spill get key from file

py-packages/spiller/spiller/spiller.py

@@ -59,6 +59,13 @@ def get_opts():
         default=os.getenv("SPILLER_KEY", None),
         help="Encryption key",
     )
+    set_parser.add_argument(
+        "--key-file",
+        action="store",
+        default=None,
+        type=argparse.FileType('r'),
+        help="Read encryption key stored in a file",
+    )
     get_parser.add_argument(
         "name",
         action="store",
@@ -70,12 +77,24 @@ def get_opts():
         default=os.getenv("SPILLER_KEY", None),
         help="Decryption key",
     )
+    get_parser.add_argument(
+        "--key-file",
+        action="store",
+        default=None,
+        type=argparse.FileType('r'),
+        help="Read encryption key stored in a file",
+    )
     del_parser.add_argument(
         "name",
         action="store",
         help="Name of secret to delete",
     )
-    return parser.parse_args()
+    args = parser.parse_args()
+    if args.key_file:
+        with args.key_file as fp:
+            args.key = fp.read().rstrip("\n")
+    return args
+
 
 
 def list_storage():