added stripe webhook handler example

examples/stripe_webhook_handler.py

@@ -0,0 +1,36 @@
+import os
+from stripe import StripeClient
+from stripe.events import V1BillingMeterErrorReportTriggeredEvent
+
+from flask import Flask, request, jsonify
+
+app = Flask(__name__)
+api_key = os.environ.get('STRIPE_API_KEY')
+webhook_secret = os.environ.get('WEBHOOK_SECRET')
+
+client = StripeClient(api_key)
+
+@app.route('/webhook', methods=['POST'])
+def webhook():
+    webhook_body = request.data
+    sig_header = request.headers.get('Stripe-Signature')
+
+    try:
+        thin_event = client.parse_thin_event(webhook_body, sig_header, webhook_secret)
+
+        # Fetch the event data to understand the failure
+        event = client.v2.core.events.retrieve(thin_event.id)
+        if isinstance(event, V1BillingMeterErrorReportTriggeredEvent):
+            # CHECK: fetch_object is present and callable, returning a strongly-typed object (without casting)
+            meter = event.fetch_related_object()
+            meter_id = meter.id
+
+            # Record the failures and alert your team
+            # Add your logic here
+
+        return jsonify(success=True), 200
+    except Exception as e:
+        return jsonify(error=str(e)), 400
+
+if __name__ == '__main__':
+    app.run(port=4242)