OpenAI Universe is a powerful tool that allows developers to create and deploy reinforcement learning environments. It provides a wide range of pre-built environments and also facilitates the creation of custom environments. In this article, we will guide you through the installation process of OpenAI Universe on a Mac. The installation process may seem a bit daunting at first, but if you follow the steps carefully, you will be up and running in no time.
Step 1: Install Dependencies
The first step in installing OpenAI Universe is to install the necessary dependencies. Open a terminal window and run the following command to install Homebrew, a package manager for macOS:
“`bash
/usr/bin/ruby -e “$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)”
“`
Once Homebrew is installed, you can use it to install the required dependencies by running the following command:
“`bash
brew install cmake boost boost-python sdl sdl_image sdl_mixer sdl_ttf portmidi swig wget
“`
Step 2: Install Docker
OpenAI Universe requires Docker to be installed on your system. Docker is a platform for developing, shipping, and running applications in containers. You can download and install Docker for Mac from the official Docker website.
Step 3: Install OpenAI Gym
OpenAI Universe is built on top of OpenAI Gym, so you will need to install OpenAI Gym first. You can do this by running the following command:
“`bash
pip install gym
“`
Step 4: Install Universe
Finally, you can install OpenAI Universe itself by running the following pip command:
“`bash
pip install universe
“`
Step 5: Test the Installation
To test that OpenAI Universe has been installed correctly, you can run a simple example script. Create a new file, for example, `test_universe.py`, and add the following code:
“`python
import universe
import gym
env = gym.make(‘flashgames.CoasterRacer-v0’)
env.configure(remotes=1)
observation_n = env.reset()
while True:
action_n = [[(‘KeyEvent’, ‘ArrowUp’, True)] for ob in observation_n]
observation_n, reward_n, done_n, info = env.step(action_n)
env.render()
“`
Save the file and run it from the terminal using the following command:
“`bash
python test_universe.py
“`
If everything has been installed correctly, you should see the Coaster Racer game window open and the car moving forward continuously.
In conclusion, installing OpenAI Universe on a Mac may require a few steps, but the process is relatively straightforward if you follow the instructions provided. Once everything is set up, you will have access to a powerful platform for creating and deploying reinforcement learning environments. Happy coding!
