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Introduction

conda is an easy to use and maintain software package management system. It provides a simple and painless method for installing OCW and its dependencies across a variety of platforms.

OCW Installation Instructions

Requirements

  • The latest version of conda. The recommended way to obtain this is to install either the Anaconda or Miniconda scientific python distributions. Be sure to allow the installation to update your PATH for you. 

Installation Information

In addition to the standard scientific python packages bundled with most anaconda installations, the following packages will be installed:

  • requests: Used to make HTTP requests. The OCW UI and Toolkit use this.
  • bottle: Simple Python backend webserver used by the OCW UI.
  • pydap: A Python library for connecting to OpenDAP servers. The Toolkit uses this to handle OpenDAP connections.
  • webtest: A Python library to improve testing of web applications. The OCW UI backend uses this for testing.
  • pyesgf: A Python library for downloading files from the Earth System Grid Federation database.

How To

Before invoking conda to install the dependencies, it's always a good idea to ensure that your version of conda is up to date. You can do this with:

conda update conda

Then to install OCW and its dependencies into your conda environment (by default in ~/anaconda or ~/miniconda), you may use:

conda install -c agoodman ocw

Testing

To give yourself some peace of mind that such a simple installation method actually works, it is recommended that you test you installation. The main OCW codebase has some simple examples which may be obtained using:

cd
git clone http://git-wip-us.apache.org/repos/asf/climate.git

If you do not wish to directly use git, you may download and extract a copy of the code directly from our GitHub page. Once you've obtained the code, head on over to the examples and run one of them.

cd climate/examples
python simple_model_to_model_bias.py

After the evaluation runs you should find a .png file in the examples directory. Congratulations, your install was successful!

 

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