Automatically download certificate on Python device

python_device/src/main.py

@@ -72,3 +72,12 @@ if status == "Pending":
     exit(0)
 
 print("Device is successfully enrolled!")
+
+print("Check device certificate")
+if not os.path.isfile(args.dev_crt_path):
+    print("Retrieve certificate...")
+    cert = api.device_certificate()
+    with open(args.dev_crt_path, "w") as f:
+        f.write(cert)
+
+print("Done. ready to operate.")