now = weather.get_wind(unit='meters_sec')['speed']
wind_degrees = forecast_fc1.get_wind()['deg']
wind_direction = ["N","NE","E","SE","S","SW","W","NW"][round(
wind_degrees/45) % 8]
if use_beaufort == True:
wind = str([windspeed_to_beaufort.index(_) for _ in
windspeed_to_beaufort if windspeed_now < _][0])
else:
meters_sec = round(windspeed_now, ndigits = windspeed_decimal_places)
miles_per_hour = round(windspeed_now * 2,23694,
ndigits = windspeed_decimal_places)
if units == 'metric':
wind = str(meters_sec) + 'm/s'
if units == 'imperial':
wind = str(miles_per_hour) + 'mph'
if show_wind_direction == True:
wind += '({0})'.format(wind_direction)
"""Calculate the moon phase"""
def get_moon_phase():
diff = now - arrow.get(2001, 1, 1)
days = dec(diff.days) + (dec(diff.seconds) / dec(86400))
lunations = dec("0.20439731") + (days * dec("0.03386319269"))
position = lunations % dec(1)
index = math.floor((position * dec(8)) + dec("0.5"))
return {0: '\uf095',1: '\uf099',2: '\uf09c',3: '\uf0a0',
4: '\uf0a3',5: '\uf0a7',6: '\uf0aa',7: '\uf0ae' }[int(index) & 7]
moonphase = get_moon_phase()
"""Add weather details in column 1"""
write_text(coloumn_width, row_height, now_str, text_now_pos, font = font)
write_text(icon_medium, icon_medium, weathericons[weather_icon_now],
weather_icon_now_pos, font = w_font, fill_width = 0.9)
"""Add weather details in column 2"""
write_text(icon_small, icon_small, '\uf053', temperature_icon_now_pos,
font = w_font, fill_height = 0.9)
write_text(icon_small, icon_small, '\uf07a', humidity_icon_now_pos,
font = w_font, fill_height = 0.9)
if use_wind_direction_icon == False:
write_text(icon_small, icon_small, '\uf050', windspeed_icon_now_pos,
font = w_font, fill_height = 0.9)
else:
write_text(icon_small, icon_small, '\uf0b1', windspeed_icon_now_pos,
font = w_font, fill_height = 0.9, rotation = -wind_degrees)
write_text(coloumn_width-icon_small, row_height,
temperature_now, temperature_now_pos, font = font, colour =
red_temp(temperature_now))
write_text(coloumn_width-icon_small, row_height, humidity_now+'%',
humidity_now_pos, font = font)
write_text(coloumn_width-icon_small, row_height, wind,
windspeed_now_pos, font = font, autofit = True)
"""Add weather details in column 3"""
write_text(coloumn_width, row_height, moonphase , moon_phase_now_pos,
font = w_font, fill_height = 0.9)
write_text(icon_small, icon_small, '\uf051', sunrise_icon_now_pos,
font = w_font, fill_height = 0.9)
write_text(icon_small, icon_small, '\uf052', sunset_icon_now_pos,
font = w_font, fill_height = 0.9)
write_text(coloumn_width-icon_small, row_height,
to_hours(sunrise_time_now), sunrise_time_now_pos, font = font,
fill_width = 0.9)
write_text(coloumn_width-icon_small, row_height,
to_hours(sunset_time_now), sunset_time_now_pos, font = font,
fill_width = 0.9)
"""Add weather details in column 4 (forecast 1)"""
write_text(coloumn_width, row_height, to_hours(fc1, simple=True),
text_fc1_pos, font = font)
write_text(coloumn_width, row_height, weathericons[weather_icon_fc1],
icon_fc1_pos, font = w_font, fill_height = 1.0)
write_text(coloumn_width, row_height, temperature_fc1,
temperature_fc1_pos, font = font, colour = red_temp(
temperature_fc1))
"""Add weather details in column 5 (forecast 2)"""
write_text(coloumn_width, row_height, to_hours(fc2, simple=True),
text_fc2_pos, font = font)
write_text(coloumn_width, row_height, weathericons[weather_icon_fc2],
icon_fc2_pos, font = w_font, fill_height = 1.0)
write_text(coloumn_width, row_height, temperature_fc2,
temperature_fc2_pos, font = font, colour = red_temp(
temperature_fc2))
"""Add weather details in column 6 (forecast 3)"""
write_text(coloumn_width, row_height, to_hours(fc3, simple=True),
text_fc3_pos, font = font)
write_text(coloumn_width, row_height, weathericons[weather_icon_fc3],
icon_fc3_pos, font = w_font, fill_height = 1.0)
write_text(coloumn_width, row_height, temperature_fc3,
temperature_fc3_pos, font = font, colour = red_temp(
temperature_fc3))
"""Add weather details in coloumn 7 (forecast 4)"""
write_text(coloumn_width, row_height, to_hours(fc4, simple=True),
text_fc4_pos, font = font)
write_text(coloumn_width, row_height, weathericons[weather_icon_fc4],
icon_fc4_pos, font = w_font, fill_height = 1.0)
write_text(coloumn_width, row_height, temperature_fc4,
temperature_fc4_pos, font = font, colour = red_temp(
temperature_fc4))
"""Add vertical lines between forecast sections"""
draw = ImageDraw.Draw(image)
line_start_y = int(top_section_height*0.1)
line_end_y = int(top_section_height*0.9)
draw.line((coloumn4, line_start_y, coloumn4, line_end_y), fill='black')
draw.line((coloumn5, line_start_y, coloumn5, line_end_y), fill='black')
draw.line((coloumn6, line_start_y, coloumn6, line_end_y), fill='black')
draw.line((coloumn7, line_start_y, coloumn7, line_end_y), fill='black')
draw.line((0, top_section_height-border_top, top_section_width-
border_left, top_section_height-border_top),
fill='red' if display_type == 'colour' else 'black' , width=3)
weather_image = crop_image(image, 'top_section')
weather_image.save(image_path+'weather.png')
print('Done')
except Exception as e:
"""If no response was received from the openweathermap
api server, add the cloud with question mark"""
print('__________OWM-ERROR!__________')
print('Reason: ',e)
write_text(icon_medium, icon_medium, '\uf07b', weather_icon_now_pos,
font = w_font, fill_height = 1.0)
message = 'No internet connectivity or API timeout'
write_text(coloumn_width*6, row_height, message, humidity_icon_now_pos,
font = font)
weather_image = crop_image(image, 'top_section')
weather_image.save(image_path+'weather.png')
pass
if __name__ == '__main__':
main()