atters and the
like (such as Python-mode in Emacs) would curse your name, etc, etc.
My apologies for being a Bear of Very Little Brain.
Nah, don't apologise. This is one of those things that everyone has
opinions on, because there doesn't seem to be an obvious Right Answer.
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On 13/07/2020 15:33, Guido van Rossum wrote:
On Mon, Jul 13, 2020 at 04:35 Rhodri James wrote:
[Re: forbidding **_ in mapping patterns]
I’d rather not. And the argument about disallowing obviously redundant
syntax seems weak. My worry about allowing this is that it’ll be cargo
culled
thought I
could, but trying it out in the playground didn't work at all. :-(
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other way around makes sense too.
(I can't see how anyone likes the Linux case indentation style at all.
It's horrible to read.)
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)
p1 = Point(x1, y1)
case Polygon(p0, p1, p2):
...
is very easy to miss.
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bullet point under "Alternatives for
constant value pattern": https://www.python.org/dev/peps/pep-0622/#id74
Basically it looks odd and we may need parentheses to manage grouping in
patterns.
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On 08/07/2020 19:08, Antoine Pitrou wrote:
On Wed, 8 Jul 2020 18:38:12 +0100
Rhodri James wrote:
On 08/07/2020 16:02, Guido van Rossum wrote:
Today I’m happy (and a little trepidatious) to announce the next
version of PEP 622, Pattern Matching.
Thank you very much to everyone who has been
e it being a particularly
big issue where it goes.)
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hat "_" doesn't bind to the thing being
matched, but "dummy" does bind to it.
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e into arguments about there preferably being only one obvious way
to do things. I'd maintain that "else:" is obvious :-)
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ric it could be confusing.
Yes, we'd have to call them Bruce to avoid confusion.
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try Point(x, y):
...
try Rectangle(x0, y0, x1, y1, painted=True):
...
I'm actually surprised at how much I like that. It certainly gets me
out of the C mindset and makes it easier for me to recognise that
Point(x,y) isn't an instantiation.
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t;brave decision" when he wants to point out consequences the minister
won't like.
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t singular "they" as perfectly
appropriate. I don't like it personally, but I've only ever thought of
RP (in my British parochialism) as trying to suppress it with any
serious effort.
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it was better to hide from students. It was in Latin
classes that I learned how sentences are put together, and that's what I
default to when I'm not thinking hard enough.
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references, so you
will tend to write clearly and with common vocabulary. Just as Strunk
and White would advise :-)
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f it that people
have come up with over the years are worse, "he" will trigger people
prone to seeing overarching patriarchalism, "she" will trigger people
prone to seeing overarching feminism, and "they" will trigger p
of what's going on, even if the details take a bit more work.
If you have to second-guess every assignment, much of that virtue is lost.
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hem. And that's why I think the commit message in
question should be amended ASAP.
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and a Texan (I
think, he was from somewhere Deep South) tried to communicate. They had
to get a passing Dutchman to translate for them.
(No joke, that really happened.)
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. We (individually and
collectively) may decide that their reasons don't hold water, but we
should always listen.
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Good point. Duly done.
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Messag
API will need to be pretty comprehensive, though.
(If you want nightmares, take a look at the parsing code in Expat.
Multiple layers of macros and function tables make it a horror to
comprehend.)
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in C. Using wchar_t was eventually rejected as infeasible.
* Sorry, I had a Blues Brothers moment.
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in
the repository.
Do you see the difference?
I really wish you hadn't brought up the master/slave debacle again. I
may feel obliged to submit PRs to restore the accepted usage because,
and I can't believe I have to keep saying this, *creating taboos only
ever makes things worse.*
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are all useful to someone
who intends to write much, though.
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in the PEPs repository (not
just a PR, it's there, public, and effectively representing you and me)
is a problem. That it's still there now is pretty unacceptable in my book.
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it.
(Yes, I'm allowed to get offended. I'm half Welsh, growing up on the
English side of the border with an obviously Welsh name. I know all
about language and racism, thank you very much.)
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e like
you who care about internationalisation presumably avoid using "_"
anyway, so the PEP's usage goes against your current instincts.
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by other reasonable people.
I don't think you are being insensitive, I too found that commit message
offensive. Personally I think equating standardised English --
specifically Strunk and White -- with racist supremacy is itself a
racist remark which should not have been made.
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for that, Daniel. That's a very nice analysis that makes my
own misgivings clearer and put some of them to rest. I think you are
right that generalised destructuring is probably the thing to
concentrate on; once we have something cohesive there, pattern syntax
should become a lot more
talking about types right at the start.
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On 25/06/2020 16:48, Tim Peters wrote:
[Tim]
See reply to Glenn. Can you give an example of a dotted name that is
not a constant value pattern? An example of a non-dotted name that is?
If you can't do either (and I cannot)), then that's simply what "if
[Rhodri James ]
On 25/06/2020 15:42, Greg Ewing wrote:
On 26/06/20 1:18 am, Rhodri James wrote:
I will quickly and regularly forget that in this one place, "_" is
special.
You don't have to remember that it's special to understand what
'case _' does. Even if it were treated as an ordinary name
On 25/06/2020 15:40, Tim Peters wrote:
[Rhodri James ]
See reply to Glenn. Can you give an example of a dotted name that is
not a constant value pattern? An example of a non-dotted name that is?
If you can't do either (and I cannot)), then that's simply what "if
't do either (and I cannot)), then that's simply what "if
case long.chain.of.attributes:
or more likely
case (foo.x, foo.y)
for the first. For the second, it's a no-brainer that you can't have a
non-dotted name as a constant value pattern, since the current constant
value pattern mandates
onstruct a list.
That argument works for name patterns, but not for class patterns.
"Cls(x,y)" does not look like an assignment target at all.
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of patterns.
There's no awkwardness about when is a name a value and when is it
something to be bound, there's no proliferation of special cases, and it
is pretty readable I think. It could be argued to be verbose, but
terseness is not one of Python's objectives, and I think the consistency
is worth i
would be weird if zip_longest doesn't get folded in
eventually, which might push them (more) negative.
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variants
even have.
But zip_equals() is also another beast entirely; it takes on the
responsibility of raising an exception, a problem neither of the other
variants even have.
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On 13/04/2020 11:17, Steve Dower wrote:
On 11Apr2020 1156, Rhodri James wrote:
On 10/04/2020 18:20, Victor Stinner wrote:
Note: Cython and cffi should be preferred to write new C extensions.
This PEP is about existing C extensions which cannot be rewritten with
Cython.
If this is true
of writing a C extension, and using Cython
or cffi never even crossed my mind.
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that you should compare your module init
function to the example one in the Embedding and Extending docs.
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mation.
>>> from hub import hub
Breakpoint 1, Hub_new (type=0x76236340 , args=(), kwds=0x0)
at src/hubmodule.c:164
164 HubObject *self = (HubObject *)type->tp_alloc(type, 0);
(gdb)
...and off you go!
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needs to know that the
prefix wasn't there, cutprefix() probably wasn't the right thing to use
anyway.
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d +1
on the whole thing. Good work, guys!
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ons should appear in a X.9 release to give folks time
to prepare.
That feels like a very bad idea indeed. If you don't tell people things
are going away, they definitely won't prepare for that.
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Python and the
Standard Library. The ServiceNow package is provided on PyPI rather
than being part of the standard library. You will probably be better
off addressing your request to the project's GitHub page:
https://github.com/locaweb.python-servicenow.
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d-mask all the time). I've seen no hard evidence of any actual
improvement of any size, and without that there really isn't a decision
to be made.
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on, and
the problem I'm trying to solve. In some cases, 1% increase in speed
might be a godsend I'd sacrifice my non-existent first-born for. In
others, no increase in memory consumption might be acceptable.
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that improved cache
locality will speed things up, and Mark asks us to please justify our
objections with numbers. But surely it's up to Mark to show numbers
first?
+1
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you have made the case for
limits yet. Certainly not convincingly. Without that argument, all I
can really do is say that I think you're wrong.
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nome Project is utterly ludicrous. Have we hit the limit
with Big Data? I'm not brave enough to say that, and when you start
looking at the numbers involved, one million anythings doesn't look so
ridiculous at all.
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was doing, for example. I strongly recommend not starting down
that path.
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nk, either.
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Message archived at
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en we are going to deprecate and remove the
"u" prefix?
[1] https://www.python.org/dev/peps/pep-0414/
You are presupposing that the answer to the question "Are we going to
deprecate and remove the "u" prefix" is "Yes". I'm not convi
On 09/09/2019 15:51, brian.sk...@gmail.com wrote:
it's getting better?
No it's not, it'll be stone dead in a moment.
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