On Thu, Oct 4, 2018 at 10:58 AM Steven D'Aprano wrote:
> While keyword arguments have to be identifiers, using **kwargs allows
> arbitrary strings which aren't identifiers:
>
> py> def spam(**kwargs):
> ... print(kwargs)
> ...
> py> spam(**{"something arbitrary": 1, '\n': 2})
> {'something
Guido van Rossum wrote:
On Mon, Feb 23, 2009 at 3:16 PM, Martin v. Löwis mar...@v.loewis.de wrote:
Don't I remember the previous restricted module dying a similar death
of 1,000 cuts before it was concluded to be unsafe at any height and
abandoned?
I think you are slightly
Guido van Rossum wrote:
I've received some enthusiastic emails from someone who wants to
revive restricted mode. He started out with a bunch of patches to the
CPython runtime using ctypes, which he attached to an App Engine bug:
http://code.google.com/p/googleappengine/issues/detail?id=671
Victor Stinner wrote:
Le Tuesday 17 February 2009 08:52:20 Lennart Regebro, vous avez écrit :
On Tue, Feb 17, 2009 at 00:50, Guido van Rossum gu...@python.org wrote:
Can you explain the difficulty with porting setuptools in more detail?
Oh, it just exposes a bug in distutils.
Terry Reedy wrote:
Some people write
somename = lambda args: expression
instead of the more obvious (to most people) and, dare I say, standard
def somename(args): return expression
The difference in the result (the only one I know of) is that the code and
function objects get the
Nick Coghlan wrote:
Samuele Pedroni wrote:
I found only an example in my personal recent code:
START = !-- *db-payload-start* --
END = !-- *db-payload-end* --
TITLEPATTERN = lambda s: title%s/title % s
this three are later used in a very few .find() and .replace()
expressions in the same
team,
Samuele Pedroni, Carl Friedrich Bolz, Armin Rigo, Michael Hudson,
Maciej Fijalkowski, Anders Chrigstroem, Holger Krekel,
Guido Wesdorp
and many others:
http://codespeak.net/pypy/dist/pypy/doc/contributor.html
What is PyPy?
Technically
Aahz wrote:
On Sun, Dec 24, 2006, Guido van Rossum wrote:
Anyone?
It was discarded as probable spam by me due to the lack of a valid To:
line. Do you have any particular reason for believing that it's real?
http://agile.diee.unica.it/uras.html (it's in italian)
seems to make
Barry Warsaw wrote:
-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1
On Nov 9, 2006, at 2:15 PM, [EMAIL PROTECTED] wrote:
Martin In any case, the patch being contributed uses SCons. If
people
Martin think this is unmaintainable, this is a reason to
reject the
Martin
. Is *that*
official?
It is official, at least in the unofficial way that Jython appears to
work: Brian handed the baton to me after (I presume) Samuele Pedroni
had handed the baton to Brian.
Brian's email is here:
http://sourceforge.net/mailarchive/message.php?msg_id=13859029
That said, I still
Brett Cannon wrote:
I don't know how JavaScript is doing it yet. The critical thing for me
for this month was trying to come up with a security model.
And if you don't think it is going to scale, how do you think it should
be done?
if I remember correctly, the boundary/granularity of
and submission links are at:
http://www.europython.org/sections/tracks_and_talks/call-for-proposals
Samuele Pedroni, Python Language and Libraries Track Chair
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Thanks, Samuele Pedroni
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Mike Krell wrote:
Greg Ewing greg.ewing at canterbury.ac.nz writes:
I've just been playing around with metaclasses, and
I think I've stumbled across a reason for having
class decorators as an alternative to metaclasses
for some purposes.
There has also been discussion on the
Tokyo PyPy Sprint: 23rd - 29th April 2006
The next PyPy sprint is scheduled to take place 23rd- 29th April 2006
(Sunday-Saturday) in Akihabara, Tokyo, Japan. We will together with
FSIJ (Free Software Initiative of Japan) aim to promote
Barry Warsaw wrote:
On Sat, 2006-03-18 at 22:53 +1000, Nick Coghlan wrote:
Should GeneratorExit inherit from Exception or BaseException?
Actually, this prompts me to write about an issue I have with PEP 352.
I actually don't think it's necessary (yes, I know it's already in the
tree).
Raymond Hettinger wrote:
[Samuele Pedroni]
there's no sys.checkinterval in Jython. Implementing this would need the
introduction of some kind of GIL implementation in Jython, the JVM
has no primitive for global critical sections.
Wouldn't Java implement this directly by suspending
Phillip J. Eby wrote:
At 02:47 PM 3/13/2006 -0500, Jim Jewett wrote:
Paul Moore wrote:
Is there any practical way of detecting and flagging
constructs like the above (remotely shadowing a
builtin in another module)?
Phillip J. Eby wrote:
the patch ended up being backed out ... too strict
of
Raymond Hettinger wrote:
it doesn't translate reasonably to Jython or IronPython, it's really tricky
to
implement,
FWIW, someone on the newsgroup suggested implementing this via a slight
modification to sys.checkinterval(). The idea was that a None argument would
translate to
Almann T. Goo wrote:
As far as I remember, Guido wasn't particularly opposed
to the idea, but the discussion fizzled out after having
failed to reach a consensus on an obviously right way
to go about it.
My apologies for bringing this debated topic again to the
front-lines--that said, I
Greg Ewing wrote:
Jeremy Hylton wrote:
The names of naming statements are quite hard to get right, I fear.
My vote goes for 'outer'.
And if this gets accepted, remove 'global' in 3.0.
In 3.0 we could remove 'global' even without 'outer',
and make module global scopes read-only, not
Ralf W. Grosse-Kunstleve wrote:
--- Fredrik Lundh [EMAIL PROTECTED] wrote:
Please try the code below to see the performance impact.
oh, please. do you seriously think that if you don't have to type self
yourself, Python will suddenly be able to turn all instance variables into
local function
Ian Bicking wrote:
Tim Peters wrote:
[Thomas Wouters]
My point isn't that it isn't archived somewhere (mailinglists, wiki, FAQ,
the minds of many, many people, not just Python developers) but that it
isn't easily findable and it isn't easily accessible in a single location. I
thought PEP's
Ian Bicking wrote:
I just don't want people to feel discouraged when they try to contribute
to the Python community and a PEP 13 could help direct people towards
areas where their contributions are more likely to be useful.
but people have a lot of options, probably more effective, ranging
because I was reminded of them recently, because they may be useful
landmarks in the prospective of future discussions, because expanding
one's understanding of the problem/solution space of language design
is quite a good thing if one is interested in such things...
1)
Gilad Bracha. Pluggable
Michael Chermside wrote:
The F-bot writes:
in reality, some things are carefully thought out and craftily im-
plemented, some things are engineering tradeoffs made at a certain time,
and some things are just accidents -- but python-dev will happily defend
the current solution with the same
Michael Hudson wrote:
[EMAIL PROTECTED] writes:
Fredrik a quit/exit command that actually quits, instead of printing a
Fredrik you didn't say please! message.
I like Fredrik's idea more and more.
The thing that bothers me about it is that the standard way you tell
python to do
Tim Peters wrote:
[Neal]
Hmmm, I thought others were running the tests on Windows too. There
was one report on Nov 22 about running Purify on Windows 2k (subject:
ast status, memory leaks, etc). He had problems with a stack overflow
in test_compile. He was going to disable the test and
Palma de Mallorca PyPy Sprint: 23rd - 29th January 2006
The next PyPy sprint is scheduled to take place January 2006 in
Palma De Mallorca, Balearic Isles, Spain. We'll give newcomer-friendly
introductions and the focus will mainly
Noam Raphael wrote:
Three weeks ago, I read this and thought, well, you have two options
for a default comparison, one based on identity and one on value, both
are useful sometimes and Guido prefers identity, and it's OK. But
today I understood that I still think otherwise.
well, this still
Noam Raphael wrote:
On 11/5/05, Martin v. Löwis [EMAIL PROTECTED] wrote:
More generally, I claim that the current behaviour is better than
*any* alternative. To refute this claim, you would have to come
up with an alternative first.
The alternative is to drop the __hash__ method of
Reinhold Birkenfeld wrote:
Raymond Hettinger wrote:
[Martin Blais]
I'm always--literally every time-- looking for a more functional
form,
something that would be like this:
# apply dirname() 3 times on its results, initializing with p
... = repapply(dirname, 3, p)
[Greg Ewing]
Maybe
Frank Wierzbicki wrote:
On 10/20/05, *Neal Norwitz* [EMAIL PROTECTED]
mailto:[EMAIL PROTECTED] wrote:
The Grammar is (was at one point at least) shared between Jython and
would allow more tools to be able to share infrastructure. The idea
is to eventually be able to have
Guido van Rossum wrote:
On 10/25/05, Frank Wierzbicki [EMAIL PROTECTED] wrote:
My name is Frank Wierzbicki and I'm working on the Jython project. Does
anyone on this list know more about the history of this Grammar sharing
between the two projects? I've heard about some Grammar sharing
Jeremy Hylton wrote:
I'd like to see the builtin id() removed so that I can use it as a
local variable name without clashing with the builtin name. I
certainly use the id() function, but not as often as I have a local
variable I'd like to name id. The sys module seems like a natural
place
Tim Peters wrote:
I can't think of a Python feature with a higher aggregate
braincell_burned / benefit ratio than __del__ methods. If P3K retains
them-- or maybe even before --we should consider taking the Java
dodge on this one. That is, decree that henceforth a __del__ method
will get
-people.html
.. _`PyPy sprint mailing list`:
http://codespeak.net/mailman/listinfo/pypy-sprint
--
Samuele Pedroni the PyPy team
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Regards,
Samuele Pedroni, Python Language Track chair.
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Jim Fulton wrote:
Duncan Booth wrote:
Jim Fulton [EMAIL PROTECTED] wrote in news:[EMAIL PROTECTED]:
Guido van Rossum wrote:
I've written a PEP about this topic. It's PEP 340: Anonymous Block
Statements (http://python.org/peps/pep-0340.html).
Some observations:
1. It looks to me like a bare return
Robert Brewer wrote:
Shane Hathaway wrote:
Robert Brewer wrote:
So currently, all subclasses just override __set__, which leads to a
*lot* of duplication of code. If I could write the base
class' __set__
to call macros like this:
def __set__(self, unit, value):
self.begin()
if
Fredrik Lundh wrote:
Regardless, I believe that solving generator finalization (calling all
enclosing finally blocks in the generator) is a worthwhile problem to
solve. Whether that be by PEP 325, 288, 325+288, etc., that should be
discussed. Whether people use it as a pseudo-block, or decide
Ka-Ping Yee wrote:
On Sat, 9 Apr 2005, Jp Calderone wrote:
Does using the gc module to bypass this security count? If so:
[EMAIL PROTECTED]:~$ python -i facet.py
import gc
c = readonly_facet.__getattr__.func_closure[1]
r = gc.get_referents(c)[0]
r.n = 'hax0r3d'
Walter Dörwald wrote:
Samuele Pedroni wrote:
[...]
And having the full name of the class available would certainly help
in debugging.
that's probably the only plus point but the names would be confusing wrt
modules vs. classes.
You'd propably need a different separator in repr. XIST does
Walter Dörwald wrote:
Samuele Pedroni wrote:
Walter Dörwald wrote:
[User cases for pickling instances of nested classes]
So is this change wanted? useful? implementable with reasonable
effort? Or
just not worth it?
notice that in this cases often metaclasses are involved or could
easely be, so
Walter Dörwald wrote:
For XML: 1) Those classes are the element types and the nested classes
are the attributes. 2) Being able to define those attributes as separate
classes makes it possible to implement custom functionality (e.g. for
validation or for handling certain attribute types like URLs,
Josiah Carlson wrote:
Greg Ewing [EMAIL PROTECTED] wrote:
Josiah Carlson wrote:
Since PEP 310 was already mentioned, can we just say that the discussion
can be boiled down to different ways of spelling __enter__/__exit__ from
PEP 310?
It's not quite the same thing. PEP 310 suggests a mechanism
Brian Sabbey wrote:
Samuele Pedroni wrote:
OTOH a suite-based syntax for thunks can likely not work as a
substitute of lambda for cases like:
f(lambda: ..., ...)
where the function is the first argument, and then there are further
arguments.
I do not see why you say suite-based thunks cannot
Jim Jewett wrote:
It may be time to PEP (or re-PEP), if only to clarify what people are
actually asking for.
Brian Sabbey's example from message
http://mail.python.org/pipermail/python-dev/2005-March/052202.html
*seems* reasonably clear, but I don't see how it relates in any way to
for loops or
Peter Astrand wrote:
On Fri, 11 Mar 2005, Paul Moore wrote:
Not sure this is pertinent but anyway: any and all are often used
as variable names. all especially often and then almost always as a
list of something. It would not be good to add all to the list of
words to watch out for. Also, all
Nick Coghlan wrote:
The initial suggestion was to provide a __get__ method on partial
objects, which forces the insertion of the reference to self at the
beginning of the argument list instead of at the end:
def __get__(self, obj, type=None):
if obj is None:
return self
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