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Added lesson 23
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‎lesson23‎

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‎lesson23/.gitignore‎

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.venv
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.env
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__pycache__

‎lesson23/requirements.txt‎

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blinker==1.6.2
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certifi==2023.5.7
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charset-normalizer==3.2.0
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click==8.1.5
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colorama==0.4.6
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Flask==2.3.2
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idna==3.4
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itsdangerous==2.1.2
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Jinja2==3.1.2
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MarkupSafe==2.1.3
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python-dotenv==1.0.0
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requests==2.31.0
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urllib3==2.0.3
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waitress==2.1.2
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Werkzeug==2.3.6

‎lesson23/server.py‎

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from flask import Flask, render_template, request
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from weather import get_current_weather
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from waitress import serve
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app = Flask(__name__)
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@app.route('/')
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@app.route('/index')
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def index():
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return render_template('index.html')
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@app.route('/weather')
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def get_weather():
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city = request.args.get('city')
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# Check for empty strings or string with only spaces
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if not bool(city.strip()):
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city = "Kansas City"
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weather_data = get_current_weather(city)
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# City is not found by API
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if not weather_data['cod'] == 200:
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return render_template('city-not-found.html')
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return render_template(
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"weather.html",
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title=weather_data["name"],
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status=weather_data["weather"][0]["description"].capitalize(),
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temp=f"{weather_data['main']['temp']:.1f}",
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feels_like=f"{weather_data['main']['feels_like']:.1f}"
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)
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if __name__ == "__main__":
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serve(app, host="0.0.0.0", port=8000)

‎lesson23/static/styles/style.css‎

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* {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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}
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body {
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padding: 2rem;
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background-color: #333;
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color: whitesmoke;
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min-height: 100vh;
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display: flex;
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flex-direction: column;
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align-items: center;
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gap: 2rem;
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font-size: 2rem;
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}
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input, button {
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font-size: 2rem;
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padding: 1rem;
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border-radius: 10px;
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}

‎lesson23/templates/city-not-found.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>City Not Found</title>
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<link href="{{ url_for('static', filename='styles/style.css') }}" rel="stylesheet" />
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</head>
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<body>
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<h1>City Not Found</h1>
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<h2>Try Again?</h2>
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<form action="/weather">
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<input type="text" name="city" id="city" placeholder="Enter a City" />
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<button type="submit">Submit</button>
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</form>
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</body>
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</html>

‎lesson23/templates/index.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Get Weather Conditions</title>
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<link href="{{ url_for('static', filename='styles/style.css') }}" rel="stylesheet" />
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</head>
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<body>
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<h1>Get Weather Conditions</h1>
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<form action="/weather">
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<input type="text" name="city" id="city" placeholder="Enter a City" />
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<button type="submit">Submit</button>
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</form>
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</body>
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</html>

‎lesson23/templates/weather.html‎

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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>{{ title }} Weather</title>
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<link href="{{ url_for('static', filename='styles/style.css') }}" rel="stylesheet" />
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</head>
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<body>
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<h1>{{ title }} Weather</h1>
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<p>{{ status }} and {{ temp }} &deg;</p>
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<p>Feels like {{ feels_like }} &deg;</p>
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<form action="/weather">
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<input type="text" name="city" id="city" placeholder="Enter a City" />
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<button type="submit">Submit</button>
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</form>
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</body>
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</html>

‎lesson23/weather.py‎

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from dotenv import load_dotenv
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from pprint import pprint
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import requests
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import os
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load_dotenv()
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def get_current_weather(city="Kansas City"):
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request_url = f'http://api.openweathermap.org/data/2.5/weather?appid={os.getenv("API_KEY")}&q={city}&units=imperial'
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weather_data = requests.get(request_url).json()
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return weather_data
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if __name__ == "__main__":
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print('\n*** Get Current Weather Conditions ***\n')
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city = input("\nPlease enter a city name: ")
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# Check for empty strings or string with only spaces
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if not bool(city.strip()):
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city = "Kansas City"
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weather_data = get_current_weather(city)
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print("\n")
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pprint(weather_data)

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