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456 lines
21 KiB
Python
456 lines
21 KiB
Python
import requests
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import time
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from datetime import datetime
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from typing import Dict, Any, List
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from PIL import Image, ImageDraw
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from .weather_icons import WeatherIcons
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class WeatherManager:
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# Weather condition to larger colored icons (we'll use these as placeholders until you provide custom ones)
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WEATHER_ICONS = {
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'Clear': '🌞', # Larger sun with rays
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'Clouds': '☁️', # Cloud
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'Rain': '🌧️', # Rain cloud
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'Snow': '❄️', # Snowflake
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'Thunderstorm': '⛈️', # Storm cloud
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'Drizzle': '🌦️', # Sun behind rain cloud
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'Mist': '🌫️', # Fog
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'Fog': '🌫️', # Fog
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'Haze': '🌫️', # Fog
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'Smoke': '🌫️', # Fog
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'Dust': '🌫️', # Fog
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'Sand': '🌫️', # Fog
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'Ash': '🌫️', # Fog
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'Squall': '💨', # Dash symbol
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'Tornado': '🌪️' # Tornado
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}
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def __init__(self, config: Dict[str, Any], display_manager):
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self.config = config
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self.display_manager = display_manager
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self.weather_config = config.get('weather', {})
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self.location = config.get('location', {})
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self.last_update = 0
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self.weather_data = None
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self.forecast_data = None
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self.hourly_forecast = None
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self.daily_forecast = None
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self.last_draw_time = 0
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# Layout constants
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self.PADDING = 1
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self.ICON_SIZE = {
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'large': 28,
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'medium': 20,
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'small': 14
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}
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self.COLORS = {
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'text': (255, 255, 255),
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'highlight': (255, 200, 0),
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'separator': (64, 64, 64),
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'temp_high': (255, 100, 100),
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'temp_low': (100, 100, 255),
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'dim': (180, 180, 180),
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'extra_dim': (120, 120, 120) # Even dimmer for smallest text
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}
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# Add caching for last drawn states
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self.last_weather_state = None
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self.last_hourly_state = None
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self.last_daily_state = None
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def _fetch_weather(self) -> None:
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"""Fetch current weather and forecast data from OpenWeatherMap API."""
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api_key = self.weather_config.get('api_key')
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if not api_key:
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print("No API key configured for weather")
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return
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city = self.location['city']
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state = self.location['state']
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country = self.location['country']
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units = self.weather_config.get('units', 'imperial')
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# First get coordinates using geocoding API
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geo_url = f"http://api.openweathermap.org/geo/1.0/direct?q={city},{state},{country}&limit=1&appid={api_key}"
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try:
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# Get coordinates
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response = requests.get(geo_url)
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response.raise_for_status()
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geo_data = response.json()
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if not geo_data:
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print(f"Could not find coordinates for {city}, {state}")
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return
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lat = geo_data[0]['lat']
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lon = geo_data[0]['lon']
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# Get current weather and forecast using coordinates
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weather_url = f"https://api.openweathermap.org/data/2.5/weather?lat={lat}&lon={lon}&appid={api_key}&units={units}"
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forecast_url = f"https://api.openweathermap.org/data/2.5/forecast?lat={lat}&lon={lon}&appid={api_key}&units={units}"
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# Fetch current weather
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response = requests.get(weather_url)
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response.raise_for_status()
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self.weather_data = response.json()
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# Fetch forecast
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response = requests.get(forecast_url)
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response.raise_for_status()
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self.forecast_data = response.json()
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# Process forecast data
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self._process_forecast_data(self.forecast_data)
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self.last_update = time.time()
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print("Weather data updated successfully")
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except Exception as e:
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print(f"Error fetching weather data: {e}")
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self.weather_data = None
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self.forecast_data = None
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def _process_forecast_data(self, forecast_data: Dict[str, Any]) -> None:
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"""Process forecast data into hourly and daily forecasts."""
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if not forecast_data:
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return
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# Process hourly forecast (next 5 hours)
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hourly_list = forecast_data.get('list', [])[:5] # Changed from 6 to 5 to match image
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self.hourly_forecast = []
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for hour_data in hourly_list:
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dt = datetime.fromtimestamp(hour_data['dt'])
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temp = round(hour_data['main']['temp'])
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condition = hour_data['weather'][0]['main']
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self.hourly_forecast.append({
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'hour': dt.strftime('%I:00 %p').lstrip('0'), # Format as "2:00 PM"
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'temp': temp,
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'condition': condition
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})
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# Process daily forecast
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daily_data = {}
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full_forecast_list = forecast_data.get('list', []) # Use the full list
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for item in full_forecast_list: # Iterate over the full list
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date = datetime.fromtimestamp(item['dt']).strftime('%Y-%m-%d')
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if date not in daily_data:
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daily_data[date] = {
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'temps': [],
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'conditions': [],
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'date': datetime.fromtimestamp(item['dt'])
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}
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daily_data[date]['temps'].append(item['main']['temp'])
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daily_data[date]['conditions'].append(item['weather'][0]['main'])
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# Calculate daily summaries, excluding today
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self.daily_forecast = []
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today_str = datetime.now().strftime('%Y-%m-%d')
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# Sort data by date to ensure chronological order
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sorted_daily_items = sorted(daily_data.items(), key=lambda item: item[1]['date'])
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# Filter out today's data and take the next 3 days
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future_days_data = [item for item in sorted_daily_items if item[0] != today_str][:3]
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for date_str, data in future_days_data:
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temps = data['temps']
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temp_high = round(max(temps))
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temp_low = round(min(temps))
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condition = max(set(data['conditions']), key=data['conditions'].count)
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self.daily_forecast.append({
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'date': data['date'].strftime('%a'), # Day name (Mon, Tue, etc.)
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'date_str': data['date'].strftime('%m/%d'), # Date (4/8, 4/9, etc.)
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'temp_high': temp_high,
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'temp_low': temp_low,
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'condition': condition
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})
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def get_weather(self) -> Dict[str, Any]:
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"""Get current weather data, fetching new data if needed."""
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current_time = time.time()
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if (not self.weather_data or
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current_time - self.last_update > self.weather_config.get('update_interval', 300)):
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self._fetch_weather()
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return self.weather_data
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def _get_weather_state(self) -> Dict[str, Any]:
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"""Get current weather state for comparison."""
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if not self.weather_data:
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return None
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return {
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'temp': round(self.weather_data['main']['temp']),
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'condition': self.weather_data['weather'][0]['main'],
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'humidity': self.weather_data['main']['humidity']
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}
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def _get_hourly_state(self) -> List[Dict[str, Any]]:
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"""Get current hourly forecast state for comparison."""
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if not self.hourly_forecast:
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return None
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return [
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{'hour': f['hour'], 'temp': round(f['temp']), 'condition': f['condition']}
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for f in self.hourly_forecast[:3]
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]
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def _get_daily_state(self) -> List[Dict[str, Any]]:
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"""Get current daily forecast state for comparison."""
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if not self.daily_forecast:
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return None
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return [
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{
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'date': f['date'],
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'temp_high': round(f['temp_high']),
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'temp_low': round(f['temp_low']),
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'condition': f['condition']
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}
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for f in self.daily_forecast[:4] # Changed to 4 days
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]
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def display_weather(self, force_clear: bool = False) -> None:
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"""Display current weather information using a modern layout."""
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try:
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weather_data = self.get_weather()
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if not weather_data:
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print("No weather data available")
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return
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# Check if state has changed
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current_state = self._get_weather_state()
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if not force_clear and current_state == self.last_weather_state:
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return # No need to redraw if nothing changed
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# Clear the display once at the start
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self.display_manager.clear()
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# Create a new image for drawing
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image = Image.new('RGB', (self.display_manager.matrix.width, self.display_manager.matrix.height))
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draw = ImageDraw.Draw(image)
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# Draw weather condition icon and text at the top
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condition = weather_data['weather'][0]['main']
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icon_y = 1 # Adjusted y position
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icon_x = (self.display_manager.matrix.width - self.ICON_SIZE['large']) // 2 # Center horizontally
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WeatherIcons.draw_weather_icon(image, condition, icon_x, icon_y, size=self.ICON_SIZE['large'])
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# Draw condition text next to icon (using small font)
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condition_text = condition
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draw.text((icon_x + self.ICON_SIZE['large'] + 3, icon_y), # Increased padding from 1 to 3
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condition_text,
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font=self.display_manager.small_font,
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fill=self.COLORS['text'])
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# Draw "time ago" text below condition (using small font)
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# time_since_update = int((time.time() - self.last_update) / 3600) # hours
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# time_text = f"{time_since_update}h" # Even shorter text
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# draw.text((icon_x + self.ICON_SIZE['large'] + 1, icon_y + 7), # Reduced from 8
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# time_text,
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# font=self.display_manager.small_font,
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# fill=self.COLORS['dim']) # Using dimmer color
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# Draw current temperature on the right (using small font instead of regular)
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temp = round(weather_data['main']['temp'])
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temp_text = f"{temp}°" # Shortened to just degrees
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temp_width = draw.textlength(temp_text, font=self.display_manager.small_font)
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temp_x = self.display_manager.matrix.width - temp_width - 1 # Reduced right margin
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draw.text((temp_x, 1),
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temp_text,
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font=self.display_manager.small_font, # Changed from regular to small
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fill=self.COLORS['highlight'])
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# Draw high/low temperatures below current temp (using small font)
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temp_max = round(weather_data['main']['temp_max'])
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temp_min = round(weather_data['main']['temp_min'])
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high_low_text = f"{temp_min}°/{temp_max}°" # Swapped order: low/high
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high_low_width = draw.textlength(high_low_text, font=self.display_manager.small_font)
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draw.text((self.display_manager.matrix.width - high_low_width - 1, 9),
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high_low_text,
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font=self.display_manager.small_font,
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fill=self.COLORS['dim'])
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# Draw additional weather metrics spaced evenly in thirds at the bottom
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display_width = self.display_manager.matrix.width
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section_width = display_width // 3
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y_pos = self.display_manager.matrix.height - 7 # Position near bottom for 6px font
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font = self.display_manager.extra_small_font # The 4x6 font
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# --- Pressure (Section 1) ---
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pressure = weather_data['main']['pressure'] * 0.02953
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pressure_text = f"P:{pressure:.1f}in"
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pressure_width = draw.textlength(pressure_text, font=font)
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pressure_x = (section_width - pressure_width) // 2 # Center in first third
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draw.text((pressure_x, y_pos),
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pressure_text,
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font=font,
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fill=self.COLORS['dim'])
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# --- Humidity (Section 2) ---
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humidity = weather_data['main']['humidity']
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humidity_text = f"H:{humidity}%"
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humidity_width = draw.textlength(humidity_text, font=font)
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humidity_x = section_width + (section_width - humidity_width) // 2 # Center in second third
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draw.text((humidity_x, y_pos),
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humidity_text,
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font=font,
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fill=self.COLORS['dim'])
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# --- Wind (Section 3) ---
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wind_speed = weather_data['wind']['speed']
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wind_deg = weather_data.get('wind', {}).get('deg', 0)
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wind_dir = self._get_wind_direction(wind_deg)
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wind_text = f"W:{wind_speed:.0f}{wind_dir}"
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wind_width = draw.textlength(wind_text, font=font)
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wind_x = (2 * section_width) + (section_width - wind_width) // 2 # Center in third third
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draw.text((wind_x, y_pos),
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wind_text,
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font=font,
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fill=self.COLORS['dim'])
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# Update the display
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self.display_manager.image = image
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self.display_manager.update_display()
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self.last_weather_state = current_state
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except Exception as e:
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print(f"Error displaying weather: {e}")
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def _get_wind_direction(self, degrees: float) -> str:
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"""Convert wind degrees to cardinal direction."""
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directions = ['N', 'NE', 'E', 'SE', 'S', 'SW', 'W', 'NW']
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index = round(degrees / 45) % 8
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return directions[index]
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def display_hourly_forecast(self, force_clear: bool = False):
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"""Display the next few hours of weather forecast."""
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try:
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if not self.hourly_forecast:
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print("No hourly forecast data available")
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return
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# Check if state has changed
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current_state = self._get_hourly_state()
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if not force_clear and current_state == self.last_hourly_state:
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return
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# Clear the display
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self.display_manager.clear()
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# Create a new image for drawing
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image = Image.new('RGB', (self.display_manager.matrix.width, self.display_manager.matrix.height))
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draw = ImageDraw.Draw(image)
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# Calculate layout based on matrix dimensions
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hours_to_show = min(4, len(self.hourly_forecast))
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total_width = self.display_manager.matrix.width
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section_width = total_width // hours_to_show
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padding = max(2, section_width // 6) # Increased padding for more space
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for i in range(hours_to_show):
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forecast = self.hourly_forecast[i]
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x = i * section_width + padding
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center_x = x + (section_width - 2 * padding) // 2
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# Draw hour at top
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hour_text = forecast['hour']
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hour_text = hour_text.replace(":00 ", "").replace("PM", "p").replace("AM", "a")
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hour_width = draw.textlength(hour_text, font=self.display_manager.small_font)
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draw.text((center_x - hour_width // 2, 1),
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hour_text,
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font=self.display_manager.small_font,
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fill=self.COLORS['extra_dim'])
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# Draw weather icon centered vertically between top/bottom text
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icon_size = self.ICON_SIZE['medium'] # 20
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top_text_height = 8 # Approx height reservation for top text
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bottom_text_y = self.display_manager.matrix.height - 8 # Starting Y for bottom text
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available_height_for_icon = bottom_text_y - top_text_height
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# Ensure calculated y is not negative if space is very tight
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icon_y = max(top_text_height, top_text_height + (available_height_for_icon - icon_size) // 2)
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icon_x = center_x - icon_size // 2
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WeatherIcons.draw_weather_icon(image, forecast['condition'], icon_x, icon_y, icon_size)
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# Draw temperature at bottom
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temp_text = f"{forecast['temp']}°"
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temp_width = draw.textlength(temp_text, font=self.display_manager.small_font)
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temp_y = self.display_manager.matrix.height - 8 # Position at bottom with small margin
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draw.text((center_x - temp_width // 2, temp_y),
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temp_text,
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font=self.display_manager.small_font,
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fill=self.COLORS['text'])
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# Update the display
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self.display_manager.image = image
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self.display_manager.update_display()
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self.last_hourly_state = current_state
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except Exception as e:
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print(f"Error displaying hourly forecast: {e}")
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def display_daily_forecast(self, force_clear: bool = False):
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"""Display the daily weather forecast."""
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try:
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if not self.daily_forecast:
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print("No daily forecast data available")
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return
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# Check if state has changed
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current_state = self._get_daily_state()
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if not force_clear and current_state == self.last_daily_state:
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return
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# Clear the display
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self.display_manager.clear()
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# Create a new image for drawing
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image = Image.new('RGB', (self.display_manager.matrix.width, self.display_manager.matrix.height))
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draw = ImageDraw.Draw(image)
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# Calculate layout based on matrix dimensions for 3 days
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days_to_show = min(3, len(self.daily_forecast)) # Changed from 4 to 3
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if days_to_show == 0:
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# Handle case where there's no forecast data after filtering
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draw.text((2, 2), "No daily forecast", font=self.display_manager.small_font, fill=self.COLORS['dim'])
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else:
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total_width = self.display_manager.matrix.width
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section_width = total_width // days_to_show # Divide by 3 (or fewer if less data)
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padding = max(2, section_width // 6)
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for i in range(days_to_show):
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forecast = self.daily_forecast[i]
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x = i * section_width # No need for padding here, centering handles spacing
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center_x = x + section_width // 2 # Center within the section
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# Draw day name at top
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day_text = forecast['date']
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day_width = draw.textlength(day_text, font=self.display_manager.small_font)
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draw.text((center_x - day_width // 2, 1),
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day_text,
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font=self.display_manager.small_font,
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fill=self.COLORS['extra_dim'])
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# Draw weather icon centered vertically between top/bottom text
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icon_size = self.ICON_SIZE['medium'] # 20
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top_text_height = 8 # Approx height reservation for top text
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bottom_text_y = self.display_manager.matrix.height - 8 # Starting Y for bottom text
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available_height_for_icon = bottom_text_y - top_text_height
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# Ensure calculated y is not negative if space is very tight
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icon_y = max(top_text_height, top_text_height + (available_height_for_icon - icon_size) // 2)
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icon_x = center_x - icon_size // 2
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WeatherIcons.draw_weather_icon(image, forecast['condition'], icon_x, icon_y, icon_size)
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# Draw high/low temperatures at bottom (without degree symbol)
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temp_text = f"{forecast['temp_low']}/{forecast['temp_high']}" # Removed degree symbols
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temp_width = draw.textlength(temp_text, font=self.display_manager.extra_small_font)
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temp_y = self.display_manager.matrix.height - 8 # Position at bottom with small margin
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draw.text((center_x - temp_width // 2, temp_y),
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temp_text,
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font=self.display_manager.extra_small_font,
|
|
fill=self.COLORS['text'])
|
|
|
|
# Update the display
|
|
self.display_manager.image = image
|
|
self.display_manager.update_display()
|
|
self.last_daily_state = current_state
|
|
|
|
except Exception as e:
|
|
print(f"Error displaying daily forecast: {e}") |