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I have been trying to debug this for quite a while now (and read lots of related Q/A on StackOverflow) but unable to figure this out.

Trying to setup Django on my Mac OS X 10.11.6. I followed the detailed tutorial. This is what I did:

1) Installed Python 3.5.2 (by directly downloading the package from the Python web site and running it).

2) Installed PostGres 9.5 using the fink package (fink install postgresql95)

3) Installed psycopg2 using the fink package (fink install psycopg2-py35).

4) Updated pip.

5) Setup a virtual environment and activated it.

6) After activating the environment, installed Django (via pip).

Next, when I tried to setup a sample app in the environment and ran python manage.py migrate, it gave me the error : Error loading psycopg2 module: No module named 'psycopg2'

After reading a lot of posts on StackOverflow, it seemed that I have to install psycopg2 again within the virtualenv (and for some reason, I cant use Fink again?). So as suggested on some posts, I tried to install it using:

pip install psycopg2

Got this error:Error: pg_config executable not found.

I am sure my Fink install of Postgres 9.5 was successful earlier, so I tried to search for pg_config from root dir:

sudo find . -name "pg_config"

But it returned nothing!

My question is, is it possible that fink package did not come with pg_config? If it didnt, is my only option now to uninstall postgres and install it with another package? (FYI: I was able to start PostGres and create a user and a database on it already)

Thanks in advance, Anupam

Update: After waiting a while to get answers from SO, I gave up and just uninstalled the postgres fink package. Then installed the postgres.app instead, on my mac. Working fine for me. The command python manage.py migrate worked fine for me this time and the psycopg2 installation also went fine (with pip). I wonder why the psycopg2 installation page (http://initd.org/psycopg/docs/install.html#installation) only mentions Fink and MacPorts as the installation options especially when the Fink packages dont seem to be very reliable. I had posted a message on the Fink users group also about improving the installation documentation in another context but didnt get a response : (

Anupam
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  • try `sudo find / -name pg_config` if it returns an existing path, then export that path as an `environment variable`. I am not familiar with mac os. In ubuntu I do export in `.bashrc` file. In mac I think it is `/etc/profile`. – cutteeth Oct 28 '16 at 08:25
  • tried that - returned nothing still : ( – Anupam Oct 28 '16 at 08:47
  • In case you are using postgres.app refer to this link http://stackoverflow.com/questions/20170895/mac-virtualenv-pip-postgresql-error-pg-config-executable-not-found – cutteeth Oct 28 '16 at 08:50
  • not using postgres.app. Just installed a Fink package – Anupam Oct 28 '16 at 11:06

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