Thanks Peter. Much appreciate will look into codecs and how they work.
-Original Message-
From: Python-list
[mailto:python-list-bounces+joaquin.alzola=lebara@python.org] On Behalf Of
Peter Otten
Sent: 07 April 2016 19:14
To: python-list@python.org
Subject: Re: COnvert to unicode
Joa
Marko Rauhamaa writes:
> On the surface, the garbage collection scheme looks dubious, but maybe
> it works perfect in practice.
It looked suspicious at first glance but I think it is ok. Basically on
at most every timeout event (scheduling, expiration, or cancellation),
it does an O(n) operation
On 05Apr2016 08:58, Chris Angelico wrote:
On Tue, Apr 5, 2016 at 8:55 AM, Michael Torrie wrote:
Usenet-orginating posts look fine. For example:
From: Marko Rauhamaa
Newsgroups: comp.lang.python
Whereas email ones are sometimes looking like this:
From: Mark Lawrence via Python-list
Reply-
Hello to all,
I have this little script that pings certain ip addresses.
Considering that I am a newbie to the Python programming language, can
you help me change these lines in order to put the output into a csv file?
Sorry for unclear English
Thanks in advance
import subprocess
for ping in
Op 08-04-16 om 00:21 schreef Chris Angelico:
> On Fri, Apr 8, 2016 at 6:56 AM, Antoon Pardon
> wrote:
>> That solution will mean I will have to do about 100% more comparisons
>> than previously.
> Try it regardless. You'll probably find that performance is fine.
> Don't prematurely optimize!
>
> C
On Fri, Apr 8, 2016 at 5:35 PM, Antoon Pardon
wrote:
> Op 08-04-16 om 00:21 schreef Chris Angelico:
>> On Fri, Apr 8, 2016 at 6:56 AM, Antoon Pardon
>> wrote:
>>> That solution will mean I will have to do about 100% more comparisons
>>> than previously.
>> Try it regardless. You'll probably find
Paul Rubin :
> Marko Rauhamaa writes:
>> On the surface, the garbage collection scheme looks dubious, but
>> maybe it works perfect in practice.
>
> It looked suspicious at first glance but I think it is ok. Basically
> on at most every timeout event (scheduling, expiration, or
> cancellation), i
Op 07-04-16 om 23:08 schreef Ben Finney:
> Antoon Pardon writes:
>
>> With this method I have to traverse the two tuples almost always
>> twice. Once to find out if they are equal and if not a second time to
>> find out which is greater.
> You are essentially describing the new internal API of com
Antoon Pardon writes:
> But it was already working and optimized. The python3 approach forces
> me to make changes to working code and make the performance worse.
Yes, changing from Python 2 to Python 3 entails changing working code,
and entails different implementations for some things.
As for
Antoon Pardon writes:
> Op 07-04-16 om 23:08 schreef Ben Finney:
> > You are essentially describing the new internal API of comparison
> > operators. That's pretty much unavoidable.
>
> And nobody thought about this kind of cases
I'm quite confident the API changes were thought about by many peo
Paul Rubin writes:
> Lua is supposed to be easy to embed and sandbox. It might be
> interesting to write Python bindings for the Lua interpreter sometime.
Isn't this something similar to already existing
https://pypi.python.org/pypi/lupa/?
ciao, lele.
--
nickname: Lele Gaifax | Quando vivrò d
Antoon Pardon :
> In python2 descending the tree would only involve at most one
> expensive comparison, because using cmp would codify that comparison
> into an integer which would then be cheap to compare with 0. Now in
> python3, I may need to do two expensive comparisons, because there is
> no
Marko Rauhamaa writes:
> With AVL trees, it's easier to be convinced about worst-case
> performance.
I'd have thought the main reason to use AVL trees was persistence, so
you could have multiple slightly different trees sharing most of their
structures.
> It is more difficult to see the potentia
On Fri, Apr 8, 2016 at 3:25 AM, Smith wrote:
> Hello to all,
> I have this little script that pings certain ip addresses.
> Considering that I am a newbie to the Python programming language, can you
> help me change these lines in order to put the output into a csv file?
> Sorry for unclear Englis
On Fri, 8 Apr 2016 06:34 pm, Marko Rauhamaa wrote:
> Antoon Pardon :
>
>> In python2 descending the tree would only involve at most one
>> expensive comparison, because using cmp would codify that comparison
>> into an integer which would then be cheap to compare with 0. Now in
>> python3, I may
Hello.
Thank you to Karim, thank you to Wildman for response.
I will describe my problem in more detail. Python on my computer is
installed in /usr directory. My Python contains additional modules such as
numpy, scipy, matplotlib, h5py, … . Python runs correctly.
Third party program opens Pyt
I have connected successfully MySQL with Django after installing MySQL
module via easy_install command. But unfortunately I have a problem setting
mysql db to properly recognise greek characters in django. In my setting.py
file I have included the following options:
'OPTIONS': { 'charset': 'utf8',
How did you create DB?
http://dev.mysql.com/doc/refman/5.7/en/charset-database.html
On Fri, Apr 8, 2016 at 7:26 PM, asimkon . wrote:
> I have connected successfully MySQL with Django after installing MySQL
> module via easy_install command. But unfortunately I have a problem setting
> mysql db t
On 08/04/2016 12:01, frantisek.fridr...@rubena.cgs.cz wrote:
Hello.
Thank you to Karim, thank you to Wildman for response.
I will describe my problem in more detail. Python on my computer is
installed in /usr directory. My Python contains additional modules such as
numpy, scipy, matplotlib, h
On Fri, 8 Apr 2016 05:35 pm, Antoon Pardon wrote:
> Op 08-04-16 om 00:21 schreef Chris Angelico:
>> On Fri, Apr 8, 2016 at 6:56 AM, Antoon Pardon
>> wrote:
>>> That solution will mean I will have to do about 100% more comparisons
>>> than previously.
>> Try it regardless. You'll probably find tha
On Fri, 8 Apr 2016 05:45 pm, Antoon Pardon wrote:
> Op 07-04-16 om 23:08 schreef Ben Finney:
>> Antoon Pardon writes:
>>
>>> With this method I have to traverse the two tuples almost always
>>> twice. Once to find out if they are equal and if not a second time to
>>> find out which is greater.
>>
Steven D'Aprano :
> I would be stunned if tuple comparisons with only a handful of values
> were slow enough that its worth caching their results with an
> lru_cache. But try it, and see how you go.
There are two ways your Python program can be slow:
* You are doing something stupid like an O(e
I'd like to add -march=native to my pip builds. How can I do this?
--
https://mail.python.org/mailman/listinfo/python-list
Op 08-04-16 om 09:47 schreef Ben Finney:
> Antoon Pardon writes:
>
>> But it was already working and optimized. The python3 approach forces
>> me to make changes to working code and make the performance worse.
> Yes, changing from Python 2 to Python 3 entails changing working code,
> and entails d
Neal Becker schrieb am 08.04.2016 um 15:27:
> I'd like to add -march=native to my pip builds. How can I do this?
First of all, make sure you don't install binary packages and wheels.
Changing the C compiler flags will require source builds.
Then, it should be enough to set the CFLAGS environment
Stefan Behnel wrote:
> CFLAGS="-O3 -march=native" pip install --no-use-wheel
Thanks, not bad. But no way to put this in a config file so I don't have to
remember it, I guess?
--
https://mail.python.org/mailman/listinfo/python-list
Antoon Pardon :
> Well having a list of 1000 Sequence like object. Each sequence
> containing between 1 and 100 numbers. Comparing each sequence
> to each other a 100 times. I get the following results.
>
> Doing it as follows:
> seq1 < seq2
> seq2 < seq1
>
> takes about 110 seconds.
>
> D
On Fri, Apr 8, 2016 at 11:31 PM, Antoon Pardon
wrote:
> Doing it as follows:
> seq1 < seq2
> seq2 < seq1
>
> takes about 110 seconds.
>
>
> Doing it like this:
> delta = cmp(seq1, seq2)
> delta < 0
> delta > 0
>
> takes about 50 seconds.
Why are you comparing in both direction
On Fri, Apr 8, 2016 at 3:23 AM, Steven D'Aprano wrote:
> On Fri, 8 Apr 2016 06:34 pm, Marko Rauhamaa wrote:
>
>> Antoon Pardon :
>>
>>> In python2 descending the tree would only involve at most one
>>> expensive comparison, because using cmp would codify that comparison
>>> into an integer which w
Op 08-04-16 om 16:08 schreef Chris Angelico:
> On Fri, Apr 8, 2016 at 11:31 PM, Antoon Pardon
> wrote:
>> Doing it as follows:
>> seq1 < seq2
>> seq2 < seq1
>>
>> takes about 110 seconds.
>>
>>
>> Doing it like this:
>> delta = cmp(seq1, seq2)
>> delta < 0
>> delta > 0
>>
>> ta
Op 08-04-16 om 15:52 schreef Marko Rauhamaa:
> Antoon Pardon :
>
>> Well having a list of 1000 Sequence like object. Each sequence
>> containing between 1 and 100 numbers. Comparing each sequence
>> to each other a 100 times. I get the following results.
>>
>> Doing it as follows:
>> seq1 < seq
On Fri, Apr 8, 2016 at 8:08 AM, Chris Angelico wrote:
> On Fri, Apr 8, 2016 at 11:31 PM, Antoon Pardon
> wrote:
>> Doing it as follows:
>> seq1 < seq2
>> seq2 < seq1
>>
>> takes about 110 seconds.
>>
>>
>> Doing it like this:
>> delta = cmp(seq1, seq2)
>> delta < 0
>> delta >
On Sat, Apr 9, 2016 at 12:20 AM, Antoon Pardon
wrote:
>> You only need ONE comparison, and the other is presumed to be its
>> opposite. When, in the Python 3 version, would you need to compare
>> twice?
>
> About 50% of the time. When I traverse the tree I go left when the
> argument key is smalle
On Fri, Apr 8, 2016, at 10:08, Chris Angelico wrote:
> seq1 == seq2
> seq1 < seq2
>
> You only need ONE comparison, and the other is presumed to be its
> opposite. When, in the Python 3 version, would you need to compare
> twice?
== might be just as expensive as the others, particularly if the
se
On Sat, Apr 9, 2016 at 12:22 AM, Ian Kelly wrote:
>> seq1 == seq2
>> seq1 < seq2
>>
>> You only need ONE comparison, and the other is presumed to be its
>> opposite. When, in the Python 3 version, would you need to compare
>> twice?
>
> When there are three possible code paths depending on the res
Hi all,
I would appreciate any thoughts that you may have regarding a troublesome build
error. I am at my wits end.
For some strange reason a get a single error on importing. It's to do with the
requests module and pyopenssl.py
The comment block indicates:
This needs the following packages ins
On Sat, 9 Apr 2016 02:00 am, 1lee...@gmail.com wrote:
> import OpenSSL.SSL
> from pyasn1.codec.der import decoder as der_decoder
> from pyasn1.type import univ, constraint
> from socket import _fileobject, timeout, error as SocketError
>
> But I get a python exception on this last line:
>
> Impo
On Sat, Apr 9, 2016 at 2:00 AM, <1lee...@gmail.com> wrote:
> from socket import _fileobject, timeout, error as SocketError
>
> But I get a python exception on this last line:
>
> ImportError was unhandled by user code
> Message: cannot import name '_fileobject'
>
>
> I am running Python 3.4 and ha
Ian Kelly :
> That's fine for those operations and probably insert, but how do you
> search an AVL tree for a specific key without also using __eq__?
Not needed:
if key < node.key:
look_right()
elif node.key < key:
Rob Gaddi wrote:
> Does anyone know the history of why relative imports are only available
> for packages and not for "programs"? It certainly complicates life.
>
Really, no one? It seems like a fairly obvious thing to have included;
all of the reasons that you want to be explicit in saying:
On Fri, Apr 8, 2016 at 10:33 AM, Marko Rauhamaa wrote:
> Ian Kelly :
>
>> That's fine for those operations and probably insert, but how do you
>> search an AVL tree for a specific key without also using __eq__?
>
> Not needed:
>
> ===
On Sat, Apr 9, 2016 at 2:59 AM, Rob Gaddi
wrote:
> Rob Gaddi wrote:
>
>> Does anyone know the history of why relative imports are only available
>> for packages and not for "programs"? It certainly complicates life.
>>
>
> Really, no one? It seems like a fairly obvious thing to have included;
>
Ian Kelly :
> On Fri, Apr 8, 2016 at 10:33 AM, Marko Rauhamaa wrote:
>> Ian Kelly :
>>
>>> That's fine for those operations and probably insert, but how do you
>>> search an AVL tree for a specific key without also using __eq__?
>>
>> Not needed:
>>
>>
On Fri, 08 Apr 2016 16:00:10 +1000, Steven D'Aprano wrote:
> On Fri, 8 Apr 2016 02:51 am, Peter Pearson wrote:
>>
>> The Unicode consortium was certifiably insane when it went into the
>> typesetting business.
>
> They are not, and never have been, in the typesetting business. Perhaps
> character
Peter Pearson :
> On Fri, 08 Apr 2016 16:00:10 +1000, Steven D'Aprano
> wrote:
>> They are not, and never have been, in the typesetting business.
>> Perhaps characters are not the only things easily confused *wink*
>
> Defining codepoints that deal with appearance but not with meaning is
> going
On Sat, Apr 9, 2016 at 3:44 AM, Marko Rauhamaa wrote:
> Unicode heroically and definitively solved the problems ASCII had posed
> but introduced a bag of new, trickier problems.
>
> (As for ligatures, I understand that there might be quite a bit of
> legacy software that dedicated code points and
On Friday, April 8, 2016 at 10:24:17 AM UTC+5:30, Chris Angelico wrote:
> On Fri, Apr 8, 2016 at 2:43 PM, Rustom Mody wrote:
> > No I am not clever/criminal enough to know how to write a text that is
> > visually
> > close to
> > print "Hello World"
> > but is internally closer to
> > rm -rf /
>
Chris Angelico wrote:
> On Sat, Apr 9, 2016 at 2:59 AM, Rob Gaddi
> wrote:
>> Rob Gaddi wrote:
>>
>>> Does anyone know the history of why relative imports are only available
>>> for packages and not for "programs"? It certainly complicates life.
>>>
>>
>> Really, no one? It seems like a fairly
On Sat, Apr 9, 2016 at 3:50 AM, Rob Gaddi
wrote:
> Sort of. If I've got a directory full of files (in a package)
> that I'm working on, the relative import semantics change based on
> whether I'm one directory up and importing the package or in the same
> directory and importing the files locally
On Sat, 9 Apr 2016 03:50:16 +1000, Chris Angelico wrote:
> On Sat, Apr 9, 2016 at 3:44 AM, Marko Rauhamaa wrote:
[snip]
>> (As for ligatures, I understand that there might be quite a bit of
>> legacy software that dedicated code points and code pages for ligatures.
>> Translating that legacy soft
On Friday, April 8, 2016 at 11:14:21 PM UTC+5:30, Marko Rauhamaa wrote:
> Peter Pearson :
>
> > On Fri, 08 Apr 2016 16:00:10 +1000, Steven D'Aprano wrote:
> >> They are not, and never have been, in the typesetting business.
> >> Perhaps characters are not the only things easily confused *wink*
>
On Friday, April 8, 2016 at 11:33:38 PM UTC+5:30, Peter Pearson wrote:
> On Sat, 9 Apr 2016 03:50:16 +1000, Chris Angelico wrote:
> > On Sat, Apr 9, 2016 at 3:44 AM, Marko Rauhamaa wrote:
> [snip]
> >> (As for ligatures, I understand that there might be quite a bit of
> >> legacy software that ded
Adding link
On Friday, April 8, 2016 at 11:48:07 PM UTC+5:30, Rustom Mody wrote:
> 5.12 Deprecation
>
> In the Unicode Standard, the term deprecation is used somewhat differently
> than it is in some other standards. Deprecation is used to mean that a
> character or other feature is strongly d
On Sat, Apr 9, 2016 at 4:24 AM, Lee Fig <1lee...@gmail.com> wrote:
> print(socket.__file__)
>
> seems to confirm that all is well. It refers to my Lib folder:
> C:\work\tools\WinPython-64bit-3.4.4.1\python-3.4.4.amd64\Lib\socket.py
>
> How frustrating. I will Google shadow importing as thats a new
On Fri, Apr 8, 2016 at 11:50 AM, Rob Gaddi
wrote:
> Sort of. If I've got a directory full of files (in a package)
> that I'm working on, the relative import semantics change based on
> whether I'm one directory up and importing the package or in the same
> directory and importing the files locall
On Sat, 9 Apr 2016 03:21 am, Peter Pearson wrote:
> On Fri, 08 Apr 2016 16:00:10 +1000, Steven D'Aprano
> wrote:
>> On Fri, 8 Apr 2016 02:51 am, Peter Pearson wrote:
>>>
>>> The Unicode consortium was certifiably insane when it went into the
>>> typesetting business.
>>
>> They are not, and neve
Steven D'Aprano :
> But when you get down to fundamentals, character sets and alphabets have
> always blurred the line between presentation and meaning. W ("double-u")
> was, once upon a time, UU
But as every Finnish-speaker now knows, "w" is only an old-fashioned
typographic variant of the glyph
On Friday, April 1, 2016 at 3:57:40 PM UTC-7, Mark Lawrence wrote:
> On 01/04/2016 23:44, sohcahto...@gmail.com wrote:
> > On Friday, April 1, 2016 at 3:10:51 PM UTC-7, Michael Okuntsov wrote:
> >> Nevermind. for j in range(1,8) should be for j in range(8).
> >
> > I can't tell you how many times I
On 08/04/2016 23:59, sohcahto...@gmail.com wrote:
On Friday, April 1, 2016 at 3:57:40 PM UTC-7, Mark Lawrence wrote:
On 01/04/2016 23:44, sohcahto...@gmail.com wrote:
On Friday, April 1, 2016 at 3:10:51 PM UTC-7, Michael Okuntsov wrote:
Nevermind. for j in range(1,8) should be for j in range(8
Hello.
TLDR: how can I use something like loop.run_until_complete(coro), to execute a
coroutine synchronously, while the loop is already running?
More on this:
I was trying to create an aio_map(coro, iterable) function (which would
asynchronously launch a coroutine for each iteration over iter
Dennis Lee Bieber writes:
> [The QWERTY keyboard layout] was a sane design -- for early mechanical
> typewrites. It fulfills its goal of slowing down a typist to reduce
> jamming print-heads at the platen.
This is an often-repeated myth, with citations back as far as the 1970s.
It is false.
The
After I install Python, I try to run it, and it always says it needs to be
repaired, and when I do, it still doesn't fix the problem.
If you could help me out, that would be great!
Thanks,
Amaya
--
https://mail.python.org/mailman/listinfo/python-list
Amaya McLean writes:
> After I install Python
How, specifically, are you installing Python? There are many ways, and
we can't guess which you use.
Which particular Python installation have you obtained? From what
specific URL? Python is available from many sources and we can't guess
which you o
Testing posting from an email address other than the one I'm subscribed
in, to determine whether it's possible to post to the list without being
subscribed.
--
https://mail.python.org/mailman/listinfo/python-list
I suspect that the reason that a lot of people who report issues like
this don't seem to follow up is that they may not be subscribed to the
list, and replies are sent to the list exclusively.
Quoting the entire reply so they see it.
On Fri, Apr 8, 2016, at 21:24, Ben Finney wrote:
> Amaya McLean
On 04/08/2016 06:32 PM, Random832 wrote:
Testing posting from an email address other than the one I'm subscribed
in, to determine whether it's possible to post to the list without being
subscribed.
Kinda. :)
--
~Ethan~
--
https://mail.python.org/mailman/listinfo/python-list
On Sat, 9 Apr 2016 10:43 am, Ben Finney wrote:
> Dennis Lee Bieber writes:
>
>> [The QWERTY keyboard layout] was a sane design -- for early mechanical
>> typewrites. It fulfills its goal of slowing down a typist to reduce
>> jamming print-heads at the platen.
>
> This is an often-repeated myth,
"Alexander Myodov" wrote in message
news:33e44698-2625-47c4-9595-00a8c79f2...@googlegroups.com...
Hello.
TLDR: how can I use something like loop.run_until_complete(coro), to
execute a coroutine synchronously, while the loop is already running?
I am no expert, but does this help?
"If you'
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