web/views/xbel.py
author Sylvain Thénault <sylvain.thenault@logilab.fr>
Mon, 15 Feb 2010 18:44:47 +0100
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"""xbel views
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:organization: Logilab
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:copyright: 2001-2010 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
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:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
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:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
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"""
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__docformat__ = "restructuredtext en"
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_ = unicode
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from logilab.mtconverter import xml_escape
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from cubicweb.selectors import implements
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from cubicweb.view import EntityView
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from cubicweb.web.views.xmlrss import XMLView
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class XbelView(XMLView):
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    __regid__ = 'xbel'
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    title = _('xbel')
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    templatable = False
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    content_type = 'text/xml' #application/xbel+xml
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    def cell_call(self, row, col):
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        self.wview('xbelitem', self.cw_rset, row=row, col=col)
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    def call(self):
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        """display a list of entities by calling their <item_vid> view"""
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        title = self.page_title()
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        url = self._cw.build_url(rql=self._cw.form.get('rql', ''))
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        self.w(u'<?xml version="1.0" encoding="%s"?>\n' % self._cw.encoding)
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        self.w(u'<!DOCTYPE xbel PUBLIC "+//IDN python.org//DTD XML Bookmark Exchange Language 1.0//EN//XML" "http://www.python.org/topics/xml/dtds/xbel-1.0.dtd">')
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        self.w(u'<xbel version="1.0">')
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        self.w(u'<title>%s</title>' % self._cw._('bookmarks'))
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        for i in xrange(self.cw_rset.rowcount):
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            self.cell_call(i, 0)
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        self.w(u"</xbel>")
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class XbelItemView(EntityView):
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    __regid__ = 'xbelitem'
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    def cell_call(self, row, col):
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        entity = self.cw_rset.complete_entity(row, col)
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        self.w(u'<bookmark href="%s">' % xml_escape(self.url(entity)))
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        self.w(u'  <title>%s</title>' % xml_escape(entity.dc_title()))
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        self.w(u'</bookmark>')
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    def url(self, entity):
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        return entity.absolute_url()
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class XbelItemBookmarkView(XbelItemView):
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    __select__ = implements('Bookmark')
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    def url(self, entity):
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        return entity.actual_url()
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