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Jure Šorn 1 year ago
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  1. 10
      README.md
  2. 14
      index.html

10
README.md
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@ -2118,8 +2118,8 @@ from concurrent.futures import ThreadPoolExecutor, as_completed
#### Or: #### Or:
```python ```python
with <lock>: # Enters the block by calling acquire(),
... # and exits it with release(), even on error.
with <lock>: # Enters the block by calling acquire() and
... # exits it with release(), even on error.
``` ```
### Semaphore, Event, Barrier ### Semaphore, Event, Barrier
@ -2141,8 +2141,8 @@ with <lock>: # Enters the block by calling acq
### Thread Pool Executor ### Thread Pool Executor
```python ```python
<Exec> = ThreadPoolExecutor(max_workers=None) # Or: `with ThreadPoolExecutor() as <name>: …` <Exec> = ThreadPoolExecutor(max_workers=None) # Or: `with ThreadPoolExecutor() as <name>: …`
<iter> = <Exec>.map(<func>, <args_1>, ...) # A multithreaded non-lazy map(). Keeps order.
<Futr> = <Exec>.submit(<func>, <arg_1>, ...) # Starts a thread and returns its Future object.
<iter> = <Exec>.map(<func>, <args_1>, ...) # Multithreaded and non-lazy map(). Keeps order.
<Futr> = <Exec>.submit(<func>, <arg_1>, ...) # Creates a thread and returns its Future object.
<Exec>.shutdown(wait=True) # Blocks until all threads finish executing. <Exec>.shutdown(wait=True) # Blocks until all threads finish executing.
``` ```
@ -2153,7 +2153,7 @@ with <lock>: # Enters the block by calling acq
<iter> = as_completed(<coll_of_Futures>) # Each Future is yielded as it completes. <iter> = as_completed(<coll_of_Futures>) # Each Future is yielded as it completes.
``` ```
* **Map() and as_completed() also accept 'timeout' argument that causes TimeoutError if result isn't available in 'timeout' seconds after next() is called.** * **Map() and as_completed() also accept 'timeout' argument that causes TimeoutError if result isn't available in 'timeout' seconds after next() is called.**
* **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.**
* **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.**
* **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).** * **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).**

14
index.html
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@ -54,7 +54,7 @@
<body> <body>
<header> <header>
<aside>June 1, 2023</aside>
<aside>June 4, 2023</aside>
<a href="https://gto76.github.io" rel="author">Jure Šorn</a> <a href="https://gto76.github.io" rel="author">Jure Šorn</a>
</header> </header>
@ -1752,8 +1752,8 @@ CompletedProcess(args=[<span class="hljs-string">'bc'</span>, <span class="hljs-
&lt;lock&gt;.release() <span class="hljs-comment"># Makes the lock available again.</span> &lt;lock&gt;.release() <span class="hljs-comment"># Makes the lock available again.</span>
</code></pre></div> </code></pre></div>
<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>
... <span class="hljs-comment"># and exits it with release(), even on error.</span>
<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>
... <span class="hljs-comment"># exits it with release(), even on error.</span>
</code></pre></div> </code></pre></div>
<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> <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>
@ -1769,8 +1769,8 @@ CompletedProcess(args=[<span class="hljs-string">'bc'</span>, <span class="hljs-
</code></pre></div> </code></pre></div>
<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> <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>
&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>
&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>
&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>
&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>
&lt;Exec&gt;.shutdown(wait=<span class="hljs-keyword">True</span>) <span class="hljs-comment"># Blocks until all threads finish executing.</span> &lt;Exec&gt;.shutdown(wait=<span class="hljs-keyword">True</span>) <span class="hljs-comment"># Blocks until all threads finish executing.</span>
</code></pre></div> </code></pre></div>
@ -1781,7 +1781,7 @@ CompletedProcess(args=[<span class="hljs-string">'bc'</span>, <span class="hljs-
</code></pre> </code></pre>
<ul> <ul>
<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> <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>
<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>
<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>
<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> <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>
</ul> </ul>
<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 <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
@ -2934,7 +2934,7 @@ $ pyinstaller script.py --add-data '&lt;path&gt;:.' <span class="hljs-comment">
<footer> <footer>
<aside>June 1, 2023</aside>
<aside>June 4, 2023</aside>
<a href="https://gto76.github.io" rel="author">Jure Šorn</a> <a href="https://gto76.github.io" rel="author">Jure Šorn</a>
</footer> </footer>

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