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115 lines
4.1 KiB
Python
115 lines
4.1 KiB
Python
#
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# pluginmanager.py
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#
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# Copyright (C) 2007 Andrew Resch <andrewresch@gmail.com>
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#
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# Deluge is free software.
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#
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# You may redistribute it and/or modify it under the terms of the
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# GNU General Public License, as published by the Free Software
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# Foundation; either version 3 of the License, or (at your option)
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# any later version.
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#
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# deluge is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with deluge. If not, write to:
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# The Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor
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# Boston, MA 02110-1301, USA.
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#
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# In addition, as a special exception, the copyright holders give
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# permission to link the code of portions of this program with the OpenSSL
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# library.
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# You must obey the GNU General Public License in all respects for all of
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# the code used other than OpenSSL. If you modify file(s) with this
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# exception, you may extend this exception to your version of the file(s),
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# but you are not obligated to do so. If you do not wish to do so, delete
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# this exception statement from your version. If you delete this exception
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# statement from all source files in the program, then also delete it here.
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#
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#
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"""PluginManager for Core"""
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from twisted.internet import reactor
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from twisted.internet.task import LoopingCall
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from deluge.event import PluginEnabledEvent, PluginDisabledEvent
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import deluge.pluginmanagerbase
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import deluge.component as component
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from deluge.log import LOG as log
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class PluginManager(deluge.pluginmanagerbase.PluginManagerBase,
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component.Component):
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"""PluginManager handles the loading of plugins and provides plugins with
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functions to access parts of the core."""
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def __init__(self, core):
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component.Component.__init__(self, "CorePluginManager")
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self.status_fields = {}
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# Call the PluginManagerBase constructor
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deluge.pluginmanagerbase.PluginManagerBase.__init__(
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self, "core.conf", "deluge.plugin.core")
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def start(self):
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# Enable plugins that are enabled in the config
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self.enable_plugins()
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def stop(self):
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# Disable all enabled plugins
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self.disable_plugins()
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def shutdown(self):
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self.stop()
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def update_plugins(self):
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for plugin in self.plugins.keys():
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if hasattr(self.plugins[plugin], "update"):
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try:
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self.plugins[plugin].update()
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except Exception, e:
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log.exception(e)
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def enable_plugin(self, name):
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if name not in self.plugins:
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super(PluginManager, self).enable_plugin(name)
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if name in self.plugins:
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component.get("EventManager").emit(PluginEnabledEvent(name))
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def disable_plugin(self, name):
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if name in self.plugins:
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super(PluginManager, self).disable_plugin(name)
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if name not in self.plugins:
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component.get("EventManager").emit(PluginDisabledEvent(name))
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def get_status(self, torrent_id, fields):
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"""Return the value of status fields for the selected torrent_id."""
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status = {}
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for field in fields:
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try:
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status[field] = self.status_fields[field](torrent_id)
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except KeyError:
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pass
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return status
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def register_status_field(self, field, function):
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"""Register a new status field. This can be used in the same way the
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client requests other status information from core."""
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log.debug("Registering status field %s with PluginManager", field)
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self.status_fields[field] = function
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def deregister_status_field(self, field):
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"""Deregisters a status field"""
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log.debug("Deregistering status field %s with PluginManager", field)
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try:
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del self.status_fields[field]
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except:
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log.warning("Unable to deregister status field %s", field)
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