From 4653a1007cb8451c28461a326730900b285f38ad Mon Sep 17 00:00:00 2001
From: SomberNight <somber.night@protonmail.com>
Date: Mon, 1 Oct 2018 15:49:26 +0200
Subject: [PATCH] daemon: more convenient constructor for scripts

---
 electrum/daemon.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/electrum/daemon.py b/electrum/daemon.py
index cc52b845b..672295d3a 100644
--- a/electrum/daemon.py
+++ b/electrum/daemon.py
@@ -121,9 +121,12 @@ def get_rpc_credentials(config):
 
 class Daemon(DaemonThread):
 
-    def __init__(self, config, fd):
+    def __init__(self, config, fd=None):
         DaemonThread.__init__(self)
         self.config = config
+        if fd is None:
+            fd, server = get_fd_or_server(config)
+            if fd is None: raise Exception('failed to lock daemon; already running?')
         if config.get('offline'):
             self.network = None
         else: