Example for Python

server/python/README.md

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+# Checkout payment processing with Checkout Pro
+
+## Using a Python server with Flask
+
+### Requirements
+- Python 3.7 or higher
+- Read our [testing instructions](https://www.mercadopago.com/developers/en/guides/online-payments/checkout-pro/test-integration)
+- Setup your credentials: 
+  - Private Access Token on server-side [`server.js`](https://github.com/mercadopago/checkout-payment-sample/tree/master/server/python/server.py)
+
+### How to run it
+- pip install -r requirements.txt
+- python server.py
+- Navigate to http://localhost:8080 on your browser

server/python/requirements.txt

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+Flask==2.0.1
+mercadopago==2.0.7

server/python/server.py

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+import mercadopago as mp
+from flask import Flask, render_template, request
+
+app = Flask(
+    __name__,
+    static_folder='../../client',
+    template_folder='../../client',
+    static_url_path='',
+)
+# REPLACE WITH YOUR ACCESS TOKEN AVAILABLE IN: https://developers.mercadopago.com/panel/credentials
+mercadopago = mp.SDK("YOUR_ACCESS_TOKEN")
+
+
+@app.route("/create_preference", methods=['POST'])
+def create_preference():
+    payload = request.get_json()
+    preference = {
+        'items': [{
+            'title': payload.get('title'),
+            'unit_price': float(payload.get('price')),
+            'quantity': float(payload.get('quantity'))
+        }],
+        'back_urls': {
+            "success": "localhost:8080/feedback",
+            "failure": "localhost:8080/feedback",
+            "pending": "localhost:8080/feedback"
+        },
+        'auto_return': 'approved'
+    }
+    try:
+        response = mercadopago.preference().create(preference)
+    except Exception as error:
+        print(error)
+    return {'id': response['response']['id']}
+
+
+@app.route("/feedback")
+def feedback():
+    params = request.args
+    return {
+        'Payment': params.get('payment_id'),
+        'Status': params.get('status'),
+        'MechantOrder': params.get('merchant_order_id'),
+    }, 200
+
+
+@app.route("/")
+def home():
+    return render_template('index.html')
+
+
+if "__main__" == __name__:
+    app.run(host="localhost", port=8080, debug=True)