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glasnost/shared/common/values.py

117 lines
4.1 KiB
Python

# -*- coding: iso-8859-15 -*-
# Glasnost
# By: Odile Bénassy <obenassy@entrouvert.com>
# Romain Chantereau <rchantereau@entrouvert.com>
# Nicolas Clapiès <nclapies@easter-eggs.org>
# Pierre-Antoine Dejace <padejace@entrouvert.be>
# Thierry Dulieu <tdulieu@easter-eggs.com>
# Florent Monnier <monnier@codelutin.com>
# Cédric Musso <cmusso@easter-eggs.org>
# Frédéric Péters <fpeters@entrouvert.be>
# Benjamin Poussin <poussin@codelutin.com>
# Emmanuel Raviart <eraviart@entrouvert.com>
# Sébastien Régnier <regnier@codelutin.com>
# Emmanuel Saracco <esaracco@easter-eggs.com>
#
# Copyright (C) 2000, 2001 Easter-eggs & Emmanuel Raviart
# Copyright (C) 2002 Odile Bénassy, Code Lutin, Thierry Dulieu, Easter-eggs,
# Entr'ouvert, Frédéric Péters, Benjamin Poussin, Emmanuel Raviart,
# Emmanuel Saracco & Théridion
# Copyright (C) 2003 Odile Bénassy, Romain Chantereau, Nicolas Clapiès,
# Code Lutin, Pierre-Antoine Dejace, Thierry Dulieu, Easter-eggs,
# Entr'ouvert, Florent Monnier, Cédric Musso, Ouvaton, Frédéric Péters,
# Benjamin Poussin, Rodolphe Quiédeville, Emmanuel Raviart, Sébastien
# Régnier, Emmanuel Saracco, Théridion & Vecam
#
# This program 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.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
__doc__ = """Glasnost Common ValueHolders"""
__version__ = '$Revision$'[11:-2]
import things
class ValueHolder(things.BaseThing):
kind = None
kind_kind_label = N_('Kind')
kind_kindName = 'Kind'
value = None
value_kind_label = N_('Value')
value_kindName = '__getter__'
def __eq__(self, other):
return isinstance(other, ValueHolder) and self.kind == other.kind \
and self.value == other.value
def __ne__(self, other):
return not self.__eq__(other)
def __str__(self):
return '<%s: %s, %s>' % (
self.__class__.__name__, self.kind, self.value)
def __repr__(self):
return '<%s: %s, %s>' % (
self.__class__.__name__, self.kind, self.value)
def getImportSlotNames(self, parentSlot = None):
names = things.BaseThing.getImportSlotNames(
self, parentSlot = parentSlot)
names = names[:]
if 'kind' in names:
# The slot 'kind' is already imported by the method
# importFromXmlRpc.
names.remove('kind')
return names
def importFromXmlRpc(self, dataImport, parentSlot = None):
# The slot 'kind' must be imported first, because it is needed to
# import value.
if dataImport.has_key('__noneSlotNames__'):
noneSlotNames = dataImport['__noneSlotNames__']
else:
noneSlotNames = []
for slotName in ['kind']:
if dataImport.has_key(slotName):
exportedValue = dataImport[slotName]
elif slotName in noneSlotNames:
exportedValue = None
else:
continue
slot = self.getSlot(slotName, parentSlot = parentSlot)
kind = slot.getKind()
if not kind.isImportable():
continue
slot.setValue(kind.importValueFromXmlRpc(slot, exportedValue))
return things.BaseThing.importFromXmlRpc(
self, dataImport, parentSlot = parentSlot)
def value_kindGetter(self):
return self.kind
def init(self, kind, value):
assert kind.isPractical
self.kind = kind
self.value = value
return self
things.register(ValueHolder)