tjreedy's articles:

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"Don't rebind built-in names*" - it confuses readers 20 2 (6/11/2013 12:14:55 AM) comp.lang.python Many long-time posters have advised "Don't rebind built-in names*. * Unless you really mean to mask it, or more likely wrap it, such as wrapping print to modify some aspect of its operation than one cannot... Terry

Building importable _tkinter on Windows 0 19 (3/10/2013 12:41:08 AM) comp.lang.python If you have tried to build _tkinter on Windows from the cpython repository, and have 'import tkinter' work, please share your experience, successful or not. I and another person have both failed. Followi... Terry

Python Speed #2 2 15 (2/27/2013 10:24:10 PM) comp.lang.python On 2/27/2013 3:21 AM, jmfauth hijacked yet another thread: > Some are building, some are destroying. We are still waiting for you to help build a better 3.3+, instead of=20 trying to 'destroy' it with mos... Terry

Hitting send by mistake -- a solution 0 20 (2/5/2013 7:41:21 PM) comp.lang.python [comment about a double post] > He must have hit the send button too early by mistake. I used to do that occasionally. The reason is that the default position of [send] was on the left, under [File] and ... Terry

Understanding while...else... 0 14 (1/22/2013 5:44:05 PM) comp.lang.python Several people have trouble understanding Python's while-else and for-else constructs. It is actually quite simple if one starts with if-else, which few have any trouble with. Start with, for example ... Terry

Why 'Flat is better than nested' 0 43 (7/31/2012 9:04:44 PM) comp.lang.python >>> import this prints 'The Zen of Python', a poem by Tim Peters that consists of python proverbs such as "Flat is better than nested." (Others things being equal) why? Because it is a restatement of th... Terry

Idioms combining 'next(items)' and 'for item in items:' 2 34 (9/10/2011 7:36:42 PM) comp.lang.python Python's iterator protocol for an iterator 'items' allows combinations of explicit "next(items)" calls with the implicit calls of a "for item in items:" loop. There are at least three situations in which this... Terry

Why Python3 12 37 (6/28/2010 12:12:10 AM) comp.lang.python Some people appear to not understand the purpose of Python3 or more specifically, of the changes that break Python2 code. I attempt here to give a relatively full explanation. SUMMARY: Python3 completes (or ... Terry

Understanding the CPython dict implementation 6 38 (3/14/2010 11:39:46 PM) comp.lang.python I found this PyCon2010 presentation to be excellent: The Mighty Dictionary, Branden Craig Rhodes, 30 min. http://pycon.blip.tv/file/3264041/ Even knowing Python for over a decade, I learned a few things. Terr... Terry

Python + twisted = Raindrop (in part) 1 52 (10/27/2009 6:32:37 PM) comp.lang.python Rrom: First look: inside Mozilla's Raindrop messaging platform http://arstechnica.com/open-source/news/2009/10/first-look-inside-mozillas-raindrop-messaging-platform.ars "The backend components that are respo... Terry

tjreedy's replies:

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Pattern Search Regular Expression 21 2 (6/15/2013 9:42:55 AM) comp.lang.python Dear Group, I am trying to search the following pattern in Python. I have following strings: (i)"In the ocean" (ii)"On the ocean" (iii) "By the ocean" (iv) "In this group" (v) "In this group" ... subhabangalore (127)

collecting variable assignments through settrace 1 1 (6/18/2013 6:38:23 PM) comp.lang.python Hi, I'm writing a custom profiler that uses sys.settrace. I was wondering if= there was any way of tracing the assignments of variables inside a functio= n as its executed, without looking at locals() at... skunkwerk (26)

Timsort in Cpython 14 1 (6/15/2013 7:44:01 PM) comp.lang.python I'm currently trying to make sense of Python's Timsort function. From the wikipedia page I was told the algorithm is located somewhere here: http://hg.python.org/cpython/file/default/Objects/listobject.c So ... alphonse23 (5)

A Beginner's Doubt 9 0 (6/19/2013 1:58:19 PM) comp.lang.python Hello! This is my first post in this group and the reason why I came across here i= s that, despite my complete lack of knowledge in the programming area, I re= ceived an order from my teacher to develop a v... augustofec (1)

A certainl part of an if() structure never gets executed. 152 2 (6/11/2013 8:20:52 PM) comp.lang.python [code] if not re.search( '=3D', name ) and not re.search( '=3D', month ) and not= re.search( '=3D', year ): cur.execute( '''SELECT * FROM works WHERE clientsID =3D (SELECT id FROM = clients WHERE name... nikos.gr33k (626)

Why is regex so slow? 22 1 (6/18/2013 4:45:29 PM) comp.lang.python I've got a 170 MB file I want to search for lines that look like: [2010-10-20 16:47:50.339229 -04:00] INFO (6): songza.amie.history - ENQUEUEING: /listen/the-station-one This code runs in 1.3 seconds: ... roy (2044)

Version Control Software 51 2 (6/12/2013 11:27:22 PM) comp.lang.python I am looking for an appropriate version control software for python develop= ment, and need professionals' help to make a good decision. Currently I am = considering four software: git, SVN, CVS, and Mercuria... ms2597 (2)

os.putenv() has no effect 7 1 (6/18/2013 4:49:31 PM) comp.lang.python Hi group, I've tracked down a bug in my application to a rather strange phaenomenon: os.putenv() doesn't seem to have any effect on my platform (x86-64 Gentoo Linux, Python 3.2.3): >>> os.getenv("PATH")... dfnsonfsduifb (1169)

Split a list into two parts based on a filter? 37 2 (6/10/2013 8:34:54 PM) comp.lang.python I have a list, songs, which I want to divide into two groups. Essentially, I want: new_songs = [s for s in songs if s.is_new()] old_songs = [s for s in songs if not s.is_new()] but I don't want to make ... roy (2044)

Fatal Python error: Py_Initialize: can't initialize sys standard streams 11 2 (6/15/2013 9:29:22 PM) comp.lang.python I get this error when I try to save .dxf files in Inkscape: Fatal Python error: Py_Initialize: can't initialize sys standard streams Then it seems to recover but it doesn't really recover. It saves the fi... lucabrasi154 (4)