[Product-Developers] Plone 4.3: AttributeError: 'FileChunk' object has no attribute 'read'

[Andreas Jung]

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Next upgrade fun with Plone 4.3:

2013-05-26 19:24:47 ERROR root could not scale
"<plone.namedfile.file.NamedImage object at 0x18f5c5f0>" of
'http://zopyx.com:8089/Plone/de/rotator-1'
Traceback (most recent call last):
  File
"/home/plone/.buildout/eggs/plone.namedfile-2.0.1-py2.7.egg/plone/namedfile/scaling.py",
line 196, in create
    result = scaleImage(orig_data, direction=direction, height=height,
width=width, **parameters)
  File "build/bdist.linux-x86_64/egg/plone/scale/scale.py", line 31, in
scaleImage
    image = PIL.Image.open(image)
  File
"/home/plone/.buildout/eggs/Pillow-1.7.8-py2.7-linux-x86_64.egg/PIL/Image.py",
line 1953, in open
    prefix = fp.read(16)
AttributeError: 'FileChunk' object has no attribute 'read'
2013-05-26 19:24:47 ERROR Zope.SiteErrorLog 1369589087.310.780236486296
http://zopyx.com:8089/Plone/de/folder_listing
Traceback (innermost last):
  Module ZPublisher.Publish, line 126, in publish
  Module ZPublisher.mapply, line 77, in mapply
  Module ZPublisher.Publish, line 46, in call_object
  Module Shared.DC.Scripts.Bindings, line 322, in __call__
  Module Shared.DC.Scripts.Bindings, line 359, in _bindAndExec
  Module Products.CMFCore.FSPageTemplate, line 237, in _exec
  Module Products.CMFCore.FSPageTemplate, line 177, in pt_render
  Module Products.PageTemplates.PageTemplate, line 79, in pt_render
  Module zope.pagetemplate.pagetemplate, line 132, in pt_render
  Module zope.pagetemplate.pagetemplate, line 240, in __call__
  Module zope.tal.talinterpreter, line 271, in __call__
  Module zope.tal.talinterpreter, line 343, in interpret
  Module zope.tal.talinterpreter, line 888, in do_useMacro
  Module zope.tal.talinterpreter, line 343, in interpret
  Module zope.tal.talinterpreter, line 533, in do_optTag_tal
  Module zope.tal.talinterpreter, line 518, in do_optTag
  Module zope.tal.talinterpreter, line 513, in no_tag
  Module zope.tal.talinterpreter, line 343, in interpret
  Module zope.tal.talinterpreter, line 852, in do_condition
  Module zope.tal.talinterpreter, line 343, in interpret
  Module zope.tal.talinterpreter, line 821, in do_loop_tal
  Module zope.tal.talinterpreter, line 343, in interpret
  Module zope.tal.talinterpreter, line 531, in do_optTag_tal
  Module zope.tal.talinterpreter, line 513, in no_tag
  Module zope.tal.talinterpreter, line 343, in interpret
  Module zope.tal.talinterpreter, line 742, in do_insertStructure_tal
  Module Products.PageTemplates.Expressions, line 218, in evaluateStructure
  Module zope.tales.tales, line 696, in evaluate
   - URL:
file:/home/plone/zopyx.com-relaunch-plone-43/src/zopyx.com.theme/zopyx/com/theme/skins/zopyx_theme_custom_templates/main_template.pt
   - Line 122, Column 27
   - Expression: <PythonExpr scale.scale('image', width=360,
height=230).tag()>
   - Names:
      {'container': <ATFolder at /Plone/de>,
       'context': <ATFolder at /Plone/de>,
       'default': <object object at 0x2b768fadeb80>,
       'here': <ATFolder at /Plone/de>,
       'loop': {u'img': <Products.PageTemplates.Expressions.PathIterator
object at 0x18587f50>},
       'nothing': None,
       'options': {'args': ()},
       'repeat': <Products.PageTemplates.Expressions.SafeMapping object
at 0x18921c58>,
       'request': <HTTPRequest,
URL=http://zopyx.com:8089/Plone/de/folder_listing>,
       'root': <Application at >,
       'template': <FSPageTemplate at /Plone/de/folder_listing>,
       'traverse_subpath': [],
       'user': <PropertiedUser 'ajung'>}
  Module Products.PageTemplates.ZRPythonExpr, line 48, in __call__
   - __traceback_info__: scale.scale('image', width=360, height=230).tag()
  Module PythonExpr, line 1, in <expression>
  Module AccessControl.ImplPython, line 675, in guarded_getattr
AttributeError: 'NoneType' object has no attribute 'tag'

- -aj
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