add a thread pool option to the image cache

resources/lib/image_cache_thread.py

@@ -0,0 +1,52 @@
+import threading
+import utils
+import xbmc
+import requests
+
+class image_cache_thread(threading.Thread):
+
+    urlToProcess = None
+    isFinished = False
+    
+    xbmc_host = ""
+    xbmc_port = ""
+    xbmc_username = ""
+    xbmc_password = ""
+    
+    def __init__(self):
+        self.monitor = xbmc.Monitor()
+        threading.Thread.__init__(self)
+         
+    def logMsg(self, msg, lvl=1):
+        className = self.__class__.__name__
+        utils.logMsg("%s" % className, msg, lvl)
+        
+    def setUrl(self, url):
+        self.urlToProcess = url
+        
+    def setHost(self, host, port):
+        self.xbmc_host = host
+        self.xbmc_port = port
+        
+    def setAuth(self, user, pwd):
+        self.xbmc_username = user
+        self.xbmc_password = pwd
+         
+    def run(self):
+        
+        self.logMsg("Image Caching Thread Processing : " + self.urlToProcess, 2)
+        
+        try:
+            response = requests.head(
+                                url=(
+                                    "http://%s:%s/image/image://%s"
+                                    % (self.xbmc_host, self.xbmc_port, self.urlToProcess)),
+                                auth=(self.xbmc_username, self.xbmc_password),
+                                timeout=(35.1, 35.1))
+        # We don't need the result
+        except: pass
+        
+        self.logMsg("Image Caching Thread Exited", 2)
+        
+        self.isFinished = True
+