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1 ### -*- coding: utf-8 -*- #################################################### |
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2 ############################################################################## |
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3 # |
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4 # Copyright (c) 2008 Thierry Florac <tflorac AT ulthar.net> |
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5 # All Rights Reserved. |
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6 # |
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7 # This software is subject to the provisions of the Zope Public License, |
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8 # Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution. |
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9 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED |
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10 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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11 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS |
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12 # FOR A PARTICULAR PURPOSE. |
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13 # |
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14 ############################################################################## |
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15 """ |
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16 |
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17 $Id: $ |
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18 """ |
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19 |
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20 __version__ = "$Revision: $" |
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21 __release__ = "$Id: $" |
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22 __docformat__ = "restructuredtext" |
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23 |
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24 # import standard packages |
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25 |
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26 # import Zope3 interfaces |
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27 from zope.app.file.interfaces import IFile |
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28 from zope.schema.interfaces import IBytes |
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29 from z3c.form.interfaces import IFileWidget |
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30 |
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31 # import local interfaces |
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32 |
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33 # import Zope3 packages |
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34 from zope import component |
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35 from zope.app.file import File |
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36 from zope.schema.fieldproperty import FieldProperty |
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37 from z3c.form.converter import FileUploadDataConverter as BaseDataConverter |
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38 |
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39 # import local packages |
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40 |
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41 |
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42 class FileUploadDataConverter(BaseDataConverter): |
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43 |
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44 component.adapts(IBytes, IFileWidget) |
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45 |
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46 def toWidgetValue(self, value): |
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47 return value or '' |