Hi Joe,

psycopg2 installs on mac (I have it on 3).  'pip install' will fail because 
psycopg2 needs the postgresql client libraries already installed.  If you 
have homebrew just do a 'brew postgresql' followed by 'pip install 
psycopg2'.  It should work.

Cheers,
Julian

On Thursday, September 8, 2016 at 9:43:02 PM UTC-5, Joe Barnhart wrote:
>
> Hi Massimo --
>
> Two issues...
>
> 1.  I use a Mac.  For whatever reason, psycopg2 does not "pip install" on 
> a Mac.  I researched it for a day or so -- even AFTER having had it WORKING 
> on my system until I "upgraded" to El Capitan and it all quit.  I am so 
> done with psycopg2 because its installation is crap.
>
> 2.  The future belongs to pypy and psycopg2 doesn't work with it.  pg8000 
> does.  There is a psycopg2.cffi but I don't know how mature it is.
>
> It's all enough to make me want to switch to MySql!
>
> -- Joe
>
>
> On Wednesday, September 7, 2016 at 5:38:57 PM UTC-7, Massimo Di Pierro 
> wrote:
>>
>> I strongly recommend you do not use pg8000. We always run into issues 
>> with it. 
>>
>> pip install psycopg2
>>
>> Massimo
>>
>  
>

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