export/import of nodes basically OK
git-svn-id: svn://svn.cy55.de/Zope3/src/loops/trunk@1010 fd906abe-77d9-0310-91a1-e0d9ade77398
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helmutm
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60
browser/exportimport.pt
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browser/exportimport.pt
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<tal:show condition="not:view/submit">
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<html metal:use-macro="context/@@standard_macros/view">
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<head>
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</head>
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<body>
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<metal:body fill-slot="body">
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<h3>Export/Import loops View Nodes</h3>
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<div tal:define="message view/message | request/message | nothing"
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tal:condition="message"
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tal:content="message">Message</div>
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<div> </div>
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<div>
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This form allows you to export nodes to a
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file and upload a file created by a content export.
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</div>
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<form action="." method="post"
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tal:attributes="action string:${request/URL/-1}/export_nodes.html">
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<input type="hidden" name="loops.action" value="export" />
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<div> </div>
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<h4>Export Nodes</h4>
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<div> </div>
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<div class="row">
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<div class="controls">
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<input type="submit" name="loops.export" value="Export" />
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</div>
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</div>
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</form>
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<form action="." method="post" enctype="multipart/form-data"
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tal:attributes="action request/URL">
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<input type="hidden" name="loops.action" value="upload" />
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<div> </div>
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<h4>Import Nodes</h4>
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<div class="row">
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<div class="label">
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<label for="field.data"
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title="The file to be uploaded.">File</label>
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</div>
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<div class="field">
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<input class="fileType" id="field.data" name="field.data"
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size="20" type="file" />
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</div>
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</div>
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<div class="row">
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<div class="controls">
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<input type="submit" name="loops.upload" value="Upload" />
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</div>
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</div>
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</form>
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</metal:body>
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</body>
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</html>
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</tal:show>
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79
browser/external.py
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browser/external.py
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#
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# Copyright (c) 2006 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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view class(es) for import/export.
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$Id$
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"""
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from zope.interface import Interface, implements
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from zope.app import zapi
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from zope.app.pagetemplate.viewpagetemplatefile import ViewPageTemplateFile
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from zope.cachedescriptors.property import Lazy
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from zope.security.proxy import removeSecurityProxy
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from cStringIO import StringIO
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from loops.external import IExternalContentSource
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from loops.external import ILoader, IExporter
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class NodesExportImport(object):
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""" View providing export and import functionality.
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"""
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def __init__(self, context, request):
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self.context = removeSecurityProxy(context)
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self.request = request
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self.message = u''
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def submit(self):
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action = self.request.get('loops.action', None)
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if action:
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method = getattr(self, action, None)
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if method:
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return method()
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return False
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def export(self):
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f = StringIO()
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exporter = IExporter(self.context)
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exporter.dumpData(f, noclose=True)
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text = f.getvalue()
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f.close()
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self.setDownloadHeader(self.request, text)
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return text
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def upload(self):
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data = self.request.get('field.data', None)
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if not data:
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return False
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importer = IExternalContentSource(self.context)
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text = importer.getData(data)
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loader = ILoader(self.context)
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loader.load(text)
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self.message = u'Content uploaded and imported.'
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return False
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def setDownloadHeader(self, request, text):
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response = request.response
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response.setHeader('Content-Disposition',
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'attachment; filename=yeepacontent.dmp')
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response.setHeader('Content-Type', 'text/plain')
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response.setHeader('Content-Length', len(text))
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