Pass source and lineNumber for console redirection.

onConsoleMessage callback can handle two (optional) arguments, e.g.

    page.onConsoleMessage = function (msg, lineNo, source) {
        ....
    };

python/pyphantomjs/phantom.py

@@ -85,8 +85,10 @@ def execute(self):
         injectJsInFrame(self.m_scriptFile, os.path.dirname(os.path.abspath(__file__)), self.m_page.mainFrame(), True)
         return not self.m_terminated
 
-    def printConsoleMessage(self, msg):
-        print msg
+    def printConsoleMessage(self, message, lineNumber, source):
+        if source:
+            message = '%s:%d %s' % (source, lineNumber, message)
+        print message
 
     def returnValue(self):
         return self.m_returnValue

python/pyphantomjs/webpage.py

@@ -58,9 +58,7 @@ def javaScriptAlert(self, originatingFrame, msg):
         self.parent.javaScriptAlertSent.emit(msg)
 
     def javaScriptConsoleMessage(self, message, lineNumber, sourceID):
-        if sourceID:
-            message = '%s:%d %s' % (sourceID, lineNumber, message)
-        self.parent.javaScriptConsoleMessageSent.emit(message)
+        self.parent.javaScriptConsoleMessageSent.emit(message, lineNumber, sourceID)
 
     def userAgentForUrl(self, url):
         return self.m_userAgent
@@ -70,7 +68,7 @@ def userAgentForUrl(self, url):
 
 class WebPage(QObject):
     javaScriptAlertSent = pyqtSignal(str)
-    javaScriptConsoleMessageSent = pyqtSignal(str)
+    javaScriptConsoleMessageSent = pyqtSignal(str, int, str)
     loadStarted = pyqtSignal()
     loadFinished = pyqtSignal(str)
     resourceReceived = pyqtSignal('QVariantMap')