deluge/deluge/ui/web/pluginmanager.py
2011-02-23 11:01:59 -08:00

153 lines
5.4 KiB
Python

#
# pluginmanager.py
#
# Copyright (C) 2009 Damien Churchill <damoxc@gmail.com>
#
# Deluge is free software.
#
# You may redistribute it and/or modify it under the terms of the
# GNU General Public License, as published by the Free Software
# Foundation; either version 3 of the License, or (at your option)
# any later version.
#
# deluge is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with deluge. If not, write to:
# The Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor
# Boston, MA 02110-1301, USA.
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the OpenSSL
# library.
# You must obey the GNU General Public License in all respects for all of
# the code used other than OpenSSL. If you modify file(s) with this
# exception, you may extend this exception to your version of the file(s),
# but you are not obligated to do so. If you do not wish to do so, delete
# this exception statement from your version. If you delete this exception
# statement from all source files in the program, then also delete it here.
#
#
import os
import logging
from deluge import component
from deluge.pluginmanagerbase import PluginManagerBase
from deluge.ui.client import client
from deluge.configmanager import ConfigManager
log = logging.getLogger(__name__)
def gather_info(plugin):
# Get the scripts for the plugin
scripts = getattr(plugin, "scripts", ())
debug_scripts = getattr(plugin, "debug_scripts") or scripts
directories = []
for script in scripts + debug_scripts:
if os.path.dirname(script) not in directories:
directories.append(os.path.dirname(script))
return {
"scripts": scripts,
"debug_scripts": debug_scripts,
"script_directories": directories
}
class PluginManager(PluginManagerBase, component.Component):
def __init__(self):
component.Component.__init__(self, "Web.PluginManager")
self.config = ConfigManager("web.conf")
PluginManagerBase.__init__(self, "web.conf", "deluge.plugin.web")
client.register_event_handler("PluginEnabledEvent", self._on_plugin_enabled_event)
client.register_event_handler("PluginDisabledEvent", self._on_plugin_disabled_event)
def _on_get_enabled_plugins(self, plugins):
for plugin in plugins:
self.enable_plugin(plugin)
def _on_plugin_enabled_event(self, name):
self.enable_plugin(name)
def _on_plugin_disabled_event(self, name):
self.disable_plugin(name)
def disable_plugin(self, name):
# Get the plugin instance
try:
plugin = component.get("WebPlugin." + name)
except KeyError:
log.info("Plugin has no web ui")
return
info = gather_info(plugin)
scripts = component.get("Scripts")
for script in info["scripts"]:
scripts.remove_script("%s/%s" % (name.lower(), os.path.basename(script).lower()))
for script in info["debug_scripts"]:
scripts.remove_script("%s/%s" % (name.lower(), os.path.basename(script).lower()), "debug")
scripts.remove_script("%s/%s" % (name.lower(), os.path.basename(script).lower()), "dev")
super(PluginManager, self).disable_plugin(name)
def enable_plugin(self, name):
super(PluginManager, self).enable_plugin(name)
# Get the plugin instance
try:
plugin = component.get("WebPlugin." + name)
except KeyError:
log.info("Plugin has no web ui")
return
info = gather_info(plugin)
scripts = component.get("Scripts")
for script in info["scripts"]:
log.debug("adding script %s for %s", name, os.path.basename(script))
scripts.add_script("%s/%s" % (name.lower(), os.path.basename(script)), script)
for script in info["debug_scripts"]:
log.debug("adding debug script %s for %s", name, os.path.basename(script))
scripts.add_script("%s/%s" % (name.lower(), os.path.basename(script)), script, "debug")
scripts.add_script("%s/%s" % (name.lower(), os.path.basename(script)), script, "dev")
def start(self):
"""
Start up the plugin manager
"""
# Update the enabled plugins from the core
d = client.core.get_enabled_plugins()
d.addCallback(self._on_get_enabled_plugins)
def stop(self):
"""
Stop the plugin manager
"""
self.disable_plugins()
def update(self):
pass
def get_plugin_resources(self, name):
# Get the plugin instance
try:
plugin = component.get("WebPlugin." + name)
except KeyError:
log.info("Plugin has no web ui")
return
info = gather_info(plugin)
info["name"] = name
info["scripts"] = ["/js/%s/%s" % (name.lower(), os.path.basename(s)) for s in info["scripts"]]
info["debug_scripts"] = ["/js/%s/%s" % (name.lower(), os.path.basename(s)) for s in info["debug_scripts"]]
del info["script_directories"]
return info