weather api working -> 2025-01-27 17:49:29

.gitignore

@@ -1,3 +1,7 @@
+# Specific for my project
+.cache.sqlite
+
+# Python generic .gitignore
 # Byte-compiled / optimized / DLL files
 __pycache__/
 *.py[cod]

config.json

@@ -1,9 +1,16 @@
 {
   "isDisplayConected": false,
+
   "screenWidth": 250,
   "screenHeight": 122,
   "imageWidth": 250,
   "imageHeight": 122,
   "rotateAngle": 180,
-  "hourFormat": "12h"
+
+  "hourFormat": "12h",
+
+  "latitude": 40.4084,
+  "longitude": -3.6876,
+  "timezone": "Europe/Madrid",
+  "locales": "es_ES.UTF-8"
 }

raspagenda.py

@@ -11,12 +11,15 @@ CSS stylesheets in the "render" folder.
 import datetime as dt
 import os
 import sys
+import locale
 
 
 import json
 import logging
 from PIL import Image,ImageDraw,ImageFont
 
+from weather.weather import WeatherHelper
+
 
 def main():
     # Basic configuration settings (user replaceable)
@@ -26,45 +29,90 @@ def main():
 
 
     isDisplayConected = config['isDisplayConected']  # set to true when debugging rendering without displaying to screen
-    screenWidth = config['screenWidth']  # Width of E-Ink display. Default is landscape. Need to rotate image to fit.
+    screenWidth       = config['screenWidth']  # Width of E-Ink display. Default is landscape. Need to rotate image to fit.
-    screenHeight = config['screenHeight']  # Height of E-Ink display. Default is landscape. Need to rotate image to fit.
+    screenHeight      = config['screenHeight']  # Height of E-Ink display. Default is landscape. Need to rotate image to fit.
-    imageWidth = config['imageWidth']  # Width of image to be generated for display.
+    imageWidth        = config['imageWidth']  # Width of image to be generated for display.
-    imageHeight = config['imageHeight'] # Height of image to be generated for display.
+    imageHeight       = config['imageHeight'] # Height of image to be generated for display.
-    rotateAngle = config['rotateAngle']  # If image is rendered in portrait orientation, angle to rotate to fit screen
+    rotateAngle       = config['rotateAngle']  # If image is rendered in portrait orientation, angle to rotate to fit screen
-    hourFormat = config['hourFormat'] # The format the hour will be displayed. eg. 13:02 or 01:02 PM
+    hourFormat        = config['hourFormat'] # The format the hour will be displayed. eg. 13:02 or 01:02 PM
+    latitude          = config['latitude'] # A float. The latitude for the Weather API.
+    longitude         = config['longitude'] # A float. The longitude for the Weather API.
+    timezone          = config['timezone'] # The timezone is necesary for the Weather API
+    locales            = config['locales'] # Set the locales for the month name
 
+    weatherService = WeatherHelper(latitude, longitude, timezone)
+    weather_data = weatherService.fetch_open_meteo_data()
+
+    locale.setlocale(locale.LC_TIME, locales)
+    
     # Set the hour, this is important to see what time the e-Paper has been syncronized
     if hourFormat == "12h":
         time = dt.datetime.now().strftime("%I:%M %p")   
     else:
         time = dt.datetime.now().strftime("%H:%M")
 
+    day = dt.datetime.now().strftime("%A, %d %b")
+
 
     assets = os.path.join(os.path.dirname(os.path.realpath(__file__)), 'assets')
+    weather_icons = os.path.join(assets, 'weather-icons')
     fonts = os.path.join(assets, 'fonts')
     # Drawing on the image
-    font15 = ImageFont.truetype(os.path.join(fonts, 'wavesharefont.ttc'), 15)
-    font24 = ImageFont.truetype(os.path.join(fonts, 'wavesharefont.ttc'), 24)
     font8 = ImageFont.truetype(os.path.join(os.path.join(fonts, 'pixel_operator'), 'PixelOperator8.ttf'), 8)
     font16 = ImageFont.truetype(os.path.join(os.path.join(fonts, 'pixel_operator'), 'PixelOperator.ttf'), 16)
     font16_bold = ImageFont.truetype(os.path.join(os.path.join(fonts, 'pixel_operator'), 'PixelOperator-Bold.ttf'), 16)
 
 
 
-    #image = Image.open('assets/test4.bmp')
     image = Image.new('1', (imageWidth, imageHeight), 255)  # 255: clear the frame    
     draw = ImageDraw.Draw(image)
 
-    draw.text((0, 0), time, font = font16_bold, fill = 0) # draw the current time in the top left corner
+    draw.text((0, 0), f"{day}. {time}", font = font16_bold, fill = 0) # draw the current time in the top left corner
 
-    draw.line([(0,16),(250,16)], fill = 0,width = 2)
+    # Frames
-    draw.line([(125,16),(125,122)], fill = 0,width = 2)
+    draw.line([(0,16),(250,16)], fill = 0,width = 2) # Draw a line below the date
+    draw.line([(90,17),(90,122)], fill = 0,width = 2) # Line dividing the screeen in two parts
 
-    cal_icon = Image.open(os.path.join(assets, "cal-icon3.bmp"))
 
-    image.paste(cal_icon, (129,20))
+    # Calendar icon
+    cal_coordinates_x = 207
+    cal_coordinates_y = 2
 
-    draw.text((160, 26), 'Agenda', font = font16_bold, fill = 0)
+    cal_icon = Image.open(os.path.join(assets, "cal-icon3.bmp")) # calendar icon
+    # This seems complicates, but it just draw a white rectangle bellow the calendar
+    draw.rectangle([(cal_coordinates_x-2, cal_coordinates_y),(cal_coordinates_x + 28, cal_coordinates_y + 30)], fill = 255)
+    image.paste(cal_icon, (cal_coordinates_x, cal_coordinates_y))
+
+    # LEFT SEGMENT (WEATHER)
+    # Todays information
+    today_icon = weatherService.iconize_weather(weather_data["current_weather_code"])
+    today_icon = Image.open(os.path.join(weather_icons, today_icon))
+    image.paste(today_icon, (29,20))
+
+    today_temperature = f"{str(weather_data['current_temperature_2m'])}°"
+    draw.text((66,28), today_temperature, font = font16_bold, fill = 0) # The tomorrows temperature is bellow the icon
+
+
+    #draw.text((160, 26), 'Agenda', font = font16_bold, fill = 0)
+
+    # All the tomorrows information
+    tomorrow_icon = weatherService.iconize_weather(weather_data["tomorrow_weather_code"])
+    tomorrow_icon = Image.open(os.path.join(weather_icons, tomorrow_icon))
+    image.paste(tomorrow_icon, (6,74)) # The icon is in the bottom left corner
+
+    tomorrow_temperature = f"{str(weather_data['tomorrow_temperature_2m_max'])}/{str(weather_data['tomorrow_temperature_2m_min'])}°"
+    draw.text((6,106), tomorrow_temperature, font = font16_bold, fill = 0) # The tomorrows temperature is bellow the icon
+
+    # All the day after tomorrows information
+    day_after_icon = weatherService.iconize_weather(weather_data["day_after_weather_code"])
+    day_after_icon = Image.open(os.path.join(weather_icons, day_after_icon))
+    image.paste(day_after_icon, (52,74))
+
+    day_after_temperature = f"{str(weather_data['day_after_temperature_2m_max'])}/{str(weather_data['day_after_temperature_2m_min'])}°"
+    draw.text((52,106), day_after_temperature, font = font16_bold, fill = 0)
+
+    # RIGHT SEGMENT (CALENDAR/AGENDA)
+    # TODO: writing this part and also the logic part
 
     # draw.line([(0,50),(50,0)], fill = 0,width = 1)
     # draw.chord((10, 60, 50, 100), 0, 360, fill = 0)
@@ -78,7 +126,6 @@ def main():
     image.save(os.path.join(assets, 'output.bmp'))
 
 
-
     if isDisplayConected:
         from display.display import DisplayHelper
 

test/test_weather.py

@@ -0,0 +1,65 @@
+import openmeteo_requests
+
+import requests_cache
+import pandas as pd
+from retry_requests import retry
+
+# Setup the Open-Meteo API client with cache and retry on error
+cache_session = requests_cache.CachedSession('.cache', expire_after = 3600)
+retry_session = retry(cache_session, retries = 5, backoff_factor = 0.2)
+openmeteo = openmeteo_requests.Client(session = retry_session)
+
+# Make sure all required weather variables are listed here
+# The order of variables in hourly or daily is important to assign them correctly below
+url = "https://api.open-meteo.com/v1/forecast"
+params = {
+	"latitude": 40.408,
+	"longitude": -3.688,
+	"current": ["temperature_2m", "is_day", "weather_code"],
+	"daily": ["weather_code", "temperature_2m_max", "temperature_2m_min"],
+	"timezone": "Europe/Madrid",
+	"forecast_days": 3
+}
+responses = openmeteo.weather_api(url, params=params)
+
+# Process first location. Add a for-loop for multiple locations or weather models
+response = responses[0]
+print(f"Coordinates {response.Latitude()}°N {response.Longitude()}°E")
+print(f"Elevation {response.Elevation()} m asl")
+print(f"Timezone {response.Timezone()} {response.TimezoneAbbreviation()}")
+print(f"Timezone difference to GMT+0 {response.UtcOffsetSeconds()} s")
+
+
+# Current values. The order of variables needs to be the same as requested.
+current = response.Current()
+
+current_temperature_2m = current.Variables(0).Value()
+
+current_is_day = current.Variables(1).Value()
+
+current_weather_code = current.Variables(2).Value()
+
+print(f"Current time {current.Time()}")
+
+print(f"Current temperature_2m {current_temperature_2m}")
+print(f"Current is_day {current_is_day}")
+print(f"Current weather_code {current_weather_code}")
+# Process daily data. The order of variables needs to be the same as requested.
+daily = response.Daily()
+daily_weather_code = daily.Variables(0).ValuesAsNumpy()
+daily_temperature_2m_max = daily.Variables(1).ValuesAsNumpy()
+daily_temperature_2m_min = daily.Variables(2).ValuesAsNumpy()
+
+daily_data = {"date": pd.date_range(
+	start = pd.to_datetime(daily.Time(), unit = "s", utc = True),
+	end = pd.to_datetime(daily.TimeEnd(), unit = "s", utc = True),
+	freq = pd.Timedelta(seconds = daily.Interval()),
+	inclusive = "left"
+)}
+
+daily_data["weather_code"] = daily_weather_code
+daily_data["temperature_2m_max"] = daily_temperature_2m_max
+daily_data["temperature_2m_min"] = daily_temperature_2m_min
+
+daily_dataframe = pd.DataFrame(data = daily_data)
+print(daily_dataframe)

weather/weather.py

@@ -0,0 +1,148 @@
+#!/usr/bin python3
+# -*- coding: utf-8 -*-
+"""
+This part of the code exposes functions to fetch data from the open-meteo.com API.
+The bellow code is the generated by the https://open-meteo.com/en/docs itself.
+It has been slighly modified to return a dictionary with all the information nedeed.
+"""
+
+import openmeteo_requests
+
+import requests_cache
+#import pandas as pd
+from retry_requests import retry
+
+
+class WeatherHelper:
+
+    def __init__(self, latitude: float, longitude: float, timezone: str):
+        self.latitude = latitude
+        self.longitude = longitude
+        self.timezone = timezone
+        
+    def fetch_open_meteo_data(self) -> dict:
+
+        # Setup the Open-Meteo API client with cache and retry on error
+        cache_session = requests_cache.CachedSession('.cache', expire_after = 3600)
+        retry_session = retry(cache_session, retries = 5, backoff_factor = 0.2)
+        openmeteo = openmeteo_requests.Client(session = retry_session)
+
+        # Make sure all required weather variables are listed here
+        # The order of variables in hourly or daily is important to assign them correctly below
+        url = "https://api.open-meteo.com/v1/forecast"
+        params = {
+            "latitude": self.latitude,
+            "longitude": self.longitude,
+            "current": ["temperature_2m", "is_day", "weather_code"],
+            "daily": ["weather_code", "temperature_2m_max", "temperature_2m_min"],
+            "timezone": self.timezone,
+            "forecast_days": 3
+        }
+        responses = openmeteo.weather_api(url, params=params)
+
+        # Process first location. Add a for-loop for multiple locations or weather models
+        response = responses[0]
+        #print(f"Coordinates {response.Latitude()}°N {response.Longitude()}°E")
+        #print(f"Elevation {response.Elevation()} m asl")
+        #print(f"Timezone {response.Timezone()} {response.TimezoneAbbreviation()}")
+        #print(f"Timezone difference to GMT+0 {response.UtcOffsetSeconds()} s")
+
+
+        # Current values. The order of variables needs to be the same as requested.
+        current = response.Current()
+
+        current_temperature_2m = current.Variables(0).Value()
+
+        current_is_day = current.Variables(1).Value()
+
+        current_weather_code = current.Variables(2).Value()
+
+        #print(f"Current time {current.Time()}")
+
+        #print(f"Current temperature_2m {current_temperature_2m}")
+        #print(f"Current is_day {current_is_day}")
+        #print(f"Current weather_code {current_weather_code}")
+        # Process daily data. The order of variables needs to be the same as requested.
+        daily = response.Daily()
+        daily_weather_code = daily.Variables(0).ValuesAsNumpy()
+        daily_temperature_2m_max = daily.Variables(1).ValuesAsNumpy()
+        daily_temperature_2m_min = daily.Variables(2).ValuesAsNumpy()
+
+        #daily_data = {"date": pd.date_range(
+        #	start = pd.to_datetime(daily.Time(), unit = "s", utc = True),
+        #	end = pd.to_datetime(daily.TimeEnd(), unit = "s", utc = True),
+        #	freq = pd.Timedelta(seconds = daily.Interval()),
+        #	inclusive = "left"
+        #)}
+
+        #daily_data["weather_code"] = daily_weather_code
+        #daily_data["temperature_2m_max"] = daily_temperature_2m_max
+        #daily_data["temperature_2m_min"] = daily_temperature_2m_min
+
+        #daily_dataframe = pd.DataFrame(data = daily_data)
+        #print(daily_dataframe)
+
+        # Here we are creating the dictionary that will be returned
+        weather_data = {}
+
+        weather_data['current_temperature_2m'] = int(current_temperature_2m)
+        weather_data['current_is_day'] =         int(current_is_day)
+        weather_data['current_weather_code'] =   int(current_weather_code)
+
+        weather_data['tomorrow_temperature_2m_max'] = int(daily_temperature_2m_max[1])
+        weather_data['tomorrow_temperature_2m_min'] = int(daily_temperature_2m_min[1])
+        weather_data['tomorrow_weather_code'] =       int(daily_weather_code[1])
+
+        weather_data['day_after_temperature_2m_max'] = int(daily_temperature_2m_max[2])
+        weather_data['day_after_temperature_2m_min'] = int(daily_temperature_2m_min[2])
+        weather_data['day_after_weather_code'] =       int(daily_weather_code[2])
+
+        return weather_data
+    
+
+    def iconize_weather(self, weather_code: int) -> str:
+
+        # This are the WMO Weather interpretation codes (WW)
+        # More info in: https://open-meteo.com/en/docs at the end of the page.
+        # Here we only put the name of the icons, the path will be handle in main()
+
+        if weather_code >= 100:
+            weather_icon = "placeholder32.bmp"
+            return weather_icon
+        
+        if weather_code in [0]:
+            weather_icon = "sunny-icon32.bmp"
+        elif weather_code in [1, 2, 3]:
+            weather_icon = "None"
+        elif weather_code in [45, 48]:
+            weather_icon = "None"
+        elif weather_code in [51, 53, 55]:
+            weather_icon = "None"
+        elif weather_code in [56, 57]:
+            weather_icon = "None"
+        elif weather_code in [61, 63, 65]:
+            weather_icon = "None"
+        elif weather_code in [66, 67]:
+            weather_icon = "None"
+        elif weather_code in [71, 73, 75]:
+            weather_icon = "None"
+        elif weather_code in [77]:
+            weather_icon = "None"
+        elif weather_code in [80, 81, 82]:
+            weather_icon = "None"
+        elif weather_code in [85, 86]:
+            weather_icon = "None"
+        elif weather_code in [95]:
+            weather_icon = "None"
+        elif weather_code in [96, 99]:
+            weather_icon = "None"
+        else:
+            weather_icon = "None"
+        
+        # If there is no an icon for that code, search the next highest icon
+        if weather_icon == "None":
+            weather_icon = self.iconize_weather(weather_code + 1)
+        
+        return weather_icon
+           
+