pg_config executable not found

Question

I am having trouble installing psycopg2. I get the following error when I try to pip install psycopg2:

Error: pg_config executable not found.

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Answer 1

On MacOS, the simplest solution will be to symlink the correct binary, that is under the Postgres package.

sudo ln -s /Applications/Postgres.app/Contents/Versions/latest/bin/pg_config /usr/local/bin/pg_config

This is fairly harmless, and all the applications will be able to use it system wide, if required.