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shinysu/app.py

Created June 19, 2021 11:06
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currency_converter
Raw
app.py
from flask import Flask, render_template, request
import requests
API_KEY = 'ea23bb1bdf8801bbe0b5a7da925461ca'
app = Flask(__name__)
def convert_currency(from_currency, to_currency, amount):
url = 'http://data.fixer.io/api/latest?access_key='+API_KEY
data = requests.get(url).json()
rates = data['rates']
eur_value = (1/rates[from_currency]) * amount
to_value = eur_value * rates[to_currency]
return round(to_value, 3)
@app.route('/', methods=["GET", "POST"])
def index():
converted_amount =''
if request.method == "POST":
from_currency = request.form["from_currency"]
to_currency = request.form["to_currency"]
amount = int(request.form["amount"])
converted_amount = convert_currency(from_currency, to_currency, amount)
return render_template('index.html', converted_amount=converted_amount)
elif request.method == "GET":
return render_template('index.html', converted_amount=converted_amount)
if __name__ == '__main__':
app.run(debug=True)
Raw
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Currency Converter</title>
<link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-+0n0xVW2eSR5OomGNYDnhzAbDsOXxcvSN1TPprVMTNDbiYZCxYbOOl7+AMvyTG2x" crossorigin="anonymous">
</head>
<body>
<div class="container">
<h1> Currency Converter</h1>
<br>
<form action="#" method="POST">
<div class="row">
<div class="col-md-2">
From currency:
</div>
<div class="col-md-3">
<select class="form-select" aria-label="Default select example" name="from_currency">
<option selected>Choose the currency</option>
<option value="USD">USD</option>
<option value="INR">INR</option>
<option value="EUR">EUR</option>
</select>
</div>
</div>
<br>
<div class="row">
<div class="col-md-2">
To currency:
</div>
<div class="col-md-3">
<select class="form-select" aria-label="Default select example" name="to_currency">
<option selected>Choose the currency</option>
<option value="USD">USD</option>
<option value="INR">INR</option>
<option value="EUR">EUR</option>
</select>
</div>
</div>
<br>
<div class="row">
<div class="col-md-2">
Enter the amount:
</div>
<div class="col-md-5">
<input type="text" name="amount">
<button type="submit" value="submit">Convert</button>
</div>
</div>
<br>
<div class="row">
<div class="col-md-2">
Converted amount:
</div>
<div class="col-md-3">
<input type="text" name="converted_amt" value="{{ converted_amount }}" disabled>
</div>
</div>
</form>
</div>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-gtEjrD/SeCtmISkJkNUaaKMoLD0//ElJ19smozuHV6z3Iehds+3Ulb9Bn9Plx0x4" crossorigin="anonymous"></script>
</body>
</html>
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