136 lines
4.2 KiB
Python
136 lines
4.2 KiB
Python
#
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# Copyright (c) 2011 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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Utility functions.
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$Id$
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"""
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import os
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from zope import component
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from zope.interface import directlyProvides, directlyProvidedBy
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from zope.intid.interfaces import IIntIds
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from zope.i18nmessageid import MessageFactory
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from zope.schema import vocabulary
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import cybertools
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from loops.browser.util import html_quote
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_ = MessageFactory('loops')
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renderingFactories = {
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'text/plain': 'zope.source.plaintext',
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'text/stx': 'zope.source.stx',
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'text/structured': 'zope.source.stx',
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'text/rest': 'zope.source.rest',
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'text/restructured': 'zope.source.rest',
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}
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class KeywordVocabulary(vocabulary.SimpleVocabulary):
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def __init__(self, items, *interfaces):
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""" ``items`` may be a tuple of (token, title) or a dictionary
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with corresponding elements named 'token' and 'title'.
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"""
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terms = []
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for t in items:
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if type(t) is dict:
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token, title = t['token'], t['title']
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else:
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token, title = t
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terms.append(vocabulary.SimpleTerm(token, token, title))
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super(KeywordVocabulary, self).__init__(terms, *interfaces)
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def removeTargetRelation(context, event):
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""" Handles IRelationInvalidatedEvent by doing some cleanup work.
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"""
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targetIfc = context.second.proxyInterface
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if targetIfc:
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directlyProvides(context.first, directlyProvidedBy(context) - targetIfc)
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def nl2br(text):
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if not text: return text
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if '\n' in text: # Unix or DOS line endings
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return '<br />\n'.join(x.replace('\r', '') for x in text.split('\n'))
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else: # gracefully handle Mac line endings
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return '<br />\n'.join(text.split('\r'))
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def toUnicode(value, encoding='UTF-8'):
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if type(value) is not unicode:
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try:
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return value.decode(encoding)
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except UnicodeDecodeError:
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return value.decode('ISO8859-15')
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else:
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return value
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def getObjectForUid(uid, intIds=None):
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if uid == '*': # wild card
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return '*'
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if isinstance(uid, basestring) and not uid.isdigit(): # not a valid uid
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return None
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if intIds is None:
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intIds = component.getUtility(IIntIds)
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try:
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return intIds.getObject(int(uid))
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except KeyError:
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return None
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def getUidForObject(obj, intIds=None):
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if obj == '*': # wild card
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return '*'
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if intIds is None:
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intIds = component.getUtility(IIntIds)
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return str(intIds.queryId(obj))
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def getObjectsForUids(uids, adapt=True):
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intIds = component.getUtility(IIntIds)
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result = [getObjectForUid(uid, intIds) for uid in uids]
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if adapt:
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from loops.common import adapted
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return [adapted(obj) for obj in result if obj is not None]
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return [obj for obj in result if obj is not None]
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def getVarDirectory(request=None):
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varDir = None
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if request is not None:
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pub = request.publication
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if pub is not None:
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varDir = os.path.dirname(pub.db.getName())
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if varDir is None:
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instanceHome = os.path.dirname(os.path.dirname(os.path.dirname(
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os.path.dirname(cybertools.__file__))))
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varDir = os.path.join(instanceHome, 'var')
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return varDir
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def getEtcDirectory(request=None):
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varDir = getVarDirectory(request)
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return os.path.join(os.path.dirname(varDir), 'etc')
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def getLogDirectory(request=None):
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varDir = getVarDirectory(request)
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return os.path.join(os.path.dirname(varDir), 'log')
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