Basic implementation.

Implement very rough first query implementation, with
still hardcoded connection details.

src/bitmessageqt/__init__.py

@@ -1459,7 +1459,7 @@ class MyForm(QtGui.QMainWindow):
 
     def click_pushButtonFetchNamecoinID(self):
         nc = namecoinConnection()
-        err, addr = nc.query("")
+        err, addr = nc.query(str(self.ui.lineEditTo.text()))
         if err is not None:
             self.statusBar().showMessage(_translate(
                 "MainWindow", "Error: " + err))

src/class_namecoin.py

@@ -1,3 +1,4 @@
+import json
 from jsonrpc import ServiceProxy, JSONRPCException
 
 # This class handles the Namecoin identity integration.
@@ -9,12 +10,37 @@ class namecoinConnection(object):
         password = "password"
         host = "localhost"
         port = "8336"
-        self.s = ServiceProxy ("http://" + user + ":" + password
-                               + "@" + host + ":" + port)
+        self.s = ServiceProxy("http://" + user + ":" + password
+                              + "@" + host + ":" + port)
 
     # Query for the bitmessage address corresponding to the given identity
     # string.  If it doesn't contain a slash, id/ is prepended.  We return
     # the result as (Error, Address) pair, where the Error is an error
     # message to display or None in case of success.
     def query(self,string):
-        return None, "BM-Foobar2"
+        slashPos = string.find("/")
+        if slashPos < 0:
+            string = "id/" + string
+
+        try:
+            res = self.s.name_show(string)
+        except JSONRPCException as err:
+            if err.error["code"] == -4:
+                return ("The name '" + string + "' was not found.", None)
+            else:
+                return ("The namecoin query failed ("
+                        + err.error["message"] + ")", None)
+        except:
+            return ("The namecoin query failed.", None)
+
+        try:
+            print res["value"]
+            val = json.loads(res["value"])
+        except:
+            return ("The name '" + string + "' has no valid JSON data.", None)
+
+        if "bitmessage" in val:
+            return (None, val["bitmessage"])
+
+        return ("The name '" + string
+                + "' has no associated Bitmessage address.", None)