On Fri, Dec 23, 2016 at 5:14 AM, Mr. Wrobel wrote:
> Hi,thanx for answers, let's imagine that we want to add one class attribute
> for newly created classess with using __init__ in metaclass, here's an
> example:
>
> #!/usr/bin/env python
>
> class MetaClass(type):
> # __init__ manipulation:
>
On Wed, Dec 28, 2016 at 2:14 PM, Larry Martell wrote:
>
> I have a list containing a list of strings that I want to sort
> numerically by one of the fields. I am doing this:
>
> sorted(rows, key=float(itemgetter(sortby)))
I'm guessing that you left out a lambda here since the key argument
takes a
On Wed, Dec 28, 2016 at 2:43 PM, Ian Kelly wrote:
> On Wed, Dec 28, 2016 at 2:14 PM, Larry Martell
> wrote:
>>
>> I have a list containing a list of strings that I want to sort
>> numerically by one of the fields. I am doing this:
>>
>> sorted(rows, ke
On Fri, Dec 30, 2016 at 11:50 AM, wrote:
> Hello everyone,
> I am the new comer and learner of python.
> I have a doubt that when I type python and press enter it shows a prompt like
> But why it is >>> ?
> Is there any special reason?
> Why it is not setted as @,& or any other special chara
On Dec 30, 2016 4:42 PM, wrote:
Yes, I am not confusing you all, rather I thought that this is the best
place to solve any doubts, soy only question for you is
Why python uses >>> instead of >, or any other special characters?
Do you know about this, if yes then please answer it.
I will be so mu
On Fri, Dec 30, 2016 at 6:05 PM, wrote:
> But in his website, he recommended that post your questions here, he will
> answer it.
> But still as you told me I will send him an personal e-mail.
This is a good place for asking questions about Python, but you should
know that Guido himself doesn't
On Fri, Dec 30, 2016 at 10:53 PM, Sagar Utlas wrote:
> I am new to python, I've been using C++ as as a student till last 3 years.
> To expand my knowledge, I installed Python 3.6.0 and when tried to open it,
> a pop up window appeared saying- "The program can't start because
> api-ms-win-crt-runti
On Dec 31, 2016 1:48 AM, "mm0fmf" wrote:
On 30/12/2016 17:50, einstein1...@gmail.com wrote:
> Hello everyone,
> I am the new comer and learner of python.
> I have a doubt that when I type python and press enter it shows a prompt
> like
>
>>
But why it is >>> ?
> Is there any special reason?
On Dec 31, 2016 3:12 AM, wrote:
That's true.
Please include quoted context in your replies. I have no idea who or what
you're responding to.
--
https://mail.python.org/mailman/listinfo/python-list
On Sun, Jan 1, 2017 at 8:25 PM, Terry Reedy wrote:
\> 3.6 added syntax for 'local flags'.
> '''
> (?imsx-imsx:...)
>
> (Zero or more letters from the set 'i', 'm', 's', 'x', optionally
> followed by '-' followed by one or more letters from the same set.) The
> letters set or removes the corres
On Sun, Jan 1, 2017 at 11:30 AM, Grant Edwards
wrote:
> On 2016-12-31, Ian Kelly wrote:
>> On Dec 31, 2016 3:12 AM, wrote:
>>
>> That's true.
>>
>> Please include quoted context in your replies. I have no idea who or what
>> you're respon
On Mon, Jan 2, 2017 at 12:15 AM, Ian Kelly wrote:
> Since they're unlikely to do that however,
Then again, I see that einstein1410 made a couple of rather aggressive
posts 11 hours ago that haven't made it to my email, so maybe he did
manage to get himself banned.
--
https://ma
On Jan 2, 2017 10:57 AM, "Wildman via Python-list"
wrote:
On Sun, 01 Jan 2017 23:02:34 -0800, einstein1410 wrote:
> I really don't care the person like you.
> Leave my posts, if don't like it.
> Why wasting your as well as my time.
> Just get lost man, or shut up.
[Obscene gesture trimmed]
Way
On Wed, Jan 11, 2017 at 8:51 AM, Peng Yu wrote:
> Hi, peekable from more-itertools only allow peeking an iterator. But
> sometimes, one may want to take a look at an element, manipulate it,
> then put it back to the iterator. Is there a class in python that can
> help do this?
Not that I'm aware
On Wed, Jan 11, 2017 at 10:07 AM, Ian Kelly wrote:
> On Wed, Jan 11, 2017 at 8:51 AM, Peng Yu wrote:
>> Hi, peekable from more-itertools only allow peeking an iterator. But
>> sometimes, one may want to take a look at an element, manipulate it,
>> then put it back to the
On Fri, Jan 13, 2017 at 3:46 AM, Steve D'Aprano
wrote:
>
> http://aosabook.org/en/500L/a-python-interpreter-written-in-python.html
Neat. But not really surprising IMO that it can fit into 500 lines,
since it doesn't handle compiling Python into bytecode (which is the
hard part) and doesn't includ
On Fri, Jan 13, 2017 at 11:07 AM, BartC wrote:
> Even when it turns out that the actual code on github is 1000 lines rather
> than 500! Maybe it grew a bit since the 500 lines was quoted.
I assume they're excluding blank lines, comments and docstrings. And I
don't know whether the 500 lines is a
On Jan 13, 2017 3:33 PM, wrote:
The issue I am having is that when i enter the sentinel value of QUIT, it
gets initialized as the name and printed out. How can I get around this?
I hope this makes sense.
Hard to say for certain without seeing your code, but the most likely cause
of this is th
On Tue, Jan 17, 2017 at 9:57 AM, Chris Angelico wrote:
> If I write a web server using asyncio (and the aiohttp package), I can
> spin up the server with:
>
> await loop.create_server(app.make_handler(), "0.0.0.0", 8080)
>
> This works fine for a high port, but if I want to bind to port 80, I
> ne
On Tue, Jan 24, 2017 at 2:31 PM, This Wiederkehr
wrote:
> Hellou
>
> having a class definition:
>
> class Test():
>
> @classmethod
> def __enter__(cls):
> pass
>
> @classmethod
> def __exit__(cls, exception_type, execption_value, callback):
> pass
>
> now using this as a contextmanager doe
On Jan 27, 2017 2:13 PM, "bob gailer" wrote:
On 1/26/2017 8:05 PM, Sandeep Nagar wrote:
> Hi
>
> As I mentioned, a scaled down version is available for free at
> bookmuft.Com which can be used to judge in this case.
>
Maybe I am blind, but I don't see any mention of bookmuft.Co.
I pulled up th
On Jan 30, 2017 2:00 AM, "Chris Angelico" wrote:
(Interestingly, Ellipsis is not
included in that.)
Perhaps because it's rather unusual for a program to depend upon the value
of Ellipsis.
--
https://mail.python.org/mailman/listinfo/python-list
On Jan 30, 2017 1:32 AM, "Irv Kalb" wrote:
I teach intro to programming using Python. In my first assignment,
students are asked to assign variables of different types and print out the
values.
One student (who really did not understand Booleans) turned in the
following for his/her interpretati
On Jan 30, 2017 6:07 PM, "Steve D'Aprano"
wrote:
> Hey Ian,
>
> Your news reader or mail client has stopped quoting the text you are
> quoting, so it appears as if you have written it.
>
> See:
>
> https://mail.python.org/pipermail/python-list/2017-January/719015.html
Well, nuts. It looks fine in
On Jan 30, 2017 11:32 PM, "Gregory Ewing"
wrote:
> That's the thing I find most frustrating about both C# and Java,
> the lack of anything like Python's "from ... import ...". You get
> a choice of either effectively doing "import *" on the contents
> of a whole class and polluting your namespace,
On Jan 30, 2017 8:00 PM, "Michael Torrie" wrote:
> In any case, partial classes seems like a misfeature of C# to me but
> apparently they are used when making Windows Forms GUI-based apps.
> Apparently VS autogenerates the class that backs the form, and then the
> developer creates a partial class
On Wed, Feb 1, 2017 at 8:11 AM, Ivo Bellin Salarin
wrote:
> This code generates instead the messages:
> ```
> ERROR 47.135[bigquery.py.create_table:362] caught exception: HttpError,
> defined in server/libs/googleapiclient/errors.pyc. we are in
> /Users/nilleb/dev/gae-sample-project/app
> ERROR 47
On Wed, Feb 1, 2017 at 2:51 PM, Νίκος Βέργος wrote:
> Τη Τετάρτη, 1 Φεβρουαρίου 2017 - 11:41:28 μ.μ. UTC+2, ο χρήστης Michael
> Torrie έγραψε:
>> On 02/01/2017 01:51 PM, Νίκος Βέργος wrote:
>> > as well as input() for both user & pass combo but iam not getting in
>> > chrome the basic pop-up HTT
On Wed, Feb 1, 2017 at 5:22 PM, Νίκος Βέργος wrote:
>
> # Give user the file requested
>
> print(''' content="5;url=http://superhost.gr/data/files/%s";>''' % realfile)
>
> authuser = os.environ.get( 'REMOTE_USER', 'Άγνωστος' )
> print( authuser )
>
On Thu, Mar 15, 2018 at 1:35 PM, Julien Salort wrote:
> Because I wanted to keep the synchronous function for scripts which used it,
> without unnecessarily duplicating the code, I built also a synchronous
> function from this new asynchronous one, like that:
>
> def acquire_to_files(self, *args
On Sun, Mar 25, 2018 at 5:46 AM, Steven D'Aprano
wrote:
> On Sun, 25 Mar 2018 06:11:53 -0500, D'Arcy Cain wrote:
>> It accesses the parent class. I want to access the parent object.
>
> Ah. Well, no wonder it doesn't work: you're confusing the OO inheritance
> concept of "parent" (a superclass) w
On Sun, Mar 25, 2018 at 9:01 AM, Jugurtha Hadjar
wrote:
>
> On 03/25/2018 03:25 PM, Terry Reedy wrote:
>>
>> On 3/25/2018 7:42 AM, Jugurtha Hadjar wrote:
>>
>>> class C2(object):
>>> def __init__(self, parent=None):
>>> self.parent = parent
>>
>>
>> Since parent is required, it shoul
On Sun, Mar 25, 2018 at 9:01 AM, Jugurtha Hadjar
wrote:
>
> On 03/25/2018 03:25 PM, Terry Reedy wrote:
>> None.foo will raise AttributeError.
>>
>
> Right.. As I said, I tried to assume as little as possible about OP's code
> and namespace. Didn't want to include C1 in __init__ signature because I
On Mon, Mar 26, 2018 at 1:24 PM, Dan Stromberg wrote:
> On Sun, Mar 25, 2018 at 11:10 PM, dieter wrote:
>> adrien oyono writes:
>>> I have recently read the documentation about how imports work on python,
>>> and I was wondering why, when you execute a python file, the current
>>> directory is n
On Tue, Mar 27, 2018 at 12:21 AM, Gregory Ewing
wrote:
> The idea that super() is *always* the right way to call
> inherited methods in a multiple inheritance environment
> seems to have been raised by some people to the level
> of religous dogma.
>
> I don't buy it. In order for it to work, the f
On Tue, Mar 27, 2018 at 8:47 AM, Ian Kelly wrote:
> On Tue, Mar 27, 2018 at 12:21 AM, Gregory Ewing
> wrote:
>> The trouble is, those conditions don't always hold.
>> Often when overriding a method, you want to do something
>> *instead* of what the base method doe
On Mon, Mar 26, 2018 at 4:16 PM, Sumana Harihareswara
wrote:
> The new Python Package Index at https://pypi.org is now in beta.
>
> This means the site is robust, but we anticipate needing more user
> testing and changes before it is "production-ready" and can fully
> replace https://pypi.python.
On Wed, Mar 28, 2018 at 9:02 AM, Tobiah wrote:
>
> When should I apply?
The ad said ASAP, so I guess that now it's already too late.
--
https://mail.python.org/mailman/listinfo/python-list
On Fri, Mar 30, 2018 at 7:10 PM, Rick Johnson
wrote:
> On Friday, March 30, 2018 at 7:44:40 PM UTC-5, Steven D'Aprano wrote:
> [...]
>> Reddit's /ruby subreddit: 40,571 subscribers.
>>
>> Reddit's /python subreddit: 230,858 subscribers.
>
> Those numbers mean nothing unless you can prove all two-
On Fri, Mar 30, 2018 at 8:43 PM, Ian Kelly wrote:
> You really think that 90% of the active users are trolls? And yet the
> subreddit remains usable despite that allegedly terrible
> signal-to-noise ratio.
I'm now laughing at the image of a large community of trolls sitting
around
On Sat, Mar 31, 2018 at 6:29 AM, Rick Johnson
wrote:
> On Friday, March 30, 2018 at 8:59:16 PM UTC-5, Chris Angelico wrote:
>> Wanna provide some competing information showing that other
>> languages are more used?
>
> Chris, here is how debate works:
>
> PersonA asserts X.
>
> PersonB dem
On Sat, Mar 31, 2018 at 7:44 PM, Demian Brecht wrote:
> I might be entirely off my face, but figured I'd ask anyways given I
> haven't figured out a clean solution to this problem myself yet:
>
> I'm trying to write a REST API client that supports both async and
> synchronous HTTP transports (init
On Mon, Apr 2, 2018 at 5:32 AM, wrote:
> I am new to the asyncio subject, just trying to figure out how to use it.
> Below is the script I use for testing:
> -
> # asyncio_cancel_task2.py
>
> import asyncio
>
> @asyncio.coroutine
> def task_func():
> print('in
On Mon, Apr 2, 2018 at 9:01 PM, wrote:
> I also do a quick check, with call_later delay keeps at 1.5, to see what the
> event loop status is after run_until_complete returns. Strangely, both
> is_closed and is_running return a False.
>
> try:
> event_loop.run_until_complete(main(eve
On Tue, Apr 3, 2018 at 3:24 AM, Kirill Balunov wrote:
> Perhaps this is a silly question but still...There is PEP 394 "The "python"
> Command on Unix-Like Systems" which I find very reasonable, no matter how
> it is respected. Why was not _somewhat_ the same done for Windows?
PEP 394 is meant to
On Tue, Apr 3, 2018 at 9:00 AM, Kirill Balunov wrote:
> In fact, I do not really understand why the _py launcher_ way is easier or
> better than `python3` or `python3.6` way even on Windows. There are already
> `pip.exe`, `pip3.exe`, `pip3.6.exe` which solve the same problem, but they
> are all r
On Tue, Apr 3, 2018 at 9:20 PM, wrote:
> What's the purpose of resetting self._stopping back to False in finally
> clause?
Presumably so that the loop won't immediately stop again if you restart it.
--
https://mail.python.org/mailman/listinfo/python-list
On Thu, Apr 5, 2018 at 3:04 PM, ElChino wrote:
> I'm trying to simplify a try-except construct. E.g. how come
> this:
> try:
> _x, pathname, _y = imp.find_module (mod, mod_path)
> return ("%s" % pathname)
> except ImportError:
> pass
> except RuntimeError:
> pass
> return
On Wed, Apr 18, 2018 at 1:57 PM, Rob Gaddi
wrote:
> On 04/18/2018 12:37 PM, TUA wrote:
>>
>> import re
>>
>> compval = 'A123456_8'
>> regex = '[a-zA-Z]\w{0,7}'
>>
>> if re.match(regex, compval):
>> print('Yes')
>> else:
>> print('No')
>>
>>
>> My intention is to implement a max. length of
On Fri, May 4, 2018 at 7:01 AM, Steven D'Aprano
wrote:
> Here are the specifications:
>
> * you must use lambda, not def;
Why? This seems like an arbitrary constraint.
> * the lambda must take a single function, the sequence you want to
> extract an item from;
>
> * you can hard-code the index
On Fri, May 4, 2018 at 11:04 AM, Steven D'Aprano
wrote:
> On Fri, 04 May 2018 09:17:14 -0600, Ian Kelly wrote:
>
>> On Fri, May 4, 2018 at 7:01 AM, Steven D'Aprano
>> wrote:
>>> Here are the specifications:
>>>
>>> * you must use l
On Fri, May 4, 2018 at 5:34 PM, Thomas Jollans wrote:
> On 04/05/18 22:38, Ian Kelly wrote:
>> The real thing is written in C.
>>
>
> Is it though?
>
> https://github.com/python/cpython/blob/a1fc949b5ab8911a803eee691e6eea55cec43eeb/Lib/operator.py#L265
It is. First, n
On Tue, May 8, 2018 at 9:48 PM, Python wrote:
> On Tue, May 08, 2018 at 12:45:29AM +, Steven D'Aprano wrote:
>> since = in a statement on its own is not dangerous. People *almost never*
>> intend to write == for the side-effects only:
>
> Seriously? I do this--not every day, but more than occ
On Thu, May 10, 2018 at 5:49 AM, D'Arcy Cain wrote:
> On 2018-05-10 07:28 AM, Skip Montanaro wrote:
>> https://www.python.org/dev/peps/pep-3127/#removal-of-old-octal-syntax
>
> Funny stuff:
>
> Python could either:
>
> 1. silently do the wrong thing...
> 2. immediately disabuse him...
>
On Thu, May 10, 2018 at 10:36 AM, bartc wrote:
> What, 0O100 instead of 0100? Yeah that's a big improvement...
>
> Fortunately octal doesn't get used much.
The PEP discusses this:
"""
Proposed syntaxes included things like arbitrary radix prefixes, such
as 16r100 (256 in hexadecimal), and radix
On Tue, May 8, 2018 at 11:50 PM, Chris Angelico wrote:
> On Wed, May 9, 2018 at 3:36 PM, Ian Kelly wrote:
>>
>> while True:
>> if we_are_done():
>> break
>> # do some stuff
>> ...
>> if error_occurred():
>> bre
On Thu, May 10, 2018 at 7:10 PM, Chris Angelico wrote:
> On Fri, May 11, 2018 at 10:29 AM, Marko Rauhamaa wrote:
>> Chris Angelico :
>>
>>> But for the loop itself, you absolutely CAN write this more logically.
>>> I'll take your second version as a template:
>>>
>>> def split_cmd(self, cmd):
On Thu, May 10, 2018 at 9:21 PM, Steven D'Aprano
wrote:
> On Thu, 10 May 2018 11:03:54 -0600, Ian Kelly wrote about proposed
> prefixes for octal:
>
>> Personally I would have preferred the "t".
>
> "t" for octal, hey?
>
> That would be annoyi
On Thu, May 10, 2018 at 6:34 PM, Mikhail V wrote:
> On Wed, May 9, 2018 at 6:25 AM, Steven D'Aprano
> wrote:
>> On Tue, 08 May 2018 23:16:23 +0300, Mikhail V wrote:
>>
>
>>> but I propose Tab-separated elements.
>>
>> We already have tab-separated elements in Python. It is allowed to use
>> tabs
On Mon, May 7, 2018 at 9:45 PM, Mikhail V wrote:
> Here is an idea for 'data object' a syntax.
> For me it is interesting, how would users find such syntax.
> I personally find that this should be attractive from users
> perspective.
> Main aim is more readable presenting of typical data chunks
>
On Thu, May 10, 2018 at 11:17 PM, Steven D'Aprano
wrote:
> To answer your question from a later post:
>
> In what way does "while True" in the general case pretend
> to be an infinite loop?
>
> It doesn't *pretend* to be an infinite loop. It *is* an infinite loop
> which breaks out early.
On Thu, May 10, 2018 at 11:45 PM, Steven D'Aprano
wrote:
> To be honest, I'm having trouble thinking of a good use-case for "while
> True", now that we have infinite iterators. Most cases of
>
> while True:
> x = get_item()
> if not x: break
> process(x)
>
> are better
On Fri, May 11, 2018 at 12:03 AM, Steven D'Aprano
wrote:
> On Thu, 10 May 2018 20:38:39 -0600, Ian Kelly wrote:
>
>> Would you also contend that generator functions are wrong because they
>> pretend to be normal functions?
>
> You're going to need to be more
On Fri, May 11, 2018 at 1:06 AM, Chris Angelico wrote:
> On Fri, May 11, 2018 at 4:54 PM, Ian Kelly wrote:
>> On Thu, May 10, 2018 at 11:45 PM, Steven D'Aprano
>> wrote:
>>> To be honest, I'm having trouble thinking of a good use-case for "while
>>
On Fri, May 11, 2018 at 1:01 AM, Chris Angelico wrote:
> On Fri, May 11, 2018 at 12:38 PM, Ian Kelly wrote:
>> Would you also contend that generator functions are wrong because they
>> pretend to be normal functions?
>>
>> def totally_not_a_generator(n):
>>
On Fri, May 11, 2018 at 7:40 AM, Chris Angelico wrote:
> So, yes, your function's name is outright lying. But there's nothing
> about it that is *pretending* to be a normal function. It IS a normal
> function.
The detail of whether it's a generator function affects the function's
execution and ma
On Fri, May 11, 2018 at 12:19 AM, Steven D'Aprano
wrote:
> On Thu, 10 May 2018 23:23:33 -0600, Ian Kelly wrote:
>
>> On Thu, May 10, 2018 at 9:21 PM, Steven D'Aprano
>> wrote:
>>> On Thu, 10 May 2018 11:03:54 -0600, Ian Kelly wrote about proposed
>>
On Fri, May 11, 2018 at 10:35 AM, Ian Kelly wrote:
> On Fri, May 11, 2018 at 12:19 AM, Steven D'Aprano
> wrote:
>> On Thu, 10 May 2018 23:23:33 -0600, Ian Kelly wrote:
>>
>>> On Thu, May 10, 2018 at 9:21 PM, Steven D'Aprano
>>> wrote:
>>&g
On Fri, May 11, 2018 at 5:26 PM, Mikhail V wrote:
> On Fri, May 11, 2018 at 9:12 AM, Ian Kelly wrote:
>> On Thu, May 10, 2018 at 6:34 PM, Mikhail V wrote:
>>> Do you understand that basically any python code sent by e-mail converts
>>> tabs to
>>> spaces,
On Mon, May 14, 2018 at 9:20 AM, Python wrote:
> On Sun, May 13, 2018 at 02:42:48PM +1000, Chris Angelico wrote:
>> On Sun, May 13, 2018 at 2:31 PM, Python wrote:
>> >> Yes, and I'd go further: I *am* too stupid to get this right.
>> >
>> > No, you are not. Do you ever say "dog" when you mean "d
On Mon, May 14, 2018 at 9:38 AM, Python wrote:
> Absolutely correct. If you're not doing THOROUGH code reviews, and
> not thoroughly testing your code, your job is only half done. You
> should be your own first reviewer, and then have a second someone
> competent review it after you do.
One sho
On Tue, May 15, 2018 at 1:10 PM, Tobiah wrote:
> Why is it len(object) instead of object.len?
>
> Why is it getattr(object, item) rather then object.getattr(item)?
http://effbot.org/pyfaq/why-does-python-use-methods-for-some-functionality-e-g-list-index-but-functions-for-other-e-g-len-list.htm
--
On Tue, May 15, 2018, 6:36 PM bartc wrote:
> On 16/05/2018 01:04, Steven D'Aprano wrote:
>
> > I'm not a C coder, but I think that specific example would be immune to
> > the bug we are discussing, since (I think) you can't chain assignments in
> > C. Am I right?
>
> Assignments can be chained in
On Wed, May 16, 2018 at 10:06 AM, bartc wrote:
> On 16/05/2018 16:09, Ian Kelly wrote:
>>
>> On Tue, May 15, 2018, 6:36 PM bartc wrote:
>>
>>> On 16/05/2018 01:04, Steven D'Aprano wrote:
>>>
>>>> I'm not a C coder, but I think
On Tue, May 15, 2018, 6:00 PM Steven D'Aprano <
steve+comp.lang.pyt...@pearwood.info> wrote:
> On Tue, 15 May 2018 12:10:07 -0700, Tobiah wrote:
>
> > Why is it len(object) instead of object.len?
>
> Because we're not serfs in the Kingdom of Nouns:
>
> https://steve-yegge.blogspot.com/2006/03/exec
On Thu, May 17, 2018 at 9:06 AM, Chris Angelico wrote:
> On Fri, May 18, 2018 at 12:30 AM, bartc wrote:
>> Anyway, try this:
>>
>> def showarg(x): print(x)
>>
>> def dummy(*args,**kwargs): pass
>>
>> dummy(a=showarg(1),*[showarg(2),showarg(3)])
>>
>> This displays 2,3,1 showing that e
On Thu, May 17, 2018 at 3:27 PM, Karsten Hilbert
wrote:
>> On 5/17/18 11:57 AM, Abdur-Rahmaan Janhangeer wrote:
>> > x = [0,1]
>> > x.remove(0)
>> > new_list = x
>> >
>> > instead i want in one go
>> >
>> > x = [0,1]
>> > new_list = x.remove(0) # here a way for it to return the modified list by
>>
On Thu, May 17, 2018, 7:50 PM Steven D'Aprano <
steve+comp.lang.pyt...@pearwood.info> wrote:
>
> If you want to *really* see code that is hard to port, you should try
> porting an Inform 7 program to another language. Any other language.
>
How about Z-code?
*ducks*
>
--
https://mail.python.org
On Sun, May 20, 2018 at 4:28 PM, Mikhail V wrote:
> "Markdown" is too vague - there dozens of markdown styles and
> also they include subsets of HTML. It is just plain text with tags
The whole point of Markdown is that it's readable as plain text
precisely because it *doesn't* use obvious tags li
On Tue, May 22, 2018 at 8:25 AM, Chris Angelico wrote:
> On Tue, May 22, 2018 at 8:25 PM, bartc wrote:
>> Note that Python tuples don't always need a start symbol:
>>
>>a = 10,20,30
>>
>> assigns a tuple to a.
>
> The tuple has nothing to do with the parentheses, except for the
> special case
On Tue, May 22, 2018 at 9:22 AM, Ian Kelly wrote:
> On Tue, May 22, 2018 at 8:25 AM, Chris Angelico wrote:
>> On Tue, May 22, 2018 at 8:25 PM, bartc wrote:
>>> Note that Python tuples don't always need a start symbol:
>>>
>>>a = 10,20,30
>>
On Tue, May 22, 2018 at 9:34 AM, Chris Angelico wrote:
> On Wed, May 23, 2018 at 1:22 AM, Ian Kelly wrote:
>> On Tue, May 22, 2018 at 8:25 AM, Chris Angelico wrote:
>>> On Tue, May 22, 2018 at 8:25 PM, bartc wrote:
>>>> Note that Python tuples don't always
On Tue, May 22, 2018 at 11:32 PM, Christian Gollwitzer wrote:
> Am 23.05.18 um 07:22 schrieb Chris Angelico:
>>
>> On Wed, May 23, 2018 at 9:51 AM, bartc wrote:
>>>
>>> Sorry, but I don't think you're right at all. unless the official
>>> references
>>> for the language specifically say that comm
On Wed, May 23, 2018 at 12:01 AM, Ian Kelly wrote:
> On Tue, May 22, 2018 at 11:32 PM, Christian Gollwitzer
> wrote:
>> Am 23.05.18 um 07:22 schrieb Chris Angelico:
>>>
>>> On Wed, May 23, 2018 at 9:51 AM, bartc wrote:
>>>>
>>>> Sorry, but
On Wed, May 23, 2018 at 12:49 AM, Steven D'Aprano
wrote:
> On Tue, 22 May 2018 09:43:55 -0600, Ian Kelly wrote:
>
>> In other words, the rule is not really as simple as "commas make
>> tuples". I stand by what I wrote.
>
> Being pedantic is great, but if
On Wed, May 23, 2018 at 10:25 AM, Peter J. Holzer wrote:
> How about this?
>
> x =
> Here is a multi-line string
> with
> indentation.
>
>
> This would be equivalent to
>
> x = 'Here is a multi-line string\nwith\n indentation.'
>
> Rules
On Fri, May 25, 2018 at 11:00 PM, Chris Angelico wrote:
> On Sat, May 26, 2018 at 2:46 PM, Steven D'Aprano
> wrote:
>> Am I silly for wanting to make a single enum?
>>
>> I have a three-state flag, True, False or Maybe. Is is confusing or bad
>> practice to make a single enum for the Maybe case?
On Tue, May 29, 2018 at 3:19 AM, Peter J. Holzer wrote:
> On 2018-05-23 11:08:48 -0600, Ian Kelly wrote:
>>
>> How about we instead just use the rules from PEP 257 so that there
>> aren't two different sets of multi-line string indentation rules to
>&g
On Sat, May 26, 2018 at 9:17 AM, Paul St George wrote:
> Thank you.
> You are very right. The show() method is intended for debugging purposes and
> is useful for that, but what method should I be using and is PIL the best
> imaging library for my purposes? I do not want to manipulate images, I on
On Tue, May 29, 2018 at 7:07 PM, Ruifeng Guo wrote:
> Hello,
> We encountered a bug in Python recently, we checked the behavior for Python
> version 2.7.12, and 3.1.1, both version show the same behavior. Please see
> below the unexpected behavior in "red text".
>
> Thanks,
> Ruifeng Guo
>
> Fro
On Wed, Jun 13, 2018 at 10:10 AM Steven D'Aprano
wrote:
>
> On Wed, 13 Jun 2018 12:43:12 +, Alister via Python-list wrote:
>
> > I have a theory that it's impossible to prove anything, but I can't
> > prove it.
>
> Heh, that reminds me of Stephen Pinker's comment from "Enlightenment Now":
>
>
On Mon, Jun 18, 2018 at 9:17 AM Rick Johnson
wrote:
>
> Chris Angelico wrote:
> [...]
> > What was the quote before that?
> >
> > > "Type-hint comments" would allow:
> > > (3) and those who utterly *HATE* them, to write a simpl[e]
> > > little function which will strip them from any and all
>
FYI, Python type hints aren't "proposed"; they're already here. The
function annotation syntax was added in 3.0, without any imposition of
semantic meaning or requirements on it, and allowed to simmer for
several years for third-party frameworks to find uses for. Python 3.5
added the typing module
On Mon, Jun 18, 2018 at 11:39 AM Jim Lee wrote:
> On 06/18/2018 07:03 AM, Steven D'Aprano wrote:
> > As a human programmer, you surely perform your own ad hoc type checking
> > when you write and debug code.
> Of course. And, I use linting tools and other forms of static type
> checking. What I
On Mon, Jun 18, 2018 at 11:27 AM Rick Johnson
wrote:
>
> Ian wrote:
>
> > Uh, yes, they do. They're defined in PEP 484, and Mypy uses them for
> > type-checking Python 2 code, where the annotations don't exist.
>
> So when will the interleaved type-hints be removed from the language
> specificati
On Mon, Jun 18, 2018 at 10:19 AM Rick Johnson
wrote:
> And even from the POV of a programmer, comments can be more
> useful if they are ignored than if they are not. Some
> programmers lack the skill required to properly explain the
> workings of an algorithm in natural language, and thus, the
> r
On Tue, Jun 19, 2018 at 3:14 AM Steven D'Aprano
wrote:
>
> On Mon, 18 Jun 2018 10:01:58 -0700, Rick Johnson wrote:
>
> > Steven D'Aprano wrote:
> > [...]
> >> particular at DropBox, which is (I believe) funding a lot of Guido's
> >> time on this, because they need it.
> >
> > And now we get to the
On Mon, Jun 18, 2018 at 2:57 PM Rick Johnson
wrote:
>
> On Monday, June 18, 2018 at 2:48:58 PM UTC-5, Ian wrote:
> > I would also note that none of this applies to type hinting
> > in any case. Type hints don't require the programmer to be
> > able to explain anything in natural language, nor are
On Tue, Jun 19, 2018 at 1:42 PM Rick Johnson
wrote:
>
> On Tuesday, June 19, 2018 at 1:02:52 PM UTC-5, Ian wrote:
> > On Mon, Jun 18, 2018 at 2:57 PM Rick Johnson
> > It's a "burden" (actually, a helpful tool) to the
> > programmer either way: whether it's in a comment or an
> > annotation, it's t
On Thu, Jun 28, 2018 at 4:38 AM Ben Finney wrote:
>
> Ethan Furman writes:
>
> > Consider the following Enum definition:
> >
> > class Color(Enum):
> > RED = 1
> > GREEN = 2
> > BLUE = 3
> > @property
> > def lower(self):
> > return self.name.lower()
> >
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