Hi,
the encode-decode problem on question 1 is mostly related to the opening of
files. For example:
filename = os.path.join(FOLDER, subfolder, 'chapters.txt')
if PY2:
lines = open(filename)
else:
lines = open(filename, encoding='utf-8')
In PY2 there is no option for the encoder, while on PY3 it is mandatory.
I'm still learning, too ;-)
Nico
Il giorno gio 11 ott 2018 alle ore 16:16 Ben Duncan <linux...@gmail.com> ha
scritto:
> Exactly what are you running into?
>
> I ran into this with my rewrite of of extract extract_pgsql_models.py:
> ......
> f['type'] = "'decimal({},{})'".format(f['precision'],f['scale'])
> had to become
> f['type'] = "'decimal({0},{1})'".format(f['precision'],f['scale'])
>
> And so one.
>
> The changes work across Python 2.7 and 3.6 seamlessly now ...
>
> FWIW, I'm just making the transition to Python 3,6 so I'm learning things
> the hard way ...
>
> Ben Duncan
>
>
> On Wed, Oct 10, 2018 at 4:02 PM Nico Zanferrari <nicoz...@gmail.com>
> wrote:
>
>> Hello,
>>
>> I'm playing with the web2py-book app, in order to make it python 3
>> compatible and also to improve it a bit. I have a couple of questions
>> related to default.py:
>>
>> 1. there were some encode-decode errors. I was able to resolve them (see
>> https://github.com/nicozanf/web2py-book for a preview) but I was forced
>> to use many "IF PY2 / else" conditions, in order to preserve python 2.7
>> compatibility. Is there a more elegant and pythonic solution to manage
>> this and similar situations?
>>
>> 2. I've added a try/except condition, in order to catch a missing library
>> (pygments). It works fine, but the session.flash error message is not
>> displayed at all because it's followed by a redirect to index itself and
>> there is a session.forget() on the top that cleans it. If I comment the
>> session.forget() the flash message is correctly displayed. What can I do?
>>
>> Cheers,
>> Nico
>>
>> --
>> 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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>>
> --
> 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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--
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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