In [16]: db.mytable.fieldname_field.retrieve(row.fieldname_field,
nameonly=True)[1]
Out[16]: <cStringIO.StringI at 0x48cf9f0>

In [17]: db.mytable.fieldname_field.retrieve(row.fieldname_field)[1]
Out[17]: <cStringIO.StringI at 0x48cf9f0>

Idem :(

Richard


On Sun, May 4, 2014 at 3:49 PM, Richard Vézina
<[email protected]>wrote:

> I saw the StringIO content of the blob. I had write a file manually with
> that blob content... I may have not look carefully... I will have another
> look.
>
> Richard
>
>
> On Sun, May 4, 2014 at 2:51 PM, Niphlod <[email protected]> wrote:
>
>> not sure what you want to accomplish.... but....
>>
>>
>> http://web2py.readthedocs.org/en/latest/dal.html#gluon.dal.DAL.Field.retrieve
>>
>> you're using nameonly, that explicitely doesn't return any content.
>>
>>
>> On Sunday, May 4, 2014 7:58:03 PM UTC+2, Richard wrote:
>>>
>>> Hello,
>>>
>>> I try to extract file from upload field of type blob to store my files
>>> on file system instead.
>>>
>>> I get there so far :
>>>
>>> rows = db().select(db.mytable.id, db.mytable.filename_field,
>>> db.mytable.blob_field)
>>> for i, row in enumerate(rows):
>>>     if row.filename_field != '' and row.filename_field is not None:
>>>         db(db.mytable.id == row.id).update(
>>>             new_field_upload=db.mytable.filename_field.store(
>>>                 db.mytable.filename_field.retrieve(row.filename_field,
>>> nameonly=True)[1],  # Blob content, the file
>>>                 db.mytable.filename_field.retrieve(row.filename_field,
>>> nameonly=True)[0],  # Filename
>>>                 None
>>>                 ))
>>>     if i % 10 == 0:
>>>         db.commit()
>>>
>>> db.commit()
>>>
>>>
>>> The filename get created and sotered correctly in  new_field_upload, but
>>> the file from the blob content don't get write in uploads/mytable.new_field_
>>> upload/HERE_IN_SUB_RANDOM_FOLDER_NAMES
>>>
>>> Notting get write to disk... Is .store() method not suppose to doing
>>> just that?
>>>
>>> I will make a slice about that if I can get it to work properly.
>>>
>>> I was despointed this snippet wasn't there already.
>>>
>>> :(
>>>
>>> Thanks
>>>
>>> Richard
>>>
>>  --
>> Resources:
>> - http://web2py.com
>> - http://web2py.com/book (Documentation)
>> - http://github.com/web2py/web2py (Source code)
>> - https://code.google.com/p/web2py/issues/list (Report Issues)
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>
>

-- 
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- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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