Re: Qt runtime issue on python 3 + patch - Mailing list pgadmin-hackers

Hi Surinder,

On Sat, Jun 11, 2016 at 11:08 PM, Dave Page <dpage@pgadmin.org> wrote:

Hi

On Sat, Jun 11, 2016 at 2:17 PM, Asser Schrøder Femø
<asser.femoe@gmail.com> wrote:
> Hello pgadmin hackers,
>
> I checked out the newly released beta and wanted to see how easy it would be
> to package for Arch Linux, but ran into this error with the Qt runtime:
>
> Python path:
> "/home/asser/.virtualenvs/pgadmin4-python34/lib/python3.4/site-packages;/home/asser/src/pgadmin4-beta1/web"
> Webapp path:  "/home/asser/projects/pgadmin4/web/pgAdmin4.py"
> Traceback (most recent call last):
>   File "/home/asser/projects/pgadmin4/web/pgAdmin4.py", line 23, in <module>
>     import config
>   File "/home/asser/projects/pgadmin4/web/config.py", line 255, in <module>
>     from config_local import *
>   File "<frozen importlib._bootstrap>", line 2237, in _find_and_load
>   File "<frozen importlib._bootstrap>", line 2222, in
> _find_and_load_unlocked
>   File "<frozen importlib._bootstrap>", line 2164, in _find_spec
>   File "<frozen importlib._bootstrap>", line 1940, in find_spec
>   File "<frozen importlib._bootstrap>", line 1914, in _get_spec
>   File "<frozen importlib._bootstrap>", line 2049, in find_spec
>   File "<frozen importlib._bootstrap>", line 53, in _path_join
>   File "<frozen importlib._bootstrap>", line 53, in <listcomp>
> TypeError: 'str' does not support the buffer interface
> "Failed to launch the application server, server thread exiting."
>
> According to Stackoverflow, exchanging PyBytes_FromString with
> PyUnicode_DecodeFSDefault when building the pythonpath makes it work again
> (see attached diff). I don't know why though, perhaps somebody will be able
> to enlighten me :-)
>
> Same issue and fix on Python 3.4 and 3.5 on Arch Linux. I don't know if the
> patch has any complications on other platforms.

If I'm reading the docs right, PyUnicode_DecodeFSDefault was added in
Python 3.3, so I've tweaked the patch a little (see attached). I know
the current code has worked on some 3.x versions but I don't know
which exactly as I don't currently have them here, but I'll bet it was
3.2 or below. Ashesh - can you have the most appropriate person from
the team check this works on 3.0 through 3.5 please?

Can you please take a look at it?

--

Thanks & Regards,

Ashesh Vashi
EnterpriseDB INDIA: Enterprise PostgreSQL Company

http://www.linkedin.com/in/asheshvashi 

> Thanks for building the successor to pgAdmin3! It already looks good and I'm
> looking forward to further refinement. Hopefully I'll be able to contribute
> a bit along the way.

Cool - many thanks!

--
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake

EnterpriseDB UK: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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