Re: [PythonReports-users] Images

[alexander s. <al...@go...>]

On 10.02.2013 22:10, Werner F. Bruhin wrote:
>
>               buf= StringIO.StringIO()
>               img.save(buf, format= 'PNG')
>               temp = buf.getvalue()
>               return temp

This should be Ok.

> The image element is:
>
>       <image type="png">
>        <box height="30" width="75" x="374" y="50" />
>        <data> expr="ru.getRecipeImagePNG(THIS.id)"</data>
>       </image>
>
> But I get this traceback:

> File "c:\Python27\Lib\site-packages\PythonReports\PILDrivers.py", line
> 92, in fromdata
>     _rv._image = Image.open(StringIO(data))
> File "c:\Python27\Lib\site-packages\PIL\Image.py", line 1980, in open
>     raise IOError("cannot identify image file")
>
> And "data" in fromdata at line 92 is my expression string instead of the
> image data, as if the expression is never "run".
>
> data
> u'expr="ru.getRecipeImagePNG(THIS.id)"'

But of course!  Try <data expr="ru.getRecipeImagePNG(THIS.id)" />

Best wishes,
alex.