offline option for command line

electrum

@@ -34,6 +34,7 @@ if __name__ == '__main__':
     parser = OptionParser(usage=usage)
     parser.add_option("-g", "--gui", dest="gui", default="qt", help="gui")
     parser.add_option("-w", "--wallet", dest="wallet_path", help="wallet path (default: electrum.dat)")
+    parser.add_option("-o", "--offline", action="store_true", dest="offline", default=False, help="remain offline")
     parser.add_option("-a", "--all", action="store_true", dest="show_all", default=False, help="show all addresses")
     parser.add_option("-b", "--balance", action="store_true", dest="show_balance", default=False, help="show the balance at listed addresses")
     parser.add_option("-k", "--keys",action="store_true", dest="show_keys",default=False, help="show the private keys of listed addresses")
@@ -135,18 +136,20 @@ if __name__ == '__main__':
                 sys.exit(1)
 
             wallet.seed = str(seed)
-            WalletSynchronizer(wallet).start()
-            print "recovering wallet..."
             wallet.init_mpk( wallet.seed )
-            wallet.up_to_date_event.clear()
-            wallet.up_to_date = False
-            wallet.update()
-            if wallet.is_found():
-                wallet.fill_addressbook()
-                wallet.save()
-                print "recovery successful"
-            else:
-                print "found no history for this wallet"
+            if not options.offline:
+                WalletSynchronizer(wallet).start()
+                print "recovering wallet..."
+                wallet.up_to_date_event.clear()
+                wallet.up_to_date = False
+                wallet.update()
+                if wallet.is_found():
+                    print "recovery successful"
+                else:
+                    print "found no history for this wallet"
+            wallet.fill_addressbook()
+            wallet.save()
+            print "Wallet saved in '%s'"%options.wallet_path
         else:
             wallet.new_seed(None)
             wallet.init_mpk( wallet.seed )
@@ -156,6 +159,7 @@ if __name__ == '__main__':
             print "Please keep it in a safe place; if you lose it, you will not be able to restore your wallet."
             print "Equivalently, your wallet seed can be stored and recovered with the following mnemonic code:"
             print "\""+' '.join(mnemonic.mn_encode(wallet.seed))+"\""
+            print "Wallet saved in '%s'"%options.wallet_path
 
     # check syntax
     if cmd in ['payto', 'mktx']:
@@ -171,7 +175,7 @@ if __name__ == '__main__':
             cmd = 'help'
 
     # open session
-    if cmd not in offline_commands:
+    if cmd not in offline_commands and not options.offline:
         WalletSynchronizer(wallet).start()
         wallet.update()
         wallet.save()
@@ -288,7 +292,6 @@ if __name__ == '__main__':
             else:
                 print "error: master public key does not match"
 
-
     elif cmd == 'validateaddress':
         addr = args[1]
         print wallet.is_valid(addr)