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<section class="tex2jax_ignore mathjax_ignore" id="asyncvectorenv">
|
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<h1>AsyncVectorEnv<a class="headerlink" href="#asyncvectorenv" title="Link to this heading">¶</a></h1>
|
||
<dl class="py class">
|
||
<dt class="sig sig-object py" id="gymnasium.vector.AsyncVectorEnv">
|
||
<em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">gymnasium.vector.</span></span><span class="sig-name descname"><span class="pre">AsyncVectorEnv</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">env_fns</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Sequence</span><span class="p"><span class="pre">[</span></span><span class="pre">Callable</span><span class="p"><span class="pre">[</span></span><span class="p"><span class="pre">[</span></span><span class="p"><span class="pre">]</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><a class="reference internal" href="../../env/#gymnasium.Env" title="gymnasium.core.Env"><span class="pre">Env</span></a><span class="p"><span class="pre">]</span></span><span class="p"><span class="pre">]</span></span></span></em>, <em class="sig-param"><span class="n"><span class="pre">shared_memory</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">bool</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">copy</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">bool</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">context</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">daemon</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">bool</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">True</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">worker</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Callable</span><span class="p"><span class="pre">[</span></span><span class="p"><span class="pre">[</span></span><span class="pre">int</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Callable</span><span class="p"><span class="pre">[</span></span><span class="p"><span class="pre">[</span></span><span class="p"><span class="pre">]</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><a class="reference internal" href="../../env/#gymnasium.Env" title="gymnasium.core.Env"><span class="pre">Env</span></a><span class="p"><span class="pre">]</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Connection</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Connection</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">bool</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Queue</span><span class="p"><span class="pre">]</span></span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">None</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">observation_mode</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><a class="reference internal" href="../../spaces/#gymnasium.spaces.Space" title="gymnasium.spaces.space.Space"><span class="pre">Space</span></a></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">'same'</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">autoreset_mode</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">AutoresetMode</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">AutoresetMode.NEXT_STEP</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/gymnasium/vector/async_vector_env/#AsyncVectorEnv"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#gymnasium.vector.AsyncVectorEnv" title="Link to this definition">¶</a></dt>
|
||
<dd><p>Vectorized environment that runs multiple environments in parallel.</p>
|
||
<p>It uses <code class="docutils literal notranslate"><span class="pre">multiprocessing</span></code> processes, and pipes for communication.</p>
|
||
<p class="rubric">Example</p>
|
||
<div class="doctest highlight-default notranslate"><div class="highlight"><pre><span></span><span class="gp">>>> </span><span class="kn">import</span><span class="w"> </span><span class="nn">gymnasium</span><span class="w"> </span><span class="k">as</span><span class="w"> </span><span class="nn">gym</span>
|
||
<span class="gp">>>> </span><span class="n">envs</span> <span class="o">=</span> <span class="n">gym</span><span class="o">.</span><span class="n">make_vec</span><span class="p">(</span><span class="s2">"Pendulum-v1"</span><span class="p">,</span> <span class="n">num_envs</span><span class="o">=</span><span class="mi">2</span><span class="p">,</span> <span class="n">vectorization_mode</span><span class="o">=</span><span class="s2">"async"</span><span class="p">)</span>
|
||
<span class="gp">>>> </span><span class="n">envs</span>
|
||
<span class="go">AsyncVectorEnv(Pendulum-v1, num_envs=2)</span>
|
||
<span class="gp">>>> </span><span class="n">envs</span> <span class="o">=</span> <span class="n">gym</span><span class="o">.</span><span class="n">vector</span><span class="o">.</span><span class="n">AsyncVectorEnv</span><span class="p">([</span>
|
||
<span class="gp">... </span> <span class="k">lambda</span><span class="p">:</span> <span class="n">gym</span><span class="o">.</span><span class="n">make</span><span class="p">(</span><span class="s2">"Pendulum-v1"</span><span class="p">,</span> <span class="n">g</span><span class="o">=</span><span class="mf">9.81</span><span class="p">),</span>
|
||
<span class="gp">... </span> <span class="k">lambda</span><span class="p">:</span> <span class="n">gym</span><span class="o">.</span><span class="n">make</span><span class="p">(</span><span class="s2">"Pendulum-v1"</span><span class="p">,</span> <span class="n">g</span><span class="o">=</span><span class="mf">1.62</span><span class="p">)</span>
|
||
<span class="gp">... </span><span class="p">])</span>
|
||
<span class="gp">>>> </span><span class="n">envs</span>
|
||
<span class="go">AsyncVectorEnv(num_envs=2)</span>
|
||
<span class="gp">>>> </span><span class="n">observations</span><span class="p">,</span> <span class="n">infos</span> <span class="o">=</span> <span class="n">envs</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>
|
||
<span class="gp">>>> </span><span class="n">observations</span>
|
||
<span class="go">array([[-0.14995256, 0.9886932 , -0.12224312],</span>
|
||
<span class="go"> [ 0.5760367 , 0.8174238 , -0.91244936]], dtype=float32)</span>
|
||
<span class="gp">>>> </span><span class="n">infos</span>
|
||
<span class="go">{}</span>
|
||
<span class="gp">>>> </span><span class="n">_</span> <span class="o">=</span> <span class="n">envs</span><span class="o">.</span><span class="n">action_space</span><span class="o">.</span><span class="n">seed</span><span class="p">(</span><span class="mi">123</span><span class="p">)</span>
|
||
<span class="gp">>>> </span><span class="n">observations</span><span class="p">,</span> <span class="n">rewards</span><span class="p">,</span> <span class="n">terminations</span><span class="p">,</span> <span class="n">truncations</span><span class="p">,</span> <span class="n">infos</span> <span class="o">=</span> <span class="n">envs</span><span class="o">.</span><span class="n">step</span><span class="p">(</span><span class="n">envs</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="gp">>>> </span><span class="n">observations</span>
|
||
<span class="go">array([[-0.1851753 , 0.98270553, 0.714599 ],</span>
|
||
<span class="go"> [ 0.6193494 , 0.7851154 , -1.0808398 ]], dtype=float32)</span>
|
||
<span class="gp">>>> </span><span class="n">rewards</span>
|
||
<span class="go">array([-2.96495728, -1.00214607])</span>
|
||
<span class="gp">>>> </span><span class="n">terminations</span>
|
||
<span class="go">array([False, False])</span>
|
||
<span class="gp">>>> </span><span class="n">truncations</span>
|
||
<span class="go">array([False, False])</span>
|
||
<span class="gp">>>> </span><span class="n">infos</span>
|
||
<span class="go">{}</span>
|
||
</pre></div>
|
||
</div>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>env_fns</strong> – Functions that create the environments.</p></li>
|
||
<li><p><strong>shared_memory</strong> – If <code class="docutils literal notranslate"><span class="pre">True</span></code>, then the observations from the worker processes are communicated back through
|
||
shared variables. This can improve the efficiency if the observations are large (e.g. images).</p></li>
|
||
<li><p><strong>copy</strong> – If <code class="docutils literal notranslate"><span class="pre">True</span></code>, then the <a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv.reset" title="gymnasium.vector.AsyncVectorEnv.reset"><code class="xref py py-meth docutils literal notranslate"><span class="pre">AsyncVectorEnv.reset()</span></code></a> and <a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv.step" title="gymnasium.vector.AsyncVectorEnv.step"><code class="xref py py-meth docutils literal notranslate"><span class="pre">AsyncVectorEnv.step()</span></code></a> methods
|
||
return a copy of the observations.</p></li>
|
||
<li><p><strong>context</strong> – Context for <cite>multiprocessing</cite>. If <code class="docutils literal notranslate"><span class="pre">None</span></code>, then the default context is used.</p></li>
|
||
<li><p><strong>daemon</strong> – If <code class="docutils literal notranslate"><span class="pre">True</span></code>, then subprocesses have <code class="docutils literal notranslate"><span class="pre">daemon</span></code> flag turned on; that is, they will quit if
|
||
the head process quits. However, <code class="docutils literal notranslate"><span class="pre">daemon=True</span></code> prevents subprocesses to spawn children,
|
||
so for some environments you may want to have it set to <code class="docutils literal notranslate"><span class="pre">False</span></code>.</p></li>
|
||
<li><p><strong>worker</strong> – If set, then use that worker in a subprocess instead of a default one.
|
||
Can be useful to override some inner vector env logic, for instance, how resets on termination or truncation are handled.</p></li>
|
||
<li><p><strong>observation_mode</strong> – Defines how environment observation spaces should be batched. ‘same’ defines that there should be <code class="docutils literal notranslate"><span class="pre">n</span></code> copies of identical spaces.
|
||
‘different’ defines that there can be multiple observation spaces with different parameters though requires the same shape and dtype,
|
||
warning, may raise unexpected errors. Passing a <code class="docutils literal notranslate"><span class="pre">Tuple[Space,</span> <span class="pre">Space]</span></code> object allows defining a custom <code class="docutils literal notranslate"><span class="pre">single_observation_space</span></code> and
|
||
<code class="docutils literal notranslate"><span class="pre">observation_space</span></code>, warning, may raise unexpected errors.</p></li>
|
||
<li><p><strong>autoreset_mode</strong> – The Autoreset Mode used, see <a class="reference external" href="https://farama.org/Vector-Autoreset-Mode">https://farama.org/Vector-Autoreset-Mode</a> for more information.</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
<div class="admonition warning">
|
||
<p class="admonition-title">Warning</p>
|
||
<p>worker is an advanced mode option. It provides a high degree of flexibility and a high chance
|
||
to shoot yourself in the foot; thus, if you are writing your own worker, it is recommended to start
|
||
from the code for <code class="docutils literal notranslate"><span class="pre">_worker</span></code> (or <code class="docutils literal notranslate"><span class="pre">_async_worker</span></code>) method, and add changes.</p>
|
||
</div>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Raises<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>RuntimeError</strong> – If the observation space of some sub-environment does not match observation_space
|
||
(or, by default, the observation space of the first sub-environment).</p></li>
|
||
<li><p><strong>ValueError</strong> – If observation_space is a custom space (i.e. not a default space in Gym,
|
||
such as gymnasium.spaces.Box, gymnasium.spaces.Discrete, or gymnasium.spaces.Dict) and shared_memory is True.</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
<dl class="py method">
|
||
<dt class="sig sig-object py" id="gymnasium.vector.AsyncVectorEnv.reset">
|
||
<span class="sig-name descname"><span class="pre">reset</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">*</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">seed</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">list</span><span class="p"><span class="pre">[</span></span><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">options</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span><span class="w"> </span><span class="o"><span class="pre">=</span></span><span class="w"> </span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">ObsType</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span><span class="p"><span class="pre">]</span></span></span></span><a class="reference internal" href="../../../_modules/gymnasium/vector/async_vector_env/#AsyncVectorEnv.reset"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#gymnasium.vector.AsyncVectorEnv.reset" title="Link to this definition">¶</a></dt>
|
||
<dd><p>Resets all sub-environments in parallel and return a batch of concatenated observations and info.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>seed</strong> – The environment reset seeds</p></li>
|
||
<li><p><strong>options</strong> – If to return the options</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>A batch of observations and info from the vectorized environment.</strong></p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt class="sig sig-object py" id="gymnasium.vector.AsyncVectorEnv.step">
|
||
<span class="sig-name descname"><span class="pre">step</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">actions</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">ActType</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">ObsType</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">ArrayType</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">ArrayType</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">ArrayType</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">dict</span><span class="p"><span class="pre">[</span></span><span class="pre">str</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span><span class="p"><span class="pre">]</span></span></span></span><a class="reference internal" href="../../../_modules/gymnasium/vector/async_vector_env/#AsyncVectorEnv.step"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#gymnasium.vector.AsyncVectorEnv.step" title="Link to this definition">¶</a></dt>
|
||
<dd><p>Take an action for each parallel environment.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>actions</strong> – element of <code class="xref py py-attr docutils literal notranslate"><span class="pre">action_space</span></code> batch of actions.</p>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>Batch of</strong> (<em>observations, rewards, terminations, truncations, infos</em>)</p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt class="sig sig-object py" id="gymnasium.vector.AsyncVectorEnv.close">
|
||
<span class="sig-name descname"><span class="pre">close</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Any</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#gymnasium.vector.AsyncVectorEnv.close" title="Link to this definition">¶</a></dt>
|
||
<dd><p>Close all parallel environments and release resources.</p>
|
||
<p>It also closes all the existing image viewers, then calls <code class="xref py py-meth docutils literal notranslate"><span class="pre">close_extras()</span></code> and set
|
||
<code class="xref py py-attr docutils literal notranslate"><span class="pre">closed</span></code> as <code class="docutils literal notranslate"><span class="pre">True</span></code>.</p>
|
||
<div class="admonition warning">
|
||
<p class="admonition-title">Warning</p>
|
||
<p>This function itself does not close the environments, it should be handled
|
||
in <code class="xref py py-meth docutils literal notranslate"><span class="pre">close_extras()</span></code>. This is generic for both synchronous and asynchronous
|
||
vectorized environments.</p>
|
||
</div>
|
||
<div class="admonition note">
|
||
<p class="admonition-title">Note</p>
|
||
<p>This will be automatically called when garbage collected or program exited.</p>
|
||
</div>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>**kwargs</strong> – Keyword arguments passed to <code class="xref py py-meth docutils literal notranslate"><span class="pre">close_extras()</span></code></p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt class="sig sig-object py" id="gymnasium.vector.AsyncVectorEnv.call">
|
||
<span class="sig-name descname"><span class="pre">call</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">*</span></span><span class="n"><span class="pre">args</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Any</span></span></em>, <em class="sig-param"><span class="o"><span class="pre">**</span></span><span class="n"><span class="pre">kwargs</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Any</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></span><a class="reference internal" href="../../../_modules/gymnasium/vector/async_vector_env/#AsyncVectorEnv.call"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#gymnasium.vector.AsyncVectorEnv.call" title="Link to this definition">¶</a></dt>
|
||
<dd><p>Call a method from each parallel environment with args and kwargs.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>name</strong> (<em>str</em>) – Name of the method or property to call.</p></li>
|
||
<li><p><strong>*args</strong> – Position arguments to apply to the method call.</p></li>
|
||
<li><p><strong>**kwargs</strong> – Keyword arguments to apply to the method call.</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>List of the results of the individual calls to the method or property for each environment.</strong></p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt class="sig sig-object py" id="gymnasium.vector.AsyncVectorEnv.get_attr">
|
||
<span class="sig-name descname"><span class="pre">get_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">→</span> <span class="sig-return-typehint"><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></span></span><a class="reference internal" href="../../../_modules/gymnasium/vector/async_vector_env/#AsyncVectorEnv.get_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#gymnasium.vector.AsyncVectorEnv.get_attr" title="Link to this definition">¶</a></dt>
|
||
<dd><p>Get a property from each parallel environment.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><p><strong>name</strong> (<em>str</em>) – Name of the property to be get from each individual environment.</p>
|
||
</dd>
|
||
<dt class="field-even">Returns<span class="colon">:</span></dt>
|
||
<dd class="field-even"><p><strong>The property with name</strong></p>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
<dl class="py method">
|
||
<dt class="sig sig-object py" id="gymnasium.vector.AsyncVectorEnv.set_attr">
|
||
<span class="sig-name descname"><span class="pre">set_attr</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">str</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">values</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">list</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Any</span><span class="p"><span class="pre">]</span></span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">object</span></span></em><span class="sig-paren">)</span><a class="reference internal" href="../../../_modules/gymnasium/vector/async_vector_env/#AsyncVectorEnv.set_attr"><span class="viewcode-link"><span class="pre">[source]</span></span></a><a class="headerlink" href="#gymnasium.vector.AsyncVectorEnv.set_attr" title="Link to this definition">¶</a></dt>
|
||
<dd><p>Sets an attribute of the sub-environments.</p>
|
||
<dl class="field-list simple">
|
||
<dt class="field-odd">Parameters<span class="colon">:</span></dt>
|
||
<dd class="field-odd"><ul class="simple">
|
||
<li><p><strong>name</strong> – Name of the property to be set in each individual environment.</p></li>
|
||
<li><p><strong>values</strong> – Values of the property to be set to. If <code class="docutils literal notranslate"><span class="pre">values</span></code> is a list or
|
||
tuple, then it corresponds to the values for each individual
|
||
environment, otherwise a single value is set for all environments.</p></li>
|
||
</ul>
|
||
</dd>
|
||
<dt class="field-even">Raises<span class="colon">:</span></dt>
|
||
<dd class="field-even"><ul class="simple">
|
||
<li><p><strong>ValueError</strong> – Values must be a list or tuple with length equal to the number of environments.</p></li>
|
||
<li><p><strong>AlreadyPendingCallError</strong> – Calling <a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv.set_attr" title="gymnasium.vector.AsyncVectorEnv.set_attr"><code class="xref py py-meth docutils literal notranslate"><span class="pre">set_attr()</span></code></a> while waiting for a pending call to complete.</p></li>
|
||
</ul>
|
||
</dd>
|
||
</dl>
|
||
</dd></dl>
|
||
|
||
</dd></dl>
|
||
|
||
<section id="additional-methods">
|
||
<h2>Additional Methods<a class="headerlink" href="#additional-methods" title="Link to this heading">¶</a></h2>
|
||
<dl class="py property">
|
||
<dt class="sig sig-object py" id="gymnasium.vector.AsyncVectorEnv.np_random">
|
||
<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">AsyncVectorEnv.</span></span><span class="sig-name descname"><span class="pre">np_random</span></span><em class="property"><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">Generator</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></em><a class="headerlink" href="#gymnasium.vector.AsyncVectorEnv.np_random" title="Link to this definition">¶</a></dt>
|
||
<dd><p>Returns the tuple of the numpy random number generators for the wrapped envs.</p>
|
||
</dd></dl>
|
||
|
||
<dl class="py property">
|
||
<dt class="sig sig-object py" id="gymnasium.vector.AsyncVectorEnv.np_random_seed">
|
||
<em class="property"><span class="pre">property</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">AsyncVectorEnv.</span></span><span class="sig-name descname"><span class="pre">np_random_seed</span></span><em class="property"><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="pre">tuple</span><span class="p"><span class="pre">[</span></span><span class="pre">int</span><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="p"><span class="pre">...</span></span><span class="p"><span class="pre">]</span></span></em><a class="headerlink" href="#gymnasium.vector.AsyncVectorEnv.np_random_seed" title="Link to this definition">¶</a></dt>
|
||
<dd><p>Returns a tuple of np_random seeds for all the wrapped envs.</p>
|
||
</dd></dl>
|
||
|
||
</section>
|
||
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|
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<ul>
|
||
<li><a class="reference internal" href="#">AsyncVectorEnv</a><ul>
|
||
<li><a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv"><code class="docutils literal notranslate"><span class="pre">AsyncVectorEnv</span></code></a><ul>
|
||
<li><a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv.reset"><code class="docutils literal notranslate"><span class="pre">AsyncVectorEnv.reset()</span></code></a></li>
|
||
<li><a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv.step"><code class="docutils literal notranslate"><span class="pre">AsyncVectorEnv.step()</span></code></a></li>
|
||
<li><a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv.close"><code class="docutils literal notranslate"><span class="pre">AsyncVectorEnv.close()</span></code></a></li>
|
||
<li><a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv.call"><code class="docutils literal notranslate"><span class="pre">AsyncVectorEnv.call()</span></code></a></li>
|
||
<li><a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv.get_attr"><code class="docutils literal notranslate"><span class="pre">AsyncVectorEnv.get_attr()</span></code></a></li>
|
||
<li><a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv.set_attr"><code class="docutils literal notranslate"><span class="pre">AsyncVectorEnv.set_attr()</span></code></a></li>
|
||
</ul>
|
||
</li>
|
||
<li><a class="reference internal" href="#additional-methods">Additional Methods</a><ul>
|
||
<li><a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv.np_random"><code class="docutils literal notranslate"><span class="pre">AsyncVectorEnv.np_random</span></code></a></li>
|
||
<li><a class="reference internal" href="#gymnasium.vector.AsyncVectorEnv.np_random_seed"><code class="docutils literal notranslate"><span class="pre">AsyncVectorEnv.np_random_seed</span></code></a></li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
</li>
|
||
</ul>
|
||
|
||
</div>
|
||
</div>
|
||
</div>
|
||
|
||
|
||
</aside>
|
||
</div>
|
||
</div>
|
||
</div>
|
||
<script>
|
||
const toggleMenu = () => {
|
||
const menuBtn = document.querySelector(".farama-header-menu__btn");
|
||
const menuContainer = document.querySelector(".farama-header-menu-container");
|
||
if (document.querySelector(".farama-header-menu").classList.contains("active")) {
|
||
menuBtn.setAttribute("aria-expanded", "false");
|
||
menuContainer.setAttribute("aria-hidden", "true");
|
||
} else {
|
||
menuBtn.setAttribute("aria-expanded", "true");
|
||
menuContainer.setAttribute("aria-hidden", "false");
|
||
}
|
||
document.querySelector(".farama-header-menu").classList.toggle("active");
|
||
}
|
||
|
||
document.querySelector(".farama-header-menu__btn").addEventListener("click", toggleMenu);
|
||
document.getElementById("farama-close-menu").addEventListener("click", toggleMenu);
|
||
</script>
|
||
|
||
|
||
<script async src="https://www.googletagmanager.com/gtag/js?id=G-6H9C8TWXZ8"></script>
|
||
<script>
|
||
const enableGtag = () => {
|
||
window.dataLayer = window.dataLayer || [];
|
||
function gtag(){dataLayer.push(arguments);}
|
||
gtag('js', new Date());
|
||
gtag('config', 'G-6H9C8TWXZ8');
|
||
}
|
||
(() => {
|
||
if (!localStorage.getItem("acceptedCookieAlert")) {
|
||
const boxElem = document.createElement("div");
|
||
boxElem.classList.add("cookie-alert");
|
||
const containerElem = document.createElement("div");
|
||
containerElem.classList.add("cookie-alert__container");
|
||
const textElem = document.createElement("p");
|
||
textElem.innerHTML = `This page uses <a href="https://analytics.google.com/">
|
||
Google Analytics</a> to collect statistics.`;
|
||
containerElem.appendChild(textElem);
|
||
|
||
const declineBtn = Object.assign(document.createElement("button"),
|
||
{
|
||
innerText: "Deny",
|
||
className: "farama-btn cookie-alert__button",
|
||
id: "cookie-alert__decline",
|
||
}
|
||
);
|
||
declineBtn.addEventListener("click", () => {
|
||
localStorage.setItem("acceptedCookieAlert", false);
|
||
boxElem.remove();
|
||
});
|
||
|
||
const acceptBtn = Object.assign(document.createElement("button"),
|
||
{
|
||
innerText: "Allow",
|
||
className: "farama-btn cookie-alert__button",
|
||
id: "cookie-alert__accept",
|
||
}
|
||
);
|
||
acceptBtn.addEventListener("click", () => {
|
||
localStorage.setItem("acceptedCookieAlert", true);
|
||
boxElem.remove();
|
||
enableGtag();
|
||
});
|
||
|
||
containerElem.appendChild(declineBtn);
|
||
containerElem.appendChild(acceptBtn);
|
||
boxElem.appendChild(containerElem);
|
||
document.body.appendChild(boxElem);
|
||
} else if (localStorage.getItem("acceptedCookieAlert") === "true") {
|
||
enableGtag();
|
||
}
|
||
})()
|
||
</script>
|
||
|
||
<script src="../../../_static/documentation_options.js?v=151cd43d"></script>
|
||
<script src="../../../_static/doctools.js?v=9a2dae69"></script>
|
||
<script src="../../../_static/sphinx_highlight.js?v=dc90522c"></script>
|
||
<script src="../../../_static/scripts/furo.js?v=7660844c"></script>
|
||
|
||
<script>
|
||
|
||
const createProjectsList = (projects, displayImages) => {
|
||
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 (displayImages) {
|
||
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);
|
||
}
|
||
return ulElem;
|
||
}
|
||
|
||
// Create menu with Farama projects by using the API at farama.org/api/projects.json
|
||
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 = {
|
||
"Core Projects": [],
|
||
"Mature Projects": {
|
||
"Documentation": [],
|
||
"Repositories": [],
|
||
},
|
||
"Incubating Projects": {
|
||
"Documentation": [],
|
||
"Repositories": [],
|
||
},
|
||
"Foundation": [
|
||
{
|
||
name: "About",
|
||
link: "https://farama.org/about"
|
||
},
|
||
{
|
||
name: "Standards",
|
||
link: "https://farama.org/project_standards",
|
||
},
|
||
{
|
||
name: "Donate",
|
||
link: "https://farama.org/donations"
|
||
}
|
||
]
|
||
}
|
||
|
||
// Categorize projects
|
||
Object.keys(jsonResponse).forEach(key => {
|
||
projectJson = jsonResponse[key];
|
||
if (projectJson.website !== null) {
|
||
projectJson.link = projectJson.website;
|
||
} else {
|
||
projectJson.link = projectJson.github;
|
||
}
|
||
if (projectJson.type === "core") {
|
||
sections["Core Projects"].push(projectJson)
|
||
} else if (projectJson.type == "mature") {
|
||
if (projectJson.website !== null) {
|
||
sections["Mature Projects"]["Documentation"].push(projectJson)
|
||
} else {
|
||
sections["Mature Projects"]["Repositories"].push(projectJson)
|
||
}
|
||
} else {
|
||
if (projectJson.website !== null) {
|
||
sections["Incubating Projects"]["Documentation"].push(projectJson)
|
||
} else {
|
||
sections["Incubating Projects"]["Repositories"].push(projectJson)
|
||
}
|
||
}
|
||
})
|
||
|
||
const menuContainer = document.querySelector(".farama-header-menu__body");
|
||
|
||
Object.keys(sections).forEach((key, i) => {
|
||
const sectionElem = Object.assign(
|
||
document.createElement('div'), {
|
||
className:'farama-header-menu__section',
|
||
}
|
||
)
|
||
sectionElem.appendChild(Object.assign(document.createElement('span'),
|
||
{
|
||
className:'farama-header-menu__section-title' ,
|
||
innerText: key
|
||
}
|
||
))
|
||
// is not a list
|
||
if (sections[key].constructor !== Array) {
|
||
const subSections = sections[key];
|
||
const subSectionContainerElem = Object.assign(
|
||
document.createElement('div'), {
|
||
className:'farama-header-menu__subsections-container',
|
||
style: 'display: flex'
|
||
}
|
||
)
|
||
Object.keys(subSections).forEach((subKey, i) => {
|
||
const subSectionElem = Object.assign(
|
||
document.createElement('div'), {
|
||
className:'farama-header-menu__subsection',
|
||
}
|
||
)
|
||
subSectionElem.appendChild(Object.assign(document.createElement('span'),
|
||
{
|
||
className:'farama-header-menu__subsection-title' ,
|
||
innerText: subKey
|
||
}
|
||
))
|
||
const ulElem = createProjectsList(subSections[subKey], key !== 'Foundation');
|
||
subSectionElem.appendChild(ulElem);
|
||
subSectionContainerElem.appendChild(subSectionElem);
|
||
})
|
||
sectionElem.appendChild(subSectionContainerElem);
|
||
} else {
|
||
const projects = sections[key];
|
||
const ulElem = createProjectsList(projects, true);
|
||
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> |