Installation: Prerequisites¶

The following items are required to install CoG for developmental purposes:

A system running a *-nix operating system, including Cent-OS, Linux and MacOSX

Step 1: Install Python¶

Install Anaconda
2.7.10 does not work with cog, you will need to downgrade

#downgrade python install conda install
conda install python=2.7.9

Python setup_tools (should come with python)

Step 2: Install Postgres¶

http://postgresapp.com/
http://postgresapp.com/documentation/cli-tools.html
you may need to add the location of the pg_config file to your $PATH

Step 3: Set up git and github¶

Install git: https://git-scm.com/download/mac
Generate SSH keys: https://help.github.com/articles/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent/
Add the SSH keys to your github account: https://help.github.com/articles/adding-a-new-ssh-key-to-your-github-account/
Setup username and email

git config –global user.name “username”

git config –global email “email”

Step 4: Update pip¶

pip install -U pip

Step 5: Install virtualenv¶

pip install virtualenv

Step 6: (CentOS only) Install C-headers for sqlite-devel and freetype-devel¶

yum install sqlite-devel freetype-devel

Step 7: (MacOSX only) Copy image libraries¶

Ensure the following libraries are located in /usr/local/lib (copy from anaconda lib…requires sudo)
- libcrypto.1.0.0.dylib
- libjpeg.8.dylib
- libssl.1.0.0.dylib
- libtiff.5.dylib

# example
sudo cp ~/anaconda/lib/libtiff.5.dylib /usr/local/lib

Step 8: Install Xcode command line tools¶

xcode-select –install

Step 9: Manually install Pillow¶

Normally Pillow is automatically installed via the /cog_install/setup.py script
Modify this file and comment out that installation, and install manually
wheel may be required in the install

pip install wheel
pip install –use-wheel Pillow==2.8.2
#note 3.1.0 does not install w/o jpeg support, may cause install to fail