added some more error handling

src/bitmessageqt/__init__.py

@@ -438,6 +438,7 @@ class MyForm(QtGui.QMainWindow):
         self.rerenderComboBoxSendFrom()
         
         # Check to see whether we can connect to namecoin. Hide the 'Fetch Namecoin ID' button if we can't.
+        try:
             options = {}
             options["type"] = shared.config.get('bitmessagesettings', 'namecoinrpctype')
             options["host"] = shared.config.get('bitmessagesettings', 'namecoinrpchost')
@@ -447,6 +448,9 @@ class MyForm(QtGui.QMainWindow):
             nc = namecoinConnection(options)
             if nc.test()[0] == 'failed':
                 self.ui.pushButtonFetchNamecoinID.hide()
+        except:
+            print 'There was a problem testing for a Namecoin daemon. Hiding the Fetch Namecoin ID button'
+            self.ui.pushButtonFetchNamecoinID.hide()
 
 
     # Show or hide the application window after clicking an item within the
@@ -3095,8 +3099,6 @@ class settingsDialog(QtGui.QDialog):
             'bitmessagesettings', 'maxacceptablepayloadlengthextrabytes')) / shared.networkDefaultPayloadLengthExtraBytes)))
 
         # Namecoin integration tab
-
-        ensureNamecoinOptions()
         nmctype = shared.config.get('bitmessagesettings', 'namecoinrpctype')
         self.ui.lineEditNamecoinHost.setText(str(
             shared.config.get('bitmessagesettings', 'namecoinrpchost')))
@@ -3200,9 +3202,11 @@ class settingsDialog(QtGui.QDialog):
         options["user"] = self.ui.lineEditNamecoinUser.text()
         options["password"] = self.ui.lineEditNamecoinPassword.text()
         nc = namecoinConnection(options)
-        responseStatus = nc.test()[1]
-        self.ui.labelNamecoinTestResult.setText(responseStatus)
-        if nc.test()[0]== 'success':
+        response = nc.test()
+        responseStatus = response[0]
+        responseText = response[1]
+        self.ui.labelNamecoinTestResult.setText(responseText)
+        if responseStatus== 'success':
             self.parent.ui.pushButtonFetchNamecoinID.show()
 
 

src/class_sqlThread.py

@@ -6,6 +6,7 @@ import shutil  # used for moving the messages.dat file
 import sys
 import os
 from debug import logger
+from namecoin import ensureNamecoinOptions
 
 # This thread exists because SQLITE3 is so un-threadsafe that we must
 # submit queries to it and it puts results back in a different queue. They
@@ -190,6 +191,8 @@ class sqlThread(threading.Thread):
         if not shared.config.has_option('bitmessagesettings', 'sockslisten'):
             shared.config.set('bitmessagesettings', 'sockslisten', 'false')
             
+        ensureNamecoinOptions()
+            
         # Add a new column to the inventory table to store the first 20 bytes of encrypted messages to support Android app
         item = '''SELECT value FROM settings WHERE key='version';'''
         parameters = ''

src/namecoin.py

@@ -52,7 +52,6 @@ class namecoinConnection (object):
     # actually changing the values (yet).
     def __init__ (self, options = None):
         if options is None:
-          ensureNamecoinOptions ()
           self.nmctype = shared.config.get (configSection, "namecoinrpctype")
           self.host = shared.config.get (configSection, "namecoinrpchost")
           self.port = shared.config.get (configSection, "namecoinrpcport")