Dan Stromberg gmail.com> writes:
>
> What kind of ordered dictionaries? Sorted by key.
Calling them "sorted dictionaries" avoids any confusions with Python's
standard OrderedDict class:
http://docs.python.org/3.3/library/collections.html#ordereddict-objects
Regards
Antoine.
--
http://mail.
Hi,
Wolfgang Maier biologie.uni-freiburg.de> writes:
>
> Dear all,
> I was just experimenting for the first time with os.posix_fadvise(), which
> is new in Python3.3 . I'm reading from a really huge file (several GB) and I
> want to use the data only once, so I don't want OS-level page caching.
Roy Smith panix.com> writes:
>
> Every line which contains 'ENQ' also matches the full regex (61425
> lines match, out of 2.1 million total). I don't understand why the
> first way is so much slower.
One invokes a fast special-purpose substring searching routine (the
str.__contains__ operator),
Benedict Verheyen gmail.com> writes:
>
> Hi,
>
> for a project, I need to post data to some aspx pages.
> The aspx pages are hosted by another company.
> I develop on a virtual Debian Wheezy (Virtual box) running on Windows.
> I couldn't get the code to run either on Windows nor Linux.
>
> On m
Joshua Landau landau.ws> writes:
>
> > The same with Unicode. We hate French people,
>
> And for good damn reason too. They're ruining our language, á mon avis.
We do!
Regards
Antoine.
--
http://mail.python.org/mailman/listinfo/python-list
gmail.com> writes:
>
> Hi:
>
>Previously, we found that our python scripts consume too much memory.
So I use
python's resource module to
> restrict RLIMIT_AS's soft limit and hard limit to 200M.
> On my RHEL5.3(i386)+python2.6.2, it works OK. But on CentOS
6.2(x86_64)+python2.6.6, it repor
Le Mon, 29 Jul 2013 00:55:53 -0700,
Ethan Furman a écrit :
> Excerpt from http://meta.stackoverflow.com/q/190442/176681:
>
> Janrain no longer actively supports MyOpenID, and announced on
> Twitter that their users should proceed with caution.
>
> This decision was made by Janrain, [snip]
>
> I
Frank Millman chagford.com> writes:
>
> I have some binary data (a gzipped xml object) that I want to store in a
> database. For PostgreSQL I use a column with datatype 'bytea', which is
> their recommended way of storing binary strings.
>
> I use psycopg2 to access the database. It returns bi
Frank Millman chagford.com> writes:
>
> Thanks for that, Antoine. It is an improvement over tobytes(), but i am
> afraid it is still not ideal for my purposes.
I would suggest asking the psycopg2 project why they made this choice, and
if they would reconsider. Returning a memoryview doesn't mak
Simon Pirschel abusix.org> writes:
>
> Hi,
> I'm currently experimenting with IMAP using Python 2.7.3 and IMAP4
> from imaplib. I noticed the performance to be very bad. I read 5000
> files from a directory and append them to an IMAP INBOX. The hole
> procedure of reading and
Hi,
Thiébaud Weksteen weksteen.fr> writes:
>
> I wrote a patch for Python 3.2.3 to expose the function
> SSL_CTX_set_msg_callback in the module _ssl.
>
[...]
>
> Let me know your opinion on that. Does it worth being included?
Yes, it sounds useful. Your patch will have to be written against
bucket.org/pitrou/pathlib/
Regards
Antoine Pitrou.
--
Software development and contracting: http://pro.pitrou.net
--
http://mail.python.org/mailman/listinfo/python-list
J gmail.com> writes:
>
> Now, the problem I have is that linux tends to buffer data writes to a
> device, and I want to work around that. When run in normal non-stress
> mode, the program is slow enough that the linux buffers flush and put
> the file on disk before the hash occurs. However, whe
Hello,
Gustavo Baratto gmail.com> writes:
>
> SSL.Socket.getpeercert() doesn't return essential information present in the
> client certificate (issuer, serial number, not before, etc), and it looks it
> is
> by design:
It does, in Python 3.2:
http://docs.python.org/py3k/library/ssl.html#clie
Ramchandra Apte gmail.com> writes:
>
> The zen of python is simply a guideline
What's more, the Zen guides the language's design, not its implementation.
People who think CPython is a complicated implementation can take a look at
PyPy
:-)
Regards
Antoine.
--
Software development and contr
gmail.com> writes:
>
> Pick up a random text and see the probability this
> text match the most optimized case 1 char / 1 byte,
> practically never.
Funny that you posted a text which does just that:
http://mail.python.org/pipermail/python-list/2012-August/629554.html
> In a funny way, this is
Laszlo Nagy shopzeus.com> writes:
>
> There are just so many IPC modules out there. I'm looking for a solution
> for developing a new a multi-tier application. The core application will
> be running on a single computer, so the IPC should be using shared
> memory (or mmap) and have very short
Chris Angelico gmail.com> writes:
>
> On Wed, Sep 5, 2012 at 5:16 AM, Terry Reedy udel.edu> wrote:
> > io.open depends on a function the returns an open file descriptor. opener
> > exposes that dependency so it can be replaced.
>
> I skimmed the bug report comments but didn't find an answer to
css322 gmail.com> writes:
>
> (1) A worker thread calls Py_AddPendingCall and assigns a handler function.
> (2) When the Python interpreter runs, it calls the handler function whenever
it yields control to another thread
Not exactly. As the documentation says: "If successful, func will be called
Hello,
Wayne Werner waynewerner.com> writes:
>
> So... curiouser and curiouser - it looks like it's not *actually* execve's
> fault after all. I just compiled the code from the man page, tweaked it to
> run 'hg root', and passed it a new environment. No problems. Well, then I
> manually call
Hello,
Christophe Vandeplas vandeplas.com> writes:
>
> From the documentation I understand that deques are thread-safe:
> > Deques are a generalization of stacks and queues (the name is pronounced
“deck”
> > and is short for “double-ended queue”). Deques support thread-safe, memory
> > efficie
Andrew Robinson r3dsolutions.com> writes:
>
> When Python3.2 is running, is there an easy way within Python to capture
> the *total* amount of heap space the program is actually using (eg:real
> memory)?
I'm not sure what you mean with "real memory" or how precise you want that
measurement t
Jonathan Hayward pobox.com> writes:
>
> What needs changing here and how should I change it so that handle_signal()
> is called and then things keep on ticking?
So that it is called when exactly? Your message isn't clear as to what isn't
working for you.
Regards
Antoine.
--
http://mail.pyt
Steven D'Aprano pearwood.info> writes:
>
> A programmer had a problem, and thought Now he has "I know, I'll solve
> two it with threads!" problems.
Host: Last week the Royal Festival Hall saw the first performance of a new
logfile by one of the world's leading modern programmers, Steven
"Two t
Hello,
Eric Frederich gmail.com> writes:
>
> 1)Is calling Py_Initialize twice correct, or will I run into other problems
> down the road?
It's fine in practice (spurious calls are ignored).
> I am not sure if there is a mechanism to get something called at the end of
the
> user's session wit
Alek Storm gmail.com> writes:
>
> Connecting with either Firefox 11 or Chrome (which both support NPN) causes
> this to print None, rather than a protocol name. What's going on?
Ok, I've just tried with Firefox 11. You have to go in "about:config" and set
"network.http.spdy.enabled" to true. The
Roy Smith panix.com> writes:
>
> What's the smallest/cheapest/lowest-power hardware platform I can run
> Python on today? I'm looking for something to use as a hardware
> controller in a battery-powered device and want to avoid writing in C
> for this project.
It depends *which* Python. Comp
Hi Stefan
On Mon, 29 Jun 2020 15:27:01 +0200
Stefan Krah wrote:
> Hi,
>
> I've released mpdecimal-2.5.0:
>
>http://www.bytereef.org/mpdecimal/index.html
>
> 15417edc8e12a57d1d9d75fa7e3f22b158a3b98f44db9d694cfd2acde8dfa0ca
> mpdecimal-2.5.0.tar.gz
>
> Starting with Python 3.9, this ver
Hi,
I've been looking at writing parameterized metaclasses and here are the
two solutions I've come to:
(my goal was to build a way to automatically add a hash function that
would take into account a selected list of object attributes)
1. all-in-one metametaclass:
class Autohash2(type):
"""
Zero Piraeus etiol.net> writes:
>
> I don't believe that killfiles are a sufficient response in this
> situation.
>
> I can, of course, stop Nikos' posts reaching me, and without too much
> hassle also stop replies to his posts reaching me. He would, however,
> continue to pollute the list in pu
Hello,
As you may know, pathlib has recently been accepted for inclusion into
the Python 3.4 standard library. You can view the new module's
documentation here: http://docs.python.org/dev/library/pathlib.html
As part of the inclusion process, many API changes were done to the
original pathlib A
Steven D'Aprano pearwood.info> writes:
>
> I expect that as excuses for not migrating get fewer, and the deadline for
> Python 2.7 end-of-life starts to loom closer, more and more haters^W
> Concerned People will whine about the lack of version 2.8 and ask for
> *somebody else* to fork Python.
>
Hi,
Robin Becker reportlab.com> writes:
>
> For fairly sensible reasons we changed the internal default to use unicode
> rather than bytes. After doing all that and making the tests compatible
etc etc
> I have a version which runs in both and passes all its tests. However, for
> whatever rea
On Sun, 05 Jan 2014 08:22:38 -0500
Ned Batchelder wrote:
> On 1/5/14 8:14 AM, Mark Lawrence wrote:
> > http://lucumr.pocoo.org/2014/1/5/unicode-in-2-and-3/
> >
> > Please don't shoot the messenger :)
> >
>
> With all of the talk about py 2 vs. py3 these days, this is the blog
> post that I think
Ned Batchelder nedbatchelder.com> writes:
>
> You can look through his problems and decide that he's "wrong," or that
> he's "ranting," but that doesn't change the fact that Python 3 is
> encountering friction. What happens when a significant fraction of your
> customers are "wrong"?
Well, y
Chris Angelico gmail.com> writes:
>
> On Tue, Jan 7, 2014 at 3:29 AM, Antoine Pitrou pitrou.net>
wrote:
> > People don't use? According to available figures, there are more
downloads of
> > Python 3 than downloads of Python 2 (Windows installers, mostly):
>
Ned Batchelder nedbatchelder.com> writes:
>
>
> I never said they were the whole community, of course. But they are not
> outliers either. By your own statistics above, 23% of respondents think
> Python 3 was a mistake. Armin and Kenneth are just two very visible
> people.
Indeed, they are
Mark Lawrence yahoo.co.uk> writes:
> [...]
>
> And as I started this thread, I'll say what I please, throwing my toys
> out of my pram in just the same way that your pal Armin is currently doing.
I'll join Ned here: please stop it. You are doing a disservice to
everyone.
Thanks in advance
An
Terry Reedy udel.edu> writes:
>
> On 1/6/2014 11:29 AM, Antoine Pitrou wrote:
>
> > People don't use? According to available figures, there are more
downloads of
> > Python 3 than downloads of Python 2 (Windows installers, mostly):
> > http://www.python.org/we
Hi,
Mark Summerfield qtrac.plus.com> writes:
>
> My guess is that on Debian, the packagers install a full SQLite 3 and the
Python package uses that. But on
> Windows I think the Python packagers bundle their own SQLite (quite
rightly since it might not already be installed).
>
> I'd like the W
Hi Tom,
Tom Kent gmail.com> writes:
>
> I'm getting an error output when I call the C-API's Py_Finalize() from a
different C-thread than I made a
> python call on.
Can you please post a bug on https://bugs.python.org ?
Be sure to upload your example there.
Thank you
Antoine.
--
https://ma
Chris Withers simplistix.co.uk> writes:
>
> The protocols are all financial (do we really not have a pure-python FIX
> library?!) but none are likely to have existing python implementations.
If you are mostly writing protocol implementations (aka parsers and
serializers), then you should consid
Sturla Molden gmail.com> writes:
>
> Chris Withers simplistix.co.uk> wrote:
> > Hi All,
> >
> > I see python now has a plethora of async frameworks and I need to try
> > and pick one to use from:
> >
> > - asyncio/tulip
> > - tornado
> > - twisted
>
> I'd go for using iocp, epoll and kqueue/
Sturla Molden gmail.com> writes:
>
> Antoine Pitrou pitrou.net> wrote:
>
> > Yes, why use a library when you can rewrite it all yourself?
>
> This assumes something equivalent to the library will have to be written.
> But if it can be replaced with somethin
Chris Angelico gmail.com> writes:
>
> It's not strictly an implementation detail, beyond that there are
> certain optimizations. For instance...
>
> > For CPython 3.4 I guess strings and other atomic types such as ints are
> > not, as well as raw object() instances. Custom class instances on t
Hi,
Felix Yan gmail.com> writes:
>
> A minimized snippet to reproduce:
>
> #!/usr/bin/python
> import threading
> def stale():
> import time
> time.sleep(1000)
> t = threading.Thread(target=stale)
> t.start()
> t._stop()
>
> This works correctly with Python 3.3, the program exits imme
Hello,
I am announcing the release of pathlib 1.0. This version brings pathlib
up to date with the official Python 3.4 release, and also fixes a couple of
2.7-specific issues. Detailed changelog can be found further below.
In the future, I expect the standalone (PyPI) version of pathlib to re
Oh, and of course it is published on PyPI:
https://pypi.python.org/pypi/pathlib/
Regards
Antoine.
--
https://mail.python.org/mailman/listinfo/python-list
Grant Edwards invalid.invalid> writes:
>
> Experiments show that when calling ssl.wrap_socket() I have to specify
> ssl_version=PROTOCOL_TLSv1 to avoid the above error.
>
> How do I tell imaplib to use TLS1 instead of SSL3?
Use Python 3 and pass the ssl_context parameter to IMAP_SSL:
https://do
Terry Reedy udel.edu> writes:
>
> On 5/13/2014 8:53 PM, Ethan Furman wrote:
> > On 05/13/2014 05:10 PM, Steven D'Aprano wrote:
> >> On Tue, 13 May 2014 10:08:42 -0600, Ian Kelly wrote:
> >>
> >>> Because Python 3 presents stdin and stdout as text streams however, it
> >>> makes them more difficul
Nobody nowhere.com> writes:
>
> On Tue, 13 Aug 2013 16:10:41 -0700, Jack Bates wrote:
>
> > Is there anything like os.pipe() where you can read/write both ends?
>
> There's socket.socketpair(), but it's only available on Unix.
>
> Windows doesn't have AF_UNIX sockets, and anonymous pipes (like
Jack Bates nottheoilrig.com> writes:
> >
> > An alternative is to use multiprocessing.Pipe():
> > http://docs.python.org/3.3/library/multiprocessing.html#multiprocessing.Pipe
> >
> > In any case, Python doesn't lack facilities for doing what you want.
>
> Thank you for your help, I need to sati
Le Mon, 9 Sep 2013 08:16:06 -0400,
Brett Cannon a écrit :
> On Mon, Sep 9, 2013 at 8:02 AM, Larry Hastings
> wrote:
>
> >
> > On behalf of the Python development team, I'm chuffed to announce
> > the second alpha release of Python 3.4.
> >
> > This is a preview release, and its use is not recomm
Le Mon, 9 Sep 2013 14:30:50 +0200,
Victor Stinner a écrit :
> 2013/9/9 Larry Hastings :
> > Python 3.4 includes a range of improvements of the 3.x series,
> > including hundreds of small improvements and bug fixes. Major new
> > features and changes in the 3.4 release series so far include:
> >
>
Hello,
I'm pleased to announce the first release of Obelus, a MIT-licensed
library to interact with Asterisk using the AMI and AGI protocols.
This is version 0.1, and as such some APIs are a bit draftish and not
guaranteed to be stable accross future releases. Also, documentation is
far from ex
Steven D'Aprano pearwood.info> writes:
>
> I don't consider either of these solutions to be satisfactory. If you
> agree, I urge you to try it out for yourself, and then leave a comment on
> the bug tracker asking for tab completion to still insert tabs at the
> beginning of the line:
Such a
Philip Herron googlemail.com> writes:
>
> Its interesting a few things come up what about:
>
> exec and eval. I didn't really have a good answer for this at my talk at
PYCon IE 2013 but i am going to say no. I am
> not going to implement these. Partly because eval and exec at least to me
are mos
Steven D'Aprano pearwood.info> writes:
>
> On Tue, 22 Oct 2013 08:55:15 +, Antoine Pitrou wrote:
>
> > If you don't implement exec() and eval() then people won't be able to
> > use namedtuples, which are a common datatype factory.
>
> Philip
> gmail.com> writes:
>
> I am starting to have doubts as to whether Python 3.x will ever be
actually adopted by the Python community at
> large as their standard.
We're planning to start the switch on 25th December 2013, 14h UTC.
It should be finished at most 48 hours later. You should expect so
Steven D'Aprano pearwood.info> writes:
>
> On Fri, 25 Oct 2013 21:36:42 +0100, Mark Lawrence wrote:
>
> > Mind you, the thought of a bot with a Ph.D. is mind boggling.
>
> You can buy degrees on the Internet quite cheaply:
>
> http://en.wikipedia.org/wiki/List_of_animals_with_fraudulent_diplom
Hello,
I am announcing the release of pathlib 1.0.1. This version makes pathlib
Python 2.6-compatible. Note that 2.6 compatibility may not have been as
well tested as more recent Python versions (especially on non-Unix
platforms).
As a reminder, the standalone (PyPI) version of pathlib will no
Hi,
ISE Development gmail.com> writes:
> 'code' object 'function' object
>
> co_name: test __qualname__: test
> co_name: T__qualname__: T
> co_name: method __qualname__: test..T.method
>
> The second call corresponds to th
kjs riseup.net> writes:
>
> I have come to believe that the growing number of weakrefs is slowing
> down execution. Is my analysis misguided? How can I introspect further?
> If the slowdown can be attributed to weakref escalation, what are some
> next steps?
The way to analyze this is to build s
Hi,
Chris Angelico gmail.com> writes:
>
> On Tue, Sep 9, 2014 at 5:04 AM, Travis Griggs
gmail.com> wrote:
> > Does anyone have experience with using newer versions of python debian
packages (in particular, python3
> and python3-bson-ext from ‘testing’) on older stable versions (‘wheezy’ in
thi
Hello,
Croepha gmail.com> writes:
>
> Question:
>
> Does python in general terms (apart from extensions or gc manipulation),
exhibit a "high water" type leak of allocated memory in recent python
versions (2.7+)?
It is not a leak. It is a quite common pattern of memory fragmentation.
The artic
Christian Heimes python.org> writes:
>
> The article doesn't state if the writer is referring to virtual memory
> or resident set size.
Actually the article mentions the following recipe:
resource.getrusage(resource.RUSAGE_SELF).ru_maxrss
which means the author is probably looking at residen
Hello,
Sophie Sperner gmail.com> writes:
>
> Let me ask here please. I'm a first-year PhD student in Ireland. My
> background is in mathematics, though I'm going to stream my career
> into programming with Python, Java and C++ languages. I have some good
> experience with C++ what allowed me to
W. Martin Borgert debian.org> writes:
>
> When I add an ssl_version argument to the call to
> ssl.wrap_socket() in imaplib.IMAP4_SSL.open(), I can connect to
> the Exchange server without problems:
>
> self.sslobj = ssl.wrap_socket(self.sock, self.keyfile, self.certfile,
>
Steven D'Aprano pearwood.info> writes:
>
> It is valuable to contrast and compare the PHP and Python docs:
>
> http://php.net/manual/en/index.php
> http://www.python.org/doc/
I suppose you should compare it with http://docs.python.org/3/ instead.
> There's no doubt that one of PHP's strengths,
Mitya Sirenef lightbird.net> writes:
> I think the issue with python documentation is that it ignores the 95/5
> rule: 95% of people who land on a module's page are only looking for 5%
> of its information.
The 95/5 rule is generally a fallacy which ignores that the 5% which the
readers are expec
Jens Thoms Toerring toerring.de> writes:
>
> Paul Rubin nospam.invalid> wrote:
> > jt toerring.de (Jens Thoms Toerring) writes:
> > > in garbled output (i.e. having some output from A inside a
> > > line written by B or vice versae) because the "main thread" or
>
> > Yes they do get garbled li
Steven D'Aprano pearwood.info> writes:
>
> On Wed, 27 Feb 2013 13:26:18 +, Antoine Pitrou wrote:
>
> > For the record, binary files are thread-safe in Python 3, but text files
> > are not.
>
> Where is this documented please?
In the documentation, of c
Steven D'Aprano pearwood.info> writes:
>
> I just quit an interactive session using Python 2.7 on Linux. It took in
> excess of twelve minutes to exit, with the load average going well past 9
> for much of that time.
>
> I think the reason it took so long was that Python was garbage-collecting
W. Martin Borgert debian.org> writes:
> >
> > There is already the ssl_context option for that:
> > http://docs.python.org/3.3/library/imaplib.html#imaplib.IMAP4_SSL
>
> Many thanks! Two more questions:
>
> 1. Is there any plan to backport this Python >= 3.3 feature to
> Python 2?
No, we
Grant Edwards invalid.invalid> writes:
>
> > I assume that the memory used by the Python process will be reclaimed
> > by the operating system, but other resources such as opened files may
> > not be.
>
> All open files (including sockets, pipes, serial ports, etc) will be
> flushed (from an OS
pathlib 0.8 has been released at https://pypi.python.org/pypi/pathlib/
Changes
---
- Add PurePath.name and PurePath.anchor.
- Add Path.owner and Path.group.
- Add Path.replace().
- Add Path.as_uri().
- Issue #10: when creating a file with Path.open(), don't set the executable
bit.
- Issue
Dave Angel davea.name> writes:
>
> Note he didn't say the python buffers would be flushed. It's the OS
> buffers that are flushed.
Now please read my message again. The OS buffers are *not* flushed according
to POSIX.
--
http://mail.python.org/mailman/listinfo/python-list
Nick Gnedin gmail.com> writes:
> I expect it to behave the same way as if I was running it as a
> standalone program. On Windows this is indeed the case, but on my Linux
> box (Python 3.3.1 (default, Apr 8 2013, 22:33:31) [GCC 4.1.2 20080704
> (Red Hat 4.1.2-51)]) I get a different behavior in
rusi gmail.com> writes:
>
> Hmm I see some cut-paste goofup on my part.
> I was meaning to juxtapose this thread where we put up with inordinate
> amount of nonsense from OP
> along with the recent thread in which a newcomer who thinks he has
> found a bug in pdb is made fun of.
>
> Then thought
rusi gmail.com> writes:
>
> Just what I said: ecosystem matters. We may or may not argue about
> "more than language", but it surely matters. Some examples:
>
> 1. In the link that Roderick originally posted there is a long comment
> that adds perl to the languages the author discussed. As a la
Hi Vinay,
> I would welcome your views on whether the LoggerAdapter class is
> suitable for adding to the logging package in Python 2.6/3.0. Does it
> do what might reasonably be expected out of the box?
I think it's quite suited to the problem, yes.
One question : why does the exception() meth
Le Tue, 01 Dec 2009 06:03:36 -0800, Mark Summerfield a écrit :
> I've produced a 4 page document that provides a very concise summary of
> Python 2<->3 differences plus the most commonly used new Python 3
> features. It is aimed at existing Python 2 programmers who want to start
> writing Python 3
Hello,
> I've looked at the web servers that come bundled with the Python
> standard library[1] and they are too slow.
Apparently you have debugged your speed issue so I suppose you don't have
performance problems anymore. Do note, however, that Python is generally
not as fast as C -- especial
Le Wed, 09 Dec 2009 06:58:11 -0800, Valery a écrit :
>
> I have a huge data structure that takes >50% of RAM. My goal is to have
> many computational threads (or processes) that can have an efficient
> read-access to the huge and complex data structure.
>
> "Efficient" in particular means "withou
Le Fri, 11 Dec 2009 19:40:21 +0100, Irmen de Jong a écrit :
>
> I don't think that number is fair for Python. I think a well written
> Python web server can perform in the same ballpark as most mainstream
> web servers written in C. Especially Apache, which really isn't a top
> performer. And I'm
Le Mon, 14 Dec 2009 15:21:09 +, exarkun a écrit :
>
> I'm asking about why the behavior of a StopIteration exception being
> handled from the `expression` of a generator expression to mean "stop
> the loop" is accepted by "the devs" as acceptable.
It's not "accepted as acceptable", it's just
Le Tue, 15 Dec 2009 08:08:01 -0800, Infinity77 a écrit :
>
> When building C extensions In Python 2.X, there was a magical
> PyMethod_GET_CLASS implemented like this:
>
> #define PyMethod_GET_CLASS(meth) \
> (((PyMethodObject *)meth) -> im_class)
>
> It looks like Python 3 has wiped ou
Hello,
Le Sun, 20 Dec 2009 17:08:33 +0100, Johannes Bauer a écrit :
>
> #!/usr/bin/python3
> import gzip
> x = gzip.open("testdatei", "wb")
> x.write("ä")
The bug here is that you are trying to write an unicode text string ("ä")
to a binary file (a gzip file). This bug has been fixed now; in th
Hello,
> But the io.IOBase.close() method document says: """Once the file is
> closed, any operation on the file (e.g. reading or writing) will raise
> an IOError .""" which unlike the
> class doc is not conditional about the behavior...
>
> Experimentation (see below) show that I get a ValueErr
Le Fri, 25 Dec 2009 10:38:19 -0800, Aahz a écrit :
> In article ,
> Antoine Pitrou wrote:
>>
>>Apparently you have debugged your speed issue so I suppose you don't
>>have performance problems anymore. Do note, however, that Python is
>>generally not as fast as
Le Tue, 29 Dec 2009 16:09:58 +0100, Roald de Vries a écrit :
> Dear all,
>
> Is it possible for a Python script to detect whether it is running
> interactively? It can be useful for e.g. defining functions that are
> only useful in interactive mode.
Try the isatty() method (*) on e.g. stdin:
$
Le Wed, 30 Dec 2009 03:33:18 +0100, Roald de Vries a écrit :
>
> I'm using a database, and want to use python interactively to manipulate
> it. On the other hand, I also want to be able to use it non-
> interactively. In that case, it would be a waste of CPU to load the
> function/class definition
> 39123 function calls (38988 primitive calls) in 6.004 CPU
> seconds
>
[...]
>
> It's not burning CPU time in the main thread (profiling with cProfile
> indicated smth similar to the above), it's not burning it in the
> individual worker threads
What do you mean, it's not b
Le Mon, 04 Jan 2010 08:09:56 -0800, Brian D a écrit :
>
> What I've seen is that flush() alone produces a complete log when the
> loop finishes. When I used fsync(), I lost all of the write entries
> except the first, along with odd error trap and the last entry.
Perhaps you are writing to the fi
Le Tue, 05 Jan 2010 15:04:56 +0100, Jens Müller a écrit :
>
> Is a list thrad-safe or do I need to lock when adding the results of my
> worker threads to a list? The order of the elements in the list does not
> matter.
The built-in list type is thread-safe, but is doesn't provide the waiting
fea
>> Couldn't you just use the built-in enumerate() to replace the whole
>> thing?
>
> Because that would involve, like, reading an entire Python book just to
> locate that method?
Actually, no. It just involves reading one of the most important pages in
the documentation, the page which describ
> The point: int('') or int('something') both throw an error. In general,
> this is hand-holding, but in specific I don't think the "rich and
> structured" documentation will cover how to beat a 0 out of it in less
> than 3 lines.
Because it's a bad idea to do so and Python doesn't encourage such
Le Wed, 06 Jan 2010 12:03:36 +0100, wiso a écrit :
> from time import time
> t = time(); xxx=map(to_dict,l); print time() - t # 0.5 t = time();
> xxx=map(to_if,l); print time() - t # 1.0
Don't define your own function just for attribute access. Instead just
write:
xxx = map(month_dict.__geti
Le Wed, 06 Jan 2010 12:12:08 -0800, Phlip a écrit :
>
> And I, not my language, should pick and chose how to be rigorous. The
> language should not make the decision for me.
And that's why there is the "try: ... except: ..." construct.
Your rant is getting tiring.
--
http://mail.python.org/mai
Le Fri, 08 Jan 2010 08:39:17 -0800, casevh a écrit :
>
> Thanks for the reply. I realized that I missed one detail. The objects
> are created by the extension but are deleted by Python. I don't know
> that an object is no longer needed until its tp_dealloc is called. At
> that point, its reference
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