Re: "Don't rebind built-in names*" - it confuses readers

On 6/10/2013 10:56 PM, Steven D'Aprano wrote: I was initially confused and reading the code still takes a small bit of extra mental energy. Idle stays confused and will wrongly color the list instance name until it is changed. Calling the file list 'fnames' or 'filenames' would have been clearer

"Don't rebind built-in names*" - it confuses readers

dle stays confused and will wrongly color the list instance name until it is changed. Calling the file list 'fnames' or 'filenames' would have been clearer to both me and Idle. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: Newbie: question regarding references and class relationships

On 6/10/2013 4:13 PM, Rui Maciel wrote: Terry Jan Reedy wrote: Three answers: Look how much trouble it has already caused ;-) Since you are a self-declared newbie, believe us! Since, be definition, useless code can do no good, it can only cause trouble. Think about it. I don't doubt

Re: py_compile vs. built-in compile, with __future__

On 6/10/2013 11:33 AM, dhyams wrote: The built-in compile() function has a "flags" parameter that one can use to influence the "__future__" mechanism. However, py_compile.compile, which I'm using to byte-compile code, doesn't have an equivalent means to do this. That flag was added to compile b

Re: Newbie: question regarding references and class relationships

On 6/10/2013 9:18 AM, Rui Maciel wrote: class Model: points = [] lines = [] Unless you actually need keep the points and lines ordered by entry order, or expect to keep sorting them by whatever, sets may be better than lists. Testing that a point or line is in the model wil

Re: Newbie: question regarding references and class relationships

On 6/10/2013 12:09 PM, Rui Maciel wrote: We've established that you don't like attribute declarations, at least those you describe as not fulfill a technical purpose. What I don't understand is why you claim that that would "cause nothing but trouble". Three answers: Look how much trouble it

Re: Idiomatic Python for incrementing pairs

cleaner but a bit slower than your in-lined version. I did not use __iadd__ and += because unpacking 'other' (here the process return) in the call does the error checking ('exactly two values') for 'free'. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: Mistakes in documentation

On 6/6/2013 8:01 AM, Paul Volkov wrote: Where can I submit little mistakes in Python documantation? I found one while browsing tutorial.pdf (Python 3.3.2): Section 3.1 says (on page 12): >>> word[2:5] # characters from position 2 (included) to 4 (excluded) ’tho’ Shouldn't the comment say "5 (e

Dijkstra (was Re: Source code to identify user through browser?)

the 'Averages are not extreme' theorem. Corollary: if min(s) == 1 and sum(S) > n, then max(S) > 1 'Pigeonhole Principle' -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: Bools and explicitness [was Re: PyWart: The problem with "print"]

On 6/5/2013 2:11 AM, Russ P. wrote: But then, what would you expect of a language that allows you to write x = 1 > x = "Hello" It's all loosey goosey -- which is fine for many applications but certainly not for critical ones. I believe Shedskin, a Python *subset* compiler*, will reject tha

Re: Interactive interpreter hooks

On 6/3/2013 3:55 AM, Steven D'Aprano wrote: The sys module defines two hooks that are used in the interactive interpreter: * sys.displayhook(value) gets called with the result of evaluating the line when you press ENTER; * sys.excepthook(type, value, traceback) gets called with the details of t

Re: Python 2-3 compatibility

pported operand type(s) for /: 'int' and 'str' " There are more tips on that page, a reference to the six module, and more hits on the search page. Good luck. You are not the first to support the same range of versions (and for the same reasons). -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: Future standard GUI library

On 6/1/2013 4:46 PM, Chris Angelico wrote: On Sun, Jun 2, 2013 at 4:18 AM, Wolfgang Keller wrote: And by "screenworkers" I didn't refer to programmers. Those people rarely have to use the stuff that they implement. Of course not, programmers never use software they've themselves written. Ne

Re: The state of pySerial

On 5/29/2013 3:47 PM, Grant Edwards wrote: On 2013-05-29, Ma Xiaojun wrote: pySerial is probably "the solution" for serial port programming. Physical serial port is dead on PC but USB-to-Serial give it a second life. Serial port stuff won't interest end users at all. But it is still used in th

Re: The state of pySerial

On 5/29/2013 4:00 PM, William Ray Wing wrote: On May 29, 2013, at 2:23 PM, Ma Xiaojun wrote: Hi, all. pySerial is probably "the solution" for serial port programming. Physical serial port is dead on PC but USB-to-Serial give it a second life. Serial port stuff won't interest end users at all.

Re: Python #ifdef

On 5/28/2013 6:25 PM, Joel Goldstick wrote: On Tue, May 28, 2013 at 6:18 PM, Mark Lawrence mailto:breamore...@yahoo.co.uk>> wrote: On 28/05/2013 20:46, Carlos Nepomuceno wrote: I'd like to have something like '#ifdef' to mix code from Python 2 and 3 in a single file.

Re: Python error codes and messages location

On 5/27/2013 12:54 PM, Carlos Nepomuceno wrote: I think PEP 3151 is a step ahead! That's almost exactly what I was looking for. Why did it take so long to have that implemented? Since this PEP involved changing existing features, rather than adding som

Re: Short-circuit Logic

On 5/26/2013 4:22 PM, Roy Smith wrote: In article , Terry Jan Reedy wrote: On 5/26/2013 7:11 AM, Ahmed Abdulshafy wrote: if not allow_zero and abs(x) < sys.float_info.epsilon: print("zero is not allowed") The reason for the order is to do the eas

Re: Cutting a deck of cards

On 5/26/2013 3:54 PM, Carlos Nepomuceno wrote: From: usenetm...@solar-empire.de [...] Not in Python3.x decks = 6 list(range(13 * 4 * decks)) == range(13 * 4 * decks) False Adiaŭ Marc What does "list(range(13 * 4 * decks))" returns in Python 3?

Re: Encodign issue in Python 3.3.1 (once again)

On 5/26/2013 12:36 PM, Νίκος Γκρ33κ wrote: This is the code that although correct becaus it works with englisg(standARD ASCII letters) it wont with Greek: if( log ): name = log # print specific client header info cur.execute('''SELECT hits, money FROM clients WHERE name

Re: Output from to_bytes

On 5/26/2013 8:02 AM, Mok-Kong Shen wrote: for k in range(8,12,1): print(k.to_bytes(2,byteorder='big')) http://bugs.python.org/issue9951 http://bugs.python.org/issue3532 import binascii as ba for k in range(8,12,1): print(ba.hexlify(k.to_bytes(2,byteorder='big'))) >>> b'0008' b'0

Re: Short-circuit Logic

On 5/26/2013 7:11 AM, Ahmed Abdulshafy wrote: if not allow_zero and abs(x) < sys.float_info.epsilon: print("zero is not allowed") The reason for the order is to do the easy calculation first and the harder one only if the first passes. -- http://mail.python.org/mail

Re: Simple algorithm question - how to reorder a sequence economically

On 5/24/2013 4:14 AM, Peter Brooks wrote: What is the easiest way to reorder a sequence pseudo-randomly? That is, for a sequence 1,2,3,4 to produce an arbitrary ordering (eg 2,1,4,3) that is different each time. I'm writing a simulation and would like to visit all the nodes in a different order

Re: Non-identifiers in dictionary keys for **expression syntax

On 5/23/2013 2:52 PM, Matthew Gilson wrote: This is a question regarding the documentation around dictionary unpacking. The documentation for the call syntax (http://docs.python.org/3/reference/expressions.html#grammar-token-call) says: "If the syntax **expression appears in the function call,

Re: PEP 378: Format Specifier for Thousands Separator

On 5/23/2013 2:42 PM, Dave Angel wrote: On 05/23/2013 11:26 AM, Carlos Nepomuceno wrote: eggs(a,f) Traceback (most recent call last): File "", line 1, in eggs(a,f) File "", line 1, in eggs def eggs(spam, ham): return spam % ham TypeError: not all arguments converted during string formattin

Re: how to get the socket module compiled with SSL support

On 5/23/2013 9:58 AM, Kihup Boo wrote: I am trying to make an HTTPS connection and read that HTTPS support is only available if the socket module was compiled with SSL support. _http://www.jython.org/docs/library/httplib.html_ Can someone elaborate on this? Where can I get the socket module for

Re: subclassing from unittest

On 5/23/2013 2:58 AM, Ulrich Eckhardt wrote: Well, per PEP 8, classes use CamelCaps, so your naming might break automatic test discovery. Then, there might be another thing that could cause this, and that is that if you have an intermediate class derived from unittest.TestCase, that class on its

Re: Newbie question about evaluating raw_input() responses

On 5/23/2013 12:47 AM, Steven D'Aprano wrote: On Wed, 22 May 2013 22:31:04 +, Alister wrote: Please write out 1000 time (without using any form of loop) "NEVER use input in python <3.0 it is EVIL"* But all joking aside, eval is dangerous, yes, but it is not "evil". He put that label o

Re: subclassing from unittest

class UpperSub(StdTestCase): pass unittest.main(verbosity=2, exit=False) # prints (3.3) -- Ran 0 tests in 0.000s OK Same as before the subclasses were added. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: What was the project that made you feel skilled in Python?

On 5/22/2013 9:05 AM, Ben Finney wrote: I wanted to simulate a particular board game, and had others in mind with some common mechanics. This resulted in a library for rolling dice in different combinations, and looking up result tables https://pypi.python.org/pypi/alea>. Have you cosidered a

Re: Myth Busters: % "this old style of formatting will eventually be removed from the language"

On 5/22/2013 10:24 AM, Denis McMahon wrote: Indeed, removing %-formatting could break a substantial amount of live code, with potentially significant maintenance effort in the user While I would like to see % formatting go away everntually*, other developers would not. In any case, I agree th

Re: What was the project that made you feel skilled in Python?

On 5/20/2013 3:36 PM, Thomas Murphy wrote: talking about "patches" in the stdlib? Is there a separate library of patches? http://bugs.python.org http://docs.python.org/devguide/ -- http://mail.python.org/mailman/listinfo/python-list

Re: Future standard GUI library

On 5/20/2013 1:04 AM, Vito De Tullio wrote: Terry Jan Reedy wrote: Do you think tkinter is going to be the standard python built-in gui solution as long as python exists? AT the moment, there is nothing really comparable that is a realistic candidate to replace tkinter. FLTK? (http

Re: Harmonic distortion of a input signal

On 5/19/2013 6:49 PM, Oscar Benjamin wrote: import numpy as np Create a square wave signal: x = np.zeros(50) x[:25] = -1 x[25:] = +1 x array([-1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., -1., 1., 1.

Re: TypeError: unbound method add() must be called with BinaryTree instance as first argument (got nothing instead)

On 5/18/2013 3:46 PM, Peter Otten wrote: Dan Stromberg wrote: python 2.x, python 3.x and pypy all give this same error, though jython errors out at a different point in the same method. By the way, 3.x doesn't have unbound methods, so that should work. It does for this example (3.3.1) >>> c

Re: Future standard GUI library

On 5/18/2013 10:03 AM, Beinan Li wrote: Not sure if this is the right place to talk about this. It is. Even less sure if I can move this discussion to tkinter list, The idea of replacing tkinter is not about improving tkinter ;-). Do you think tkinter is going to be the standard python bu

Re: how to run another file inside current file?

On 5/18/2013 7:15 AM, Kevin Xi wrote: Hi, It's better to specify version of python you work with. Absolutely. I know nothing about python 3 but in python 2 you can do this with `exec`. Example: > f = file('otherFile.py') > exec f Py 2 has execfile that does the above. Py 3 do as above

Re: python script is not running

On 5/18/2013 6:12 AM, Avnesh Shakya wrote: hi, i want to run python script which generating data into json fromat, I am using crontab, but it's not executing... my python code-- try.py -- import json import simplejson as json import sys def tryJson(): saved = sys.stdout correctF

Re: Python for philosophers

On 5/15/2013 9:17 PM, Tim Daneliuk wrote: http://pvspade.com/Sartre/cookbook.html Wikedly funny. -- http://mail.python.org/mailman/listinfo/python-list

Re: Writing a blog post on the new Enum.

On 5/14/2013 3:52 AM, Chris Angelico wrote: On Tue, May 14, 2013 at 9:40 AM, Fábio Santos wrote: http://fabiosantoscode.blogspot.pt/2013/05/pythons-new-enum-class.html class Text(unicode, Enum): one = u'one' two = u'two' three = u'three' Is this supposed to

Re: Fwd: Python for philosophers

2013/5/14 Steven D'Aprano mailto:steve+comp.lang.pyt...@pearwood.info>> >Python is not named after the snake, but after Monty Python the British >comedy troupe. And they picked their name because it sounded funny. That does not mean they were unaware that Pythons are snakes. "

Re: Message passing syntax for objects | OOPv2

On 5/12/2013 1:18 PM, Ned Batchelder wrote: On 5/8/2013 10:39 PM, Mark Janssen wrote: ...The field needs re-invented and re-centered.[...] For anyone who want to be involved. See the wikiwikiweb -- a tool that every programmer should know and use -- and these pages: ComputerScienceVersionTwo

Re: object.enable() anti-pattern

ess bugs, easier to comprehend, change/update your code. Easier to use the class. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: object.enable() anti-pattern

On 5/12/2013 1:14 PM, Wayne Werner wrote: On Fri, 10 May 2013, Gregory Ewing wrote: Wayne Werner wrote: You don't ever want a class that has functions that need to be called in a certain order to *not* crash. That seems like an overly broad statement. What do you think the following should d

Re: Old version docs don't link to current version

On 5/12/2013 10:12 AM, Chris Angelico wrote: Not sure if this is an oversight or something deliberate... could be either. From http://docs.python.org/3.0/library/http.server.html there's no link to the current docs, even though from http://docs.python.org/3/library/http.server.html it's possibl

Re: Forming a small python programming group

On 5/9/2013 2:59 AM, kreta06 wrote: Hi All, I'm looking for one or two medium-advanced python programmers to practice programming on a Windows 7 platform. In addition, any interests in writing python code to query Microsoft SQL databases (2005-2008) is also welcomed. I've coded in python 2.7 an

Re: object.enable() anti-pattern

On 5/9/2013 1:23 AM, Steven D'Aprano wrote: Besides, this is not to denigrate the idea of a read() function that takes a filename and returns its contents. But that is not an object constructor. It may construct a file object internally, but it doesn't return the file object, so it is completely

Re: cello library

with (file in open($(File, NULL), "prices.bin", "wb"))) { ... } An interesting question is whether it could be used to convert or rewrite Python to C. __ Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: Making safe file names

On 5/7/2013 3:58 PM, Andrew Berg wrote: Currently, I keep Last.fm artist data caches to avoid unnecessary API calls and have been naming the files using the artist name. However, artist names can have characters that are not allowed in file names for most file systems (e.g., C/A/T has forward s

Re: Get filename using filefialog.askfilename

ined by the mode ('b' present or not), buffer arg, and maybe something else. You can look in the io chapter or use dir() and help() as John G. suggested. Python programmers should really learn to use dir(), help(), and the manuls, including the index and module index. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: Why do Perl programmers make more money than Python programmers

On 5/7/2013 9:22 AM, jmfauth road forth on his dead hobbyhorse to hijack yet another thread: # Py 3.3 ascii and non ascii chars timeit.repeat("a = 'hundred'; 'x' in a") [0.11426985953005442, 0.10040049292649655, 0.09920834808588097] timeit.repeat("a = 'maçãé€ẞ'; 'é' in a") [0.23455951882567

Re: First python program, syntax error in while loop

On 5/6/2013 11:31 AM, Roy Smith wrote: In article , Chris Angelico wrote: On Mon, May 6, 2013 at 11:08 PM, Roy Smith wrote: On the other hand, I've long since given up trying to remember operator precedence in various languages. If I ever have even the slightest doubt, I just go ahead and p

Re: (Learner-here) Lists + Functions = headache

You should have discovered that by testings. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: to a human - about 2to3

On 5/1/2013 10:52 AM, Jennifer Butler wrote: I will start teaching Python to my pupils shortly. I have been looking for materials and have gathered a collection of programs. The problem is they are written in v2 and I have v3 installed in my classroom. I read about the 2to3 conversion program, b

Re: How do I encode and decode this data to write to a file?

On 4/29/2013 5:47 AM, c...@isbd.net wrote: case). Here's the traceback:- File "/usr/local/lib/python2.7/dist-packages/gallery/picture.py", line 361, > in createPictureHTML file.write("".join(html).encode('utf-8')) > UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 7

Re: "python.exe has stopped working" when os.execl() runs on Windows 7

On 4/27/2013 11:42 PM, cormog...@gmail.com wrote: Is there the place to open a ticket for Python developers? bugs.python.org -- http://mail.python.org/mailman/listinfo/python-list

Re: Comparison Style

On 4/27/2013 5:03 PM, Roy Smith wrote: In article , Chris Angelico wrote: If you switch the order of operands in that, the compiler won't help you. Plus it "reads" wrong. So the convention is still variable==constant. I just found a nice example of putting the constant first. I've just do

Re: Nested For loop not running full

On 4/26/2013 4:48 AM, inshu chauhan wrote: Hello everyone, I have this part of my code where I am trying to traverse over an image by running a for loop for both x and y co-ordinate axis. But the loop is terminating by just reading first pixel. Can think of a reason why this is happening ? *A*

Re: Libroffice PMT equivalent in python

On 4/25/2013 6:46 AM, ஆமாச்சு wrote: Hi, Are there equivalent in any Python libraries that could match function like PMT in libreoffice? Refer: https://help.libreoffice.org/Calc/Financial_Functions_Part_Two#PMT try the packages listed at https://pypi.python.org/pypi?%3Aaction=search&term=fina

Re: My gui

On 4/24/2013 1:53 PM, Chris “Kwpolska” Warrick wrote: Please try fixing it and running it _outside of IDLE_, which is also built in Tk The default mode of Idle runs user code in a separate process. Editing tkinter code with Idle and running it (in the separate process) should be no problem.

Re: Nested iteration?

once 0 1 0 2 I would only nest if the inner loop could terminate without exhausting the iterator and I wanted the outer loop to then resume. __ Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: List Count

On 4/23/2013 12:57 PM, Blind Anagram wrote: So, all I was doing in asking for advice was to check whether there is an easy way of avoiding the slice copy, And there is. not because this is critical, but rather because it is a pity to limit the performance because Python forces a (strictly un

Re: List Count

implemented for non-sequence collections, such as a Tree class, that allow multiple occurrences of an item. > whereas count for other objects (e.g. strings) has these. Strings (of unicode or bytes) are exceptional in multiple ways. -- Terry Jan Reedy -- http://mail.python.org/mailman/listi

Re: suggestion for a small addition to the Python 3 list class

On 4/21/2013 1:12 PM, Lele Gaifax wrote: "Robert Yacobellis" writes: I've noticed that the str join() method takes an iterable, Specifically, it takes an iterable of strings. Any iterable can be made such iwth map(str, iterable) or map(repr, iterble). >> so in the most general case I'm s

Re: Is Unicode support so hard...

On 4/20/2013 9:37 PM, rusi wrote: I believe that the recent correction in unicode performance followed jmf's grumbles No, the correction followed upon his accurate report of a regression, last August, which was unfortunately mixed in with grumbles and inaccurate claims. Others separated out

Re: There must be a better way

On 4/20/2013 8:34 PM, Tim Chase wrote: In 2.x, the csv.reader() class (and csv.DictReader() class) offered a .next() method that is absent in 3.x In Py 3, .next was renamed to .__next__ for *all* iterators. The intention is that one iterate with for item in iterable or use builtin functions i

Re: Include and lib files for Visual Studio?

On 4/20/2013 4:59 PM, xuc...@gmail.com wrote: I am looking for the Python include and lib files for windows. I have a c++ project that I am importing into Visual Studio 2010 (express) and it links python. I need the include and lib files for windows. Where can I get them? I'd like to use python

Re: Ubuntu package "python3" does not include tkinter

On 4/19/2013 1:17 PM, lcrocker wrote: Am I mistaken in my belief that tkinter is a non-optional part of the Python language? Yes. The PSF CPython Windows installer makes installation of tcl/tk/tkinter optional. The build files will compile and build Python without tkinter and without other mo

Re: Feature Request: `operator.not_in`

ut important details. __contains__ *is* expected to return true/false. " object.__contains__(self, item) Called to implement membership test operators. Should return true if item is in self, false otherwise" -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: Preparing sqlite, dl and tkinter for Python installation (no admin rights)

On 4/18/2013 12:24 PM, James Jong wrote: After compiling, you might want to run the test suite. libtk8.6.so I do not know that Python/_tkinter/tkinter has been very well tested, certainly not on all systems, with the newish tcl/tk 8.6, as opposed to 8.5.z used for sever

Re: Understanding Boolean Expressions

Yes. > Beyond that, though, I'm not sure whether this maps to an and_test (the first option on the right-hand side of the rule) or to the or_test "or" and_test option (the second on the right-hand side of the rule). The second. Then the or_test on the left also maps to an and_test. Each and_test eventually resolves to 'identifier', specifically 'x' and 'y'. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: Missing decimals in the code - some suggestions?

On 4/16/2013 2:02 PM, hmjelte...@gmail.com wrote: Hi! I am using ystockquote with the following code: def get_historical_prices(symbol, start_date, end_date): """ Get historical prices for the given ticker symbol. Date format is 'MMDD' Returns a nested list. """

Re: The type/object distinction and possible synthesis of OOP and imperative programming languages

On 4/16/2013 1:29 PM, Ethan Furman wrote: On 04/16/2013 01:25 AM, Serhiy Storchaka wrote: On 16.04.13 07:46, Ian Kelly wrote: On Mon, Apr 15, 2013 at 9:17 PM, Terry Jan Reedy wrote: I will keep the above in mind if I write or review a patch. here are 4 non-subclassable builtin classes. Two

Re: The node.js Community is Quietly Changing the Face of Open Source

de-js-community-is-quietly-changing-the-face-of-open-source/ The irony is that the author goes on to say that the node.js community 'works' because they all use the same infrastructure battery: git and git-hub ;-). -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: a couple of things I don't understand wrt lists

On 4/16/2013 11:37 AM, aaB wrote: I represent the CA's rule with a list of integers, of value 1 or 0. Here is the function I use to generate the list: def get_rule(rulenum): rule = [] while rulenum > 0: rule.append(rulenume % 2) rulenum /= 2 divmod(rulenum) will return both th

Re: Preparing sqlite, dl and tkinter for Python installation (no admin rights)

On 4/16/2013 10:30 AM, rosoloum wrote: I do not have admin rights on my machine The answer to your question may depend on the OS (linux), distribution (many), and version. What about `_tkinter` and `dl`? How can I have them ready for the Python installer? Building _tkinter (a Python C-co

Re: The type/object distinction and possible synthesis of OOP and imperative programming languages

On 4/16/2013 5:07 AM, Antoon Pardon wrote: Op 16-04-13 05:17, Terry Jan Reedy schreef: On 4/15/2013 10:32 PM, Steven D'Aprano wrote: On Mon, 15 Apr 2013 20:52:58 -0400, Terry Jan Reedy wrote: I will keep the above in mind if I write or review a patch. here are 4 non-subclassable bu

Re: The type/object distinction and possible synthesis of OOP and imperative programming languages

On 4/15/2013 10:32 PM, Steven D'Aprano wrote: On Mon, 15 Apr 2013 20:52:58 -0400, Terry Jan Reedy wrote: Some builtin classes cannot be subclassed. There is an issue to document which better. That does not mean that it is not a class. I think it is also important to document whether

Re: The type/object distinction and possible synthesis of OOP and imperative programming languages

On 4/15/2013 1:43 PM, Antoon Pardon wrote: $ python3 Python 3.2.3 (default, Feb 20 2013, 17:02:41) [GCC 4.7.2] on linux2 Type "help", "copyright", "credits" or "license" for more information. >>> class vslice (slice): ... pass ... Traceback (most recent call last): File "", line 1, in Typ

Re: Cross-compiling Python for ARM?

On 4/15/2013 11:20 AM, Gilles wrote: Hello I tried running uWSGI on an ARM-based appliance, but it fails. Apparently, it could be due to the official Python 2.6.6 interpreter in the depot not being compiled the way uWSGI expects it to be: ./configure --enable-shared; make; make install; www.ra

Re: The type/object distinction and possible synthesis of OOP and imperative programming languages

rom C to Python is 'getting' the data model difference. For Lispers, the difference is the syntax. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: API design for Python 2 / 3 compatibility

On 4/13/2013 12:36 PM, Stefan Schwarzer wrote: Hello, I'm currently changing the FTP client library ftputil [1] so that the same code of the library works with Python 2 (2.6 and up) and Python 3. (At the moment the code is for Python 2 only.) I've run into a API design issue where I don't know w

Re: SimpleHTTPRequestHandler used with HTTP/1.1 hangs after the second resource on a page.

On 4/12/2013 4:46 PM, Piotr Dobrogost wrote: Hi! I'd like to bring your attention to the question titled "Use HTTP/1.1 with SimpleHTTPRequestHandler" at http://stackoverflow.com/q/15839718/95735 which reads; "When I use I find the doc slightly confusing. The SO code uses BaseHTTPServer. The d

Re: name lookup failure using metaclasses with unittests

On 4/12/2013 3:17 AM, Ulrich Eckhardt wrote: Am 11.04.2013 10:19, schrieb Steven D'Aprano: if sys.version >= '3': Use sys.version_info >= (3,), otherwise your code breaks when upgrading to Python 10 and greater. ;^) The second question that came up was if there is a way to keep a metaclass

Re: shutil.copyfile is incomplete (truncated)

On 4/12/2013 3:32 AM, Chris Angelico wrote: On Fri, Apr 12, 2013 at 4:25 PM, Rob Schneider wrote: The close method is defined and flushing and closing a file, so it should not return until that's done. What command are you using to create the temp file? re command to write the file: f

Re: newbie question about confusing exception handling in urllib

uot;Connection reset by peer") >= 0) or (errorString.find("error timed out") >= 0)): -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: Python module vs library

On 4/9/2013 5:58 AM, k.lykour...@gmail.com wrote: Hi, what is the difference between python module and library ? They are in different categories. A Python module is a namespace (a mapping of names to objects) created by running Python code as a main module or by import statements within Pyth

Re: Interactive development in Python à la Smalltalk?

ractive enough for my purposes. Idle also has a debugger window that does some of that, though it works better on non-Windows OSes. I have never actually used it. --- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: The usage of -m option of python

On 4/8/2013 10:50 AM, Albert van der Horst wrote: In article , Terry Reedy wrote: On 3/18/2013 5:17 PM, Peng Yu wrote: Hi, I don't quite understand how -m option is used. And it is difficult to search for -m in google. Could anybody provide me with an example on how to use this option? pyt

Re: How do I tell if I'm running under IDLE?

#x27;) 'idlelib' in sys.stdin.__class__.__module__' is possibly more future-proof. Ideally, I'd like to detect any arbitrary environment such as Spyder, IPython, BPython, etc., but will settle for just IDLE. I expect that looking as sys.stdin in someway should work for all. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: problem in running a basic code in python 3.3.0 that includes HTML file

ossible events that can be notified by our system tsunami earthquake volcano hurricane sinkholes tornado landslide downburst ''') -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: Data storage Py 3.3

On 4/3/2013 6:53 PM, Irmen de Jong wrote: On 4-4-2013 0:33, Joe Hill wrote: IDLE wants to use Python33 as the data storage folder - with exe files etc. Typically the 'default data storage' is in 'last used' directory or most programs even have a browse setting that one can quickly set and reset.

Windows printing problem (was re; IDLE printing problem_

On 4/3/2013 6:26 PM, Joe Hill wrote: In light of the fact that this is a new problem and has only occurred in Python - I shall just regard that as either a feature or flaw... Based on what you have said, the problem IS NOT OCCURRING IN PYTHON. It is occurring in the Microsoft HTML help viewer.

Re: IDLE printing problem

On 4/3/2013 5:16 PM, Joe Hill wrote: On Wed, 03 Apr 2013 16:20:20 -0400, Terry Jan Reedy wrote: On 4/3/2013 2:50 PM, Joe Hill wrote: On Wed, 03 Apr 2013 14:40:38 -0400, Terry Jan Reedy wrote: On 4/3/2013 12:24 PM, Joe Hill wrote: I attempted to print about 10 pages of documentation

Re: Time zone changing while Win app is running

issue, passing a tz arg to now() will give the answer for any timezone on earth. A user-friendly app displaying times should let users choose. -- Terry Jan Reedy -- http://mail.python.org/mailman/listinfo/python-list

Re: IDLE printing problem

On 4/3/2013 2:50 PM, Joe Hill wrote: On Wed, 03 Apr 2013 14:40:38 -0400, Terry Jan Reedy wrote: On 4/3/2013 12:24 PM, Joe Hill wrote: I attempted to print about 10 pages of documentation from the help files using IDLE. On all the pages the side of each page was missing about 1/4 inch of

Re: IDLE printing problem

On 4/3/2013 12:24 PM, Joe Hill wrote: On 4/3/2013 12:24 PM, Joe Hill wrote: > I attempted to print about 10 pages of documentation from the help files > using IDLE. On all the pages the side of each page was missing about 1/4 > inch of text. You neglected to say what you actually did to have a p

Re: Python install Win 7 Problem

On 4/3/2013 1:51 PM, Martin Schöön wrote: On 2013-04-02, balasubramanian Achuthan wrote: Try using Activestate python. The free version would suffice your needs and it comes with a clean install. I have been travelling and have not had time to read this thread in detail so this may be old hat

Re: Performance of int/long in Python 3

On 4/3/2013 1:32 AM, Steven D'Aprano wrote: On Wed, 03 Apr 2013 14:31:03 +1100, Neil Hodgson wrote: Sorting a million string list (all the file paths on a particular computer) went from 0.4 seconds with Python 3.2 to 0.78 with 3.3 so we're out of the 'not noticeable by humans' range. Perha

Re: Fwd: Python subdomains https

On 4/2/2013 12:52 PM, Terry Jan Reedy wrote: On 4/2/2013 7:05 AM, Jakub Muszynski wrote: Hi, I need to add python.org <http://python.org> https to my company firewall policy, but I'm not allowed to add rule for https://*.python.org <http://python.org> subdomains. Can You giv

  1   2   >