add Python3+ compatibility

home.admin/config.scripts/lnd.unlock.py

@@ -1,9 +1,29 @@
 # parameter #1: password c to unlock wallet
-import base64, codecs, json, requests, sys
+import base64
+import codecs
+import json
+import requests
+import sys
+
+pw = sys.argv[1]
+
 url = 'https://localhost:8080/v1/unlockwallet'
 cert_path = '/mnt/hdd/lnd/tls.cert'
-data = {
+
-    'wallet_password': base64.b64encode(sys.argv[1]).decode()
+try:
-}
+    pw_b64 = base64.b64encode(pw).decode()
+except TypeError:  # for Python3+
+    pw_b64 = base64.b64encode(pw.encode()).decode('UTF-8')
+
+data = {'wallet_password': pw_b64}
+try:
     r = requests.post(url, verify=cert_path, data=json.dumps(data))
+except requests.exceptions.ConnectionError as err:
+    print(err)
+    print("\nAn Error occurred - is LND running?")
+    sys.exit(1)
+
+if r.status_code == 404:
+    print("Already unlocked!")
+else:
     print(r.json())