QR-Code-generator/app.py at main · ezaco-dev/QR-Code-generator · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
from flask import Flask, request, send_file, render_template_string
import qrcode
import io

app = Flask(__name__)

HTML_TEMPLATE = """
<!DOCTYPE html>
<html lang="id">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>QR Code Generator</title>
    <style>
      body {
                font-family: Arial, sans-serif;
                margin: 20px;
                height: 100vh;
                background-color: #1e1e1e;
                color: white;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
            }
            form {
                text-align: center;
                background-color: #2e2e2e;
                padding: 20px;
                border-radius: 10px;
                width: 50%;
            }
            input, select, button {
                margin: 10px;
                padding: 10px;
                width: 80%;
            }
            button {
                background-color: #00adb5;
                color: white;
                border: none;
                cursor: pointer;
            }
    </style>
</head>
<body>
    <h2>Buat QR Code</h2>
    <form action="/" method="post">
        <input type="text" name="text" placeholder="Masukkan teks atau URL" required>
        <button type="submit">Buat QR</button>
    </form>

    {% if qr_img %}
    <h3>QR Code Anda:</h3>
    <img src="data:image/png;base64,{{ qr_img }}" alt="QR Code">
    <br>
    <a href="/download?q={{ text }}">
        <button>Download QR</button>
    </a>
    {% endif %}
</body>
</html>
"""

import base64

@app.route("/", methods=["GET", "POST"])
def index():
    qr_img = None
    text = None
    if request.method == "POST":
        text = request.form.get("text")
        if text:
            img_io = io.BytesIO()
            qr = qrcode.make(text)
            qr.save(img_io, format="PNG")
            img_io.seek(0)
            qr_base64 = base64.b64encode(img_io.getvalue()).decode("utf-8")
            qr_img = qr_base64
    return render_template_string(HTML_TEMPLATE, qr_img=qr_img, text=text)

@app.route("/download")
def download_qr():
    text = request.args.get("q")
    if not text:
        return "Masukkan teks!", 400

    img_io = io.BytesIO()
    qr = qrcode.make(text)
    qr.save(img_io, format="PNG")
    img_io.seek(0)
    return send_file(img_io, mimetype="image/png", as_attachment=True, download_name="qrcode.png")

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=5000, debug=True)