Adding to this, there should be no reason now in recent versions of
Python to ever use line continuation. Black goes so far as to state
"backslashes are bad and should never be used":
https://black.readthedocs.io/en/stable/the_black_code_style/future_style.html#using-backslashes-for-with-statement
On Mon, 2023-02-06 at 12:11 +, Weatherby,Gerard wrote:
> On the one hand, it is a well-known type, so it should be
> recognizable to users of an API. On the other hand, Number is
> entirely abstract, so it doesn’t provide useful type checking for the
> implementation; I had to add # noinspecti
On Thu, 2023-01-19 at 09:47 +1300, dn via Python-list wrote:
> The longer an identifier, the more it 'pushes' code over to the right
> or
> to expand over multiple screen-lines. Some thoughts on this are
> behind
> PEP-008 philosophies, eg line-limit.
I sympathize with this issue. I've pushed t
I would suggest allowing each module to define its own imports, don't
import what a module doesn't consume, keep them simple, avoid devising
a common namespace for each, and let tools like isort/black work out
how to order/express them in source files.
On Wed, 2023-01-18 at 10:43 -0800, Dan Kolis
er durable immutable attribute, I
would be inclined to make that the dictionary key, and store the DHCP
object as the value.
On Fri, Dec 30 2022 at 04:27:56 PM -0600, Ian Pilcher
wrote:
On 12/30/22 15:47, Paul Bryan wrote:
What kind of elements are being added to the set? Can you show
repr
What kind of elements are being added to the set? Can you show
reproducible sample code?
On Fri, Dec 30 2022 at 03:41:19 PM -0600, Ian Pilcher
wrote:
I just discovered this behavior, which is problematic for my
particular
use. Is there a different set API (or operator) that can be used to
a
Seems like this is a use case for context managers and/or context
variables:
https://docs.python.org/3/library/contextlib.html
https://docs.python.org/3/library/contextvars.html
On Mon, 2022-11-14 at 17:14 +, Stephen Tucker wrote:
> Hi,
>
> I have two related issues I'd like comments on.
>
lity.
[1] https://github.com/kliment/Printrun/blob/master/README.md
On Fri, 2022-08-26 at 17:36 -0400, gene heskett wrote:
> On 8/26/22 16:54, Paul Bryan wrote:
> > Why can't you build linuxcnc with it? Why has Octoprint quit
> > talking to
> > 3d printers? Why won'
Why can't you build linuxcnc with it? Why has Octoprint quit talking to
3d printers? Why won't pronterface buy it? Why can't you find a 4.0.7
version of wxPython? Why is it sitting there staring at you? What is
bookworm? What is bullseye?
On Fri, 2022-08-26 at 16:37 -0400, gene heskett wrote:
> Gr
Sometimes, launching subprocesses can seem like punishment. I don't
think there is a standard cross-platform way to know when a launched
asynchronous process is "fully open" (i.e. fully initialized, accepting
user input).
On Sun, 2022-08-21 at 02:11 -0700, simone zambonardi wrote:
> Hi, I am runni
Have you tried turning it off and back on again?
On Sun, 2022-08-07 at 18:59 +0200, nhlanhlah198506 wrote:
> Greetings What can I do if my computer said my kernels has died Thank
> you Sent from my Galaxy
--
https://mail.python.org/mailman/listinfo/python-list
I wouldn't say any particular Linux distribution is appreciably better
for Python development than another. I would suggest using a version of
a Linux distribution that supports a recent Python release (e.g. 3.9 or
3.10).
On Thu, 2022-08-04 at 10:22 +0800, Turritopsis Dohrnii Teo En Ming
wrote:
>
Here's how my code does it:
import calendar
def add_months(value: date, n: int):
"""Return a date value with n months added (or subtracted if
negative)."""
year = value.year + (value.month - 1 + n) // 12
month = (value.month - 1 + n) % 12 + 1
day = min(value.day, calendar.monthrange(year
Try something like:
print(f"Year = {years}, Future value = {future_value}")
On Tue, 2022-05-24 at 21:14 +, Kevin M. Wilson via Python-list
wrote:
> future_value = 0
> for i in range(years):
> # for i in range(months):
> future_value += monthly_investment
> future_value = round(future_va
This may explain it:
https://stackoverflow.com/questions/27522626/hash-function-in-python-3-3-returns-different-results-between-sessions
On Mon, 2022-05-16 at 04:20 +0100, Rob Cliffe via Python-list wrote:
>
>
> On 16/05/2022 04:13, Dan Stromberg wrote:
> >
> > On Sun, May 15, 2022 at 8:01 PM R
On Fri, 2022-05-13 at 22:02 +, Avi Gross via Python-list wrote:
> So why you wonder where it is documented that variables cannot be
> what you feel like is a bit puzzling!
I had just assumed on good faith that the request to the documentation
would be so that the OP could determine what is v
On Sat, 2022-05-14 at 00:47 +0800, bryangan41 wrote:
> May I know (1) why can the name start with a number?
The name of an attribute must be an identifier. An identifier cannot
begin with a decimal number.
> (2) where in the doc is it?!
https://docs.python.org/3/reference/lexical_analysis.html#
I think because minutes and hours can easily be composed by multiplying
seconds. days is separate because you cannot compose days from seconds;
leap seconds are applied to days at various times, due to
irregularities in the Earth's rotation.
On Thu, 2022-04-14 at 15:38 +0200, Loris Bennett wrote:
gt;
>
>
> > On 21 Mar 2022, at 22:24, Paul Bryan wrote:
> >
> > Assuming `bpy` is a module, you're creating a new attribute in your
> > module, `context`, that contains a reference to the same object
> > that is referenced in the `context` attribute in th
Assuming `bpy` is a module, you're creating a new attribute in your
module, `context`, that contains a reference to the same object that is
referenced in the `context` attribute in the `bpy` module.
On Mon, 2022-03-21 at 22:12 +0100, Paul St George wrote:
>
> When I am writing code, I often do th
Subscribed. 🙂️
On Wed, 2022-01-12 at 00:35 +0400, Abdur-Rahmaan Janhangeer wrote:
> Added RSS:
>
> 2.0 unless later versions have some advantages:
>
> https://pyherald.com/rss.xml
>
> Kind Regards,
>
> Abdur-Rahmaan Janhangeer
> about | blog
> github
> Mauritius
>
--
https://mail.python.or
+1 to RSS.
On Sun, 2022-01-09 at 10:28 +0400, Abdur-Rahmaan Janhangeer wrote:
> Well yes XD though LWN covers Py topics well when it wants
>
>
> 1. Yes sure, did not expect RSS interest
> 2. Excuse my blunder, will do!
>
> On Sun, 9 Jan 2022, 01:15 Peter J. Holzer, wrote:
>
> > On 2021-12-26
Suggested reading:
https://pypi.org/project/python-for-android/
https://play.google.com/store/apps/details?id=org.qpython.qpy3
https://www.androidauthority.com/an-introduction-to-python-on-android-759685/
https://data-flair.training/blogs/android-app-using-python/
On Sat, 2021-12-18 at 18:36 -050
Yes, TypeError is built in. The only thing I can think of is that
something has deleted `TypeError` from `__builtins__`? It would be
interesting to see what's in `__builtins__` when `__del__` is called.
On Mon, 2021-12-13 at 12:22 +1100, Mike Dewhirst via Python-list wrote:
> Obviously something i
Cloudflare, for whatever reason, appears to be rejecting the `User-
Agent` header that urllib is providing:`Python-urllib/3.9`. Using a
different `User-Agent` seems to get around the issue:
import urllib.request
req = urllib.request.Request(
url="https://juno.sh/direct-connection-to-jupyter-s
On Sun, 2021-11-21 at 21:51 +0400, Abdur-Rahmaan Janhangeer wrote:
>
> On Tue, Nov 16, 2021 at 7:17 PM Paul Bryan wrote:
> > On Tue, 2021-11-16 at 17:04 +0400, Abdur-Rahmaan Janhangeer wrote:
> >
> > > A simple question: why do we need field(default_fac
On Tue, 2021-11-16 at 17:04 +0400, Abdur-Rahmaan Janhangeer wrote:
> A simple question: why do we need field(default_factory ) in
> dataclasses?
To initialize a default value when a new instance of the dataclass is
created. For example, if you want a field to default to a dict. A new
dict is crea
With so little information provided, not much light will be shed. When
it stops running, are there any errors? How is the dataset being
processed? How large is the dataset? How large a dataset can be
successfully processed? What libraries are being used? What version of
Python are you using? On wha
Why not:
>>> l = [1, 3, 5, 9, 2, 7]
>>> l.index(max(l))
3
>>> l.index(min(l))
0
On Tue, 2021-08-31 at 21:25 -0700, ABCCDE921 wrote:
> I dont want to import numpy
>
> argmax(list)
> returns index of (left most) max element
>
> argmin(list)
> returns index of (left most) min element
--
An interesting thread in PyPA (with links to other threads) discussing
src layout:
https://github.com/pypa/packaging.python.org/issues/320
On Tue, 2021-08-31 at 10:53 +0400, Abdur-Rahmaan Janhangeer wrote:
> Greetings list,
>
> Just an observation. Out of Github's trending repos for
> Python for
It would help to know the error message you get every time.
On Mon, 2021-07-26 at 22:19 +, Glenn Wilson via Python-list wrote:
> I recently downloaded the latest version of python, 3.9.6. Everything
> works except, the turtle module. I get an error message every time ,
> I use basic commands l
On my Arch Linux box, slightly different path, but still in .local/bin:
pbryan@dynamo:~$ python3
Python 3.9.6 (default, Jun 30 2021, 10:22:16)
[GCC 11.1.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> import sys
>>> sys.path
['', '/usr/lib/python39.zip', '/u
How about Mailman 3.x on Python 3.x?
On Tue, 2021-06-08 at 15:08 -0400, D'Arcy Cain wrote:
> Given that mailman still runs under 2.7 and that's being deprecated,
> does
> anyone have a suggestion for a replacement?
>
--
https://mail.python.org/mailman/listinfo/python-list
I do not believe my proposal has reached—or will reach—consensus. It
seems there are some who still value the linkage between the two, and
the S/N ratio is indeed low enough it doesn't warrant changing from the
status quo. Thanks everyone for the consideration and discussion.
Paul
On Thu, 2021-0
I will also add that it can get confusing when someone replies to a
newsgroup posting that was originally suppressed to the mailing list.
This has happened as recently as today.
On Thu, 2021-05-06 at 14:36 +, Grant Edwards wrote:
> On 2021-05-06, Chris Angelico wrote:
> > On Thu, May 6, 2021
What's involved in moderating c.l.p? Would there be volunteers willing
to do so?
On Thu, 2021-05-06 at 00:43 +, Jon Ribbens via Python-list wrote:
> On 2021-05-06, Chris Angelico wrote:
> > On Thu, May 6, 2021 at 10:32 AM Paul Bryan wrote:
> > >
> > > G
Given the ease of spoofing sender addresses, and its propensity for use
in anonymous spamming and trolling (thanks python-list-owner for
staying on top of that!), I propose to disconnect comp.lang.python from
the python-list mailing list. Both would then operate independently.
Paul
--
https://ma
I agree. I would be useful for it to be documented elsewhere,
especially in docstrings. I wonder if this is/was a conscious decision
to keep Python runtime smaller?
Paul
On Mon, 2021-04-26 at 18:24 -0700, elas tica wrote:
> Le mardi 27 avril 2021 à 01:44:04 UTC+2, Paul Bryan a écrit :
>
From
https://docs.python.org/3/reference/datamodel.html#the-standard-type-hierarchy
:
> The string representations of the numeric classes, computed
> by__repr__() and __str__(), have the following properties:
> * They are valid numeric literals which, when passed to their
>class constructor,
Calling them options—when they're required—seems like a problem. 🙂
On Mon, 2021-04-19 at 09:04 -0700, Dan Stromberg wrote:
> On Mon, Apr 19, 2021 at 2:55 AM Loris Bennett
>
> wrote:
>
> > However, the options -o, -u, and -g are required, not optional.
> >
> > The documentation
> >
> > https:
Yes.
On Wed, 2021-04-14 at 15:41 +0200, Rainyis wrote:
> Hello,
> I am Sergio Llorente, and I want to create a web about python. I
> will publish apps, scripts.. made by python. I will like to put
> python in
> the domain. The domain will be like all-about-python.com but in
> Spanish(
> todosobrep
Cloudflare operates as a reverse proxy in front of your service(s);
clients of your services access them through an endpoint that
Cloudflare stands up. DNS records point to Cloudflare, and TLS
certificates must be provisioned in Cloudflare to match. For all
intents and purposes, you would be outsou
There is absolutely nothing wrong with building your own reverse proxy
in front of your own service, as long as you control both. This
constitutes a tiered network/application architecture, and it's a
common practice. There's no man in the middle; there's no imposter; its
all "you".
If your proxy
Please describe your problem in detail.
Paul
On Fri, 2021-04-09 at 11:03 +0530, arishmallick...@gmail.com wrote:
> I am encountering problem in uninstalling python. Please help me
> in this.
>
>
>
> Sent from [1]Mail for Windows 10
>
>
>
> References
>
> Visible links
> 1. htt
On Sun, 2021-03-28 at 15:42 +, Travis Griggs wrote:
> I've been looking into using a code formatter as a code base size has
> grown as well as contributing developers. I've found and played with
> autopep, black, and yapf. As well as whatever pycharm has (which may
> just be gui preferences aro
The topic of titles is complex, and would be significant undertaking to
automate. It's not only highly language-dependent, it's also based on
the subject work itself, and subject to guidelines of those charged
with indexing such works.
MusicBrainz guidelines:
https://wiki.musicbrainz.org/Style/Tit
From https://docs.python.org/3.9/library/stdtypes.html#str.title:
> The algorithm uses a simple language-independent definition of a word
> as groups of consecutive letters. The definition works in many
> contexts but it means that apostrophes in contractions and
> possessives form word boundaries
In order for us to help, we'll need to know the details of your
problem.
On Thu, 2021-03-18 at 10:58 +, Sagar, Neha wrote:
> Hi,
>
> I am facing SSL certificate issue working with python. Can you help
> me on this.
>
> Thanks,
> Neha
>
> DXC Technology India Private Limited - Unit 13, Block
Google tells me this:
https://github.com/tommyod/Efficient-Apriori
On Sat, 2021-03-06 at 18:46 -0800, sarang shah wrote:
> I want to make apriori algorithm from start. Anybody have any
> reference file?
--
https://mail.python.org/mailman/listinfo/python-list
I don't see a Python program in that link.
Are you asking how to extract data from a CSV?
A good start will be to look into the csv.reader function and
csv.DictReader class.
Paul
On Thu, 2021-03-04 at 12:36 -0800, alberto wrote:
> Hi I'm tring to write a program with python to evaluate data of c
Can you describe what you tried, and how it failed? Pasting error
messages and such would be helpful.
On Thu, 2021-02-18 at 17:53 +, Mustafa Althabit via Python-list
wrote:
>
>
> Hi,I am trying to install Scipy but it failed, I have python
> 3.9. I need your assistance with that.
> Than
On Thu, 2021-02-11 at 17:56 +, Mr Flibble wrote:
> Actually it is a relatively small task due to the neos universal
> compiler's architectural design. If it was a large task I wouldn't
> be doing it.
When do you estimate this task will be completed?
> I am not particularly interested in any
Also -1 on changing the existing default behavior. +1 to an opt-in
late-bound solution.
On Thu, 2021-02-11 at 10:29 +1100, Chris Angelico wrote:
> On Thu, Feb 11, 2021 at 10:17 AM J. Pic wrote:
> >
> > > Most of us know of the perils of mutable default values.
> >
> > And those who don't pay th
That's not the only problem with the code. There's a missing close-
paren and a reference to "string" which I presume was meant to be
"myString".
Suggest OP create a reproducible case, and paste the code and output
verbatim.
On Sun, 2021-02-07 at 20:40 +0100, Karsten Hilbert wrote:
> Am Sun, Feb
My experience with IntelliJ (related to PyCharm): it scans all source
files in the project, compiles them, graphs all dependencies, compiles
those (if necessary) or inspects their class bytecode, and so on to
build a full graph in memory to support showing errors in real time
(highlighting in sourc
Maybe this will help:
>>> def get(key, default):
... print("entering get")
... print(f"{key=} {default=}")
... print("exiting get")
...
>>> def generate_default():
... print("entering generate_default")
... print("exiting generate_default")
... return 1
...
>>> get("a", generate_defa
On Wed, 2020-12-16 at 10:01 +0100, Loris Bennett wrote:
> OK, I get the point about when the default value is generated and
> that
> potentially being surprising, but in the example originally given,
> the
> key 'a' exists and has a value of '1', so the default value is not
> needed.
But the func
On Wed, 2020-12-16 at 08:59 +0100, Loris Bennett wrote:
> Isn't the second argument to D.get() the value to be return if the
> first
> argument is not a valid key? In that case, why does it make any
> difference here what the second argument of D.get() is since the key
> 'a'
> does exist?
>
> Th
Sorry, actually, if you do not answer yes, will always return None, not
the first answer as I suggested.
On Fri, 2020-12-11 at 18:55 -0700, Joe Pfeiffer wrote:
> Bischoop writes:
>
> > I've function asking question and comparing it, if is not matching
> > 'yes'
> > it does call itself to ask que
It won't return until the inner call to question (and it's not using
the return value on inner call). Eventually, (and not until you answer
yes) it will return the first answer.
On Fri, 2020-12-11 at 18:55 -0700, Joe Pfeiffer wrote:
> Bischoop writes:
>
> > I've function asking question and comp
Thanks for the comprehensive response, dn!
I guess I'm influenced by data classes here, where the object's
attribute type hints are represented by class variable annotations.
On Thu, 2020-12-10 at 07:49 +1300, dn via Python-list wrote:
> On 09/12/2020 13:17, Paul Bryan wrote:
>
Would this be a reasonably correct way to annotate a property with a
type hint?
>>> class Foo:
... bar: int
... @property
... def bar(self):
... return 1
...
>>> foo = Foo()
>>> import typing
>>> typing.get_type_hints(foo)
{'bar': }
I could also decorate the property method r
Thanks, will bring it to the dev list.
On Fri, 2020-12-04 at 07:07 -0800, Julio Di Egidio wrote:
> On Thursday, 3 December 2020 at 19:28:19 UTC+1, Paul Bryan wrote:
> > Is this the correct behavior?
> >
> > Python 3.9.0 (default, Oct 7 2020, 23:09:01)
> > [GCC 10.2.
Thanks, Greg. Would it make sense for list's __class_getitem__
(GenericAlias?) to perform similar checking as
typing._SpecialGenericAlias (nparams)?
On Fri, 2020-12-04 at 12:15 +1300, Greg Ewing wrote:
> On 3/12/20 7:37 pm, Paul Bryan wrote:
> > > > > list[int, int]
> &g
Is this the correct behavior?
Python 3.9.0 (default, Oct 7 2020, 23:09:01)
[GCC 10.2.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> help(list[int])
Traceback (most recent call last):
File "", line 1, in
File "/usr/lib/python3.9/_sitebuiltins.py", line
Using the typing.List generic alias, I can only specify a single type.
Example:
>>> typing.List[int]
typing.List[int]
When I try to specify additional types, it fails. Example:
>>> typing.List[int, int]
Traceback (most recent call last):
File "", line 1, in
File "/usr/lib/python3.9/typing.p
66 matches
Mail list logo
