+++ /dev/null
-# -*- coding: utf-8 -*-
-## GroupUserFolder
-## Copyright (C)2006 Ingeniweb
-
-## 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; see the file COPYING. If not, write to the
-## Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-"""
-
-"""
-__version__ = "$Revision: $"
-# $Source: $
-# $Id: class_utility.py 30098 2006-09-08 12:35:01Z encolpe $
-__docformat__ = 'restructuredtext'
-
-import string
-import re
-import threading
-import string
-
-# Base classes global vars management
-_BASECLASSESLOCK = threading.RLock()
-_BASECLASSES = {}
-_BASEMETALOCK = threading.RLock()
-_BASEMETA = {}
-
-def showaq(self, indent=''):
- "showaq"
- rval = ""
- obj = self
- base = getattr(obj, 'aq_base', obj)
- try: id = base.id
- except: id = str(base)
- try: id = id()
- except: pass
-
- if hasattr(obj, 'aq_self'):
- if hasattr(obj.aq_self, 'aq_self'):
- rval = rval + indent + "(" + id + ")\n"
- rval = rval + indent + "| \\\n"
- rval = rval + showaq(obj.aq_self, '| ' + indent)
- rval = rval + indent + "|\n"
- if hasattr(obj, 'aq_parent'):
- rval = rval + indent + id + "\n"
- rval = rval + indent + "|\n"
- rval = rval + showaq(obj.aq_parent, indent)
- else:
- rval = rval + indent + id + "\n"
- return rval
-
-
-def listBaseMetaTypes(cl, reverse = 0):
- """
- listBaseMetaTypes(cl, reverse = 0) => list of strings
-
- List all base meta types for this class.
- """
- # Look for the class in _BASEMETA cache
- try:
- return _BASEMETA[cl][reverse]
-
- except KeyError:
- _populateBaseMetaTypes(cl)
- return listBaseMetaTypes(cl, reverse)
-
-def isBaseMetaType(meta, cl):
- try:
- return _BASEMETA[cl][2].has_key(meta)
-
- except KeyError:
- _populateBaseMetaTypes(cl)
- return isBaseMetaType(meta, cl)
-
-def _populateBaseMetaTypes(cl):
- """Fill the base classes structure"""
- # Fill the base classes list
- try:
- ret = [cl.meta_type]
- except AttributeError:
- ret = []
-
- for b in cl.__bases__:
- ret = list(listBaseMetaTypes(b, 1)) + ret
-
- # Fill the base classes dict
- bases = {}
- for b in ret:
- bases[b] = 1
-
- _BASEMETALOCK.acquire()
- try:
- rev = ret[:]
- rev.reverse()
- _BASEMETA[cl] = (tuple(rev), tuple(ret), bases)
- finally:
- _BASEMETALOCK.release()
-
-def objectIds(container, meta_types = []):
- """
- """
- return map(lambda x: x[0], objectItems(container, meta_types))
-
-def objectValues(container, meta_types = []):
- """
- """
- return map(lambda x: x[1], objectItems(container, meta_types))
-
-def objectItems(container, meta_types = []):
- """
- objectItems(container, meta_types = [])
- Same as a container's objectItem method, meta_types are scanned in the base classes too.
- Ie. all objects derivated from Folder will be returned by objectItem(x, ['Folder'])
- """
- # Convert input type
- if type(meta_types) not in (type(()), type([])):
- meta_types = [meta_types]
-
- # Special case where meta_types is empty
- if not meta_types:
- return container.objectItems()
-
- # Otherwise : check parent for each meta_type
- ret = []
- for (id, obj) in container.objectItems():
- for mt in meta_types:
- if isBaseMetaType(mt, obj.__class__):
- ret.append((id, obj))
- break
-
- return ret
-
-
-
-def listBaseClasses(cl, reverse = 0):
- """
- listBaseClasses(cl, reverse = 0) => list of classes
-
- List all the base classes of an object.
- When reverse is 0, return the self class first.
- When reverse is 1, return the self class last.
-
- WARNING : reverse is 0 or 1, it is an integer, NOT A BOOLEAN ! (optim issue)
-
- CACHE RESULTS
-
- WARNING : for optimization issues, the ORIGINAL tuple is returned : please do not change it !
- """
- # Look for the class in _BASECLASSES cache
- try:
- return _BASECLASSES[cl][reverse]
-
- except:
- _populateBaseClasses(cl)
- return listBaseClasses(cl, reverse)
-
-
-def isBaseClass(base, cl):
- """
- isBaseClass(base, cl) => Boolean
- Return true if base is a base class of cl
- """
- try:
- return _BASECLASSES[cl][2].has_key(base)
- except:
- _populateBaseClasses(cl)
- return isBaseClass(base, cl)
-
-
-def _populateBaseClasses(cl):
- """Fill the base classes structure"""
- # Fill the base classes list
- ret = [cl]
- for b in cl.__bases__:
- ret = list(listBaseClasses(b, 1)) + ret
-
- # Fill the base classes dict
- bases = {}
- for b in ret:
- bases[b] = 1
-
- _BASECLASSESLOCK.acquire()
- try:
- rev = ret[:]
- rev.reverse()
- _BASECLASSES[cl] = (tuple(rev), tuple(ret), bases)
- finally:
- _BASECLASSESLOCK.release()
projects / GroupUserFolder.git / blobdiff