catch stderr and output to dialog in real time

ankiqt/ui/main.py

@@ -69,6 +69,7 @@ class AnkiQt(QMainWindow):
                                  traceback.format_exc())
         # check for updates
         self.setupAutoUpdate()
+        self.setupErrorHandler()
 
     def setupMainWindow(self):
         self.mainWin = ankiqt.forms.main.Ui_MainWindow()
@@ -95,6 +96,36 @@ class AnkiQt(QMainWindow):
     def setupTray(self):
 	self.trayIcon = ui.tray.AnkiTrayIcon(self)
 
+    def setupErrorHandler(self):
+        class ErrorPipe(object):
+            def __init__(self, parent):
+                self.parent = parent
+                self.timer = None
+                self.pool = ""
+
+            def write(self, data):
+                self.pool += data
+                self.updateTimer()
+
+            def updateTimer(self):
+                interval = 200
+                if not self.timer:
+                    self.timer = QTimer(self.parent)
+                    self.timer.setSingleShot(True)
+                    self.timer.start(interval)
+                    self.parent.connect(self.timer,
+                                        SIGNAL("timeout()"),
+                                        self.onTimeout)
+                else:
+                    self.timer.setInterval(interval)
+
+            def onTimeout(self):
+                ui.utils.showText(_("""\
+An error occurred. Please copy the following message into a bug report.\n\n""" + self.pool))
+                self.pool = ""
+                self.timer = None
+        pipe = ErrorPipe(self)
+        sys.stderr = pipe
 
     # State machine
     ##########################################################################

ankiqt/ui/utils.py

@@ -36,6 +36,23 @@ def showInfo(text, parent=None, help=""):
         else:
             break
 
+def showText(text, parent=None):
+    if not parent:
+        parent = ankiqt.mw
+    d = QDialog(parent)
+    d.setWindowTitle("Anki")
+    v = QVBoxLayout()
+    l = QLabel(text)
+    l.setTextInteractionFlags(Qt.TextSelectableByMouse)
+    v.addWidget(l)
+    buts = QDialogButtonBox.Ok
+    b = QDialogButtonBox(buts)
+    v.addWidget(b)
+    d.setLayout(v)
+    d.connect(b.button(QDialogButtonBox.Ok),
+              SIGNAL("clicked()"), d.accept)
+    d.exec_()
+
 def askUser(text, parent=None):
     "Show a yes/no question. Return true if yes."
     if not parent:

designer/cardlist.ui

@@ -189,14 +189,14 @@
      <height>23</height>
     </rect>
    </property>
-   <widget class="QMenu" name="menu_Edit" >
+   <widget class="QMenu" name="menuEdit" >
     <property name="title" >
      <string>&amp;Edit</string>
     </property>
     <addaction name="actionSelectAll" />
     <addaction name="actionSelectFacts" />
    </widget>
-   <widget class="QMenu" name="menu_Actions" >
+   <widget class="QMenu" name="menuActions" >
     <property name="title" >
      <string>&amp;Actions</string>
     </property>
@@ -207,11 +207,9 @@
     <addaction name="separator" />
     <addaction name="actionResetProgress" />
     <addaction name="actionDelete" />
-    <addaction name="separator" />
-    <addaction name="actionClose" />
    </widget>
-   <addaction name="menu_Actions" />
+   <addaction name="menuActions" />
-   <addaction name="menu_Edit" />
+   <addaction name="menuEdit" />
   </widget>
   <widget class="QStatusBar" name="statusbar" >
    <property name="geometry" >
@@ -271,15 +269,6 @@
     <string>Reset Progress</string>
    </property>
   </action>
-  <action name="actionClose" >
-   <property name="icon" >
-    <iconset resource="../icons.qrc" >
-     <normaloff>:/icons/fileclose.png</normaloff>:/icons/fileclose.png</iconset>
-   </property>
-   <property name="text" >
-    <string>Close</string>
-   </property>
-  </action>
   <action name="actionSelectAll" >
    <property name="text" >
     <string>Select &amp;All</string>
@@ -314,21 +303,5 @@
     </hint>
    </hints>
   </connection>
-  <connection>
-   <sender>actionClose</sender>
-   <signal>triggered()</signal>
-   <receiver>MainWindow</receiver>
-   <slot>close()</slot>
-   <hints>
-    <hint type="sourcelabel" >
-     <x>-1</x>
-     <y>-1</y>
-    </hint>
-    <hint type="destinationlabel" >
-     <x>299</x>
-     <y>300</y>
-    </hint>
-   </hints>
-  </connection>
  </connections>
 </ui>