Move some logic from electrum to daemon

Ultimate goal is to try and stop the daemon race at startup.
Need to isolate logic of checking for server and creating one.

lib/daemon.py

@@ -16,13 +16,16 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
-import ast, os
+import ast
+import os
+import sys
 
 import jsonrpclib
 from jsonrpclib.SimpleJSONRPCServer import SimpleJSONRPCServer, SimpleJSONRPCRequestHandler
 
 from network import Network
-from util import json_decode, DaemonThread
+from util import check_www_dir, json_decode, DaemonThread
+from util import print_msg, print_error, print_stderr
 from wallet import WalletStorage, Wallet
 from wizard import WizardBase
 from commands import known_commands, Commands
@@ -177,3 +180,59 @@ class Daemon(DaemonThread):
         for k, wallet in self.wallets.items():
             wallet.stop_threads()
         DaemonThread.stop(self)
+
+    def init_gui(self, config, plugins):
+        gui_name = config.get('gui', 'qt')
+        if gui_name in ['lite', 'classic']:
+            gui_name = 'qt'
+        gui = __import__('electrum_gui.' + gui_name, fromlist=['electrum_gui'])
+        self.gui = gui.ElectrumGui(config, self, plugins)
+        self.gui.main()
+
+    @staticmethod
+    def gui_command(config, config_options, plugins):
+        server = get_daemon(config)
+        if server is not None:
+            return server.gui(config_options)
+
+        daemon = Daemon(config)
+        daemon.start()
+        daemon.init_gui(config, plugins)
+        sys.exit(0)
+
+    @staticmethod
+    def cmdline_command(config, config_options):
+        server = get_daemon(config)
+        if server is not None:
+            return False, server.run_cmdline(config_options)
+
+        return True, None
+
+    @staticmethod
+    def daemon_command(config, config_options):
+        server = get_daemon(config)
+        if server is not None:
+            return server.daemon(config_options)
+
+        subcommand = config.get('subcommand')
+        if subcommand in ['status', 'stop']:
+            print_msg("Daemon not running")
+            sys.exit(1)
+        elif subcommand == 'start':
+            pid = os.fork()
+            if pid == 0:
+                daemon = Daemon(config)
+                if config.get('websocket_server'):
+                    from electrum import websockets
+                    websockets.WebSocketServer(config, daemon.network).start()
+                if config.get('requests_dir'):
+                    check_www_dir(config.get('requests_dir'))
+                daemon.start()
+                daemon.join()
+                sys.exit(0)
+            else:
+                print_stderr("starting daemon (PID %d)" % pid)
+                sys.exit(0)
+        else:
+            print_msg("syntax: electrum daemon <start|status|stop>")
+            sys.exit(1)