add python example for secure signing

content/_code-samples/secure-signing/py/sign-payment.py

@@ -0,0 +1,34 @@
+from xrpl.core import keypairs 
+
+# Define network client
+from xrpl.clients import JsonRpcClient
+JSON_RPC_URL = "https://s.altnet.rippletest.net:51234/"
+client = JsonRpcClient(JSON_RPC_URL)
+
+# Define signer address
+from xrpl.wallet import Wallet
+test_wallet_1 = Wallet(seed="shrPSF6vV3v3yoND9J3NeKks6M3xd")
+print(test_wallet_1.classic_address) # "raaFKKmgf6CRZttTVABeTcsqzRQ51bNR6Q"
+
+# Prepate the tranaaction
+from xrpl.ledger import get_latest_validated_ledger_sequence
+current_validated_ledger = get_latest_validated_ledger_sequence(client)
+min_ledger = current_validated_ledger + 1
+max_ledger = min_ledger + 20
+
+from xrpl.models.transactions import Payment
+# not working in testing
+# from xrpl.utils import xrp_to_drops
+my_payment = Payment(
+    account=test_wallet_1.classic_address,
+    amount="2200000",
+    destination="rPT1Sjq2YGrBMTttX4GZHjKu9dyfzbpAYe",
+    sequence=test_wallet_1.next_sequence_num,
+)
+print("Payment object:", my_payment)
+print(f"Can be validated in ledger range: {min_ledger} - {max_ledger}")
+
+# Sign transaction -------------------------------------------------------------
+import xrpl.transaction 
+signed = xrpl.transaction.safe_sign_transaction(my_payment, test_wallet_1)
+print("Signed transaction blob:", signed)

content/tutorials/get-started/set-up-secure-signing.md

@@ -74,14 +74,27 @@ If you use a client library not published by Ripple, make sure it uses proper, s
 
 For best security, be sure to keep your client library updated to the latest stable version.
 
-### Example Local Signing with RippleAPI
+### Local Signing Example
 
-The following code sample shows how to sign transaction instructions locally with RippleAPI for JavaScript:
+The following code sample shows how to sign transaction instructions locally with [`ripple-lib`](https://github.com/ripple/ripple-lib) for JavaScript and [`xrpl-py`](https://github.com/XRPLF/xrpl-py) for Python:
+
+<!-- MULTICODE_BLOCK_START -->
+
+*JavaScript*
 
 ```js
 {% include '_code-samples/secure-signing/js/signPayment.js' %}
 ```
 
+*Python*
+
+```py
+{% include '_code-samples/secure-signing/py/sign-payment.py' %}
+```
+
+<!-- MULTICODE_BLOCK_END -->
+
+
 For greater security, you can load your secret keys from a management tool such as [Vault](https://www.vaultproject.io/).
 
 
@@ -117,6 +130,7 @@ To use this configuration, follow the steps for [running `rippled` on a private
     - [sign method][]
     - [submit method][]
     - [RippleAPI Reference](rippleapi-reference.html)
+    - [xrpl-py Reference](https://xrpl-py.readthedocs.io/en/latest/index.html)