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‎README.md

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@@ -2118,8 +2118,8 @@ from concurrent.futures import ThreadPoolExecutor, as_completed
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#### Or:
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```python
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with <lock>: # Enters the block by calling acquire(),
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... # and exits it with release(), even on error.
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with <lock>: # Enters the block by calling acquire() and
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... # exits it with release(), even on error.
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```
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### Semaphore, Event, Barrier
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### Thread Pool Executor
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```python
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<Exec> = ThreadPoolExecutor(max_workers=None) # Or: `with ThreadPoolExecutor() as <name>: …`
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<iter> = <Exec>.map(<func>, <args_1>, ...) # A multithreaded non-lazy map(). Keeps order.
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<Futr> = <Exec>.submit(<func>, <arg_1>, ...) # Starts a thread and returns its Future object.
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<iter> = <Exec>.map(<func>, <args_1>, ...) # Multithreaded and non-lazy map(). Keeps order.
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<Futr> = <Exec>.submit(<func>, <arg_1>, ...) # Creates a thread and returns its Future object.
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<Exec>.shutdown(wait=True) # Blocks until all threads finish executing.
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```
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<iter> = as_completed(<coll_of_Futures>) # Each Future is yielded as it completes.
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```
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* **Map() and as_completed() also accept 'timeout' argument that causes TimeoutError if result isn't available in 'timeout' seconds after next() is called.**
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* **Exceptions that happen inside threads are raised when next() is called on map's iterator or when result() is called on a Future. It's exception() method returns exception or None.**
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* **Exceptions that happen inside threads are raised when next() is called on map's iterator or when result() is called on a Future. Its exception() method returns exception or None.**
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* **An object with the same interface called ProcessPoolExecutor provides true parallelism by running a separate interpreter in each process. Arguments and results must be [pickable](#pickle).**
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‎index.html

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<body>
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<header>
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<aside>June 1, 2023</aside>
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<aside>June 4, 2023</aside>
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<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
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</header>
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&lt;lock&gt;.release() <span class="hljs-comment"># Makes the lock available again.</span>
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</code></pre></div>
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<div><h4 id="or-1">Or:</h4><pre><code class="python language-python hljs"><span class="hljs-keyword">with</span> &lt;lock&gt;: <span class="hljs-comment"># Enters the block by calling acquire(),</span>
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... <span class="hljs-comment"># and exits it with release(), even on error.</span>
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<div><h4 id="or-1">Or:</h4><pre><code class="python language-python hljs"><span class="hljs-keyword">with</span> &lt;lock&gt;: <span class="hljs-comment"># Enters the block by calling acquire() and</span>
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... <span class="hljs-comment"># exits it with release(), even on error.</span>
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</code></pre></div>
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<div><h3 id="semaphoreeventbarrier">Semaphore, Event, Barrier</h3><pre><code class="python language-python hljs">&lt;Semaphore&gt; = Semaphore(value=<span class="hljs-number">1</span>) <span class="hljs-comment"># Lock that can be acquired by 'value' threads.</span>
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</code></pre></div>
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<div><h3 id="threadpoolexecutor">Thread Pool Executor</h3><pre><code class="python language-python hljs">&lt;Exec&gt; = ThreadPoolExecutor(max_workers=<span class="hljs-keyword">None</span>) <span class="hljs-comment"># Or: `with ThreadPoolExecutor() as &lt;name&gt;: …`</span>
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&lt;iter&gt; = &lt;Exec&gt;.map(&lt;func&gt;, &lt;args_1&gt;, ...) <span class="hljs-comment"># A multithreaded non-lazy map(). Keeps order.</span>
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&lt;Futr&gt; = &lt;Exec&gt;.submit(&lt;func&gt;, &lt;arg_1&gt;, ...) <span class="hljs-comment"># Starts a thread and returns its Future object.</span>
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&lt;iter&gt; = &lt;Exec&gt;.map(&lt;func&gt;, &lt;args_1&gt;, ...) <span class="hljs-comment"># Multithreaded and non-lazy map(). Keeps order.</span>
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&lt;Futr&gt; = &lt;Exec&gt;.submit(&lt;func&gt;, &lt;arg_1&gt;, ...) <span class="hljs-comment"># Creates a thread and returns its Future object.</span>
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&lt;Exec&gt;.shutdown(wait=<span class="hljs-keyword">True</span>) <span class="hljs-comment"># Blocks until all threads finish executing.</span>
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</code></pre></div>
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</code></pre>
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<ul>
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<li><strong>Map() and as_completed() also accept 'timeout' argument that causes TimeoutError if result isn't available in 'timeout' seconds after next() is called.</strong></li>
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<li><strong>Exceptions that happen inside threads are raised when next() is called on map's iterator or when result() is called on a Future. It's exception() method returns exception or None.</strong></li>
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<li><strong>Exceptions that happen inside threads are raised when next() is called on map's iterator or when result() is called on a Future. Its exception() method returns exception or None.</strong></li>
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<li><strong>An object with the same interface called ProcessPoolExecutor provides true parallelism by running a separate interpreter in each process. Arguments and results must be <a href="#pickle">pickable</a>.</strong></li>
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</ul>
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<div><h2 id="operator"><a href="#operator" name="operator">#</a>Operator</h2><p><strong>Module of functions that provide the functionality of operators.</strong></p><pre><code class="python language-python hljs"><span class="hljs-keyword">import</span> operator <span class="hljs-keyword">as</span> op
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<footer>
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<aside>June 1, 2023</aside>
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<aside>June 4, 2023</aside>
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<a href="https://gto76.github.io" rel="author">Jure Šorn</a>
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</footer>
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