147 lines
4.3 KiB
Python
147 lines
4.3 KiB
Python
#
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# Copyright 2006 sense.lab e.V.
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#
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# This file is part of the CryptoBox.
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#
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# The CryptoBox is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# The CryptoBox 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. See the
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# 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 the CryptoBox; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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__revision__ = "$Id"
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import cryptobox.plugins.base
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import cryptobox.plugins.manage
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class plugin_manager(cryptobox.plugins.base.CryptoBoxPlugin):
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plugin_capabilities = [ "system" ]
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plugin_visibility = [ "preferences" ]
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request_auth = True
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rank = 90
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def do_action(self, store=None, action=None, plugin_name=None, **args):
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import re
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if plugin_name:
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## check for invalid characters
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if re.search(r'\W', plugin_name): return "plugin_list"
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plugin_manager = cryptobox.plugins.manage.PluginManager(
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self.cbox, self.cbox.prefs["Locations"]["PluginDir"])
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plugin = plugin_manager.get_plugin(plugin_name)
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if not plugin: return "plugin_list"
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## take only plugins, that are of the same type as the choosen one
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self.plugins = [e for e in plugin_manager.get_plugins()
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if e.plugin_capabilities == plugin.plugin_capabilities and \
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e != "volume_props" ]
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if action == "up":
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self.__move_up(plugin)
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elif action == "down":
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self.__move_down(plugin)
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return "plugin_list"
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elif store:
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for key in args.keys():
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if key.endswith("_listed"):
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if not re.search(r'\W',key):
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self.__set_config(key[:-7], args)
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else:
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self.cbox.log.info("plugin_manager: invalid plugin name (%s)" % \
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str(key[:-7]))
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try:
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self.cbox.prefs.plugin_conf.write()
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self.cbox.log.info("Successfully stored plugin configuration")
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except IOError, err_msg:
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self.cbox.log.warn("Failed to write plugin configuration: %s" % err_msg)
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return "plugin_list"
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def get_status(self):
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plugin_manager = cryptobox.plugins.manage.PluginManager(
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self.cbox, self.cbox.prefs["Locations"]["PluginDir"])
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return ":".join([e.get_name() for e in plugin_manager.get_plugins()])
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def __sort_plugins(self):
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"""sort all plugins in the list according to their rank"""
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def cmp_func(x,y):
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x_rank = x.get_rank()
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y_rank = y.get_rank()
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if x_rank < y_rank:
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return -1
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elif x_rank == y_rank:
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return 0
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else:
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return 1
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self.plugins.sort(cmp = cmp_func)
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def __distribute_ranks(self):
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"""evenly distribute the 'rank' values according to the current order of
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the list"""
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pl_conf = self.cbox.prefs.plugin_conf
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dist = 100 / (len(self.plugins) - 1)
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for (index, pl) in enumerate(self.plugins):
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pl.set_rank(dist*index)
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try:
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self.cbox.prefs.plugin_conf.write()
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except IOError:
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self.cbox.log.warn("failed to write plugin configuration")
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def __move_up(self, plugin):
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self.__sort_plugins()
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try:
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index = self.plugins.index(plugin)
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## first elements may not move up
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if index == 0:
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return
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except ValueError:
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return
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self.plugins.remove(plugin)
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self.plugins.insert(index-1, plugin)
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self.__distribute_ranks()
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def __move_down(self, plugin):
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self.__sort_plugins()
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try:
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index = self.plugins.index(plugin)
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## last elements may not move down
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if index == len(self.plugins) - 1:
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return
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except ValueError:
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return
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self.plugins.remove(plugin)
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self.plugins.insert(index+1, plugin)
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self.__distribute_ranks()
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def __set_config(self, name, args):
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import re
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if not self.cbox.prefs.plugin_conf.has_key(name):
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self.cbox.prefs.plugin_conf[name] = {}
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setting = self.cbox.prefs.plugin_conf[name]
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setting["visibility"] = []
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## look for "_visible_" values and apply them
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pattern = re.compile(r'%s_visible_([\w]+)$' % name)
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for key in args.keys():
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if key.startswith(name + "_visible_"):
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(vis_type, ) = pattern.match(key).groups()
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if vis_type:
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setting["visibility"].append(vis_type)
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if args.has_key("%s_auth" % name):
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setting["requestAuth"] = True
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else:
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setting["requestAuth"] = False
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