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<p class="caption" role="heading"><span class="caption-text">Introduction</span></p>
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<ul>
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<li class="toctree-l1"><a class="reference internal" href="content/basic_usage/">Basic Usage</a></li>
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<li class="toctree-l1"><a class="reference internal" href="content/gym_compatibility/">Compatibility with Gym</a></li>
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<li class="toctree-l1"><a class="reference internal" href="content/migration-guide/">v21 to v26 Migration Guide</a></li>
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<li class="toctree-l1"><a class="reference internal" href="api/env/">Env</a></li>
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<li class="toctree-l2"><a class="reference internal" href="api/spaces/fundamental/">Fundamental Spaces</a></li>
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<li class="toctree-l1"><a class="reference internal" href="api/vector/">Vector</a></li>
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<li class="toctree-l1"><a class="reference internal" href="api/utils/">Utils</a></li>
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<li class="toctree-l2"><a class="reference internal" href="api/experimental/functional/">Functional Environment</a></li>
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<li class="toctree-l2"><a class="reference internal" href="api/experimental/vector/">Vectorizing Environment</a></li>
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<li class="toctree-l2"><a class="reference internal" href="api/experimental/vector_wrappers/">Vector Environment Wrappers</a></li>
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</ul>
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</ul>
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<p class="caption" role="heading"><span class="caption-text">Environments</span></p>
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<ul>
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<li class="toctree-l1 has-children"><a class="reference internal" href="environments/classic_control/">Classic Control</a><input class="toctree-checkbox" id="toctree-checkbox-4" name="toctree-checkbox-4" role="switch" type="checkbox"/><label for="toctree-checkbox-4"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<li class="toctree-l2"><a class="reference internal" href="environments/classic_control/pendulum/">Pendulum</a></li>
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<li class="toctree-l1 has-children"><a class="reference internal" href="environments/toy_text/">Toy Text</a><input class="toctree-checkbox" id="toctree-checkbox-6" name="toctree-checkbox-6" role="switch" type="checkbox"/><label for="toctree-checkbox-6"><div class="visually-hidden">Toggle child pages in navigation</div><i class="icon"><svg><use href="#svg-arrow-right"></use></svg></i></label><ul>
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<section id="gymnasium-is-a-standard-api-for-reinforcement-learning-and-a-diverse-collection-of-reference-environments">
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<h1>Gymnasium is a standard API for reinforcement learning, and a diverse collection of reference environments<a class="headerlink" href="#gymnasium-is-a-standard-api-for-reinforcement-learning-and-a-diverse-collection-of-reference-environments" title="Permalink to this heading">#</a></h1>
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<p><strong>Gymnasium is a maintained fork of OpenAI’s Gym library. The Gymnasium interface is simple, pythonic, and capable of representing general RL problems, and has a <a class="reference internal" href="content/gym_compatibility/"><span class="doc std std-doc">compatibility wrapper</span></a> for old Gym environments:</strong></p>
|
||
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="kn">import</span> <span class="nn">gymnasium</span> <span class="k">as</span> <span class="nn">gym</span>
|
||
<span class="n">env</span> <span class="o">=</span> <span class="n">gym</span><span class="o">.</span><span class="n">make</span><span class="p">(</span><span class="s2">"LunarLander-v2"</span><span class="p">,</span> <span class="n">render_mode</span><span class="o">=</span><span class="s2">"human"</span><span class="p">)</span>
|
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<span class="n">observation</span><span class="p">,</span> <span class="n">info</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">reset</span><span class="p">(</span><span class="n">seed</span><span class="o">=</span><span class="mi">42</span><span class="p">)</span>
|
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<span class="k">for</span> <span class="n">_</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">1000</span><span class="p">):</span>
|
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<span class="n">action</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">action_space</span><span class="o">.</span><span class="n">sample</span><span class="p">()</span> <span class="c1"># this is where you would insert your policy</span>
|
||
<span class="n">observation</span><span class="p">,</span> <span class="n">reward</span><span class="p">,</span> <span class="n">terminated</span><span class="p">,</span> <span class="n">truncated</span><span class="p">,</span> <span class="n">info</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">step</span><span class="p">(</span><span class="n">action</span><span class="p">)</span>
|
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<span class="k">if</span> <span class="n">terminated</span> <span class="ow">or</span> <span class="n">truncated</span><span class="p">:</span>
|
||
<span class="n">observation</span><span class="p">,</span> <span class="n">info</span> <span class="o">=</span> <span class="n">env</span><span class="o">.</span><span class="n">reset</span><span class="p">()</span>
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|
||
localStorage.setItem("shownCookieAlert", "true");
|
||
boxElem.style.display = "none";
|
||
}
|
||
containerElem.appendChild(closeBtn);
|
||
boxElem.appendChild(containerElem);
|
||
document.body.appendChild(boxElem);
|
||
}
|
||
})()
|
||
</script>
|
||
|
||
<script async src="https://www.googletagmanager.com/gtag/js?id=G-6H9C8TWXZ8"></script>
|
||
<script>
|
||
window.dataLayer = window.dataLayer || [];
|
||
function gtag(){dataLayer.push(arguments);}
|
||
gtag('js', new Date());
|
||
|
||
gtag('config', 'G-6H9C8TWXZ8');
|
||
</script>
|
||
|
||
<script data-url_root="#" id="documentation_options" src="_static/documentation_options.js"></script>
|
||
<script src="_static/jquery.js"></script>
|
||
<script src="_static/underscore.js"></script>
|
||
<script src="_static/_sphinx_javascript_frameworks_compat.js"></script>
|
||
<script src="_static/doctools.js"></script>
|
||
<script src="_static/sphinx_highlight.js"></script>
|
||
<script src="_static/scripts/furo.js"></script>
|
||
|
||
<script>
|
||
const createCORSRequest = (method, url) => {
|
||
let xhr = new XMLHttpRequest();
|
||
xhr.responseType = 'json';
|
||
|
||
if ("withCredentials" in xhr) {
|
||
xhr.open(method, url, true);
|
||
} else if (typeof XDomainRequest != "undefined") {
|
||
// IE8 & IE9
|
||
xhr = new XDomainRequest();
|
||
xhr.open(method, url);
|
||
} else {
|
||
// CORS not supported.
|
||
xhr = null;
|
||
}
|
||
return xhr;
|
||
};
|
||
|
||
const url = 'https://farama.org/api/projects.json';
|
||
const imagesBasepath = "https://farama.org/assets/images"
|
||
const method = 'GET';
|
||
let xhr = createCORSRequest(method, url);
|
||
|
||
xhr.onload = () => {
|
||
const jsonResponse = xhr.response;
|
||
const sections = {
|
||
"Documentation": [],
|
||
"Mature Projects": [],
|
||
"Incubating Projects": [],
|
||
"Foundation": [
|
||
{
|
||
name: "About",
|
||
link: "https://farama.org/about"
|
||
},
|
||
{
|
||
name: "Standards",
|
||
link: "https://farama.org/project_standards",
|
||
},
|
||
{
|
||
name: "Donate",
|
||
link: "https://farama.org/donations"
|
||
}
|
||
]
|
||
}
|
||
Object.keys(jsonResponse).forEach(key => {
|
||
projectJson = jsonResponse[key];
|
||
if (projectJson.website !== null) {
|
||
projectJson.link = projectJson.website;
|
||
sections["Documentation"].push(projectJson)
|
||
} else if (projectJson.type == "mature") {
|
||
projectJson.link = projectJson.github;
|
||
sections["Mature Projects"].push(projectJson)
|
||
} else {
|
||
projectJson.link = projectJson.github;
|
||
sections["Incubating Projects"].push(projectJson)
|
||
}
|
||
})
|
||
|
||
const menuContainer = document.querySelector(".farama-header-menu__body");
|
||
|
||
Object.keys(sections).forEach((key, i) => {
|
||
projects = sections[key];
|
||
const sectionElem = Object.assign(
|
||
document.createElement('div'), {
|
||
className:'farama-header-menu__section',
|
||
style: "padding-left: 24px"
|
||
}
|
||
)
|
||
sectionElem.appendChild(Object.assign(document.createElement('span'),
|
||
{
|
||
className:'farama-header-menu__section-title' ,
|
||
innerText: key
|
||
}
|
||
))
|
||
const ulElem = Object.assign(document.createElement('ul'),
|
||
{
|
||
className:'farama-header-menu-list',
|
||
}
|
||
)
|
||
for (let project of projects) {
|
||
const liElem = document.createElement("li");
|
||
const aElem = Object.assign(document.createElement("a"),
|
||
{
|
||
href: project.link
|
||
}
|
||
);
|
||
liElem.appendChild(aElem);
|
||
if (key !== "Foundation") {
|
||
const imgElem = Object.assign(document.createElement("img"),
|
||
{
|
||
src: project.image ? imagesBasepath + project.image : imagesBasepath + "/farama_black.svg",
|
||
alt: `${project.name} logo`,
|
||
className: "farama-black-logo-invert"
|
||
}
|
||
);
|
||
aElem.appendChild(imgElem);
|
||
}
|
||
aElem.appendChild(document.createTextNode(project.name));
|
||
ulElem.appendChild(liElem);
|
||
}
|
||
sectionElem.appendChild(ulElem);
|
||
menuContainer.appendChild(sectionElem)
|
||
});
|
||
}
|
||
|
||
xhr.onerror = function() {
|
||
console.error("Unable to load projects");
|
||
};
|
||
|
||
xhr.send();
|
||
</script>
|
||
|
||
|
||
<script>
|
||
const versioningConfig = {
|
||
githubUser: 'Farama-Foundation',
|
||
githubRepo: 'Gymnasium',
|
||
};
|
||
fetch('/main/_static/versioning/versioning_menu.html').then(response => {
|
||
if (response.status === 200) {
|
||
response.text().then(text => {
|
||
const container = document.createElement("div");
|
||
container.innerHTML = text;
|
||
document.querySelector("body").appendChild(container);
|
||
// innerHtml doenst evaluate scripts, we need to add them dynamically
|
||
Array.from(container.querySelectorAll("script")).forEach(oldScript => {
|
||
const newScript = document.createElement("script");
|
||
Array.from(oldScript.attributes).forEach(attr => newScript.setAttribute(attr.name, attr.value));
|
||
newScript.appendChild(document.createTextNode(oldScript.innerHTML));
|
||
oldScript.parentNode.replaceChild(newScript, oldScript);
|
||
});
|
||
});
|
||
} else {
|
||
console.warn("Unable to load versioning menu", response);
|
||
}
|
||
});
|
||
</script></body>
|
||
</html> |