cryptonas-archive/v0.3.4.1/plugins/volume_props/volume_props.py

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#
# Copyright 2006 sense.lab e.V.
#
# This file is part of the CryptoBox.
#
# The CryptoBox is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# The CryptoBox 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 the CryptoBox; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
__revision__ = "$Id"
import cryptobox.plugins.base
import cryptobox.plugins.manage
from cryptobox.core.exceptions import *
class volume_props(cryptobox.plugins.base.CryptoBoxPlugin):
plugin_capabilities = [ "volume" ]
plugin_visibility = [ "volume" ]
request_auth = False
rank = 30
def do_action(self, **args):
import os
## include all plugins marked as "properties"
## skip ourselves to prevent recursion
self.props_plugins = [e for e in cryptobox.plugins.manage.PluginManager(self.cbox,
self.cbox.prefs["Locations"]["PluginDir"]).get_plugins()
if ("properties") in (e.get_visibility()) \
and (e.get_name() != self.get_name())]
## sort plugins by rank
self.props_plugins.sort(cmp = self.__cmp_plugins_rank)
## set the name of the templates for every plugin
load_string = ""
for p in self.props_plugins:
## skip all volume plugins that are not suitable
## (e.g. chpasswd for plain containers)
if not p.is_useful(self.device):
continue
p.device = self.device
plfname = os.path.join(p.plugin_dir, str(p.do_action(**args)) + ".cs")
load_string += "<?cs include:'%s' ?>" % plfname
## this is a little bit ugly: as it is not possible, to load cs files via
## 'linclude' (see clearsilver doc) if they use previously defined macros
## (see clearsilver mailing list thread
## 'linclude file which calls a macro' - 27th December 02005)
## our workaround: define the appropriate "include" (not 'linclude')
## command as a hdf variable - then we can include it via 'evar'
self.hdf[self.hdf_prefix + 'includePlugins'] = load_string
return "volume_properties"
def get_status(self):
return ":".join([ e.get_name() for e in self.props_plugins ])
def load_dataset(self, hdf):
"""Override the parent's function
we have to get the data from all included plugins
"""
for plugin in self.props_plugins:
## retrieve the results of an included plugin
plugin.load_dataset(hdf)
## call our parent's method
cryptobox.plugins.base.CryptoBoxPlugin.load_dataset(self, hdf)
def __cmp_plugins_rank(self, p1, p2):
order = p1.get_rank() - p2.get_rank()
if order < 0:
return -1
elif order == 0:
return 0
else:
return 1