On Thu, Nov 16, 2017 at 05:35:59PM -0500, ROGER GRAYDON CHRISTMAN wrote:
> Well, pi already does have a value:
>
import math
math.pi
>
> 3.141592653589793
>
> but it's not a constant in the sense you are looking for:
And, it's not really a constant at all, it's only got a
constant de
On 16/11/2017 06:16, Saeed Baig wrote:
Hey guys I am thinking of perhaps writing a PEP to introduce constants to
Python. Something along the lines of Swift’s “let” syntax (e.g. “let pi =
3.14”).
Since I’m sort of new to this, I just wanted to ask:
- Has a PEP for this already been written? If
On 17 November 2017 at 12:36, Stefan Ram wrote:
> A web page says:
>
> “The argument to pydoc can be the name of a function,
> module, or package, or a dotted reference to a class,
> method, or function within a module or module in a package.”
[...]
> , but not for »pi«:
>
> from math import p
I'm against this because Python's strength is its simplicity. This doesn't
actually simplify anything, but it does add a new language feature to
understand.
All the benefits of this can be achieved with linting.
On Thu, Nov 16, 2017 at 1:16 AM, Saeed Baig wrote:
> Hey guys I am thinking of perh
Paul Moore :
> numbers don't have docstrings.
There's no reason they couldn't:
>>> help(2)
Help on built-in number 2 in module builtins:
2
2 -> int
The natural number immediately succeeding 1 (qv). The number of
hemispheres in a healthy mammal's brain.
It might also
Marcin Tustin :
> I'm against this because Python's strength is its simplicity. This
> doesn't actually simplify anything, but it does add a new language
> feature to understand.
And there will be eternal debates on the correct use of the feature.
One of the ugliest features of C is the "const"
On Fri, 17 Nov 2017 00:04:16 + in comp.lang.python, MRAB said:
> On 2017-11-16 18:47, jakub.raj...@gmail.com wrote:
> > Hello, im working on school project, its deck game Sorry!
> > I need to create specific lists:
> > My idea is about to using for
> > For i in range (n):
> > i=[]
> >
On Sat, Nov 18, 2017 at 2:29 AM, eth0 wrote:
> On Fri, 17 Nov 2017 00:04:16 + in comp.lang.python, MRAB said:
>> On 2017-11-16 18:47, jakub.raj...@gmail.com wrote:
>> > Hello, im working on school project, its deck game Sorry!
>> > I need to create specific lists:
>> > My idea is about to usi
On 17 November 2017 at 15:52, Marko Rauhamaa wrote:
> Paul Moore :
>> numbers don't have docstrings.
>
> There's no reason they couldn't:
In the sense that the Python object model could be amended to attach
docstrings to instances of classes like "int", and syntax could be
added to the language t
On 2017-11-17, eth0 wrote:
> On Fri, 17 Nov 2017 00:04:16 + in comp.lang.python, MRAB said:
>> On 2017-11-16 18:47, jakub.raj...@gmail.com wrote:
>> > Hello, im working on school project, its deck game Sorry!
>> > I need to create specific lists:
>> > My idea is about to using for
>> > For i
On Thu, Nov 16, 2017 at 2:46 PM, Cameron Simpson wrote:
> On 16Nov2017 09:42, bvdp wrote:
>
>> In my original case, I think (!!!), the problem was that I had a variable
>> in mod1.py and when I did the "from mod1 import myvarible" all was fine.
>> Python create a new local-to-the-module variable
On 17/11/2017 15:14, Marcin Tustin wrote:
I'm against this because Python's strength is its simplicity.
If it was simple once, then it isn't any more.
Perhaps you mean consistency, in having only one class of identifier
which can always be assigned to.
All the benefits of this can be achie
On Thursday, November 16, 2017 at 12:48:05 PM UTC-6, Jakub Raj ok wrote:
> Artificial creating of [Lists], is it possible? the best way...
There is nothing "artificial" about creating any object.
Much less python lists. And i believe the usage of such
word in the title of this thread was unfortun
It *could* be made to work:
import math
class PI(float):
__doc__ = "The circle constant (Note: tau is better :-)"
math.pi = PI(math.pi)
print(math.pi)
help(math.pi)
--
Greg
--
https://mail.python.org/mailman/listinfo/python-list
On Sat, Nov 18, 2017 at 8:27 AM, Gregory Ewing
wrote:
> It *could* be made to work:
>
> import math
>
> class PI(float):
>
> __doc__ = "The circle constant (Note: tau is better :-)"
>
> math.pi = PI(math.pi)
>
> print(math.pi)
> help(math.pi)
How is THAT an improvemen
Yes the same consideration applies to any new feature. I think that
Python's reticence to add new features has been a strength. And I do think
the benefit here is absolutely negligible.
It's not that I don't like constants - but there's a bunch of things that
go great together, like constants, fun
On 17Nov2017 11:09, Dennis Lee Bieber wrote:
On 17 Nov 2017 12:36:37 GMT, r...@zedat.fu-berlin.de (Stefan Ram) declaimed
“The argument to pydoc can be the name of a function,
module, or package, or a dotted reference to a class,
method, or function within a module or module in a package.”
, b
On Sat, Nov 18, 2017 at 9:38 AM, Cameron Simpson wrote:
> I don't think he's arguing that help magicly recognises 3.1415926536 as "pi"
> and produces a docstring for it and all "sufficiently close" values. I'm
> not. But the math module has bound "pi" to a specific float. Why _can't_ we
> annotat
On Sat, Nov 18, 2017 at 09:50:29AM +1100, Chris Angelico wrote:
> Perhaps what we want is not so much "attach docstrings to floats" but
> "get documentation for a module attribute, not for the object referred
> to".
The reason this can't really work is that members are just variables
with arbitrar
Hello Pythonistas,
I'm starting to play with ctypes, as I'd like to provide Python
interfaces to a C/C++ library I have. For now I'm just messing with a
very simple piece of code to get things sorted out. I'm working with
this example C++ library, which just wraps a call to stat():
-=-=-=-=-=-=
On Sat, Nov 18, 2017 at 10:34 AM, Python wrote:
> On Sat, Nov 18, 2017 at 09:50:29AM +1100, Chris Angelico wrote:
>> Perhaps what we want is not so much "attach docstrings to floats" but
>> "get documentation for a module attribute, not for the object referred
>> to".
>
> The reason this can't rea
On Sat, Nov 18, 2017 at 9:11 AM, Python wrote:
> Hello Pythonistas,
>
> I'm starting to play with ctypes, as I'd like to provide Python
> interfaces to a C/C++ library I have. For now I'm just messing with a
> very simple piece of code to get things sorted out. I'm working with
> this example C+
On Sat, Nov 18, 2017 at 10:35 AM, Stefan Ram wrote:
> Dennis Lee Bieber writes:
>>should
>> help(3.1415926536) #or whatever precision is used in
>> module math
>>produce anything?
>
> That question made me try something else whose output
> surprises me:
>
> |Python 3.7.0 .
On Sat, Nov 18, 2017 at 10:47:55AM +1100, Chris Angelico wrote:
> On Sat, Nov 18, 2017 at 10:34 AM, Python wrote:
> > On Sat, Nov 18, 2017 at 09:50:29AM +1100, Chris Angelico wrote:
> >> Perhaps what we want is not so much "attach docstrings to floats" but
> >> "get documentation for a module attr
On Sat, Nov 18, 2017 at 2:12 PM, Python wrote:
> On Sat, Nov 18, 2017 at 10:47:55AM +1100, Chris Angelico wrote:
>> On Sat, Nov 18, 2017 at 10:34 AM, Python wrote:
>> > On Sat, Nov 18, 2017 at 09:50:29AM +1100, Chris Angelico wrote:
>> >> Perhaps what we want is not so much "attach docstrings to
On Sat, Nov 18, 2017 at 10:49:40AM +1100, Chris Angelico wrote:
> On Sat, Nov 18, 2017 at 9:11 AM, Python wrote:
> > Hello Pythonistas,
> >
> > I'm starting to play with ctypes, as I'd like to provide Python
> > interfaces to a C/C++ library I have. For now I'm just messing with a
> > very simple
On Sat, Nov 18, 2017 at 02:19:25PM +1100, Chris Angelico wrote:
> On Sat, Nov 18, 2017 at 2:12 PM, Python wrote:
> > On Sat, Nov 18, 2017 at 10:47:55AM +1100, Chris Angelico wrote:
> >> On Sat, Nov 18, 2017 at 10:34 AM, Python wrote:
> >> > On Sat, Nov 18, 2017 at 09:50:29AM +1100, Chris Angelico
On Sat, Nov 18, 2017 at 2:38 PM, Python wrote:
> On Sat, Nov 18, 2017 at 02:19:25PM +1100, Chris Angelico wrote:
>> On Sat, Nov 18, 2017 at 2:12 PM, Python wrote:
>> > On Sat, Nov 18, 2017 at 10:47:55AM +1100, Chris Angelico wrote:
>> >> On Sat, Nov 18, 2017 at 10:34 AM, Python wrote:
>> >> > On
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