Top-rated recipes tagged "threads" Code RecipesCreating a daemon the Python way (Python) 2005-10-03T16:49:09-07:00Chad J. Schroeder <p style="color: grey"> Python recipe 278731 by <a href="/recipes/users/1760491/">Chad J. Schroeder</a> (<a href="/recipes/tags/threads/">threads</a>). Revision 6. </p> <p>The Python way to detach a process from the controlling terminal and run it in the background as a daemon.</p> Fork a daemon process on Unix (Python) 2001-07-10T14:01:38-07:00Jürgen Hermann <p style="color: grey"> Python recipe 66012 by <a href="/recipes/users/98061/">Jürgen Hermann</a> (<a href="/recipes/tags/threads/">threads</a>). </p> <p>Forking a daemon on Unix requires a certain sequence of system calls. Since Python exposes a full POSIX interface, this can be done in Python, too.</p> Generator Attributes (Python) 2002-12-09T08:44:56-08:00Raymond Hettinger <p style="color: grey"> Python recipe 164044 by <a href="/recipes/users/178123/">Raymond Hettinger</a> (<a href="/recipes/tags/threads/">threads</a>). Revision 3. </p> <p>Function to enable attribute access for generator instances. Simplifies data sharing for advanced uses of generators and provides much of the functionality sought by PEP 288. &lt;br&gt; Most uses of generators have no need for data sharing. This recipe is for the few tough cases which can be written more elegantly when attribute access is enabled.</p> Easy threading with Futures (Python) 2002-04-16T21:12:21-07:00David Perry <p style="color: grey"> Python recipe 84317 by <a href="/recipes/users/138465/">David Perry</a> (<a href="/recipes/tags/threads/">threads</a>). Revision 2. </p> <p>Although Python's thread syntax is nicer than in many languages, it can still be a pain if all one wants to do is run a time-consuming function in a separate thread, while allowing the main thread to continue uninterrupted. A Future provides a legible and intuitive way to achieve such an end.</p> Sleepsort (Python) 2011-06-17T05:17:22-07:00Raymond Hettinger <p style="color: grey"> Python recipe 577756 by <a href="/recipes/users/178123/">Raymond Hettinger</a> (<a href="/recipes/tags/sorting/">sorting</a>, <a href="/recipes/tags/threads/">threads</a>). Revision 2. </p> <p>Funky sort routine to demonstrate Python's threading basics.</p> Thread pool mixin class for use with SocketServer.TCPServer (Python) 2008-07-10T18:52:58-07:00Michael Palmer <p style="color: grey"> Python recipe 574454 by <a href="/recipes/users/1827292/">Michael Palmer</a> (<a href="/recipes/tags/threads/">threads</a>). Revision 2. </p> <p>This is intended as a drop-in replacement for the ThreadingMixIn class in module SocketServer of the standard lib. Instead of spawning a new thread for each request, requests are processed by of pool of reusable threads.</p> Run async code inline, nonblocking (Python) 2009-11-11T12:55:01-08:00Thomas Ahle <p style="color: grey"> Python recipe 576952 by <a href="/recipes/users/4060075/">Thomas Ahle</a> (<a href="/recipes/tags/asynchronous/">asynchronous</a>, <a href="/recipes/tags/closure/">closure</a>, <a href="/recipes/tags/decorator/">decorator</a>, <a href="/recipes/tags/generator/">generator</a>, <a href="/recipes/tags/threads/">threads</a>). Revision 7. </p> <p>A decorator, that makes it easy to switch between the mainthread and background threads.</p> TaskQueue (Python) 2006-03-25T13:00:38-08:00Raymond Hettinger <p style="color: grey"> Python recipe 475160 by <a href="/recipes/users/178123/">Raymond Hettinger</a> (<a href="/recipes/tags/threads/">threads</a>). Revision 3. </p> <p>Queue subclass to simplify working with consumer threads. Keeps a count of tasks put into the queue and lets the consumer thread report when each task has been retrieved AND PROCESSED COMPLETELY. This reporting supports a join() method that blocks untils all submitted tasks have been fully processed.</p> Basic synchronization decorator (Python) 2005-12-19T22:29:46-08:00John Fouhy <p style="color: grey"> Python recipe 465057 by <a href="/recipes/users/2466667/">John Fouhy</a> (<a href="/recipes/tags/threads/">threads</a>). </p> <p>Synchronization has got to be one of the most popular uses for decorators, but there's no recipe here. So, this is a simple synchronization decorator.</p> Decorator to make a decorated call in a separate thread with timeout (Python) 2005-10-31T05:15:57-08:00Dmitry Dvoinikov <p style="color: grey"> Python recipe 440569 by <a href="/recipes/users/2475216/">Dmitry Dvoinikov</a> (<a href="/recipes/tags/threads/">threads</a>). Revision 8. </p> <p>Makes it easier to execute async calls or deal with external systems calls to which can block forever or occassionally take long time to complete.</p> A generic programming thread pool (Python) 2003-09-24T17:24:43-07:00Tim Lesher <p style="color: grey"> Python recipe 203871 by <a href="/recipes/users/161138/">Tim Lesher</a> (<a href="/recipes/tags/threads/">threads</a>). Revision 3. </p> <p>A thread pool class that takes arbitrary callables as work units, and supports callbacks when the work unit is complete.</p> Threads, Tkinter and asynchronous I/O (Python) 2001-10-21T07:14:35-07:00Jacob Hallén <p style="color: grey"> Python recipe 82965 by <a href="/recipes/users/136936/">Jacob Hallén</a> (<a href="/recipes/tags/threads/">threads</a>). </p> <p>This recipe shows the easiest way of handling access to sockets, serial ports and other asynchronous I/O ports while running a Tkinter based GUI. It allows for a worker thread to block in a select(). Whenever something arrives it will received and inserted in a queue. The main (GUI) thread then polls the queue 10 times per second (often enough so the user will not notice any significant delay), and processes all messages that have arrived.</p> Multi-threaded Mandelbrot Fractal (Python) 2011-05-01T17:33:20-07:00FB36 <p style="color: grey"> Python recipe 577680 by <a href="/recipes/users/4172570/">FB36</a> (<a href="/recipes/tags/fractal/">fractal</a>, <a href="/recipes/tags/graphics/">graphics</a>, <a href="/recipes/tags/image/">image</a>, <a href="/recipes/tags/math/">math</a>, <a href="/recipes/tags/mathematics/">mathematics</a>, <a href="/recipes/tags/thread/">thread</a>, <a href="/recipes/tags/threading/">threading</a>, <a href="/recipes/tags/threads/">threads</a>). Revision 3. </p> <p>Multi-threaded Mandelbrot Fractal.</p> Spin Cursor (Python) 2007-10-31T13:22:40-07:00Anand <p style="color: grey"> Python recipe 534142 by <a href="/recipes/users/760763/">Anand</a> (<a href="/recipes/tags/threads/">threads</a>). </p> <p>A class providing a threaded spin cursor on the console.</p> Multiple-reader-one-writer (MROW) resource locking (Python) 2005-05-07T04:23:52-07:00Matthew Scott <p style="color: grey"> Python recipe 413393 by <a href="/recipes/users/2422085/">Matthew Scott</a> (<a href="/recipes/tags/threads/">threads</a>). Revision 2. </p> <p>In multithreaded apps, there is at times the need to control access to a resource to ensure data consistency and integrity. Multiple-reader, one-writer locking allows efficient read access by multiple threads, while ensuring that a write does not overlap any reads nor another write.</p> Thread Control Idiom (Python) 2001-07-05T06:31:54-07:00Doug Fort <p style="color: grey"> Python recipe 65448 by <a href="/recipes/users/118211/">Doug Fort</a> (<a href="/recipes/tags/threads/">threads</a>). </p> <p>This is a basic idiom I use on almost every thread I write.</p> Run a task every few seconds (Python) 2001-06-18T04:31:57-07:00Itamar Shtull-Trauring <p style="color: grey"> Python recipe 65222 by <a href="/recipes/users/98053/">Itamar Shtull-Trauring</a> (<a href="/recipes/tags/threads/">threads</a>). </p> <p>The TaskThread class allows you to create threads that execute a specific action at a specified interval, by subclassing - just override the task() method. You can also shutdown a TaskThread without having to wait for it to finish "sleeping" (due to the use of threading.Event objects as an alternative to time.sleep()).</p> Generic way to create a daemonized process in python (Python) 2012-03-26T14:56:17-07:00ajaymenon.k <p style="color: grey"> Python recipe 578072 by <a href="/recipes/users/4181225/">ajaymenon.k</a> (<a href="/recipes/tags/daemon/">daemon</a>, <a href="/recipes/tags/process/">process</a>, <a href="/recipes/tags/threads/">threads</a>). Revision 4. </p> <p>A simple daemon that will constantly keep track the size of your inbox and when it exceeds a certain size, will send you a reminder email.</p> A multithreaded, concurrent version of map() (Python) 2010-08-16T23:04:48-07:00Wai Yip Tung <p style="color: grey"> Python recipe 577360 by <a href="/recipes/users/2382677/">Wai Yip Tung</a> (<a href="/recipes/tags/concurrency/">concurrency</a>, <a href="/recipes/tags/multithreading/">multithreading</a>, <a href="/recipes/tags/threads/">threads</a>). </p> <p>map() applies a function to a list of data sequentially. This is a variation to map that execute each function call concurrently in a thread.</p> Heise mp3 downloader (Python) 2009-01-17T11:51:39-08:00d.schlabing <p style="color: grey"> Python recipe 576618 by <a href="/recipes/users/4168903/">d.schlabing</a> (<a href="/recipes/tags/oop/">oop</a>, <a href="/recipes/tags/script/">script</a>, <a href="/recipes/tags/threads/">threads</a>). </p> <p>This little script presents new heise-news-articles individually by title and asks if it should download the corresponding mp3-file.</p>