plugin queue and load modules

opt/ahenk/base/plugin/PluginManager.py

@@ -2,15 +2,20 @@
 # -*- coding: utf-8 -*-
 # Author: İsmail BAŞARAN <ismail.basaran@tubitak.gov.tr> <basaran.ismaill@gmail.com>
 from base.plugin.Plugin import Plugin
+from base.plugin.PluginQueue import PluginQueue
+from base.Scope import Scope
 import imp,os
 
 class PluginManager(object):
     """docstring for PluginManager"""
     #implement logger
-    def __init__(self, configManager):
+    def __init__(self):
         super(PluginManager, self).__init__()
-        self.configManager = configManager
+        scope = Scope.getInstance()
+        self.configManager = scope.getConfigurationManager()
         self.plugins = []
+        self.pluginQueueDict = dict()
+        self.logger = scope.getLogger()
 
     def loadPlugins():
         self.plugins = []
@@ -18,22 +23,26 @@ class PluginManager(object):
         for pname in possibleplugins:
             location = os.path.join(self.configManager.get("PLUGIN", "pluginFolderPath"), pname)
             if not os.path.isdir(location) or not self.configManager.get("PLUGIN", "mainModuleName") + ".py" in os.listdir(location):
+                #TODO debug log here
                 continue
-            info = imp.find_module(self.configManager.get("PLUGIN", "mainModuleName"), [location])
-            #mainModule = self.loadSinglePlugin(info):
-            self.plugins.append(Plugin(pname,mainModule))
+            try:
+                self.loadSinglePlugin(pname)
+            except Exception as e:
+                # TODO error log
 
-    def createQueueForPlugin(self):
+    def loadSinglePlugin(self,pluginName):
+        # TODO check already loaded plugin
+        self.pluginQueueDict[pluginName]=PluginQueue()
+        plugin = Plugin(pluginName,self.pluginQueueDict[pluginName])
+        plugin.setDaemon(True)
+        plugin.start()
+        self.plugins.append(plugin)
 
-
-    def loadSinglePlugin(self,pluginInfo):
-        return imp.load_module(self.configManager.get("PLUGIN", "mainModuleName"), *pluginInfo)
-
-    def findSinglePlugin(self,pluginName):
-        for plugin in self.getPlugins():
-            if plugin["name"] == self.plugins:
-                return self.loadSinglePlugin(plugin)
-
-
-    def findCommand(self,comamndName):
-        pass
+    def findCommand(self,pluginName,commandId):
+        location = os.path.join(self.configManager.get("PLUGIN", "pluginFolderPath"), pname)
+        if os.path.dir(location) and commandId + ".py" in os.listdir(location):
+            info = imp.find_module(commandId, [location])
+            return imp.load_module(commandId, *info)
+        else:
+            self.logger.warning('Command id - %s - not found',commandId)
+            return None

opt/ahenk/base/plugin/PluginQueue.py

@@ -0,0 +1,10 @@
+#!/usr/bin/python3
+# -*- coding: utf-8 -*-
+# Author: İsmail BAŞARAN <ismail.basaran@tubitak.gov.tr> <basaran.ismaill@gmail.com>
+
+import Queue
+
+class PluginQueue(Queue.PriorityQueue):
+    def __contains__(self, item):
+        with self.mutex:
+            return item in self.queue