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−# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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−# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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−#
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−# This file is part of CubicWeb.
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−#
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−# CubicWeb is free software: you can redistribute it and/or modify it under the
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−# terms of the GNU Lesser General Public License as published by the Free
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−# Software Foundation, either version 2.1 of the License, or (at your option)
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−# any later version.
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−#
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−# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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−# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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−# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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−# details.
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−#
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−# You should have received a copy of the GNU Lesser General Public License along
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−# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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−"""mime type transformation engine for cubicweb, based on mtconverter
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−
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−"""
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−__docformat__ = "restructuredtext en"
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−
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−from logilab import mtconverter
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−
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−from logilab.mtconverter.engine import TransformEngine
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−from logilab.mtconverter.transform import Transform
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−from cubicweb.uilib import rest_publish, html_publish, remove_html_tags
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−
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−HTML_MIMETYPES = ('text/html', 'text/xhtml', 'application/xhtml+xml')
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−# CubicWeb specific transformations
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−
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−class rest_to_html(Transform):
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−    inputs = ('text/rest', 'text/x-rst')
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−    output = 'text/html'
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−    def _convert(self, trdata):
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−        return rest_publish(trdata.appobject, trdata.decode())
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−
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−class html_to_html(Transform):
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−    inputs = HTML_MIMETYPES
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−    output = 'text/html'
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−    def _convert(self, trdata):
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−        return html_publish(trdata.appobject, trdata.data)
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−
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−
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−# Instantiate and configure the transformation engine
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−
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−mtconverter.UNICODE_POLICY = 'replace'
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−
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−ENGINE = TransformEngine()
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−ENGINE.add_transform(rest_to_html())
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−ENGINE.add_transform(html_to_html())
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−
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−HAS_PIL_TRANSFORMS = False
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−HAS_PYGMENTS_TRANSFORMS = False
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−
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−class html_to_text(Transform):
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−    inputs = HTML_MIMETYPES
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−    output = 'text/plain'
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−    def _convert(self, trdata):
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−        return remove_html_tags(trdata.data)
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−ENGINE.add_transform(html_to_text())