author | Rémi Cardona <remi.cardona@logilab.fr> |
Wed, 13 May 2015 17:13:00 +0200 | |
changeset 10422 | 2b54acb271cb |
parent 10006 | 8391bf718485 |
child 10609 | e2d8e81bfe68 |
permissions | -rw-r--r-- |
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# copyright 2003-2014 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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""" |
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Specific views for entities adapting to IDownloadable |
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===================================================== |
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""" |
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__docformat__ = "restructuredtext en" |
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_ = unicode |
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|
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use xml_escape
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from logilab.mtconverter import BINARY_ENCODINGS, TransformError, xml_escape |
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from logilab.common.deprecation import class_renamed, deprecated |
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|
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from cubicweb import tags |
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from cubicweb.view import EntityView |
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from cubicweb.predicates 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 component, httpcache |
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from cubicweb.web.views import primary, baseviews |
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||
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class DownloadBox(component.EntityCtxComponent): |
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"""add download box""" |
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__regid__ = 'download_box' # no download box for images |
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__select__ = (component.EntityCtxComponent.__select__ & |
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adaptable('IDownloadable') & ~has_mimetype('image/')) |
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|
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order = 10 |
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title = _('download') |
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|
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def init_rendering(self): |
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self.items = [self.entity] |
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|
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def render_body(self, w): |
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for item in self.items: |
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idownloadable = item.cw_adapt_to('IDownloadable') |
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w(u'<a href="%s"><img src="%s" alt="%s"/> %s</a>' |
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% (xml_escape(idownloadable.download_url()), |
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self._cw.uiprops['DOWNLOAD_ICON'], |
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self._cw._('download icon'), |
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xml_escape(idownloadable.download_file_name()))) |
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|
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class DownloadView(EntityView): |
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"""download view |
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|
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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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disposition='attachment') |
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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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|
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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%') |
0 | 127 |
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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132 |
|
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133 |
def render_data(self, entity, sourcemt, targetmt): |
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134 |
adapter = entity.cw_adapt_to('IDownloadable') |
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135 |
if ENGINE.find_path(sourcemt, targetmt): |
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136 |
try: |
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137 |
self.w(entity._cw_mtc_transform(adapter.download_data(), sourcemt, |
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138 |
targetmt, adapter.download_encoding())) |
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139 |
except Exception as ex: |
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140 |
self.exception('while rendering data for %s', entity) |
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141 |
msg = self._cw._("can't display data, unexpected error: %s") \ |
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142 |
% xml_escape(unicode(ex)) |
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143 |
self.w('<div class="error">%s</div>' % msg) |
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144 |
return True |
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145 |
return False |
0 | 146 |
|
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147 |
|
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[idownloadable] oneline view display entity's default title instead of file name, while download box display file name
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148 |
class IDownloadableOneLineView(baseviews.OneLineView): |
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149 |
__select__ = adaptable('IDownloadable') |
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|
151 |
def cell_call(self, row, col, title=None, **kwargs): |
|
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"""the oneline view is a link to download the file""" |
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entity = self.cw_rset.get_entity(row, col) |
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use xml_escape
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url = xml_escape(entity.absolute_url()) |
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adapter = entity.cw_adapt_to('IDownloadable') |
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name = xml_escape(title or entity.dc_title()) |
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157 |
durl = xml_escape(adapter.download_url()) |
0 | 158 |
self.w(u'<a href="%s">%s</a> [<a href="%s">%s</a>]' % |
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159 |
(url, name, durl, self._cw._('download'))) |
0 | 160 |
|
161 |
||
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162 |
class AbstractEmbeddedView(EntityView): |
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163 |
__abstract__ = True |
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164 |
|
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165 |
_embedding_tag = None |
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166 |
|
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167 |
def call(self, **kwargs): |
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168 |
rset = self.cw_rset |
0 | 169 |
for i in xrange(len(rset)): |
170 |
self.w(u'<div class="efile">') |
|
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171 |
self.wview(self.__regid__, rset, row=i, col=0, **kwargs) |
0 | 172 |
self.w(u'</div>') |
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173 |
|
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174 |
def cell_call(self, row, col, link=False, **kwargs): |
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entity = self.cw_rset.get_entity(row, col) |
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176 |
adapter = entity.cw_adapt_to('IDownloadable') |
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[pylint] fix pylint detected errors and tweak it so that pylint -E will be much less verbose next time (+ update some copyrights on the way)
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177 |
tag = self._embedding_tag(src=adapter.download_url(), # pylint: disable=E1102 |
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178 |
alt=(self._cw._('download %s') % adapter.download_file_name()), |
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179 |
**kwargs) |
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180 |
if link: |
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181 |
self.w(u'<a href="%s">%s</a>' % (adapter.download_url(), tag)) |
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182 |
else: |
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183 |
self.w(tag) |
0 | 184 |
|
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185 |
|
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186 |
class ImageView(AbstractEmbeddedView): |
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187 |
"""image embedded view""" |
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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 |
"""html embedded view""" |
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197 |
__regid__ = 'ehtml' |
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198 |
__select__ = has_mimetype('text/html') |
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199 |
|
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200 |
title = _('embedded html') |
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201 |
_embedding_tag = tags.iframe |
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202 |
|
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203 |
|
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204 |