Re: Re: Python-3-Migration of existing Data.fs

This bug should happen because in python3 all strings are unicode by
default.

Atenciosamente,
Rodrigo Ferreira de Souza

python -c "n='H+6(13+zT5((51(9z65zG+%
9';s=len(n)-1;i=list(range(s+1))[::-1]+list(range(1,s+1));print('\n'.join(['
'.join([chr(154-ord(n[(x if x > y else y)])) for y in i]) for x in i]))"


On Tue, Mar 20, 2018 at 9:22 AM, Arthur LEDARD <[email protected]>
wrote:

> Hi,
>
> I’m trying to migrate my Data.fs.
> I use your code, but I’m stuck with a non expected problem.
>
> Using python2, my oid are pickled in a format "U\x08\x00\x00\x00\x00\x00\
> x00\x03\xeaq\x03"
> The format seems correct, but is not understood with python3 :
> UnicodeDecodeError.
>
> I was expecting to have problems with data, not oid. Did you face this
> problem?
> Did you succeed in your migrations?
>
> Regards,
>
> Arthur
> Le lundi 23 mai 2016 16:48:18 UTC+1, mh a écrit :
>>
>> Hi,
>>
>> at "Berlin Strategic sprint 2016“ [1] Florian Pilz and me developed a
>> tool to analyze a ZODB Filestorage for Python 2 string objects. When they
>> are in an encoding besides ASCII this would prevent using this Filestorage
>> with Python 3 because of decoding errors arising on loading the pickles.
>> The tool is even able to convert those strings either to unicode by
>> decoding them using a configurable encoding or convert them to
>> `zodbpickle.binary` so Python 3 will read them as `bytes`.
>> See [3] for the documentation of the tool and [2] for the repository on
>> GitHub.
>>
>> * Is there already another tool for this analysis/migration?
>> * Is there already any practical knowledge migrating Filestorage contents
>> to Python 3?
>> * Do you think such a tool is the right approach to achieve such a
>> migration?
>> * Is there anyone who wants to try out the tool on a Filestorage of a
>> personal project and share the experiences? (I analyzed two projects where
>> I have access to a Filestorage but I am sure this does not catch all the
>> edge cases.)
>>
>>
>>
>> [1] http://gil.badall.net/2016/05/20/berlin-2016-sprint-update/
>> [2] https://github.com/gocept/zodb.py3migrate
>> [3] https://pythonhosted.org/zodb.py3migrate/
>>
>> --
>> Michael Howitz · [email protected] · software developer
>> gocept gmbh & co. kg · Forsterstraße 29 · 06112 Halle (Saale) · Germany
>> <https://maps.google.com/?q=Forsterstra%C3%9Fe+29+%C2%B7+06112+Halle+(Saale)+%C2%B7+Germany&entry=gmail&source=g>
>> http://gocept.com · Tel +49 345 1229889-8 <+49%20345%2012298898>
>> Python, Pyramid, Plone, Zope · consulting, development, hosting,
>> operations
>>
>> --
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