I filed a bug report for this on the pydal and py4web repo.
Am Di., 18. Mai 2021 um 20:45 Uhr schrieb Kevin Keller <keller...@gmail.com >: > Potentially. I woukd file a problem in github and use raw sql as > workaround for now. > > Adding the py4web community to this.... > > > > > > On Tue, May 18, 2021, 20:23 Chris <chriiisti...@gmail.com> wrote: > >> I could do it with pydal but with sqlite3 library worked perfect. Is >> maybe a pydal bug ? >> >> >> Cheers. >> >> -- >> Sent from Canary <https://canarymail.io> >> >> On martes, may. 18, 2021 at 1:59 p. m., Chris <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 >> >> -- >> Sent from Canary <https://canarymail.io> >> >> On martes, may. 18, 2021 at 1:51 p. m., Kevin Keller <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> 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> >>> >>> -- >>> 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) >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "web2py-users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to web2py+unsubscr...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/web2py/30b99d7b-941c-4387-80cd-9f521399af82%40Canary >>> <https://groups.google.com/d/msgid/web2py/30b99d7b-941c-4387-80cd-9f521399af82%40Canary?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> 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) >> --- >> You received this message because you are subscribed to the Google Groups >> "web2py-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to web2py+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/web2py/CADHCKLTUpqY99R9qfcgvJ7Thi9263LSbtD2XJx6NjEym-kLQgQ%40mail.gmail.com >> <https://groups.google.com/d/msgid/web2py/CADHCKLTUpqY99R9qfcgvJ7Thi9263LSbtD2XJx6NjEym-kLQgQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> -- >> 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) >> --- >> You received this message because you are subscribed to the Google Groups >> "web2py-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to web2py+unsubscr...@googlegroups.com. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/web2py/3f7419fc-a9e0-4ca6-b031-dd2839be2ca4%40Canary >> <https://groups.google.com/d/msgid/web2py/3f7419fc-a9e0-4ca6-b031-dd2839be2ca4%40Canary?utm_medium=email&utm_source=footer> >> . >> > -- 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) --- You received this message because you are subscribed to the Google Groups "web2py-users" group. 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