author | Adrien Di Mascio <Adrien.DiMascio@logilab.fr> |
Fri, 27 Aug 2010 13:44:55 +0200 | |
branch | stable |
changeset 6165 | 7da7c270bbbd |
parent 6048 | 4695b1ee58a0 |
child 6140 | 65a619eb31c4 |
permissions | -rw-r--r-- |
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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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"""Specific views for entities adapting to IDownloadable""" |
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__docformat__ = "restructuredtext en" |
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_ = unicode |
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from logilab.mtconverter import BINARY_ENCODINGS, TransformError, xml_escape |
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from cubicweb import tags |
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from cubicweb.view import EntityView |
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from cubicweb.selectors import (one_line_rset, is_instance, match_context_prop, |
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adaptable, has_mimetype) |
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from cubicweb.mttransforms import ENGINE |
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from cubicweb.web import box, httpcache |
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from cubicweb.web.views import primary, baseviews |
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def download_box(w, entity, title=None, label=None, footer=u''): |
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req = entity._cw |
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w(u'<div class="sideBox">') |
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if title is None: |
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title = req._('download') |
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w(u'<div class="sideBoxTitle downloadBoxTitle"><span>%s</span></div>' |
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% xml_escape(title)) |
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w(u'<div class="sideBox downloadBox"><div class="sideBoxBody">') |
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w(u'<a href="%s"><img src="%s" alt="%s"/> %s</a>' |
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% (xml_escape(entity.cw_adapt_to('IDownloadable').download_url()), |
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req.uiprops['DOWNLOAD_ICON'], |
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_('download icon'), xml_escape(label or entity.dc_title()))) |
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w(u'%s</div>' % footer) |
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w(u'</div></div>\n') |
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|
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class DownloadBox(box.EntityBoxTemplate): |
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__regid__ = 'download_box' |
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# no download box for images |
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# XXX primary_view selector ? |
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__select__ = (one_line_rset() & match_context_prop() |
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& adaptable('IDownloadable') & ~has_mimetype('image/')) |
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order = 10 |
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def cell_call(self, row, col, title=None, label=None, **kwargs): |
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entity = self.cw_rset.get_entity(row, col) |
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download_box(self.w, entity, title, label) |
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class DownloadView(EntityView): |
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"""this view is replacing the deprecated 'download' controller and allow |
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downloading of entities providing the necessary interface |
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""" |
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__regid__ = 'download' |
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__select__ = one_line_rset() & adaptable('IDownloadable') |
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templatable = False |
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content_type = 'application/octet-stream' |
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binary = True |
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http_cache_manager = httpcache.EntityHTTPCacheManager |
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add_to_breadcrumbs = False |
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def set_request_content_type(self): |
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"""overriden to set the correct filetype and filename""" |
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entity = self.cw_rset.complete_entity(self.cw_row or 0, self.cw_col or 0) |
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adapter = entity.cw_adapt_to('IDownloadable') |
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encoding = adapter.download_encoding() |
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if encoding in BINARY_ENCODINGS: |
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contenttype = 'application/%s' % encoding |
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encoding = None |
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else: |
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contenttype = adapter.download_content_type() |
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self._cw.set_content_type(contenttype or self.content_type, |
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filename=adapter.download_file_name(), |
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encoding=encoding) |
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def call(self): |
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entity = self.cw_rset.complete_entity(self.cw_row or 0, self.cw_col or 0) |
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adapter = entity.cw_adapt_to('IDownloadable') |
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self.w(adapter.download_data()) |
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def last_modified(self): |
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return self.cw_rset.get_entity(self.cw_row or 0, self.cw_col or 0).modification_date |
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class DownloadLinkView(EntityView): |
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"""view displaying a link to download the file""" |
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__regid__ = 'downloadlink' |
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__select__ = adaptable('IDownloadable') |
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title = None # should not be listed in possible views |
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def cell_call(self, row, col, title=None, **kwargs): |
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entity = self.cw_rset.get_entity(row, col) |
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url = xml_escape(entity.cw_adapt_to('IDownloadable').download_url()) |
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self.w(u'<a href="%s">%s</a>' % (url, xml_escape(title or entity.dc_title()))) |
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class IDownloadablePrimaryView(primary.PrimaryView): |
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__select__ = adaptable('IDownloadable') |
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def render_entity_attributes(self, entity): |
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self.w(u'<div class="content">') |
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adapter = entity.cw_adapt_to('IDownloadable') |
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contenttype = adapter.download_content_type() |
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if contenttype.startswith('image/'): |
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self._cw.add_js('cubicweb.image.js') |
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self.wview('image', entity.cw_rset, row=entity.cw_row, col=entity.cw_col, |
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link=True, klass='contentimage') |
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super(IDownloadablePrimaryView, self).render_entity_attributes(entity) |
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elif contenttype.endswith('html'): |
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self.wview('downloadlink', entity.cw_rset, title=self._cw._('download'), row=entity.cw_row) |
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self.wview('ehtml', entity.cw_rset, row=entity.cw_row, col=entity.cw_col, |
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height='600px', width='100%') |
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else: |
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super(IDownloadablePrimaryView, self).render_entity_attributes(entity) |
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self.wview('downloadlink', entity.cw_rset, title=self._cw._('download'), row=entity.cw_row) |
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self.render_data(entity, contenttype, 'text/html') |
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self.w(u'</div>') |
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133 |
|
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134 |
def render_data(self, entity, sourcemt, targetmt): |
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adapter = entity.cw_adapt_to('IDownloadable') |
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136 |
if ENGINE.find_path(sourcemt, targetmt): |
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137 |
try: |
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138 |
self.w(entity._cw_mtc_transform(adapter.download_data(), sourcemt, |
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139 |
targetmt, adapter.download_encoding())) |
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140 |
except Exception, ex: |
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141 |
self.exception('while rendering data for %s', entity) |
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142 |
msg = self._cw._("can't display data, unexpected error: %s") \ |
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143 |
% xml_escape(unicode(ex)) |
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144 |
self.w('<div class="error">%s</div>' % msg) |
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145 |
return True |
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146 |
return False |
0 | 147 |
|
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148 |
|
0 | 149 |
class IDownloadableLineView(baseviews.OneLineView): |
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150 |
__select__ = adaptable('IDownloadable') |
0 | 151 |
|
152 |
def cell_call(self, row, col, title=None, **kwargs): |
|
2530 | 153 |
"""the oneline view is a link to download the file""" |
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154 |
entity = self.cw_rset.get_entity(row, col) |
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155 |
url = xml_escape(entity.absolute_url()) |
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156 |
adapter = entity.cw_adapt_to('IDownloadable') |
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157 |
name = xml_escape(title or adapter.download_file_name()) |
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158 |
durl = xml_escape(adapter.download_url()) |
0 | 159 |
self.w(u'<a href="%s">%s</a> [<a href="%s">%s</a>]' % |
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160 |
(url, name, durl, self._cw._('download'))) |
0 | 161 |
|
162 |
||
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163 |
class AbstractEmbeddedView(EntityView): |
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164 |
__abstract__ = True |
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165 |
|
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166 |
_embedding_tag = None |
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167 |
|
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168 |
def call(self, **kwargs): |
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169 |
rset = self.cw_rset |
0 | 170 |
for i in xrange(len(rset)): |
171 |
self.w(u'<div class="efile">') |
|
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172 |
self.wview(self.__regid__, rset, row=i, col=0, **kwargs) |
0 | 173 |
self.w(u'</div>') |
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174 |
|
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175 |
def cell_call(self, row, col, link=False, **kwargs): |
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176 |
entity = self.cw_rset.get_entity(row, col) |
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177 |
adapter = entity.cw_adapt_to('IDownloadable') |
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178 |
tag = self._embedding_tag(src=adapter.download_url(), |
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179 |
alt=(self._cw._('download %s') % adapter.download_file_name()), |
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180 |
**kwargs) |
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181 |
if link: |
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182 |
self.w(u'<a href="%s">%s</a>' % (adapter.download_url(), tag)) |
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183 |
else: |
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184 |
self.w(tag) |
0 | 185 |
|
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186 |
|
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187 |
class ImageView(AbstractEmbeddedView): |
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188 |
__regid__ = 'image' |
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189 |
__select__ = has_mimetype('image/') |
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190 |
|
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191 |
title = _('image') |
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192 |
_embedding_tag = tags.img |
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193 |
|
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194 |
|
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195 |
class EHTMLView(AbstractEmbeddedView): |
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196 |
__regid__ = 'ehtml' |
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197 |
__select__ = has_mimetype('text/html') |
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198 |
|
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199 |
title = _('embedded html') |
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200 |
_embedding_tag = tags.iframe |
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201 |
|
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202 |
|
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203 |