be088b1f63
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2171 fd906abe-77d9-0310-91a1-e0d9ade77398
91 lines
3 KiB
Python
91 lines
3 KiB
Python
#
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# Copyright (c) 2007 Helmut Merz helmutm@cy55.de
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#
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# This program 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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# This program 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 this program; 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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"""
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Message instance and related classes.
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$Id$
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"""
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from string import Template
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from zope import component
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from zope.interface import implements
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from zope.publisher.browser import TestRequest
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from cybertools.composer.instance import Instance
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from cybertools.composer.interfaces import IInstance
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from cybertools.util.jeep import Jeep
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class MessageInstance(Instance):
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template = client = None
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def __init__(self, client, template, manager):
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self.client = client
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self.template = template
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self.manager = manager
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def applyTemplate(self, data=None, **kw):
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data = DataProvider(self)
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text = MessageTemplate(self.template.text).safe_substitute(data)
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subject = self.template.subjectLine
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return Jeep((('subjectLine', subject), ('text', text)))
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class DataProvider(object):
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def __init__(self, context):
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self.context = context
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def __getitem__(self, key):
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client = self.context.client
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#messageManager = self.context.template.getManager()
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messageManager = self.context.manager
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if key.startswith('@@'):
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viewName = key[2:]
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if client is None:
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return '$' + key
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view = component.queryMultiAdapter(
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(client.manager, TestRequest()), name=viewName)
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if view is not None:
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return view()
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else:
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return key
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elif key in messageManager.messages:
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#mi = component.getMultiAdapter(
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# (client, messageManager.messages[key]), IInstance)
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mi = MessageInstance(client, messageManager.messages[key],
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messageManager)
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return mi.applyTemplate().text
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elif '.' in key:
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if client is None:
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return '$' + key
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schemaName, fieldName = key.split('.', 1)
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schema = client.manager.getClientSchemas()[schemaName]
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instance = IInstance(client)
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instance.template = schema
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data = instance.applyTemplate()
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return data[fieldName]
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else:
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raise KeyError(key)
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class MessageTemplate(Template):
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idpattern = r'@{0,2}[_a-z][_.a-z0-9]*[_a-z0-9]+'
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