I could do it with pydal but with sqlite3 library worked perfect. Is maybe a 
pydal bug ?

Cheers.

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> On martes, may. 18, 2021 at 1:59 p. m., Chris <chriiisti...@gmail.com 
> (mailto:chriiisti...@gmail.com)> wrote:
> Data is already in binary in db.
>
>
>
> Making more test when pydal retrieve the blob data from the db is only 
> getting just a part of the information.
>
> When in print the rows after the select i get a small sample like this:
>
> images = cherry_db(cherry_db.image.node_id == 
> i['node_id']).select(cherry_db.image.node_id, cherry_db.image.png)
>
> for m in images:
> print(m['png’])
>
>
> b'<\xd1\x88\x1c4l\x04\x84\xce 0\x13\xc6\x01\r\xdd\xd0'
>
>
> Cheers
>
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> Sent from Canary (https://canarymail.io)
>
> > On martes, may. 18, 2021 at 1:51 p. m., Kevin Keller <keller...@gmail.com 
> > (mailto:keller...@gmail.com)> wrote:
> > I think you have to convert the image file to binary data before saving tad 
> > blob etc..?
> >
> > https://pynative.com/python-mysql-blob-insert-retrieve-file-image-as-a-blob-in-mysql/
> >
> >
> >
> > On Tue, May 18, 2021, 19:04 Chris <chriiisti...@gmail.com 
> > (mailto:chriiisti...@gmail.com)> wrote:
> > > Hi, i’m trying to read images from a existing sqlite db. For some reason 
> > > when i save the images to disk, they are corrupted.
> > > this is my code:
> > >
> > > cherry_db = DAL('sqlite://{}'.format(form.vars.cherry_file), 
> > > folder=upload_folder, migrate=False)
> > >
> > > cherry_db.define_table('image',
> > > Field('node_id', 'integer', requires=IS_NOT_EMPTY()),
> > > Field('png', 'blob')
> > > )
> > >
> > >
> > > images = cherry_db(cherry_db.image.node_id == 
> > > i['node_id']).select(cherry_db.image.node_id, cherry_db.image.png)
> > >
> > > for m in images:
> > > name = str(uuid.uuid4())
> > > print('image {}'.format(name))
> > > print(m['png'])
> > > im = open('{}'.format(session.project_folder+'/'+name+'.png'), 'wb')
> > > im.write(m['png'])
> > > im.close()
> > >
> > >
> > >
> > > Any help is appreciated
> > >
> > > Cheers.
> > > Chris.
> > >
> > > --
> > > Sent from Canary (https://canarymail.io)
> > >
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