Threaded update checker, allows PC to start up while checking for updates

pesterchum.py

@@ -2850,9 +2850,13 @@ class MainProgram(QtCore.QObject):
         self.connectWidgets(self.irc, self.widget)
 
         if self.widget.config.checkForUpdates():
-            (new,url) = version.updateCheck()
+            import Queue
-            if new:
+            import threading
-                self.widget.pcUpdate.emit(new, url)
+            q = Queue.Queue(1)
+            s = threading.Thread(target=version.updateCheck, args=(q,0)) # the 0 is to stop
+            w = threading.Thread(target=self.showUpdate, args=(q,0))     # stupid syntax errors
+            w.start()
+            s.start()
 
     widget2irc = [('sendMessage(QString, QString)',
                    'sendMessage(QString, QString)'),
@@ -2940,6 +2944,12 @@ class MainProgram(QtCore.QObject):
         self.disconnect(self.irc, QtCore.SIGNAL('finished()'),
                         self, QtCore.SLOT('restartIRC()'))
 
+    def showUpdate(self, q,num):
+        new_url = q.get()
+        if new_url[0]:
+            self.widget.pcUpdate.emit(new_url[0], new_url[1])
+        q.task_done()
+
     def showLoading(self, widget, msg="CONN3CT1NG"):
         self.widget.show()
         if hasattr(self.widget, 'loadingscreen') and widget.loadingscreen:

version.py

@@ -1,5 +1,6 @@
 import urllib
 import re
+import time
 
 USER_TYPE = "dev"
 
@@ -26,30 +27,31 @@ def verStrToNum(ver):
     full = ver[:ver.find(":")]
     return full,w.group(1),w.group(2),w.group(3),w.group(4),w.group(5)
 
-def updateCheck():
+def updateCheck(q,num):
+    time.sleep(3)
     data = urllib.urlencode({"type" : USER_TYPE})
     try:
         f = urllib.urlopen("http://distantsphere.com/pesterchum.php?" + data)
     except:
-        print "Update check Failure: 1"; return False,1
+        print "Update check Failure: 1"; q.put((False,1))
     newest = f.read()
     f.close()
     if not newest or newest[0] == "<":
-        print "Update check Failure: 2"; return False,2
+        print "Update check Failure: 2"; q.put((False,2))
     try:
         (full, major, minor, status, revision, url) = verStrToNum(newest)
     except TypeError:
-        return False,3
+        return q.put((False,3))
     print full
     if major <= _pcMajor:
         if minor <= _pcMinor:
             if status:
                 if status <= _pcStatus:
                     if revision <= _pcRevision:
-                        return False,0
+                        return q.put((False,0))
             else:
                 if not _pcStatus:
                     if revision <= _pcRevision:
-                        return False,0
+                        return q.put((False,0))
     print "A new version of Pesterchum is avaliable!"
-    return full,url
+    q.put((full,url))