Changing around where we issue the messages

electrum

@@ -130,6 +130,7 @@ if __name__ == '__main__':
         firstarg = args[1] if len(args) > 1 else ''
         
     if cmd == 'gui':
+        
         if options.gui=='gtk':
             try:
                 import lib.gui as gui
@@ -141,6 +142,24 @@ if __name__ == '__main__':
             except ImportError:
                 import electrum.gui_qt as gui
         elif options.gui == 'lite':
+            # Let's do some dep checking and handle missing ones gracefully
+            try:
+              from PyQt4.QtCore import *
+              from PyQt4.QtGui import *
+            except ImportError:
+              print "You need to have PyQT installed to run Electrum in graphical mode."
+              print "If you have pip installed try 'sudo pip install pyqt' if you are on Debian/Ubuntu try 'sudo apt-get install python-qt4'."
+              sys.exit(0)
+
+            qtVersion = qVersion()
+            if not(int(qtVersion[0]) >= 4 and int(qtVersion[2]) >= 7):
+              app = QApplication(sys.argv)
+
+              error_message = QErrorMessage()
+              error_message.showMessage("<p>Sorry, Electrum requires Qt >= 4.7 to run.</p><p>Check your distributions packages or download it at http://qt.nokia.com/downloads</p>")
+              app.exec_()
+              sys.exit(0)
+
             try:
                 import lib.gui_lite as gui
             except ImportError:

lib/gui_lite.py

@@ -1,12 +1,7 @@
 import sys
 
-try:
-  from PyQt4.QtCore import *
-  from PyQt4.QtGui import *
-except ImportError:
-  print "You need to have PyQT installed to run Electrum"
-  print "If you have pip installed try 'sudo pip install pyqt' if you are on Debian/Ubuntu try 'sudo apt-get install python-qt4'"
-  sys.exit(1)
+from PyQt4.QtCore import *
+from PyQt4.QtGui import *
 
 from decimal import Decimal as D
 from util import appdata_dir, get_resource_path as rsrc
@@ -58,12 +53,6 @@ def cd_data_dir():
 class ElectrumGui:
 
     def __init__(self, wallet):
-        qtVersion = qVersion()
-        if not(int(qtVersion[0]) >= 4 and int(qtVersion[2]) >= 7):
-          print "Sorry, Electrum requires Qt >= 4.7 to run"
-          print "Check your distributions packages or download it at http://qt.nokia.com/downloads"
-          sys.exit(0)
-          
         self.wallet = wallet
         self.app = QApplication(sys.argv)
         # Should probably not modify the current path but instead