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app.py
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app.py
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from flask import Flask, render_template, request, jsonify
import requests
app = Flask(__name__)
# Define the OpenWeatherMap API key
api_key = 'YOUR_API_KEY'
@app.route('/')
def index():
return render_template('index.html')
@app.route('/weather')
def get_weather():
postcode = request.args.get('postcode')
country_code = request.args.get('country')
if not postcode:
return render_template('index.html', error='Postcode parameter is required')
if not country_code:
return render_template('index.html', error='Country code parameter is required')
validation_url = f'https://api.openweathermap.org/data/2.5/weather?zip={postcode},{country_code}&appid={api_key}'
try:
# Validate postcode and country combination
validation_response = requests.get(validation_url)
validation_response.raise_for_status()
validation_data = validation_response.json()
if validation_data.get('cod') == '404':
return render_template('index.html', error='Invalid postcode or country code')
# If validation is successful, proceed to fetch detailed weather data
url = f'https://api.openweathermap.org/data/2.5/weather?zip={postcode},{country_code}&appid={api_key}&units=metric'
response = requests.get(url)
response.raise_for_status()
data = response.json()
# Extract relevant weather data from the API response
city = data['name']
country = data['sys']['country']
weather_description = data['weather'][0]['description']
temperature = data['main']['temp']
temperature_feels = data['main']['feels_like']
humidity = data['main']['humidity']
pressure = data['main']['pressure']
wind_speed = data['wind']['speed']
wind_direction = data['wind']['deg']
temperature_max = data['main']['temp_max']
temperature_min = data['main']['temp_min']
wind_gust = data.get('wind', {}).get('gust', 'N/A')
return render_template('weather.html', city=city, country=country, description=weather_description,
temperature=temperature, humidity=humidity, pressure=pressure,
wind_speed=wind_speed, wind_direction=wind_direction, temperature_feels=temperature_feels,
temperature_min=temperature_min, temperature_max=temperature_max, wind_gust=wind_gust)
except requests.RequestException as e:
return render_template('index.html', error=f'Request to OpenWeatherMap API failed: {str(e)}')
if __name__ == '__main__':
app.run(debug=True)