91 lines
3.2 KiB
Python
91 lines
3.2 KiB
Python
#!/usr/bin/python3
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# -*- coding: utf-8 -*-
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# Author: İsmail BAŞARAN <ismail.basaran@tubitak.gov.tr> <basaran.ismaill@gmail.com>
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import imp
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import os
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from base.Scope import Scope
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from base.plugin.Plugin import Plugin
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from base.plugin.PluginQueue import PluginQueue
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class PluginManager(object):
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"""docstring for PluginManager"""
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# implement logger
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def __init__(self):
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super(PluginManager, self).__init__()
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self.scope = Scope.getInstance()
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self.configManager = self.scope.getConfigurationManager()
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self.db_service = self.scope.getDbService()
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self.plugins = []
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self.pluginQueueDict = dict()
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self.logger = self.scope.getLogger()
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#TODO version?
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def loadPlugins(self):
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self.plugins = []
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possibleplugins = os.listdir(self.configManager.get("PLUGIN", "pluginFolderPath"))
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for pname in possibleplugins:
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location = os.path.join(self.configManager.get("PLUGIN", "pluginFolderPath"), pname)
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if not os.path.isdir(location) or not self.configManager.get("PLUGIN", "mainModuleName") + ".py" in os.listdir(location):
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self.logger.debug('It is not a plugin location - - ')
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continue
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try:
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self.loadSinglePlugin(pname)
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except Exception as e:
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# TODO error log
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pass
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def loadSinglePlugin(self, pluginName):
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# TODO check already loaded plugin
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self.pluginQueueDict[pluginName] = PluginQueue()
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plugin = Plugin(pluginName, self.pluginQueueDict[pluginName])
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plugin.setDaemon(True)
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plugin.start()
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self.plugins.append(plugin)
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def findCommand(self, pluginName, commandId):
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location = os.path.join(self.configManager.get("PLUGIN", "pluginFolderPath"), pluginName)
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if os.path.isdir(location) and commandId + ".py" in os.listdir(location):
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info = imp.find_module(commandId, [location])
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return imp.load_module(commandId, *info)
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else:
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self.logger.warning('Command id -' + commandId + ' - not found')
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return None
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def processTask(self, task):
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try:
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if task.plugin.name.lower() in self.pluginQueueDict:
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self.pluginQueueDict[task.plugin.name.lower()].put(task, 1)
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except Exception as e:
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# TODO update task - status to not found command
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self.logger.error("[PluginManager] Exception occurred when processing task " + str(e))
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def reloadPlugins(self):
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# Not implemented yet
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pass
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def checkPluginExists(self, plugin_name, version=None):
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criteria = ' name=\''+plugin_name+'\''
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if version is not None:
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criteria += ' and version=\'' + str(version) + '\''
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result = self.db_service.select('plugin', 'name', criteria)
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if result is None:
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return False
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else:
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return True
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def reloadSinglePlugin(self, pluginName):
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# Not implemented yet
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pass
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def checkCommandExist(self, pluginName, commandId):
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# Not implemented yet
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pass
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def printQueueSize(self):
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print("size " + str(len(self.pluginQueueDict)))
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