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| <section id="asyncio-bridge-asyncioexecutor"> |
| <h1>asyncio bridge: <code class="docutils literal notranslate"><span class="pre">AsyncioExecutor</span></code><a class="headerlink" href="#asyncio-bridge-asyncioexecutor" title="Permalink to this headline">¶</a></h1> |
| <p>AsyncioExecutor transforms <a class="reference external" href="https://docs.python.org/3/library/concurrent.futures.html#module-concurrent.futures" title="(in Python v3.11)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">concurrent.futures</span></code></a> futures into |
| <a class="reference external" href="https://docs.python.org/3/library/asyncio.html#module-asyncio" title="(in Python v3.11)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">asyncio</span></code></a> futures.</p> |
| <dl class="py class"> |
| <dt class="sig sig-object py" id="more_executors.AsyncioExecutor"> |
| <em class="property"><span class="pre">class</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">more_executors.</span></span><span class="sig-name descname"><span class="pre">AsyncioExecutor</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">delegate</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">loop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">logger</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">name</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">'default'</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#more_executors.AsyncioExecutor" title="Permalink to this definition">¶</a></dt> |
| <dd><p>An executor which delegates to another executor while converting |
| returned futures into instances of <a class="reference external" href="https://docs.python.org/3/library/asyncio-future.html#asyncio.Future" title="(in Python v3.11)"><code class="xref py py-class docutils literal notranslate"><span class="pre">asyncio.Future</span></code></a>.</p> |
| <p>Note that since this class produces <a class="reference external" href="https://docs.python.org/3/library/asyncio.html#module-asyncio" title="(in Python v3.11)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">asyncio</span></code></a> rather than <a class="reference external" href="https://docs.python.org/3/library/concurrent.futures.html#module-concurrent.futures" title="(in Python v3.11)"><code class="xref py py-mod docutils literal notranslate"><span class="pre">concurrent.futures</span></code></a> |
| future objects, AsyncioExecutor instances themselves cannot be used |
| as a delegate executor of other executor instances within this library.</p> |
| <div class="versionadded"> |
| <p><span class="versionmodified added">New in version 1.7.0.</span></p> |
| </div> |
| <dl class="field-list simple"> |
| <dt class="field-odd">Parameters</dt> |
| <dd class="field-odd"><ul class="simple"> |
| <li><p><strong>delegate</strong> (<a class="reference external" href="https://docs.python.org/3/library/concurrent.futures.html#concurrent.futures.Executor" title="(in Python v3.11)"><em>Executor</em></a>) – executor to which callables will be submitted</p></li> |
| <li><p><strong>loop</strong> (<a class="reference external" href="https://docs.python.org/3/library/asyncio-eventloop.html#asyncio.AbstractEventLoop" title="(in Python v3.11)"><em>AbstractEventLoop</em></a>) – <p>asyncio event loop used to wrap futures; if omitted, the return |
| value of <code class="xref py py-meth docutils literal notranslate"><span class="pre">asyncio.get_event_loop()</span></code> is used.</p> |
| <div class="admonition note"> |
| <p class="admonition-title">Note</p> |
| <p>Starting from Python 3.12, <code class="xref py py-meth docutils literal notranslate"><span class="pre">asyncio.get_event_loop()</span></code> raises |
| an exception if there is no current event loop, so it is |
| necessary to either pass a loop explicitly or ensure there is a |
| running loop prior to constructing this executor.</p> |
| </div> |
| </p></li> |
| <li><p><strong>logger</strong> (<a class="reference external" href="https://docs.python.org/3/library/logging.html#logging.Logger" title="(in Python v3.11)"><em>Logger</em></a>) – a logger used for messages from this executor</p></li> |
| <li><p><strong>name</strong> (<a class="reference external" href="https://docs.python.org/3/library/stdtypes.html#str" title="(in Python v3.11)"><em>str</em></a>) – a name for this executor</p></li> |
| </ul> |
| </dd> |
| </dl> |
| <div class="versionchanged"> |
| <p><span class="versionmodified changed">Changed in version 2.7.0: </span>Introduced <code class="docutils literal notranslate"><span class="pre">name</span></code>.</p> |
| </div> |
| </dd></dl> |
| |
| <dl class="py method"> |
| <dt class="sig sig-object py" id="more_executors.Executors.with_asyncio"> |
| <em class="property"><span class="pre">classmethod</span><span class="w"> </span></em><span class="sig-prename descclassname"><span class="pre">Executors.</span></span><span class="sig-name descname"><span class="pre">with_asyncio</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">executor</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">loop</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">logger</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">None</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#more_executors.Executors.with_asyncio" title="Permalink to this definition">¶</a></dt> |
| <dd><dl class="field-list simple"> |
| <dt class="field-odd">Returns</dt> |
| <dd class="field-odd"><p>a new executor which returns <a class="reference external" href="https://docs.python.org/3/library/asyncio-future.html#asyncio.Future" title="(in Python v3.11)"><code class="xref py py-class docutils literal notranslate"><span class="pre">asyncio.Future</span></code></a> instances |
| rather than <a class="reference external" href="https://docs.python.org/3/library/concurrent.futures.html#concurrent.futures.Future" title="(in Python v3.11)"><code class="xref py py-class docutils literal notranslate"><span class="pre">concurrent.futures.Future</span></code></a> instances, i.e. may be used |
| with the <cite>await</cite> keyword and coroutines.</p> |
| </dd> |
| <dt class="field-even">Return type</dt> |
| <dd class="field-even"><p><a class="reference internal" href="#more_executors.AsyncioExecutor" title="more_executors.AsyncioExecutor"><em>AsyncioExecutor</em></a></p> |
| </dd> |
| </dl> |
| <div class="admonition note"> |
| <p class="admonition-title">Note</p> |
| <p>Since the other executors from <code class="xref py py-class docutils literal notranslate"><span class="pre">Executors</span></code> class are designed |
| for use with <a class="reference external" href="https://docs.python.org/3/library/concurrent.futures.html#concurrent.futures.Future" title="(in Python v3.11)"><code class="xref py py-class docutils literal notranslate"><span class="pre">concurrent.futures.Future</span></code></a>, if an executor is being |
| configured using chained <cite>with_*</cite> methods, this must be the last method called.</p> |
| </div> |
| <div class="admonition note"> |
| <p class="admonition-title">Note</p> |
| <p>Only usable for Python >= 3.5.</p> |
| </div> |
| <div class="versionadded"> |
| <p><span class="versionmodified added">New in version 1.7.0.</span></p> |
| </div> |
| </dd></dl> |
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