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Mesa: Agent-based modeling in Python 3+
Mesa allows users to quickly create agent-based models using built-in core components (such as spatial grids and agent schedulers) or customized implementations; visualize them using a browser-based interface; and analyze their results using Python's data analysis tools. Its goal is to be the Python 3-based alternative to NetLogo, Repast, or MASON. Above: A Mesa implementation of the Schelling segregation model, this can be displayed in browser windows or Jupyter. Features Modular components Browser-based visualization Built-in tools for analysis Example model library Using MesaGetting started quickly: pip install mesaYou can also use pip to install the github version: pip install -U -e git+https://github.com/projectmesa/mesa@main#egg=mesaOr any other (development) branch on this repo or your own fork: pip install -U -e git+https://github.com/YOUR_FORK/mesa@YOUR_BRANCH#egg=mesaFor resources or help on using Mesa, check out the following: Intro to Mesa Tutorial (An introductory model, the Boltzmann Wealth Model, for beginners or those new to Mesa.) Complexity Explorer Tutorial (An advanced-beginner model, SugarScape with Traders, with instructional videos) Mesa Examples (A repository of seminal ABMs using Mesa and examples of employing specific Mesa Features) Docs (Mesa's documentation, API and useful snippets) Discussions (GitHub threaded discussions about Mesa) Matrix Chat (Chat Forum via Matrix to talk about Mesa) Running Mesa in DockerYou can run Mesa in a Docker container in a few ways. If you are a Mesa developer, first install Docker Compose and then, in the folder containing the Mesa Git repository, you run: $ docker compose up # If you want to make it run in the background, you instead run $ docker compose up -dThis runs the Schelling model, as an example. With the docker-compose.yml file in this Git repository, the docker compose up command does two important things: It mounts the mesa root directory (relative to the docker-compose.yml file) into /opt/mesa and runs pip install -e on that directory so your changes to mesa should be reflected in the running container. It binds the docker container's port 8765 to your host system's port 8765 so you can interact with the running model as usual by visiting localhost:8765 on your browserIf you are a model developer that wants to run Mesa on a model, you need to: make sure that your model folder is inside the folder containing the docker-compose.yml file change the MODEL_DIR variable in docker-compose.yml to point to the path of your model make sure that the model folder contains an app.py fileThen, you just need to run docker compose up -d to have it accessible from localhost:8765. Contributing to MesaWant to join the Mesa team or just curious about what is happening with Mesa? You can... Join our Matrix chat room in which questions, issues, and ideas can be (informally) discussed. Come to a monthly dev session (you can find dev session times, agendas and notes on Mesa discussions). Just check out the code on GitHub.If you run into an issue, please file a ticket for us to discuss. If possible, follow up with a pull request. If you would like to add a feature, please reach out via ticket or join a dev session (see Mesa discussions). A feature is most likely to be added if you build it! Don't forget to checkout the Contributors guide. Citing MesaTo cite Mesa in your publication, you can use the CITATION.bib. |
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