Error Installing Psycopg2 on MACos 10.9.5

Error Installing Psycopg2 on MacOS 10.9.5

I ran pip install psycopg2-binary and it worked like charm

More info about the binary package

Python 3

pip3 install psycopg2-binary

Error when installing psycopg2 for my Mac

"please install the PyPI 'psycopg2-binary'"

You can do this by running the following

pip install psycopg2-binary

Python( Django ) pip install psycopg2 error in MacOS

I think you don't have Postgres installed, you can install by using

brew install postgresql

that helps your problem. after that, you can install pip dependency packages

How to install psycopg2 with pip on Python?

Note: Since a while back, there are binary wheels for Windows in PyPI, so this should no longer be an issue for Windows users. Below are solutions for Linux, Mac users, since lots of them find this post through web searches.

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Option 1

Install the psycopg2-binary PyPI package instead, it has Python wheels for Linux and Mac OS.

pip install psycopg2-binary

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Option 2

Install the prerequsisites for building the psycopg2 package from source:

Debian/Ubuntu

Python 3

sudo apt install libpq-dev python3-dev

You might need to install python3.8-dev or similar for e.g. Python 3.8.

Python 2

sudo apt install libpq-dev python-dev

If that's not enough, try

sudo apt install build-essential

or

sudo apt install postgresql-server-dev-all

as well before installing psycopg2 again.

CentOS 6

See Banjer's answer

macOS

See nichochar's answer

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