Try replace

    f.seek(0)
    return f.read()

with

    return f.getvalue()

if it does not work than it is a PyExelerator issue

On Jul 18, 8:32 pm, 陶艺夫 <artman...@gmail.com> wrote:
> Hi, all friends.
> I'm using PyExelerator to create Excel report for users to download. I tried
> to save the Workbook object to a StringIO which is said a file-like object,
> but the result is an empty file. Following are the codes:
>
> def get_report():
>     #.... generating workbook codes
>     f = StringIO.StringIO()
>     doc = CompoundDoc.XlsDoc()
>     doc.save_to(f,w.get_biff_data())
>     #the "doc.save_to" func was added to the Workbook class in the
> pyExelerator's module by myself. There was a original
>     #"save" method there take two argument, the first one is a file object,
> the second one is the same as mine.
>     response.headers['Content-type']='application/vnd.ms-excel'
>     response.headers['Content-Disposition']='attachment; filename=test.xls'
>     response.headers['Content-Title']='test.xls'
>     response.headers['Content-Length'] = f.tell()
>     f.seek(0)
>     return f.read()
>
> What's the problem? Thanks in advance.
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