a932deff3e
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@2592 fd906abe-77d9-0310-91a1-e0d9ade77398
140 lines
4 KiB
Python
140 lines
4 KiB
Python
#
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# Copyright (c) 2008 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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Access to objects in a BSCW repository.
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$Id$
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"""
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import os
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from xmlrpclib import ServerProxy
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from zope import component
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from zope.app.file.image import getImageInfo
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from zope.cachedescriptors.property import Lazy
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from zope.contenttype import guess_content_type
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from zope.interface import implements, Attribute
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from cybertools.integrator.base import ContainerFactory, FileFactory
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from cybertools.integrator.base import ReadContainer, File, Image
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from cybertools.text import mimetypes
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baseAttributes = ['__class__', 'name', 'id', 'descr', 'notes',
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'bound_sub_artifacts', 'creator', 'owner', 'owners',
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'ctime', 'mtime', 'atime', 'lastEvent', 'createEvent',
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'lastChange', 'lastMove', 'containers', 'access']
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standardAttributes = ['__class__', 'name', 'id', 'descr', 'mtime']
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additionalAttributes = ['banner', 'moderated', 'ratings']
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documentAttributes = ['vid', 'vstore', 'file_extensions', 'size', 'encoding', 'type']
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urlAttributes = ['url_link', 'last_verified', 'last_error', 'content_length',
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'content_type', 'content_encoding', 'last_modified']
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classes = ['cl_core.Folder', 'cl_core.Document', 'cl_core.URL', ]
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# proxy classes
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class ReadContainer(ReadContainer):
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factoryName = 'bscw'
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@Lazy
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def data(self):
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data = self.server.get_attributes(self.address,
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['__class__', 'type', 'id', 'name', 'descr', 'url_link'], 1, True)
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return dict((item['id'], item) for item in data[1])
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def keys(self):
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return self.data.keys()
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def __iter__(self):
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return iter(self.keys())
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def __getitem__(self, key):
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if key in self:
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return self.get(key)
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raise KeyError(key)
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def get(self, key, default=None):
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if key not in self.data:
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return default
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item = self.data[key]
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if 'Folder' in item['__class__']:
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return self.containerFactory(item['id'], server=self.server,
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name=item['name'])
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elif 'Document' in item['__class__']:
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return self.fileFactory(item['id'], item['type'], server=self.server,
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name=item['name'])
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else:
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return OtherObject(item['id'], None, server=self.server, name=item['name'])
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def values(self):
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return [self.get(k) for k in self]
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def __len__(self):
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return len(self.keys())
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def items(self):
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return [(k, self.get(k)) for k in self]
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def __contains__(self, key):
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return key in self.keys()
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class File(File):
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contentType = None
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def getData(self):
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return self.server.get_document()
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data = property(getData)
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def getSize(self):
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return 0
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class OtherObject(File):
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data = u''
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# factory classes
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class ContainerFactory(ContainerFactory):
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proxyClass = ReadContainer
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def __call__(self, address, **kw):
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server = kw.pop('server')
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if isinstance(server, basestring): # just a URL, resolve for XML-RPC
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server = ServerProxy(server)
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return self.proxyClass(address, server=server, **kw)
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class FileFactory(FileFactory):
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def __call__(self, address, **kw):
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contentType = kw.pop('type', 'application/octet-stream')
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obj = File(address, contentType, **kw)
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obj.contentType = contentType
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return obj
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